Cancelling kiocbs requires adding them to a per kioctx linked list,
which is one of the few things we need to take the kioctx lock for in
the fast path. But most kiocbs can't be cancelled - so if we just do
this lazily, we can avoid quite a bit of locking overhead.
While we're at it, instead of using a flag bit switch to using ki_cancel
itself to indicate that a kiocb has been cancelled/completed. This lets
us get rid of ki_flags entirely.
[akpm@linux-foundation.org: remove buggy BUG()]
Signed-off-by: Kent Overstreet <koverstreet@google.com>
Cc: Zach Brown <zab@redhat.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Asai Thambi S P <asamymuthupa@micron.com>
Cc: Selvan Mani <smani@micron.com>
Cc: Sam Bradshaw <sbradshaw@micron.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Reviewed-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
These are handy for measuring the cost of the aio infrastructure with
operations that do very little and complete immediately.
Signed-off-by: Zach Brown <zab@redhat.com>
Signed-off-by: Kent Overstreet <koverstreet@google.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Asai Thambi S P <asamymuthupa@micron.com>
Cc: Selvan Mani <smani@micron.com>
Cc: Sam Bradshaw <sbradshaw@micron.com>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Reviewed-by: "Theodore Ts'o" <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This removes the only in-tree user of aio retry. This will let us
remove the retry code from the aio core.
Removing retry is relatively easy as the USB gadget wasn't using it to
retry IOs at all. It always fully submitted the IO in the context of
the initial io_submit() call. It only used the AIO retry facility to
get the submitter's mm context for copying the result of a read back to
user space. This is easy to implement with use_mm() and a work struct,
much like kvm does with async_pf_execute() for get_user_pages().
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Zach Brown <zab@redhat.com>
Signed-off-by: Kent Overstreet <koverstreet@google.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Asai Thambi S P <asamymuthupa@micron.com>
Cc: Selvan Mani <smani@micron.com>
Cc: Sam Bradshaw <sbradshaw@micron.com>
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use preferable function name which implies using a pseudo-random number
generator.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Register layout is the same, so just add the variant to the appropriate
places.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
commit v3.9-rc1-53-g6d0cda9 "lguest: cache last cpu we ran on." missed
one case, which causes a triple fault. The guest calls guest_set_pgd()
on the top page, and we carefully remap the Switcher text page. But
we didn't reset last_host_cpu, so map_switcher_in_guest() thinks
the guest's regs and IDT/GDT etc are already mapped.
Reported-by: Paul Bolle <pebolle@tiscali.nl>
Tested-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
The support for PB1100, PB1500, and PB1550 got merged into the code for
DB1000 and DB1550 code in v3.7. When that was done the three related
Kconfig symbols were dropped. But not all related Kconfig macros were
removed. Do so now.
Note that the PB1100 code in the Au1100 LCD driver is removed entirely
and not converted to use its current Kconfig macro. That is done because
the macros it uses (PB1100_G_CONTROL, PB1100_G_CONTROL_BL, and
PB1100_G_CONTROL_VDD) are never defined. Actually only one of these was
ever defined (PB1100_G_CONTROL) but that define was removed in v2.6.34.
So, as far as I can tell, this code could have never compiled.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Patchwork: http://patchwork.linux-mips.org/patch/5040/
Acked-by: John Crispin <blogic@openwrt.org>
All the header file does is provide the internal structure of clk,
which shouldn't be used by anyone except clk.c itself anyway.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Patchwork: http://patchwork.linux-mips.org/patch/5055/
Acked-by: John Crispin <blogic@openwrt.org>
Pull more vfs updates from Al Viro:
"A couple of fixes + getting rid of __blkdev_put() return value"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
proc: Use PDE attribute setting accessor functions
make blkdev_put() return void
block_device_operations->release() should return void
mtd_blktrans_ops->release() should return void
hfs: SMP race on directory close()
Pull parisc updates from Helge Deller:
"Main fixes and updates in this patch series are:
- we faced kernel stack corruptions because of multiple delivery of
interrupts
- added kernel stack overflow checks
- added possibility to use dedicated stacks for irq processing
- initial support for page sizes > 4k
- more information in /proc/interrupts (e.g. TLB flushes and number
of IPI calls)
- documented how the parisc gateway page works
- and of course quite some other smaller cleanups and fixes."
* 'parisc-for-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: tlb flush counting fix for SMP and UP
parisc: more irq statistics in /proc/interrupts
parisc: implement irq stacks
parisc: add kernel stack overflow check
parisc: only re-enable interrupts if we need to schedule or deliver signals when returning to userspace
parisc: implement atomic64_dec_if_positive()
parisc: use long branch in fork_like macro
parisc: fix NATIVE set up in build
parisc: document the parisc gateway page
parisc: fix partly 16/64k PAGE_SIZE boot
parisc: Provide default implementation for dma_{alloc, free}_attrs
parisc: fix whitespace errors in arch/parisc/kernel/traps.c
parisc: remove the second argument of kmap_atomic
- Some refactoring, cleanups and small improvements
from Sjur Brændeland. The improvements are mainly
about better supporting varios virtio properties
(such as virtio's config space, status and features).
I now see that I messed up while commiting one of Sjur's
patches and erroneously put myself as the author, as well
as letting a nasty typo sneak in. I will not fix this in
order to avoid rebasing the patches. Sjur - sorry!
- A new remoteproc driver for OMAP-L13x (technically a
DaVinci platform) from Robert Tivy.
- Extend OMAP support to OMAP5 as well, from Vincent Stehlé.
- Fix Kconfig VIRTUALIZATION dependency, from Suman Anna
(a non-critical fix which arrived late during the rc cycle).
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Merge tag 'remoteproc-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc
Pull remoteproc update from Ohad Ben-Cohen:
- Some refactoring, cleanups and small improvements from Sjur
Brændeland. The improvements are mainly about better supporting
varios virtio properties (such as virtio's config space, status and
features). I now see that I messed up while commiting one of Sjur's
patches and erroneously put myself as the author, as well as letting
a nasty typo sneak in. I will not fix this in order to avoid
rebasing the patches. Sjur - sorry!
- A new remoteproc driver for OMAP-L13x (technically a DaVinci
platform) from Robert Tivy.
- Extend OMAP support to OMAP5 as well, from Vincent Stehlé.
- Fix Kconfig VIRTUALIZATION dependency, from Suman Anna (a
non-critical fix which arrived late during the rc cycle).
* tag 'remoteproc-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc:
remoteproc: fix kconfig dependencies for VIRTIO
remoteproc/davinci: add a remoteproc driver for OMAP-L13x DSP
remoteproc: support default firmware name in rproc_alloc()
remoteproc/omap: support OMAP5 too
remoteproc: set vring addresses in resource table
remoteproc: support virtio config space.
remoteproc: perserve resource table data
remoteproc: calculate max_notifyid by counting vrings
remoteproc: code cleanup of resource parsing
remoteproc: parse STE-firmware and find resource table address
remoteproc: add find_loaded_rsc_table firmware ops
remoteproc: refactor rproc_elf_find_rsc_table()
- Make rpmsg process all pending messages instead of just
one, from Robert Tivy
- Fix Kconfig dependency on VIRTUALIZATION, from Suman.
Note: this was submitted late during the 3.9 rc cycle and it
seemed appropriate to wait with it for the merge window.
- Belated addition of an rpmsg entry to the MAINTAINERS file.
People seem to look for this.
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Merge tag 'rpmsg-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/rpmsg
Pull rpmsg changes from Ohad Ben-Cohen:
"A small pull request consisting of:
- Make rpmsg process all pending messages instead of just one, from
Robert Tivy
- Fix Kconfig dependency on VIRTUALIZATION, from Suman.
Note: this was submitted late during the 3.9 rc cycle and it seemed
appropriate to wait with it for the merge window.
- Belated addition of an rpmsg entry to the MAINTAINERS file. People
seem to look for this"
* tag 'rpmsg-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/rpmsg:
rpmsg: fix kconfig dependencies for VIRTIO
MAINTAINERS: add rpmsg entry
rpmsg: process _all_ pending messages in rpmsg_recv_done
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Merge tag 'hwspinlock-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock
Pullhwspinlock update from Ohad Ben-Cohen:
"A single patch from Vincent extending OMAP's hwspinlock support to
OMAP5"
* tag 'hwspinlock-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock:
hwspinlock/omap: support OMAP5 as well
Commit 4f535093cf "PCI: Put pci_dev in device tree as early as possible"
moved final fixups from pci_bus_add_device() to pci_device_add(). But
pci_device_add() happens before resource assignment, so BARs may not be
valid yet.
Typical flow for hot-add:
pciehp_configure_device
pci_scan_slot
pci_scan_single_device
pci_device_add
pci_fixup_device(pci_fixup_final, dev) # previous location
# resource assignment happens here
pci_bus_add_devices
pci_bus_add_device
pci_fixup_device(pci_fixup_final, dev) # new location
[bhelgaas: changelog, move fixups to pci_bus_add_device()]
Reference: https://lkml.kernel.org/r/20130415182614.GB9224@xanatos
Reported-by: David Bulkow <David.Bulkow@stratus.com>
Tested-by: David Bulkow <David.Bulkow@stratus.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org # v3.9+
Similar to
commit 88afe715dd
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sun Dec 16 12:15:41 2012 +0000
drm/i915: Clear the stolen fb before enabling
but on the resume path.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=57191
Reported-and-tested-by: Nikolay Amiantov <nikoamia@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org (3.9 only)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
These continue the multiplatform support for exynos, adding support
for building most of the essential drivers (clocksource, clk, irqchip)
when combined with other platforms. As a result, it should become
really easy to add full multiplatform exynos support in 3.11, although
we don't yet enable it for 3.10.
The changes were not included in the earlier multiplatform series
in order to avoid clashes with the other Exynos updates.
This also includes work from Tomasz Figa to fix the pwm clocksource
code on Exynos, which is not strictly required for multiplatform,
but related to the other patches in this set and needed as a bug
fix for at least one board.
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Merge tag 'multiplatform-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull late ARM Exynos multiplatform changes from Arnd Bergmann:
"These continue the multiplatform support for exynos, adding support
for building most of the essential drivers (clocksource, clk, irqchip)
when combined with other platforms. As a result, it should become
really easy to add full multiplatform exynos support in 3.11, although
we don't yet enable it for 3.10.
The changes were not included in the earlier multiplatform series in
order to avoid clashes with the other Exynos updates.
This also includes work from Tomasz Figa to fix the pwm clocksource
code on Exynos, which is not strictly required for multiplatform, but
related to the other patches in this set and needed as a bug fix for
at least one board."
* tag 'multiplatform-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (22 commits)
ARM: dts: exynops4210: really add universal_c210 dts
ARM: dts: exynos4210: Add basic dts file for universal_c210 board
ARM: dts: exynos4: Add node for PWM device
ARM: SAMSUNG: Do not register legacy timer interrupts on Exynos
clocksource: samsung_pwm_timer: Work around rounding errors in clockevents core
clocksource: samsung_pwm_timer: Correct programming of clock events
clocksource: samsung_pwm_timer: Use proper clockevents max_delta
clocksource: samsung_pwm_timer: Add support for non-DT platforms
clocksource: samsung_pwm_timer: Drop unused samsung_pwm struct
clocksource: samsung_pwm_timer: Keep all driver data in a structure
clocksource: samsung_pwm_timer: Make PWM spinlock global
clocksource: samsung_pwm_timer: Let platforms select the driver
Documentation: Add device tree bindings for Samsung PWM timers
clocksource: add samsung pwm timer driver
irqchip: exynos: look up irq using irq_find_mapping
irqchip: exynos: pass irq_base from platform
irqchip: exynos: localize irq lookup for ATAGS
irqchip: exynos: allocate combiner_data dynamically
irqchip: exynos: pass max combiner number to combiner_init
ARM: exynos: add missing properties for combiner IRQs
...
These are cleanups and smaller changes that either depend on earlier
feature branches or came in late during the development cycle.
We normally try to get all cleanups early, so these are the exceptions:
- A follow-up on the clocksource reworks, hopefully the last time
we need to merge clocksource subsystem changes through arm-soc.
A first set of patches was part of the original 3.10 arm-soc cleanup
series because of interdependencies with timer drivers now moved out
of arch/arm.
- Migrating the SPEAr13xx platform away from using auxdata for DMA
channel descriptions towards using information in device tree,
based on the earlier SPEAr multiplatform series
- A few follow-ups on the Atmel SAMA5 support and other changes
for Atmel at91 based on the larger at91 reworks.
- Moving the armada irqchip implementation to drivers/irqchip
- Several OMAP cleanups following up on the larger series already
merged in 3.10.
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Merge tag 'cleanup-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late cleanups from Arnd Bergmann:
"These are cleanups and smaller changes that either depend on earlier
feature branches or came in late during the development cycle. We
normally try to get all cleanups early, so these are the exceptions:
- A follow-up on the clocksource reworks, hopefully the last time we
need to merge clocksource subsystem changes through arm-soc.
A first set of patches was part of the original 3.10 arm-soc
cleanup series because of interdependencies with timer drivers now
moved out of arch/arm.
- Migrating the SPEAr13xx platform away from using auxdata for DMA
channel descriptions towards using information in device tree,
based on the earlier SPEAr multiplatform series
- A few follow-ups on the Atmel SAMA5 support and other changes for
Atmel at91 based on the larger at91 reworks.
- Moving the armada irqchip implementation to drivers/irqchip
- Several OMAP cleanups following up on the larger series already
merged in 3.10."
* tag 'cleanup-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (50 commits)
ARM: OMAP4: change the device names in usb_bind_phy
ARM: OMAP2+: Fix mismerge for timer.c between ff931c82 and da4a686a
ARM: SPEAr: conditionalize SMP code
ARM: arch_timer: Silence debug preempt warnings
ARM: OMAP: remove unused variable
serial: amba-pl011: fix !CONFIG_DMA_ENGINE case
ata: arasan: remove the need for platform_data
ARM: at91/sama5d34ek.dts: remove not needed compatibility string
ARM: at91: dts: add MCI DMA support
ARM: at91: dts: add i2c dma support
ARM: at91: dts: set #dma-cells to the correct value
ARM: at91: suspend both memory controllers on at91sam9263
irqchip: armada-370-xp: slightly cleanup irq controller driver
irqchip: armada-370-xp: move IRQ handler to avoid forward declaration
irqchip: move IRQ driver for Armada 370/XP
ARM: mvebu: move L2 cache initialization in init_early()
devtree: add binding documentation for sp804
ARM: integrator-cp: convert use CLKSRC_OF for timer init
ARM: versatile: use OF init for sp804 timer
ARM: versatile: add versatile dtbs to dtbs target
...
These are mostly new device tree bindings for existing drivers, as well
as changes to the device tree source files to add support for those
devices, and a couple of new boards, most notably Samsung's Exynos5
based Chromebook.
The changes depend on earlier platform specific updates and touch
the usual platforms: omap, exynos, tegra, mxs, mvebu and davinci.
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Merge tag 'dt-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree updates (part 2) from Arnd Bergmann:
"These are mostly new device tree bindings for existing drivers, as
well as changes to the device tree source files to add support for
those devices, and a couple of new boards, most notably Samsung's
Exynos5 based Chromebook.
The changes depend on earlier platform specific updates and touch the
usual platforms: omap, exynos, tegra, mxs, mvebu and davinci."
* tag 'dt-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (169 commits)
ARM: exynos: dts: cros5250: add EC device
ARM: dts: Add sbs-battery for exynos5250-snow
ARM: dts: Add i2c-arbitrator bus for exynos5250-snow
ARM: dts: add mshc controller node for Exynos4x12 SoCs
ARM: dts: Add chip-id controller node on Exynos4/5 SoC
ARM: EXYNOS: Create virtual I/O mapping for Chip-ID controller using device tree
ARM: davinci: da850-evm: add SPI flash support
ARM: davinci: da850: override SPI DT node device name
ARM: davinci: da850: add SPI1 DT node
spi/davinci: add DT binding documentation
spi/davinci: no wildcards in DT compatible property
ARM: dts: mvebu: Convert mvebu device tree files to 64 bits
ARM: dts: mvebu: introduce internal-regs node
ARM: dts: mvebu: Convert all the mvebu files to use the range property
ARM: dts: mvebu: move all peripherals inside soc
ARM: dts: mvebu: fix cpus section indentation
ARM: davinci: da850: add EHRPWM & ECAP DT node
ARM/dts: OMAP3: fix pinctrl-single configuration
ARM: dts: Add OMAP3430 SDP NOR flash memory binding
ARM: dts: Add NOR flash bindings for OMAP2420 H4
...
This is the third and smallest of the SoC specific updates.
Changes include:
* SMP support for the Xilinx zynq platform
* Smaller imx changes
* LPAE support for mvebu
* Moving the orion5x, kirkwood, dove and mvebu platforms
to a common "mbus" driver for their internal devices.
It would be good to get feedback on the location of the "mbus"
driver. Since this is used on multiple platforms may potentially
get shared with other architectures (powerpc and arm64), it
was moved to drivers/bus/. We expect other similar drivers to
get moved to the same place in order to avoid creating more
top-level directories under drivers/ or cluttering up the
messy drivers/misc/ even more.
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Merge tag 'soc-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates (part 3) from Arnd Bergmann:
"This is the third and smallest of the SoC specific updates. Changes
include:
- SMP support for the Xilinx zynq platform
- Smaller imx changes
- LPAE support for mvebu
- Moving the orion5x, kirkwood, dove and mvebu platforms to a common
"mbus" driver for their internal devices.
It would be good to get feedback on the location of the "mbus" driver.
Since this is used on multiple platforms may potentially get shared
with other architectures (powerpc and arm64), it was moved to
drivers/bus/. We expect other similar drivers to get moved to the
same place in order to avoid creating more top-level directories under
drivers/ or cluttering up the messy drivers/misc/ even more."
* tag 'soc-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (50 commits)
ARM: imx: reset_controller may be disabled
ARM: mvebu: Align the internal registers virtual base to support LPAE
ARM: mvebu: Limit the DMA zone when LPAE is selected
arm: plat-orion: remove addr-map code
arm: mach-mv78xx0: convert to use the mvebu-mbus driver
arm: mach-orion5x: convert to use mvebu-mbus driver
arm: mach-dove: convert to use mvebu-mbus driver
arm: mach-kirkwood: convert to use mvebu-mbus driver
arm: mach-mvebu: convert to use mvebu-mbus driver
ARM i.MX53: set CLK_SET_RATE_PARENT flag on the tve_ext_sel clock
ARM i.MX53: tve_di clock is not part of the CCM, but of TVE
ARM i.MX53: make tve_ext_sel propagate rate change to PLL
ARM i.MX53: Remove unused tve_gate clkdev entry
ARM i.MX5: Remove tve_sel clock from i.MX53 clock tree
ARM: i.MX5: Add PATA and SRTC clocks
ARM: imx: do not bring up unavailable cores
ARM: imx: add initial imx6dl support
ARM: imx1: mm: add call to mxc_device_init
ARM: imx_v4_v5_defconfig: Add CONFIG_GPIO_SYSFS
ARM: imx_v6_v7_defconfig: Select CONFIG_PERF_EVENTS
...
These patches are all for Renesas shmobile, and depend on the earlier
pinctrl updates. Remarkably, this adds support for three new SoCs:
r8a73a4, r8a73a4 and r8a7778. The bulk of the code added for these is
for pinctrl (using the new subsystem) and for clocks (not yet using the
common clock subsystem). The latter will have to get converted in one
of the upcoming releases, but shmobile is not ready for that yet.
The series also contains Renesas shmobile board changes, adding one
board file for each of the three new SoCs. These boards are using a
mix of classic and device-tree based probing, as there is still a lot of
infrastructure in shmobile that has not been converted to DT yet. Once
those are resolved to the degree that no board specific setup code is
needed, they can get folded into the respective SoC setup files.
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Merge tag 'soc-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates (part 2) from Arnd Bergmann:
"These patches are all for Renesas shmobile, and depend on the earlier
pinctrl updates. Remarkably, this adds support for three new SoCs:
r8a73a4, r8a73a4 and r8a7778. The bulk of the code added for these is
for pinctrl (using the new subsystem) and for clocks (not yet using
the common clock subsystem). The latter will have to get converted in
one of the upcoming releases, but shmobile is not ready for that yet.
The series also contains Renesas shmobile board changes, adding one
board file for each of the three new SoCs. These boards are using a
mix of classic and device-tree based probing, as there is still a lot
of infrastructure in shmobile that has not been converted to DT yet.
Once those are resolved to the degree that no board specific setup
code is needed, they can get folded into the respective SoC setup files."
* tag 'soc-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (78 commits)
ARM: shmobile: use r8a7790 timer setup code on Lager
ARM: shmobile: force enable of r8a7790 arch timer
ARM: shmobile: Add second I/O range for r8a7790 PFC
ARM: shmobile: bockw: enable network settings on bootargs
ARM: shmobile: bockw: add SMSC ethernet support
ARM: shmobile: R8A7778: add Ether support
ARM: shmobile: bockw: enable SMSC ethernet on defconfig
ARM: shmobile: r8a7778: add r8a7778_init_irq_extpin()
ARM: shmobile: r8a7778: remove pointless PLATFORM_INFO()
ARM: shmobile: mackerel: clean up MMCIF vs. SDHI1 selection
ARM: shmobile: mackerel: add interrupt names for SDHI0
ARM: shmobile: mackerel: switch SDHI and MMCIF interfaces to slot-gpio
ARM: shmobile: mackerel: remove OCR masks, where regulators are used
ARM: shmobile: mackerel: SDHI resources do not have to be numbered
ARM: shmobile: Initial r8a7790 Lager board support
ARM: shmobile: APE6EVM LAN9220 support
ARM: shmobile: APE6EVM PFC support
ARM: shmobile: APE6EVM base support
ARM: shmobile: kzm9g-reference: add ethernet support
ARM: shmobile: add R-Car M1A Bock-W platform support
...
This fixes some minor issues in the patches that have been merged.
We also finally drop the workaround disabling event_idx
for scsi: it was always questionable, and now we
know it's not needed.
There's also a memory leak fix.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull more vhost fixes from Michael Tsirkin:
"This fixes some minor issues in the patches that have been merged.
We also finally drop the workaround disabling event_idx for scsi: it
was always questionable, and now we know it's not needed.
There's also a memory leak fix"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost-scsi: Enable VIRTIO_RING_F_EVENT_IDX
vhost: drop virtio_net.h dependency
vhost-net: Cleanup vhost_ubuf and vhost_zcopy
vhost: Remove vhost_enable_zcopy in vhost.h
vhost: Remove comments for hdr in vhost.h
vhost: Move VHOST_NET_FEATURES to net.c
vhost-net: Free ubuf when vhost_dev_set_owner fails
vhost: Export vhost_dev_set_owner
This reverts commit 03752f5b7b.
This revert requires a bit of explanation on how I understand things
work. Internally the architects/designers decide how the stolen encoding
works. We put it in a doc. BIOS writers take these docs and implement
it. Driver writers read the doc too, and read the value left by the BIOS
writers, and then we make magic.
The failing here is that in the docs we had[1] contained two different
definitions for this register for Gen7. (We have both a PCI register,
and an MMIO, and each of these were different). At the time [2] of
03752f5, we asked the architects what the correct value should be; but
that doesn't match the reality (BIOS) unfortunately.
So on all machines I can get my hands on, this revert is the right thing
to do. I've also worked with the product group to confirm that they
agree this revert is what we should do. People using HW made my "people"
who both write their own BIOS, and have access to our docs (Apple?).
Investigations are still ongoing about whether we need to add a list
of machines needing special handling, but this patch should be the
right thing for pretty much everyone.
[1] The docs are still wrong on this one. Now instead of two registers with
two definitions, we have one register with BOTH definitions, progress?
[2] The open source PRMs have the "wrong" definitions in chapter Volume
1 part6, section 1.1.12.
This digging was inspired by Paulo.
Cc: Paulo Zanoni <przanoni@gmail.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[danvet: Augment the patch saying that it's still a bit unclear
whether there are any machines out there with "wrong" firmware and
whether we need to add a list to handle them specially.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
A scheduling while atomic bug was introduced recently (by commit
ce43a2168c59: "e1000e: cleanup USLEEP_RANGE checkpatch checks").
Revert the particular instance of usleep_range() which causes the bug.
Reported-by: Maarten Lankhorst <m.b.lankhorst@gmail.com>
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It was disabled as a workaround. Now userspace bits work fine with it.
The broken version was not ever committed to QEMU, I guess the same is
true for nlkt.
So, let's enable it.
Signed-off-by: Asias He <asias@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The value passed is 0 in all but "it can never happen" cases (and those
only in a couple of drivers) *and* it would've been lost on the way
out anyway, even if something tried to pass something meaningful.
Just don't bother.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Pull networking fixes from David Miller:
"Just a small pile of fixes"
1) Fix race conditions in IP fragmentation LRU list handling, from
Konstantin Khlebnikov.
2) vfree() is no longer verboten in interrupts, so deferring is
pointless, from Al Viro.
3) Conversion from mutex to semaphore in netpoll left trylock test
inverted, caught by Dan Carpenter.
4) 3c59x uses wrong base address when releasing regions, from Sergei
Shtylyov.
5) Bounds checking in TIPC from Dan Carpenter.
6) Fastopen cookies should not be expired as aggressively as other TCP
metrics. From Eric Dumazet.
7) Fix retrieval of MAC address in ibmveth, from Ben Herrenschmidt.
8) Don't use "u16" in virtio user headers, from Stephen Hemminger
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
tipc: potential divide by zero in tipc_link_recv_fragment()
tipc: add a bounds check in link_recv_changeover_msg()
net/usb: new driver for RTL8152
3c59x: fix freeing nonexistent resource on driver unload
netpoll: inverted down_trylock() test
rps_dev_flow_table_release(): no need to delay vfree()
fib_trie: no need to delay vfree()
net: frag, fix race conditions in LRU list maintenance
tcp: do not expire TCP fastopen cookies
net/eth/ibmveth: Fixup retrieval of MAC address
virtio: don't expose u16 in userspace api
Pull LED subsystem updates from Bryan Wu:
- move LED trigger drivers into a new directory
- lp55xx common driver updates
- other led drivers updates and bug fixing
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
leds: leds-asic3: switch to using SIMPLE_DEV_PM_OPS
leds: leds-bd2802: add CONFIG_PM_SLEEP to suspend/resume functions
leds: lp55xx: configure the clock detection
leds: lp55xx: use common clock framework when external clock is used
leds: leds-ns2: fix oops at module removal
leds: leds-pwm: Defer led_pwm_set() if PWM can sleep
leds: lp55xx: fix the sysfs read operation
leds: lm355x, lm3642: support camera LED triggers for flash and torch
leds: add camera LED triggers
leds: trigger: use inline functions instead of macros
leds: tca6507: Use of_match_ptr() macro
leds: wm8350: Complain if we fail to reenable DCDC
leds: renesas: set gpio_request_one() flags param correctly
leds: leds-ns2: set devm_gpio_request_one() flags param correctly
leds: leds-lt3593: set devm_gpio_request_one() flags param correctly
leds: leds-bd2802: remove erroneous __exit annotation
leds: atmel-pwm: remove erroneous __exit annotation
leds: move LED trigger drivers into new subdirectory
leds: add new LP5562 LED driver
The usual selection of bug fixes and driver updates for GPIO. Nothing
really stands out except the addition of the GRGPIO driver and some
enhacements to ACPI support
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux
Pull GPIO changes from Grant Likely:
"The usual selection of bug fixes and driver updates for GPIO. Nothing
really stands out except the addition of the GRGPIO driver and some
enhacements to ACPI support"
I'm pulling this despite the earlier mess. Let's hope it compiles these
days.
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux: (46 commits)
gpio: grgpio: Add irq support
gpio: grgpio: Add device driver for GRGPIO cores
gpiolib-acpi: introduce acpi_get_gpio_by_index() helper
GPIO: gpio-generic: remove kfree() from bgpio_remove call
gpio / ACPI: Handle ACPI events in accordance with the spec
gpio: lpc32xx: Fix off-by-one valid range checking for bank
gpio: mcp23s08: convert driver to DT
gpio/omap: force restore if context loss is not detectable
gpio/omap: optimise interrupt service routine
gpio/omap: remove extra context restores in *_runtime_resume()
gpio/omap: free irq domain in probe() failure paths
gpio: gpio-generic: Add 16 and 32 bit big endian byte order support
gpio: samsung: Add terminating entry for exynos_pinctrl_ids
gpio: mvebu: add dbg_show function
MAX7301 GPIO: Do not force SPI speed when using OF Platform
gpio: gpio-tps65910.c: fix checkpatch error
gpio: gpio-timberdale.c: fix checkpatch error
gpio: gpio-tc3589x.c: fix checkpatch errors
gpio: gpio-stp-xway.c: fix checkpatch error
gpio: gpio-sch.c: fix checkpatch error
...
Nothing very exciting this time around. A couple of bug fixes and a lot
of cleanup across the board. The DaVinci 8xx family of SoCs now use the
same driver as the AM33xx family.
Many thanks to Axel Lin and Jingoo Han who have done a great job fixing
various bugs and inconsistencies.
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Merge tag 'for-3.10-rc1' of git://gitorious.org/linux-pwm/linux-pwm
Pull pwm changes from Thierry Reding:
"Nothing very exciting this time around. A couple of bug fixes and a
lot of cleanup across the board. The DaVinci 8xx family of SoCs now
use the same driver as the AM33xx family.
Many thanks to Axel Lin and Jingoo Han who have done a great job
fixing various bugs and inconsistencies."
* tag 'for-3.10-rc1' of git://gitorious.org/linux-pwm/linux-pwm: (27 commits)
pwm: lpc32xx: Don't change PWM_ENABLE bit in lpc32xx_pwm_config
pwm: lpc32xx: Properly set PWM_ENABLE bit in lpc32xx_pwm_[enable|disable]
pwm: Constify OF match tables
pwm: pwm-tiehrpwm: Update device-tree binding document
pwm: pwm-tiecap: Update device-tree binding document
pwm: puv3: Remove unused enabled filed from struct puv3_pwm_chip
pwm: pxa: Remove PWM_ID_BASE macro
pwm: spear: Remove unused *dev from struct spear_pwm_chip
pwm: mxs: Remove unused *dev from struct mxs_pwm_chip
pwm: twl: Return proper error if twl6030_pwm_enable() fails
pwm: pxa: Remove clk_enabled field from struct pxa_pwm_chip
pwm: imx: Remove enabled field from struct imx_chip
pwm: twl: Add .owner to struct pwm_ops
pwm: twl-led: Add .owner to struct pwm_ops
pwm: atmel-tcb: Add .owner to struct pwm_ops
pwm: ab8500: Add .owner to struct pwm_ops
pwm: spear: Fix checking return value of clk_enable() and clk_prepare()
pwm: tiehrpwm: Staticize non-exported symbols
pwm: tiecap: Staticize non-exported symbols
pwm: ab8500: Fix trivial typo in dev_err message
...
The updates are mostly about the x86 IOMMUs this time. Exceptions are
the groundwork for the PAMU IOMMU from Freescale (for a PPC platform)
and an extension to the IOMMU group interface. On the x86 side this
includes a workaround for VT-d to disable interrupt remapping on broken
chipsets. On the AMD-Vi side the most important new feature is a kernel
command-line interface to override broken information in IVRS ACPI
tables and get interrupt remapping working this way. Besides that there
are small fixes all over the place.
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Merge tag 'iommu-updates-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
"The updates are mostly about the x86 IOMMUs this time.
Exceptions are the groundwork for the PAMU IOMMU from Freescale (for a
PPC platform) and an extension to the IOMMU group interface.
On the x86 side this includes a workaround for VT-d to disable
interrupt remapping on broken chipsets. On the AMD-Vi side the most
important new feature is a kernel command-line interface to override
broken information in IVRS ACPI tables and get interrupt remapping
working this way.
Besides that there are small fixes all over the place."
* tag 'iommu-updates-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (24 commits)
iommu/tegra: Fix printk formats for dma_addr_t
iommu: Add a function to find an iommu group by id
iommu/vt-d: Remove warning for HPET scope type
iommu: Move swap_pci_ref function to drivers/iommu/pci.h.
iommu/vt-d: Disable translation if already enabled
iommu/amd: fix error return code in early_amd_iommu_init()
iommu/AMD: Per-thread IOMMU Interrupt Handling
iommu: Include linux/err.h
iommu/amd: Workaround for ERBT1312
iommu/amd: Document ivrs_ioapic and ivrs_hpet parameters
iommu/amd: Don't report firmware bugs with cmd-line ivrs overrides
iommu/amd: Add ioapic and hpet ivrs override
iommu/amd: Add early maps for ioapic and hpet
iommu/amd: Extend IVRS special device data structure
iommu/amd: Move add_special_device() to __init
iommu: Fix compile warnings with forward declarations
iommu/amd: Properly initialize irq-table lock
iommu/amd: Use AMD specific data structure for irq remapping
iommu/amd: Remove map_sg_no_iommu()
iommu/vt-d: add quirk for broken interrupt remapping on 55XX chipsets
...
This series from Tomasz Figa restores support for the pwm clocksource
in Exynos, which was broken during the conversion of the platform
to the common clk framework. The clocksource is only used in one
board in the mainline kernel (universal_c210), and this makes it
work for DT based probing as well as restoring the non-DT based
case.
* exynos/pwm-clocksource:
ARM: dts: exynops4210: really add universal_c210 dts
ARM: dts: exynos4210: Add basic dts file for universal_c210 board
ARM: dts: exynos4: Add node for PWM device
ARM: SAMSUNG: Do not register legacy timer interrupts on Exynos
clocksource: samsung_pwm_timer: Work around rounding errors in clockevents core
clocksource: samsung_pwm_timer: Correct programming of clock events
clocksource: samsung_pwm_timer: Use proper clockevents max_delta
clocksource: samsung_pwm_timer: Add support for non-DT platforms
clocksource: samsung_pwm_timer: Drop unused samsung_pwm struct
clocksource: samsung_pwm_timer: Keep all driver data in a structure
clocksource: samsung_pwm_timer: Make PWM spinlock global
clocksource: samsung_pwm_timer: Let platforms select the driver
Documentation: Add device tree bindings for Samsung PWM timers
clocksource: add samsung pwm timer driver
Conflicts:
arch/arm/boot/dts/Makefile
arch/arm/mach-exynos/common.c
drivers/clocksource/Kconfig
drivers/clocksource/Makefile
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There is no reason to keep the clksrc cleanups separate from the
other cleanups, and this resolves some merge conflicts.
Conflicts:
arch/arm/mach-spear/spear13xx.c
drivers/irqchip/Makefile
This is support for the ARM Chromebook, originally scheduled
as a "late" pull request. Since it's already late now, we
can combine this into the existing next/dt2 branch.
* late/dt:
ARM: exynos: dts: cros5250: add EC device
ARM: dts: Add sbs-battery for exynos5250-snow
ARM: dts: Add i2c-arbitrator bus for exynos5250-snow
ARM: dts: Add chip-id controller node on Exynos4/5 SoC
ARM: EXYNOS: Create virtual I/O mapping for Chip-ID controller using device tree
This patch fixes partly PAGE_SIZEs of 16K or 64K by adjusting the
assembler PTE lookup code and the assembler TEMPALIAS code. Furthermore
some data alignments for PAGE_SIZE have been limited to 4K (or less) to
not waste too much memory with greater page sizes. As a side note, the
palo loader can (currently) only handle up to 10 ELF segments which is
fixed with tighter aligning as well.
My testings indicated that the ldci command in the sba iommu coding
needed adjustment by the PAGE_SHIFT value and that the I/O PDIR Page
size was only set to 4K for my machine (C3000).
All this fixes partly the boot, but there are still quite some caching
problems left. Examples are e.g. the symbios logic driver which is
failing:
sym0: <896> rev 0x7 at pci 0000:00:0f.0 irq 69
sym0: PA-RISC Firmware, ID 7, Fast-40, SE, parity checking
CACHE TEST FAILED: DMA error (dstat=0x81).sym0: CACHE INCORRECTLY CONFIGURED.
and the tulip network driver which doesn't seem to work correctly
either:
Sending BOOTP requests .net eth0: Setting full-duplex based on MII#1
link partner capability of 05e1
..... timed out!
Beside those kernel fixes glibc will need fixes too to be able to handle
>4K page sizes.
Signed-off-by: Helge Deller <deller@gmx.de>
Add new driver for supporting Realtek RTL8152 Based USB 2.0 Ethernet Adapters
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Cc: Realtek linux nic maintainers <nic_swsd@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull Ceph changes from Alex Elder:
"This is a big pull.
Most of it is culmination of Alex's work to implement RBD image
layering, which is now complete (yay!).
There is also some work from Yan to fix i_mutex behavior surrounding
writes in cephfs, a sync write fix, a fix for RBD images that get
resized while they are mapped, and a few patches from me that resolve
annoying auth warnings and fix several bugs in the ceph auth code."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (254 commits)
rbd: fix image request leak on parent read
libceph: use slab cache for osd client requests
libceph: allocate ceph message data with a slab allocator
libceph: allocate ceph messages with a slab allocator
rbd: allocate image object names with a slab allocator
rbd: allocate object requests with a slab allocator
rbd: allocate name separate from obj_request
rbd: allocate image requests with a slab allocator
rbd: use binary search for snapshot lookup
rbd: clear EXISTS flag if mapped snapshot disappears
rbd: kill off the snapshot list
rbd: define rbd_snap_size() and rbd_snap_features()
rbd: use snap_id not index to look up snap info
rbd: look up snapshot name in names buffer
rbd: drop obj_request->version
rbd: drop rbd_obj_method_sync() version parameter
rbd: more version parameter removal
rbd: get rid of some version parameters
rbd: stop tracking header object version
rbd: snap names are pointer to constant data
...
Uses block layer runtime pm helper functions in
scsi_runtime_suspend/resume for devices that take advantage of it.
Remove scsi_autopm_* from sd open/release path and check_events path.
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
With the introduction of REQ_PM, modify sd's runtime suspend operation
functions to use that flag so that the operations to put the device into
runtime suspended state(i.e. sync cache and stop device) will not affect
its runtime PM status.
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Pull more s390 updates from Martin Schwidefsky:
"This is the second batch of s390 patches for the 3.10 merge window.
Heiko improved the memory detection, this fixes kdump for large memory
sizes. Some kvm related memory management work, new ipldev/condev
keywords in cio and bug fixes."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mem_detect: remove artificial kdump memory types
s390/mm: add pte invalidation notifier for kvm
s390/zcrypt: ap bus rescan problem when toggle crypto adapters on/off
s390/memory hotplug,sclp: get rid of per memory increment usecount
s390/memory hotplug: provide memory_block_size_bytes() function
s390/mem_detect: limit memory detection loop to "mem=" parameter
s390/kdump,bootmem: fix bootmem allocator bitmap size
s390: get rid of odd global real_memory_size
s390/kvm: Change the virtual memory mapping location for Virtio devices
s390/zcore: calculate real memory size using own get_mem_size function
s390/mem_detect: add DAT sanity check
s390/mem_detect: fix lockdep irq tracing
s390/mem_detect: move memory detection code to mm folder
s390/zfcpdump: exploit new cio_ignore keywords
s390/cio: add condev keyword to cio_ignore
s390/cio: add ipldev keyword to cio_ignore
s390/uaccess: add "fallthrough" comments
When unloading the driver that drives an EISA board, a message similar to the
following one is displayed:
Trying to free nonexistent resource <0000000000013000-000000000001301f>
Then an user is unable to reload the driver because the resource it requested in
the previous load hasn't been freed. This happens most probably due to a typo in
vortex_eisa_remove() which calls release_region() with 'dev->base_addr' instead
of 'edev->base_addr'...
Reported-by: Matthew Whitehead <tedheadster@gmail.com>
Tested-by: Matthew Whitehead <tedheadster@gmail.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Rename vhost_ubuf to vhost_net_ubuf
- Rename vhost_zcopy_mask to vhost_net_zcopy_mask
- Make funcs static
Signed-off-by: Asias He <asias@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
It is supposed to be removed when hdr is moved into vhost_net_virtqueue.
Signed-off-by: Asias He <asias@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
vhost.h should not depend on device specific marcos like
VHOST_NET_F_VIRTIO_NET_HDR and VIRTIO_NET_F_MRG_RXBUF.
Signed-off-by: Asias He <asias@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Both existing instances always return 0 and even if they didn't,
the value would be lost on the way out. Just don't bother...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
- The ChromeOS embedded controller which provides keyboard, battery and power
management services. This controller is accessible through i2c or SPI.
- Silicon Laboratories 476x controller, providing access to their FM chipset
and their audio codec.
- Realtek's RTS5249, a memory stick, MMC and SD/SDIO PCI based reader.
- Nokia's Tahvo power button and watchdog device. This device is very similar
to Retu and is thus supported by the same code base.
- STMicroelectronics STMPE1801, a keyboard and GPIO controller supported by
the stmpe driver.
- ST-Ericsson AB8540 and AB8505 power management and voltage converter
controllers through the existing ab8500 code.
Some other drivers got cleaned up or improved. In particular:
- The Linaro/STE guys got the ab8500 driver in sync with their internal code
through a series of optimizations, fixes and improvements.
- The AS3711 and OMAP USB drivers now have DT support.
- The arizona clock and interrupt handling code got improved.
- The wm5102 register patch and boot mechanism also got improved.
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Merge tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next
Pull MFD update from Samuel Ortiz:
"For 3.10 we have a few new MFD drivers for:
- The ChromeOS embedded controller which provides keyboard, battery
and power management services. This controller is accessible
through i2c or SPI.
- Silicon Laboratories 476x controller, providing access to their FM
chipset and their audio codec.
- Realtek's RTS5249, a memory stick, MMC and SD/SDIO PCI based
reader.
- Nokia's Tahvo power button and watchdog device. This device is
very similar to Retu and is thus supported by the same code base.
- STMicroelectronics STMPE1801, a keyboard and GPIO controller
supported by the stmpe driver.
- ST-Ericsson AB8540 and AB8505 power management and voltage
converter controllers through the existing ab8500 code.
Some other drivers got cleaned up or improved. In particular:
- The Linaro/STE guys got the ab8500 driver in sync with their
internal code through a series of optimizations, fixes and
improvements.
- The AS3711 and OMAP USB drivers now have DT support.
- The arizona clock and interrupt handling code got improved.
- The wm5102 register patch and boot mechanism also got improved."
* tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (104 commits)
mfd: si476x: Don't use 0bNNN
mfd: vexpress: Handle pending config transactions
mfd: ab8500: Export ab8500_gpadc_sw_hw_convert properly
mfd: si476x: Fix i2c warning
mfd: si476x: Add header files and Kbuild plumbing
mfd: si476x: Add chip properties handling code
mfd: si476x: Add the bulk of the core driver
mfd: si476x: Add commands abstraction layer
mfd: rtsx: Support RTS5249
mfd: retu: Add Tahvo support
mfd: ucb1400: Pass ucb1400-gpio data through ac97 bus
mfd: wm8994: Add some OF properties
mfd: wm8994: Add device ID data to WM8994 OF device IDs
input: Export matrix_keypad_parse_of_params()
mfd: tps65090: Add compatible string for charger subnode
mfd: db8500-prcmu: Support platform dependant device selection
mfd: syscon: Fix warnings when printing resource_size_t
of: Add stub of_get_parent for non-OF builds
mfd: omap-usb-tll: Convert to devm_ioremap_resource()
mfd: omap-usb-host: Convert to devm_ioremap_resource()
...
Pull kvm updates from Gleb Natapov:
"Highlights of the updates are:
general:
- new emulated device API
- legacy device assignment is now optional
- irqfd interface is more generic and can be shared between arches
x86:
- VMCS shadow support and other nested VMX improvements
- APIC virtualization and Posted Interrupt hardware support
- Optimize mmio spte zapping
ppc:
- BookE: in-kernel MPIC emulation with irqfd support
- Book3S: in-kernel XICS emulation (incomplete)
- Book3S: HV: migration fixes
- BookE: more debug support preparation
- BookE: e6500 support
ARM:
- reworking of Hyp idmaps
s390:
- ioeventfd for virtio-ccw
And many other bug fixes, cleanups and improvements"
* tag 'kvm-3.10-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (204 commits)
kvm: Add compat_ioctl for device control API
KVM: x86: Account for failing enable_irq_window for NMI window request
KVM: PPC: Book3S: Add API for in-kernel XICS emulation
kvm/ppc/mpic: fix missing unlock in set_base_addr()
kvm/ppc: Hold srcu lock when calling kvm_io_bus_read/write
kvm/ppc/mpic: remove users
kvm/ppc/mpic: fix mmio region lists when multiple guests used
kvm/ppc/mpic: remove default routes from documentation
kvm: KVM_CAP_IOMMU only available with device assignment
ARM: KVM: iterate over all CPUs for CPU compatibility check
KVM: ARM: Fix spelling in error message
ARM: KVM: define KVM_ARM_MAX_VCPUS unconditionally
KVM: ARM: Fix API documentation for ONE_REG encoding
ARM: KVM: promote vfp_host pointer to generic host cpu context
ARM: KVM: add architecture specific hook for capabilities
ARM: KVM: perform HYP initilization for hotplugged CPUs
ARM: KVM: switch to a dual-step HYP init code
ARM: KVM: rework HYP page table freeing
ARM: KVM: enforce maximum size for identity mapped code
ARM: KVM: move to a KVM provided HYP idmap
...
Some ancient pHyp versions used to create a 8 bytes local-mac-address
property in the device-tree instead of a 6 bytes one for veth.
The Linux driver code to deal with that is an insane hack which also
happens to break with some choices of MAC addresses in qemu by testing
for a bit in the address rather than just looking at the size of the
property.
Sanitize this by doing the latter instead.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: <stable@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix a remove/insert race which Never Happens, and (my favorite) handle the
case when we have too many modules for a single commandline. Seriously,
the kernel is full, please go away!
Cheers,
Rusty.
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Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull mudule updates from Rusty Russell:
"We get rid of the general module prefix confusion with a binary config
option, fix a remove/insert race which Never Happens, and (my
favorite) handle the case when we have too many modules for a single
commandline. Seriously, the kernel is full, please go away!"
* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
modpost: fix unwanted VMLINUX_SYMBOL_STR expansion
X.509: Support parse long form of length octets in Authority Key Identifier
module: don't unlink the module until we've removed all exposure.
kernel: kallsyms: memory override issue, need check destination buffer length
MODSIGN: do not send garbage to stderr when enabling modules signature
modpost: handle huge numbers of modules.
modpost: add -T option to read module names from file/stdin.
modpost: minor cleanup.
genksyms: pass symbol-prefix instead of arch
module: fix symbol versioning with symbol prefixes
CONFIG_SYMBOL_PREFIX: cleanup.
Pull single_open() leak fixes from Al Viro:
"A bunch of fixes for a moderately common class of bugs: file with
single_open() done by its ->open() and seq_release as its ->release().
That leaks; fortunately, it's not _too_ common (either people manage
to RTFM that says "When using single_open(), the programmer should use
single_release() instead of seq_release() in the file_operations
structure to avoid a memory leak", or they just copy a correct
instance), but grepping through the tree has caught quite a pile.
All of that is, AFAICS, -stable fodder, for as far as the patches
apply. I tried to carve it up into reasonably-sized pieces (more or
less "comes from the same tree")"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
rcutrace: single_open() leaks
gadget: single_open() leaks
staging: single_open() leaks
megaraid: single_open() leak
wireless: single_open() leaks
input: single_open() leak
rtc: single_open() leaks
ds1620: single_open() leak
sh: single_open() leaks
parisc: single_open() leaks
mips: single_open() leaks
ia64: single_open() leaks
h8300: single_open() leaks
cris: single_open() leaks
arm: single_open() leaks
Pull networking fixes from David Miller:
1) Several routines do not use netdev_features_t to hold such bitmasks,
fixes from Patrick McHardy and Bjørn Mork.
2) Update cpsw IRQ software state and the actual HW irq enabling in the
correct order. From Mugunthan V N.
3) When sending tipc packets to multiple bearers, we have to make
copies of the SKB rather than just giving the original SKB directly.
Fix from Gerlando Falauto.
4) Fix race with bridging topology change timer, from Stephen
Hemminger.
5) Fix TCPv6 segmentation handling in GRE and VXLAN, from Pravin B
Shelar.
6) Endian bug in USB pegasus driver, from Dan Carpenter.
7) Fix crashes on MTU reduction in USB asix driver, from Holger
Eitzenberger.
8) Don't allow the kernel to BUG() just because the user puts some crap
in an AF_PACKET mmap() ring descriptor. Fix from Daniel Borkmann.
9) Don't use variable sized arrays on the stack in xen-netback, from
Wei Liu.
10) Fix stats reporting and an unbalanced napi_disable() in be2net
driver. From Somnath Kotur and Ajit Khaparde.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (25 commits)
cxgb4: fix error recovery when t4_fw_hello returns a positive value
sky2: Fix crash on receiving VLAN frames
packet: tpacket_v3: do not trigger bug() on wrong header status
asix: fix BUG in receive path when lowering MTU
net: qmi_wwan: Add Telewell TW-LTE 4G
usbnet: pegasus: endian bug in write_mii_word()
vxlan: Fix TCPv6 segmentation.
gre: Fix GREv4 TCPv6 segmentation.
bridge: fix race with topology change timer
tipc: pskb_copy() buffers when sending on more than one bearer
tipc: tipc_bcbearer_send(): simplify bearer selection
tipc: cosmetic: clean up comments and break a long line
drivers: net: cpsw: irq not disabled in cpsw isr in particular sequence
xen-netback: better names for thresholds
xen-netback: avoid allocating variable size array on stack
xen-netback: remove redundent parameter in netbk_count_requests
be2net: Fix to fail probe if MSI-X enable fails for a VF
be2net: avoid napi_disable() when it has not been enabled
be2net: Fix firmware download for Lancer
be2net: Fix to receive Multicast Packets when Promiscuous mode is enabled on certain devices
...
Pull sparc updates from David Miller:
1) Hibernation support, as well as removal of excess interrupt
twiddling in MMU context allocation on sparc64 from Kirill Tkhai.
2) Kill references to __ARCH_WANT_UNLOCKED_CTXSW.
3) Sparc32 LEON bug fixes from Daniel Hellstrom and Andreas Larsson.
4) Provide cmpxchg64(), from Geert Uytterhoeven.
5) Device refcount and registry bug fixes from Federico Vaga and Wei
Yongjun.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next:
serial: sunsu: add missing platform_driver_unregister() when module exit
sparc32, leon: Do not overwrite previously set irq flow handlers
sparc/kernel/vio.c: add put_device() after device_find_child()
sparc64: Do not save/restore interrupts in get_new_mmu_context()
sparc: Consistently use 'wr' and 'rd' instructions for ASRs.
sparc64: Kill __ARCH_WANT_UNLOCKED_CTXSW
sparc64: Provide cmpxchg64()
sparc64: Do not change num_physpages during initmem freeing
sparc64: Hibernation support
sparc,leon: updated GRPCI2 config name
sparc,leon: support for GRPCI1 PCI host bridge controller
sparc32,leon: add support for PCI busn resource for GRPCI2
We have registered platform driver when module init, and
need unregister it when module exit.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Core:
- Introduce MMC_CAP2_NO_PRESCAN_POWERUP to allow skipping mmc_power_up()
at boot/initialization time if it's already happened, for performance
(faster boot time) reasons.
- Fix a bit width test failure that resulted in old eMMC cards being put
into 1-bit mode when 4-bit mode was available.
- Expose fwrev/hwrev for MMCv4 parts.
- Improve card removal logic in the case where the card's removed slowly;
we were missing card removal events if the card retained contact with
the slot pads for long enough to reply to a CMD13 while being removed.
Drivers:
- davinci_mmc: Support using PIO instead of DMA.
- dw_mmc: Add support for Exynos4412.
- mxcmmc: DT support, use slot-gpio API.
- mxs-mmc: Add broken-cd/cd-inverted/non-removable DT property support.
- sdhci-sirf: New sdhci-pltfm driver for CSR SiRF SoCs:
SiRFprimaII: unicore ARM Cortex-A9
SiRFatlas6: unicore ARM Cortex-A9
SiRFmarco: dual core ARM Cortex-A9 SMP
- sdhci-tegra: Add support for Tegra114 platforms, use mmc_of_parse().
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Merge tag 'mmc-updates-for-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC update from Chris Ball:
"MMC highlights for 3.10:
Core:
- Introduce MMC_CAP2_NO_PRESCAN_POWERUP to allow skipping
mmc_power_up() at boot/initialization time if it's already
happened, for performance (faster boot time) reasons.
- Fix a bit width test failure that resulted in old eMMC cards being
put into 1-bit mode when 4-bit mode was available.
- Expose fwrev/hwrev for MMCv4 parts.
- Improve card removal logic in the case where the card's removed
slowly; we were missing card removal events if the card retained
contact with the slot pads for long enough to reply to a CMD13
while being removed.
Drivers:
- davinci_mmc: Support using PIO instead of DMA.
- dw_mmc: Add support for Exynos4412.
- mxcmmc: DT support, use slot-gpio API.
- mxs-mmc: Add broken-cd/cd-inverted/non-removable DT property
support.
- sdhci-sirf: New sdhci-pltfm driver for CSR SiRF SoCs:
SiRFprimaII: unicore ARM Cortex-A9
SiRFatlas6: unicore ARM Cortex-A9
SiRFmarco: dual core ARM Cortex-A9 SMP
- sdhci-tegra: Add support for Tegra114 platforms, use
mmc_of_parse()"
* tag 'mmc-updates-for-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (66 commits)
mmc: sdhci-tegra: fix MODULE_DEVICE_TABLE
mmc: core: fix init controller performance regression, updated patch
mmc: mxcmmc: enable DMA support on mpc512x
mmc: mxcmmc: constify mxcmci_devtype
mmc: mxcmmc: use slot-gpio API for write-protect detection
mmc: mxcmmc: add mpc512x SDHC support
mmc: mxcmmc: fix race conditions for host->req and host->data access
mmc: mxcmmc: DT support
mmc: dw_mmc: let device core setup the default pin configuration
mmc: mxs-mmc: add broken-cd property
mmc: mxs-mmc: add non-removable property
mmc: mxs-mmc: add cd-inverted property
mmc: core: call pm_runtime_put_noidle in pm_runtime_get_sync failed case
mmc: mxcmmc: Fix bug when card is present during boot
mmc: core: fix performance regression initializing MMC host controllers
Revert "mmc: core: wait while adding MMC host to ensure root mounts successfully"
mmc: atmel-mci: pio hang on block errors
mmc: core: Fix bit width test failing on old eMMC cards
mmc: dw_mmc: Use pr_info instead of printk
mmc: dw_mmc: Check return value of regulator_enable
...
Pull hwmon update from Jean Delvare:
"Only lm75 driver updates this time"
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (lm75) Add support for the Dallas/Maxim DS7505
hwmon: (lm75) Tune resolution and sample time per chip
hwmon: (lm75) Prepare to support per-chip resolution and sample time
hwmon: (lm75) Per-chip configuration register initialization
Pull second round of VFS updates from Al Viro:
"Assorted fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
xtensa simdisk: fix braino in "xtensa simdisk: switch to proc_create_data()"
hostfs: use kmalloc instead of kzalloc
hostfs: move HOSTFS_SUPER_MAGIC to <linux/magic.h>
hostfs: remove "will unlock" comment
vfs: use list_move instead of list_del/list_add
proc_devtree: Replace include linux/module.h with linux/export.h
create_mnt_ns: unidiomatic use of list_add()
fs: remove dentry_lru_prune()
Removed unused typedef to avoid "unused local typedef" warnings.
kill fs/read_write.h
fs: Fix hang with BSD accounting on frozen filesystem
sun3_scsi: add ->show_info()
nubus: Kill nubus_proc_detach_device()
more mode_t whack-a-mole...
do_coredump(): don't wait for thaw if coredump has already been interrupted
do_mount(): fix a leak introduced in 3.9 ("mount: consolidate permission checks")
These changes are all for board specific files. These used to make up a
large portion of the ARM changes in the past, but as we are generalizing
the support and moving to device tree probing, this has gotten
significantly smaller. The only platform actually adding new code here
at the moment is Renesas shmobile, as they are still busy converting
their code to device tree and have not come far enough to not need it.
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Merge tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC board specific changes (part 1) from Olof Johansson:
"These changes are all for board specific files. These used to make up
a large portion of the ARM changes in the past, but as we are
generalizing the support and moving to device tree probing, this has
gotten significantly smaller.
The only platform actually adding new code here at the moment is
Renesas shmobile, as they are still busy converting their code to
device tree and have not come far enough to not need it."
* tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
ARM: msm: USB_MSM_OTG needs USB_PHY
ARM: davinci: da850 evm: fix const qualifier placement
ARM: davinci: da850 board: add remoteproc support
ARM: pxa: move debug uart code
ARM: pxa: select PXA935 on saar & tavorevb
ARM: mmp: add more compatible names in gpio driver
ARM: pxa: move PXA_GPIO_TO_IRQ macro
ARM: pxa: remove cpu_is_xxx in gpio driver
ARM: Kirkwood: update Network Space Mini v2 description
ARM: Kirkwood: DT board setup for CloudBox
ARM: Kirkwood: sort board entries by ASCII-code order
ARM: OMAP: board-4430sdp: Provide regulator to pwm-backlight
ARM: OMAP: zoom: Use pwm stack for lcd and keyboard backlight
ARM: OMAP2+: omap2plus_defconfig: Add support for BMP085 pressure sensor
omap2+: Remove useless Makefile line
omap2+: Remove useless Makefile line
ARM: OMAP: RX-51: add missing regulator supply definitions for lis3lv02d
ARM: OMAP1: fix omap_udc registration
ARM: davinci: use is IS_ENABLED macro
ARM: kirkwood: add MACH_GURUPLUG_DT to defconfig
...
This is yet another driver change, which is split out just because
of its size. As already in 3.9, a lot of changes are going on here,
as the shmobile platform gets converted from its own pin control
API to the generic drivers/pinctrl subsystem.
Based on agreements with Paul Mundt, we are merging the sh-arch-side
changes here as well.
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Merge tag 'renesas-pinctrl-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC pinctrl changes for Renesas from Olof Johansson:
"This is yet another driver change, which is split out just because of
its size. As already in 3.9, a lot of changes are going on here, as
the shmobile platform gets converted from its own pin control API to
the generic drivers/pinctrl subsystem.
Based on agreements with Paul Mundt, we are merging the sh-arch-side
changes here as well"
* tag 'renesas-pinctrl-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (142 commits)
ARM: shmobile: r8a7779: Remove INTC function GPIOs
ARM: shmobile: r8a7779: Remove LBSC function GPIOs
ARM: shmobile: r8a7779: Remove USB function GPIOs
ARM: shmobile: r8a7779: Remove HSPI function GPIOs
ARM: shmobile: r8a7779: Remove SCIF function GPIOs
ARM: shmobile: r8a7779: Remove SDHI and MMCIF function GPIOs
ARM: shmobile: r8a7779: Remove DU function GPIOs
ARM: shmobile: r8a7779: Remove DU1_DOTCLKOUT1 GPIO
ARM: shmobile: r8a7740: Remove SDHI and MMCIF function GPIOs
ARM: shmobile: r8a7740: Remove LCD0 and LCD1 function GPIOs
ARM: shmobile: sh73a0: Remove IrDA function GPIOs
ARM: shmobile: sh73a0: Remove USB function GPIOs
ARM: shmobile: sh73a0: Remove BSC function GPIOs
ARM: shmobile: sh73a0: Remove KEYSC function GPIOs
ARM: shmobile: sh73a0: Remove pull-up function GPIOS
ARM: shmobile: sh73a0: Remove FSI function GPIOs
ARM: shmobile: sh73a0: Remove I2C function GPIOs
ARM: shmobile: sh73a0: Remove SCIFA and SCIFB function GPIOs
ARM: shmobile: sh73a0: Remove LCDC and LCDC2 function GPIOs
ARM: shmobile: sh7372: Remove SDHI and MMCIF function GPIOs
...
This is a rather large set of patches for device drivers that for one
reason or another the subsystem maintainer preferred to get merged
through the arm-soc tree. There are both new drivers as well as
existing drivers that are getting converted from platform-specific
code into standalone drivers using the appropriate subsystem
specific interfaces.
In particular, we can now have pinctrl, clk, clksource and irqchip
drivers in one file per driver, without the need to call into
platform specific interface, or to get called from platform specific
code, as long as all information about the hardware is provided
through a device tree.
Most of the drivers we touch this time are for clocksource. Since
now most of them are part of drivers/clocksource, I expect that we
won't have to touch these again from arm-soc and can let the
clocksource maintainers take care of these in the future.
Another larger part of this series is specific to the exynos platform,
which is seeing some significant effort in upstreaming and
modernization of its device drivers this time around, which
unfortunately is also the cause for the churn and a lot of the
merge conflicts.
There is one new subsystem that gets merged as part of this series:
the reset controller interface, which is a very simple interface
for taking devices on the SoC out of reset or back into reset.
Patches to use this interface on i.MX follow later in this merge
window, and we are going to have other platforms (at least tegra
and sirf) get converted in 3.11. This will let us get rid of
platform specific callbacks in a number of platform independent
device drivers.
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver changes from Olof Johansson:
"This is a rather large set of patches for device drivers that for one
reason or another the subsystem maintainer preferred to get merged
through the arm-soc tree. There are both new drivers as well as
existing drivers that are getting converted from platform-specific
code into standalone drivers using the appropriate subsystem specific
interfaces.
In particular, we can now have pinctrl, clk, clksource and irqchip
drivers in one file per driver, without the need to call into platform
specific interface, or to get called from platform specific code, as
long as all information about the hardware is provided through a
device tree.
Most of the drivers we touch this time are for clocksource. Since now
most of them are part of drivers/clocksource, I expect that we won't
have to touch these again from arm-soc and can let the clocksource
maintainers take care of these in the future.
Another larger part of this series is specific to the exynos platform,
which is seeing some significant effort in upstreaming and
modernization of its device drivers this time around, which
unfortunately is also the cause for the churn and a lot of the merge
conflicts.
There is one new subsystem that gets merged as part of this series:
the reset controller interface, which is a very simple interface for
taking devices on the SoC out of reset or back into reset. Patches to
use this interface on i.MX follow later in this merge window, and we
are going to have other platforms (at least tegra and sirf) get
converted in 3.11. This will let us get rid of platform specific
callbacks in a number of platform independent device drivers."
* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (256 commits)
irqchip: s3c24xx: add missing __init annotations
ARM: dts: Disable the RTC by default on exynos5
clk: exynos5250: Fix parent clock for sclk_mmc{0,1,2,3}
ARM: exynos: restore mach/regs-clock.h for exynos5
clocksource: exynos_mct: fix build error on non-DT
pinctrl: vt8500: wmt: Fix checking return value of pinctrl_register()
irqchip: vt8500: Convert arch-vt8500 to new irqchip infrastructure
reset: NULL deref on allocation failure
reset: Add reset controller API
dt: describe base reset signal binding
ARM: EXYNOS: Add arm-pmu DT binding for exynos421x
ARM: EXYNOS: Add arm-pmu DT binding for exynos5250
ARM: EXYNOS: Enable PMUs for exynos4
irqchip: exynos-combiner: Correct combined IRQs for exynos4
irqchip: exynos-combiner: Add set_irq_affinity function for combiner_irq
ARM: EXYNOS: fix compilation error introduced due to common clock migration
clk: exynos5250: Fix divider values for sclk_mmc{0,1,2,3}
clk: exynos4: export clocks required for fimc-is
clk: samsung: Fix compilation error
clk: tegra: fix enum tegra114_clk to match binding
...
Commit 59d8053f1e ("proc: Move non-public
stuff from linux/proc_fs.h to fs/proc/internal.h") broke Apple NuBus
support:
drivers/nubus/proc.c: In function ‘nubus_proc_detach_device’:
drivers/nubus/proc.c:156: error: dereferencing pointer to incomplete type
drivers/nubus/proc.c:158: error: dereferencing pointer to incomplete type
Fortunately nubus_proc_detach_device() is unused, and appears to have never
been used, so just remove it.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Basically it's the same as the original DS75 but much faster.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Most LM75-compatible chips can either sample much faster or with a
much better resolution than the original LM75 chip. So far the lm75
driver did not let the user take benefit of these improvements. Do it
now.
I decided to almost always configure the chip to use the best
resolution possible, which also means the longest sample time. The
only chips for which I didn't are the DS75, DS1775 and STDS75, because
they are really too slow in 12-bit mode (1.2 to 1.5 second worst case)
so I went for 11-bit mode as a more reasonable tradeoff. This choice is
dictated by the fact that the hwmon subsystem is meant for system
monitoring, it has never been supposed to be ultra-fast, and as a
matter of fact we do cache the sampled values in almost all drivers.
If anyone isn't pleased with these default settings, they can always
introduce a platform data structure or DT support for the lm75. That
being said, it seems nobody ever complained that the driver wouldn't
refresh the value faster than every 1.5 second, and the change made
it faster for all chips even in 12-bit mode, so I don't expect any
complaint.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Prepare the lm75 driver to support per-chip resolution and sample
time. For now we only make the code generic enough to support it, but
we still use the same, unchanged resolution (9-bit) and sample time
(1.5 s) for all chips.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
There is no standard for the configuration register bits of LM75-like
chips. We shouldn't blindly clear bits setting the resolution as they
are either unused or used for something else on some of the supported
chips.
So, switch to per-chip configuration initialization. This will allow
for better tuning later, for example using more resolution bits when
available.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
According to BSpec the link training sequence for eDP on HSW port-A
should be as follows:
1. link training: clock recovery
2. link training: equalization
3. link training: set idle transmission mode
4. display pipe enable
5. link training: disable (set normal mode)
Contrary to this at the moment we don't do step 3. and we do step 5.
before step 4. Fix this by setting idle transmission mode for eDP at
the end of intel_dp_complete_link_train and adding a new
intel_dp_stop_link_training function to disable link training. With
these changes we'll end up with the following functions corresponding
to the above steps:
intel_dp_start_link_train -> step 1.
intel_dp_complete_link_train -> step 2., step 3.
intel_dp_stop_link_train -> step 5.
For port-A we'll call intel_dp_stop_link_train only after enabling the
pipe, for everything else we'll call it right after
intel_dp_complete_link_train to preserve the current behavior.
Tested on HSW/HSW-ULT.
In v2:
- Due to a HW issue we must set idle transmission mode for port-A too
before enabling the pipe. Thanks for Arthur Runyan for explaining
this.
- Update the patch subject to make it clear that it's an eDP fix, DP is
not affected.
v3:
- rename intel_dp_link_train() to intel_dp_set_link_train(), use 'val'
instead 'l' as var name. (Paulo)
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Tested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This reverts commit 57c2196332.
It's an ugly hack for a Haswell SDV platform where the vbt doesn't
seem to fully agree with the panel. Since it seems to cause issues on
real eDP platform let's just kill this hack again.
Reported-and-tested-by: Josh Boyer <jwboyer@gmail.com>
References: https://lkml.org/lkml/2013/5/3/467
Cc: Paulo Zanoni <przanoni@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Since commit 636f9d371f ("cxgb4: Add
support for T4 configuration file"), t4_fw_hello may return a positive
value instead of 0 for success. The recovery code tests only for zero
and fails recovery for any other value.
This fix tests for negative error values and fails only on those cases.
Error recovery after an error injection works after this change.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After recent 86a9bad3 (net: vlan: add protocol argument to packet
tagging functions) my sky2 started to crash on receive of tagged
frames, with backtrace similar to
#CRASH!!!
vlan_do_receive
__netif_receive_skb_core
__netif_receive_skb
netif_receive_skb
sky2_poll
...
__net_rx_action
__do_softirq
The problem turned out to be:
1) sky2 copies small packets from ring on RX, and in its
receive_copy() skb header is copied manually field, by field, and
only for some fields;
2) 86a9bad3 added skb->vlan_proto, which vlan_untag() or
__vlan_hwaccel_put_tag() set, and which is later used in
vlan_do_receive().
That patch updated copy_skb_header() for newly introduced
skb->vlan_proto, but overlooked the need to also copy it in sky2's
receive_copy().
Because of 2, we have the following scenario:
- frame is received and tagged in a ring, by sky2_rx_tag(). Both
skb->vlan_proto and skb->vlan_tci are set;
- later skb is decided to be copied, but skb->vlan_proto is
forgotten and becomes 0.
- in the beginning of vlan_do_receive() we call
__be16 vlan_proto = skb->vlan_proto;
vlan_dev = vlan_find_dev(skb->dev, vlan_proto, vlan_id);
which eventually invokes
vlan_proto_idx(vlan_proto)
and that routine BUGs for everything except ETH_P_8021Q and
ETH_P_8021AD.
Oops.
Fix it.
P.S.
Stephen, I wonder, why copy_skb_header() is not used in
sky2.c::receive_copy() ? Problems, where receive_copy was updated field
by field showed several times already, e.g.
3f42941b (sky2: propogate rx hash when packet is copied)
e072b3fa (sky2: fix receive length error in mixed non-VLAN/VLAN traffic)
Cc: Patrick McHardy <kaber@trash.net>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Mirko Lindner <mlindner@marvell.com>
Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is bug in the receive path of the asix driver at the time a
packet is received larger than MTU size and DF bit set:
BUG: unable to handle kernel paging request at 0000004000000001
IP: [<ffffffff8126f65b>] skb_release_head_state+0x2d/0xd2
...
Call Trace:
<IRQ>
[<ffffffff8126f86d>] ? skb_release_all+0x9/0x1e
[<ffffffff8126f8ad>] ? __kfree_skb+0x9/0x6f
[<ffffffffa00b4200>] ? asix_rx_fixup_internal+0xff/0x1ae [asix]
[<ffffffffa00fb3dc>] ? usbnet_bh+0x4f/0x226 [usbnet]
...
It is easily reproducable by setting an MTU of 512 e. g. and sending
something like
ping -s 1472 -c 1 -M do $SELF
from another box.
And this is because the rx->ax_skb is freed on error, but rx->ax_skb
is not reset, and the size is not reset to zero in this case.
And since the skb is added again to the usbnet->done skb queue it is
accessing already freed memory, resulting in the BUG when freeing a
2nd time. I therefore think the value 0x0000004000000001 show in the
trace is more or less random data.
Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
We're only passing the two high bytes of an integer. It works for
little endian but not for big endian.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch claim to fix "WARNING: at net/mac80211/util.c:599
ieee80211_can_queue_work.isra.7+0x30/0x40", which was reported at:
https://bugzilla.redhat.com/show_bug.cgi?id=922295
We use ATH_STAT_STARTED flag to disallow to perform
ath5k_tx_complete_poll_work() code, hence reschedule
ah->tx_complete_work, when we stop device. This flag was defined in
ath5k code, but it was not used.
I didn't get feedback if the fix works, so patch is compile only tested.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
If no keycache slots are available, ath_key_config can return -ENOSPC.
If the key index is not checked for errors, it can lead to logspam that
looks like this: "ath: wiphy0: keyreset: keycache entry 228 out of range"
This can cause follow-up errors if the invalid keycache index gets
used for tx.
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Mostly many small changes spread as seen in diffstat in sound/*
directory by this update. A significant change in the subsystem level
is the introduction of snd_soc_component, which will help more generic
handling of SoC and off-SoC components.
Also, snd_BUG_ON() macro is enabled unconditionally now due to its
misuses, so people might hit kernel warnings (it's a good thing for
us).
- compress-offload: support for capture by Charles Keepax
- HD-audio: codec delay support by Dylan Reid
- HD-audio: improvements/fixes in generic parser: better headphone mic
and headset mic support, jack_modes hint consolidation, proper beep
attach/detachment, generalized power filter controls by David
Henningsson, et al
- HD-audio: Improved management of HDMI codec pins/converters
- HD-audio: Better pin/DAC assignment for VIA codecs
- HD-audio: Haswell HDMI workarounds
- HD-audio: ALC268 codec support, a few new quirks for Chromebooks
- USB: regression fixes: USB-MIDI autopm fix, the recent ISO latency
fix by Clemens Ladisch
- USB: support for DSD formats by Daniel Mack
- USB: A few UAC2 device endian/cock fixes by Eldad Zack
- USB: quirks for Emu 192kHz support, Novation Twitch DJ controller,
Yamaha THRxx devices
- HDSPM: updates for TCO controls by Adrian Knoth
- ASoC: Add a snd_soc_component object type for generic handling of
SoC and off-SoC components by Kuninori Morimoto,
- dmaengine: a large set of cleanups and conversions by Lars-Peter
Clausen
- ASoC DAPM: performance optimizations from Ryo Tsutsui
- ASoC DAPM: support for mixer control sharing by Stephen Warren
- ASoC: multiplatform ARM cleanups from Arnd Bergmann
- ASoC: new codec drivers for AK5385 and TAS5086 from Daniel Mack
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Merge tag 'sound-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"Mostly many small changes spread as seen in diffstat in sound/*
directory by this update. A significant change in the subsystem level
is the introduction of snd_soc_component, which will help more generic
handling of SoC and off-SoC components.
Also, snd_BUG_ON() macro is enabled unconditionally now due to its
misuses, so people might hit kernel warnings (it's a good thing for
us).
- compress-offload: support for capture by Charles Keepax
- HD-audio: codec delay support by Dylan Reid
- HD-audio: improvements/fixes in generic parser: better headphone
mic and headset mic support, jack_modes hint consolidation, proper
beep attach/detachment, generalized power filter controls by David
Henningsson, et al
- HD-audio: Improved management of HDMI codec pins/converters
- HD-audio: Better pin/DAC assignment for VIA codecs
- HD-audio: Haswell HDMI workarounds
- HD-audio: ALC268 codec support, a few new quirks for Chromebooks
- USB: regression fixes: USB-MIDI autopm fix, the recent ISO latency
fix by Clemens Ladisch
- USB: support for DSD formats by Daniel Mack
- USB: A few UAC2 device endian/cock fixes by Eldad Zack
- USB: quirks for Emu 192kHz support, Novation Twitch DJ controller,
Yamaha THRxx devices
- HDSPM: updates for TCO controls by Adrian Knoth
- ASoC: Add a snd_soc_component object type for generic handling of
SoC and off-SoC components by Kuninori Morimoto,
- dmaengine: a large set of cleanups and conversions by Lars-Peter
Clausen
- ASoC DAPM: performance optimizations from Ryo Tsutsui
- ASoC DAPM: support for mixer control sharing by Stephen Warren
- ASoC: multiplatform ARM cleanups from Arnd Bergmann
- ASoC: new codec drivers for AK5385 and TAS5086 from Daniel Mack"
* tag 'sound-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (315 commits)
ALSA: usb-audio: caiaq: fix endianness bug in snd_usb_caiaq_maschine_dispatch
ALSA: asihpi: add format support check in snd_card_asihpi_capture_formats
ALSA: pcm_format_to_bits strong-typed conversion
ALSA: compress: fix the states to check for allowing read
ALSA: hda - Move Thinkpad X220 to use auto parser
ALSA: USB: adjust for changed 3.8 USB API
ALSA: usb - Avoid unnecessary sample rate changes on USB 2.0 clock sources
sound: oss/dmabuf: use dma_map_single
ALSA: ali5451: use mdelay instead of large udelay constants
ALSA: hda - Add the support for ALC286 codec
ALSA: usb-audio: USB quirk for Yamaha THR10C
ALSA: usb-audio: USB quirk for Yamaha THR5A
ALSA: usb-audio: USB quirk for Yamaha THR10
ALSA: usb-audio: Fix autopm error during probing
ALSA: snd-usb: try harder to find USB_DT_CS_ENDPOINT
ALSA: sound kconfig typo
ALSA: emu10k1: Fix dock firmware loading
ASoC: ux500: forward declare msp_i2s_platform_data
ASoC: davinci-mcasp: Add Support BCLK-to-LRCLK ratio for TDM modes
ASoC: davinci-pcm, davinci-mcasp: Clean up active_serializers
...
Fixes 'undefined reference' issue when hid-steelseries is built in,
but led-class is a module.
--
drivers/built-in.o: In function `steelseries_srws1_remove':
hid-steelseries.c:(.text+0x3b97a1): undefined reference to `led_classdev_unregister'
drivers/built-in.o: In function `steelseries_srws1_probe':
hid-steelseries.c:(.text+0x3b9c51): undefined reference to `led_classdev_register'
hid-steelseries.c:(.text+0x3b9ce5): undefined reference to `led_classdev_register'
hid-steelseries.c:(.text+0x3b9d4b): undefined reference to `led_classdev_unregister'
--
Patch allows LED control when led-class is built in, or both hid-steelseries
_and_ led-class are both modules.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull drm updates from Dave Airlie:
"This is the main drm pull request for 3.10.
Wierd bits:
- OMAP drm changes required OMAP dss changes, in drivers/video, so I
took them in here.
- one more fbcon fix for font handover
- VT switch avoidance in pm code
- scatterlist helpers for gpu drivers - have acks from akpm
Highlights:
- qxl kms driver - driver for the spice qxl virtual GPU
Nouveau:
- fermi/kepler VRAM compression
- GK110/nvf0 modesetting support.
Tegra:
- host1x core merged with 2D engine support
i915:
- vt switchless resume
- more valleyview support
- vblank fixes
- modesetting pipe config rework
radeon:
- UVD engine support
- SI chip tiling support
- GPU registers initialisation from golden values.
exynos:
- device tree changes
- fimc block support
Otherwise:
- bunches of fixes all over the place."
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (513 commits)
qxl: update to new idr interfaces.
drm/nouveau: fix build with nv50->nvc0
drm/radeon: fix handling of v6 power tables
drm/radeon: clarify family checks in pm table parsing
drm/radeon: consolidate UVD clock programming
drm/radeon: fix UPLL_REF_DIV_MASK definition
radeon: add bo tracking debugfs
drm/radeon: add new richland pci ids
drm/radeon: add some new SI PCI ids
drm/radeon: fix scratch reg handling for UVD fence
drm/radeon: allocate SA bo in the requested domain
drm/radeon: fix possible segfault when parsing pm tables
drm/radeon: fix endian bugs in atom_allocate_fb_scratch()
OMAPDSS: TFP410: return EPROBE_DEFER if the i2c adapter not found
OMAPDSS: VENC: Add error handling for venc_probe_pdata
OMAPDSS: HDMI: Add error handling for hdmi_probe_pdata
OMAPDSS: RFBI: Add error handling for rfbi_probe_pdata
OMAPDSS: DSI: Add error handling for dsi_probe_pdata
OMAPDSS: SDI: Add error handling for sdi_probe_pdata
OMAPDSS: DPI: Add error handling for dpi_probe_pdata
...
Merge the fixes for the server driver dirty update paths
* server-fixes:
drm/cirrus: deal with bo reserve fail in dirty update path
drm/ast: deal with bo reserve fail in dirty update path
drm/mgag200: deal with bo reserve fail in dirty update path
* Compilation fix when DSI is disabled in Kconfig
* Basic deferred probe support to fix DT boot
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Merge tag 'omapdss-for-3.10-fixes' of git://gitorious.org/linux-omap-dss2/linux into drm-next
OMAPDSS fixes for 3.10:
* Compilation fix when DSI is disabled in Kconfig
* Basic deferred probe support to fix DT boot
* tag 'omapdss-for-3.10-fixes' of git://gitorious.org/linux-omap-dss2/linux:
OMAPDSS: TFP410: return EPROBE_DEFER if the i2c adapter not found
OMAPDSS: VENC: Add error handling for venc_probe_pdata
OMAPDSS: HDMI: Add error handling for hdmi_probe_pdata
OMAPDSS: RFBI: Add error handling for rfbi_probe_pdata
OMAPDSS: DSI: Add error handling for dsi_probe_pdata
OMAPDSS: SDI: Add error handling for sdi_probe_pdata
OMAPDSS: DPI: Add error handling for dpi_probe_pdata
OMAPDSS: VENC: use platform_driver_register()
OMAPDSS: HDMI: use platform_driver_register()
OMAPDSS: RFBI: use platform_driver_register()
OMAPDSS: DSI: use platform_driver_register()
OMAPDSS: SDI: use platform_driver_register()
OMAPDSS: DPI: use platform_driver_register()
OMAPFB: defer probe if no displays
OMAPFB: use module_platform_driver()
OMAPDSS: Makefile: move omapfb after panels
OMAPDSS: DPI: fix compilation if DSI not compiled in
Just some fixes that have accumulated over the last couple of
weeks and some new PCI ids.
* 'drm-next-3.10-2' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: fix handling of v6 power tables
drm/radeon: clarify family checks in pm table parsing
drm/radeon: consolidate UVD clock programming
drm/radeon: fix UPLL_REF_DIV_MASK definition
radeon: add bo tracking debugfs
drm/radeon: add new richland pci ids
drm/radeon: add some new SI PCI ids
drm/radeon: fix scratch reg handling for UVD fence
drm/radeon: allocate SA bo in the requested domain
drm/radeon: fix possible segfault when parsing pm tables
drm/radeon: fix endian bugs in atom_allocate_fb_scratch()
This patch corrects the expected data transfer size of the
command UPIU. The current implementation of cmd->transfersize
is wrong as it probably equal to sector size. With this
implementation the transfer size is updated correctly
Reported-by: KOBAYASHI Yoshitake <yoshitake.kobayashi@toshiba.co.jp>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Namjae Jeon <linkinjeon@gmail.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Tested-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Santosh Yaraganavi <santoshsy@gmail.com>
Signed-off-by: Vinayak Holikatti <vinholikatti@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Some arrays synchronize their full non volatile cache when the sd driver sends
a SYNCHRONIZE CACHE command. Unfortunately, they can have Terrabytes of this
and we send a SYNCHRONIZE CACHE for every barrier if an array reports it has a
writeback cache. This leads to massive slowdowns on journalled filesystems.
The fix is to allow userspace to turn off the writeback cache setting as a
temporary measure (i.e. without doing the MODE SELECT to write it back to the
device), so even though the device reported it has a writeback cache, the
user, knowing that the cache is non volatile and all they care about is
filesystem correctness, can turn that bit off in the kernel and avoid the
performance ruinous (and safety irrelevant) SYNCHRONIZE CACHE commands.
The way you do this is add a 'temporary' prefix when performing the usual
cache setting operations, so
echo temporary write through > /sys/class/scsi_disk/<disk>/cache_type
Reported-by: Ric Wheeler <rwheeler@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Found by 0 day test project
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Armen Baloyan <armen.baloyan@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
provisioning map (map_storep) is a bitmap accessed by bitops.
So the allocation size should be a multiple of sizeof(unsigned long) and
also the bitmap should be cleared by using bitmap_clear() instead of
memset().
Otherwise it will cause problem on big-endian architecture if the number of
bits is not a multiple of BITS_PER_LONG.
I tried testing the logical block provisioning support in scsi_debug,
but it didn't work as I expected.
For example, load scsi_debug module with UNMAP command supported
and fill the storage with random data.
# modprobe scsi_debug lbpu=1
# dd if=/dev/urandom of=/dev/sdb
Then, try to unmap LBA 0, but Get LBA status reports:
# sg_unmap --lba=0 --num=1 /dev/sdb
# sg_get_lba_status --lba=0 /dev/sdb
descriptor LBA: 0x0000000000000000 blocks: 16384 mapped
This is unexpected result. Because UNMAP command to LBA 0 finished
without any errors, but Get LBA status shows that LBA 0 is still mapped.
This problem is due to the wrong translation between LBA and index of
provisioning map. Fix it by using correct translation functions.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
The function unmap_region() clears memory region specified as the logical
block address and the number of logical blocks in ramdisk storage
(fake_storep) if lbpu and lbprz module parameters are enabled.
In the while loop of unmap_region(), it advances optimal unmap granularity
in logical blocks. But it only clears one logical block at LBA 'block' per
loop iteration. And furthermore, the 'block' is not pointing to a logical
block address which should be cleared, it is a index of probisioning map
(map_storep).
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
scsi_debug prohibits setting scsi_debug_unmap_alignment to be greater
than scsi_debug_unmap_granularity. But setting them to be the same value
is not prohibited. In this case, the only difference with
scsi_debug_unmap_alignment == 0 is the logical blocks from 0 to
scsi_debug_unmap_alignment - 1 cannot be unmapped. But the difference is
not properly handled in the current code.
So this prohibits such unusual setting.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
If the logical block provisioning is not enabled, map_region() and
unmap_region() have no effect and they don't need to be called.
So this makes map_region() and unmap_region() to be called only
when scsi_debug_lbp() returns true, i.e. logical block provisioning is
enabled.
While I'm at it, this also removes meaningless non-zero check for
scsi_debug_unmap_granularity.
Because scsi_debug_unmap_granularity cannot be zero with usual setting:
scsi_debug_unmap_granularity is 1 by default, and it can be changed to
zero with explicit module parameter setting only when the logical block
provisioning is disabled. But it is only meaningful module parameter
when the logical block provisioning is enabled.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
It appears to me that there is a problem with handling of type 1 protection
information.
It is considering a logical block reference tag of 0xffffffff to be an error,
but it is actually valid any time ((lba & 0xffffffff) == 0xffffffff) [for
example, 2TiB-1, 4TiB-1, 6TiB-1, etc.].
I'm going by what's written in 4.18.3 of SBC3, where there doesn't appear
to be any invalid value for the reference tag.
Signed-off-by: Jeremy Higdon <jeremy@sgi.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Driver passed the wrong IOADL address to IOA adapter. The patch
fixes the issue.
Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Fix to return -ENOMEM in the create workqueue error case
instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Pull crypto update from Herbert Xu:
- XTS mode optimisation for twofish/cast6/camellia/aes on x86
- AVX2/x86_64 implementation for blowfish/twofish/serpent/camellia
- SSSE3/AVX/AVX2 optimisations for sha256/sha512
- Added driver for SAHARA2 crypto accelerator
- Fix for GMAC when used in non-IPsec secnarios
- Added generic CMAC implementation (including IPsec glue)
- IP update for crypto/atmel
- Support for more than one device in hwrng/timeriomem
- Added Broadcom BCM2835 RNG driver
- Misc fixes
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (59 commits)
crypto: caam - fix job ring cleanup code
crypto: camellia - add AVX2/AES-NI/x86_64 assembler implementation of camellia cipher
crypto: serpent - add AVX2/x86_64 assembler implementation of serpent cipher
crypto: twofish - add AVX2/x86_64 assembler implementation of twofish cipher
crypto: blowfish - add AVX2/x86_64 implementation of blowfish cipher
crypto: tcrypt - add async cipher speed tests for blowfish
crypto: testmgr - extend camellia test-vectors for camellia-aesni/avx2
crypto: aesni_intel - fix Kconfig problem with CRYPTO_GLUE_HELPER_X86
crypto: aesni_intel - add more optimized XTS mode for x86-64
crypto: x86/camellia-aesni-avx - add more optimized XTS code
crypto: cast6-avx: use new optimized XTS code
crypto: x86/twofish-avx - use optimized XTS code
crypto: x86 - add more optimized XTS-mode for serpent-avx
xfrm: add rfc4494 AES-CMAC-96 support
crypto: add CMAC support to CryptoAPI
crypto: testmgr - add empty test vectors for null ciphers
crypto: testmgr - add AES GMAC test vectors
crypto: gcm - fix rfc4543 to handle async crypto correctly
crypto: gcm - make GMAC work when dst and src are different
hwrng: timeriomem - added devicetree hooks
...
- A quite apparent mutex fix in an untested codepath
- A compile warning fix in the plgpio driver
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Merge tag 'pinctrl-fixes-v3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl fixes from Linus Walleij:
"Two fixes to the pinctrl subsystem for v3.10:
- A quite apparent mutex fix in an untested codepath
- A compile warning fix in the plgpio driver"
* tag 'pinctrl-fixes-v3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: fix mutex deadlock in get_pinctrl_dev_from_of_node()
pinctrl: plgpio: add CONFIG_PM_SLEEP to suspend/resume functions
Pull i2c changes from Wolfram Sang:
- an arbitration driver. While the driver is quite simple, it caused
discussion if we need additional arbitration on top of the one
specified in the I2C standard. Conclusion is that I accept a few
generic mechanisms, but not very specific ones.
- the core lost the detach_adapter() call. It has no users anymore and
was in the way for other cleanups. attach_adapter() is sadly still
there since there are users waiting to be converted.
- the core gained a bus recovery infrastructure. I2C defines a way to
recover if the data line is stalled. This mechanism is now in the
core and drivers can now pass some data to make use of it.
- bigger driver cleanups for designware, s3c2410
- removing superfluous refcounting from drivers
- removing Ben Dooks as second maintainer due to inactivity. Thanks
for all your work so far, Ben!
- bugfixes, feature additions, devicetree fixups, simplifications...
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
i2c: xiic: must always write 16-bit words to TX_FIFO
i2c: octeon: use HZ in timeout value
i2c: octeon: Fix i2c fail problem when a process is terminated by a signal
i2c: designware-pci: drop superfluous {get|put}_device
i2c: designware-plat: drop superfluous {get|put}_device
i2c: davinci: drop superfluous {get|put}_device
MAINTAINERS: Ben Dooks is inactive regarding I2C
i2c: mux: Add i2c-arb-gpio-challenge 'mux' driver
i2c: at91: convert to dma_request_slave_channel_compat()
i2c: mxs: do error checking and handling in PIO mode
i2c: mxs: remove races in PIO code
i2c-designware: switch to use runtime PM autosuspend
i2c-designware: use usleep_range() in the busy-loop
i2c-designware: enable/disable the controller properly
i2c-designware: use dynamic adapter numbering on Lynxpoint
i2c-designware-pci: use managed functions pcim_* and devm_*
i2c-designware-pci: use dev_err() instead of printk()
i2c-designware: move to managed functions (devm_*)
i2c: remove CONFIG_HOTPLUG ifdefs
i2c: s3c2410: Add SMBus emulation for block read
...
I dived into lguest again, reworking the pagetable code so we can move
the switcher page: our fixmaps sometimes take more than 2MB now...
Cheers,
Rusty.
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Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull virtio & lguest updates from Rusty Russell:
"Lots of virtio work which wasn't quite ready for last merge window.
Plus I dived into lguest again, reworking the pagetable code so we can
move the switcher page: our fixmaps sometimes take more than 2MB now..."
Ugh. Annoying conflicts with the tcm_vhost -> vhost_scsi rename.
Hopefully correctly resolved.
* tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (57 commits)
caif_virtio: Remove bouncing email addresses
lguest: improve code readability in lg_cpu_start.
virtio-net: fill only rx queues which are being used
lguest: map Switcher below fixmap.
lguest: cache last cpu we ran on.
lguest: map Switcher text whenever we allocate a new pagetable.
lguest: don't share Switcher PTE pages between guests.
lguest: expost switcher_pages array (as lg_switcher_pages).
lguest: extract shadow PTE walking / allocating.
lguest: make check_gpte et. al return bool.
lguest: assume Switcher text is a single page.
lguest: rename switcher_page to switcher_pages.
lguest: remove RESERVE_MEM constant.
lguest: check vaddr not pgd for Switcher protection.
lguest: prepare to make SWITCHER_ADDR a variable.
virtio: console: replace EMFILE with EBUSY for already-open port
virtio-scsi: reset virtqueue affinity when doing cpu hotplug
virtio-scsi: introduce multiqueue support
virtio-scsi: push vq lock/unlock into virtscsi_vq_done
virtio-scsi: pass struct virtio_scsi to virtqueue completion function
...
Changes include extension to support PCI AER notification to userspace, byte granularity of PCI config space and access to unarchitected PCI config space, better protection around IOMMU driver accesses, default file mode fix, and a few misc cleanups.
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Merge tag 'vfio-for-v3.10' of git://github.com/awilliam/linux-vfio
Pull vfio updates from Alex Williamson:
"Changes include extension to support PCI AER notification to
userspace, byte granularity of PCI config space and access to
unarchitected PCI config space, better protection around IOMMU driver
accesses, default file mode fix, and a few misc cleanups."
* tag 'vfio-for-v3.10' of git://github.com/awilliam/linux-vfio:
vfio: Set container device mode
vfio: Use down_reads to protect iommu disconnects
vfio: Convert container->group_lock to rwsem
PCI/VFIO: use pcie_flags_reg instead of access PCI-E Capabilities Register
vfio-pci: Enable raw access to unassigned config space
vfio-pci: Use byte granularity in config map
vfio: make local function vfio_pci_intx_unmask_handler() static
VFIO-AER: Vfio-pci driver changes for supporting AER
VFIO: Wrapper for getting reference to vfio_device
In CPSW NAPI, after processing all interrupts IRQ is enabled and then book
keeping irq_enabled is updated. In random cases when a packet is transmitted
or received between processing packets and IRQ enabled, then just after
enabled IRQ and before irq_enabled is updated, ISR is called so IRQs are
not disabled as irq_enabled is still false and CPU gets locked in CPSW ISR.
By changing the sequence as update the irq_enabled and then enable IRQ
fixes the issue. This issue is not captured always as it is a timing issue
whether Tx or Rx IRQ is invoked between packet processing and enable IRQ.
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch only changes some names to avoid confusion.
In this patch we have:
MAX_SKB_SLOTS_DEFAULT -> FATAL_SKB_SLOTS_DEFAULT
max_skb_slots -> fatal_skb_slots
#define XEN_NETBK_LEGACY_SLOTS_MAX XEN_NETIF_NR_SLOTS_MIN
The fatal_skb_slots is the threshold to determine whether a packet is
malicious.
XEN_NETBK_LEGACY_SLOTS_MAX is the maximum slots a valid packet can have at
this point. It is defined to be XEN_NETIF_NR_SLOTS_MIN because that's
guaranteed to be supported by all backends.
Suggested-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tune xen_netbk_count_requests to not touch working array beyond limit, so that
we can make working array size constant.
Suggested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tracking down from the caller, first_idx is always equal to vif->tx.req_cons.
Remove it to avoid confusion.
Suggested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since we know that locking is broken in that case and it's more
important to not flood the dmesg with random gunk.
Cc: Dave Airlie <airlied@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
References: http://lkml.kernel.org/r/20130502000206.GH15623@pd.tnic
Cc: stable@vger.kernel.org
Reported-and-tested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
As per SPEC, INTx mode is not supported on VFs. So if enable_msix fails,
then just fail probe. Also bail out of be_open if irq_register fails.
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When RQ creation fails in be_open(), driver jumps to be_close() where
napi_disable() is done without a prior napi_enable(); leading to a hang.
This change is needed as there is no way to see if napi is enable/disabled.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Increasing the timeout value of write_object command to 60 seconds as
30 second timeout was found to be not enough for the command to complete.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a user requests Promiscuous mode on SkyHawk-R devices,
the FW enables Desparate Promiscuous mode.
Due to this, we need to explicitly enable Multicast Promiscuous mode
so that Multicast packets are received as well.
This patch fixes that.
Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The tx priority pause count is available with the driver.
But we were not showing it.
This change should fix it and display it in ethtool stats.
Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Only BE devices provide 16-bit counter for rx_drops_no_fragment.
All other devices provide a 32-bit counter for this stat.
Use the 32-bit value where available.
Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SkyHawk-R devices should use v2 of cq_create command.
BE3/BE2 devices can use version 0 of the command to create a CQ.
Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Here are vhost cleanups and fixes by Asias He and myself.
They affect both vhost-net and vhost-scsi devices.
They also *depend* on both net-next and target-pending,
where the net and target commits these changes depend on
are already merged.
So merging through the common vhost tree.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull vhost cleanups and fixes from Michael Tsirkin:
"Here are vhost cleanups and fixes by Asias He and myself. They affect
both vhost-net and vhost-scsi devices. They also *depend* on both
net-next and target-pending, where the net and target commits these
changes depend on are already merged. So merging through the common
vhost tree."
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost_scsi: module rename
tcm_vhost: header split up
vhost: src file renames
vhost: fix error handling in RESET_OWNER ioctl
tcm_vhost: remove virtio-net.h dependency
vhost: move per-vq net specific fields out to net
tcm_vhost: document inflight ref-counting use
vhost: move vhost-net zerocopy fields to net.c
tcm_vhost: Wait for pending requests in vhost_scsi_flush()
vhost: Allow device specific fields per vq
The Tilera hypervisor shipped in releases up through MDE 4.1 launches
the client operating system (i.e. Linux) at privilege level 1 (PL1).
Starting with MDE 4.2, as part of the work to enable KVM, the
Tilera hypervisor launches Linux at PL2 instead.
This commit makes the KERNEL_PL option default to 2 for tilegx, while
still saying at 1 for tilepro, which doesn't have an updated hypervisor.
It also explains how and when you might want to choose another value.
In addition, we change a small buglet in the on-chip Ethernet driver,
where we were failing to use the KERNEL_PL constant in an API call.
To make the transition cleaner, this change also provides the updated
hv_init() API for the new hypervisor that supports announcing Linux's
compiled-in PL, so the hypervisor can generate a suitable error in the
case of a mismatched hypervisor and Linux binary.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: stable@vger.linux.org
Schedule a timeout on sync commands in case the command times out and
the device is not being polled for timeouts. This prevents device removal
from hanging forever if the device has stopped responding.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
This adds support for namespaces with separate meta-data formats in the
submit io ioctl. The meta-data buffer has to be a contiguous, so such
a buffer is allocated and the mapped user pages are copied to/from this
buffer for write/read commands.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Add reset adapter after the 6th EEH errors in ipr driver. This triggers
the adapter reset via the PCI config space even when the slot is frozen.
Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Assign values using correct datatype in function qla4xxx_copy_to_fwddb_param()
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Fix following warning:
drivers/scsi/qla4xxx/ql4_os.c:5507:5:
warning: symbol 'qla4xxx_sysfs_ddb_tgt_create' was not declared. Should it be
static?
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Fix followig gcc warning:-
drivers/scsi/qla4xxx/ql4_os.c: In function ‘qla4xxx_sysfs_ddb_get_param’:
drivers/scsi/qla4xxx/ql4_os.c:6279:
warning: comparison is always true due to limited range of data type
drivers/scsi/qla4xxx/ql4_os.c:6290:
warning: comparison is always true due to limited range of data type
drivers/scsi/qla4xxx/ql4_os.c: In function ‘qla4xxx_sysfs_ddb_delete’:
drivers/scsi/qla4xxx/ql4_os.c:6593:
warning: ‘ddb_size’ may be used uninitialized in this function
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
We should unlock here before returning.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Adds support for a new VIOS feature that allows ibmvfc to
optimize terminate_rport_io by telling the VIOS the target
is no longer accessible on the fabric and that it should
not send an ABTS out on the fabric to the device.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
If attempting to abort requests due to a fail fail timeout
or error handling while the link is down, we cannot send
an abort out on the fabric. We can, however, send a cancel
to the VIOS. This fixes ibmvfc to send a cancel in this
case to prevent error handling from failing and/or
escalating.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Adds support for receiving FAST_IO_FAIL from fc_block_scsi_eh
when in error recovery. This fixes cases of devices being
taken offline when they are no longer accessible on the fabric,
preventing them from coming back online when the fabric recovers.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
The flags on a cancel operation are intended to indicate what,
if any, TMF will follow the cancel request. This fixes a case
where we were incorrectly setting the abort task set flag on
the cancel flag when we were cancelling an abort task set.
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
We have an nvme device that has a concept of a stripe size. IO requests
that do not transfer data crossing a stripe boundary has greater
performance compared to IO that does cross it. This patch sets the
stripe size for the device if the device and vendor ids match one with
this feature and splits IO requests that cross the stripe boundary.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
It is possible a bio request can not be submitted as a single NVMe IO
command if the bio_vec is not mergeable with the NVMe PRP alignement
constraints. This condition was handled by submitting an IO for the
mergeable portion then submitting a follow on IO for the remaining data
after the previous IO completes. The remainder to be sent was tracked
by manipulating the bio->bi_idx and bio->bi_sector. This patch splits
the request as many times as necessary and submits the bios together.
Since submitting the bio may cause it to be requeued on split,
nvme_resubmit_bios had to be modified to remove the wait queue when
the bio list is empty prior to submitting the bio since a split would
have added the wait queue a second time, corrupting the wait queue head
task list.
There are a few other benefits from doing this: it fixes a potential
issue with the previous handling of a non-mergeable bio as the requeuing
method could would use an unlocked nvme_queue if the callback isn't
invoked on the queue's associated cpu; it will be possible to retry a
failed bio if desired at some later time since it does not manipulate
the original bio; the bio integrity extensions require the bio to be in
its original condition for the checks to work correctly if we implement
the end-to-end data protection in the future.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
There is no situation that could occur where we could error out of this
function and require cleaning up allocated namespaces.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
The nvme_queue's depth is not set if we fail to allocate submission queue
entries, which was being used to determine how much coherent memory to
free on error. Use the depth variable instead.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Fixes a potential memory leak if requesting the admin queue irq fails.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Translates a scsi unmap request from SG_IO ioctl to NVMe
data-set-management deallocate.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Acked-by: Vishal Verma <vishal.l.verma@linux.intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Fixes nvme queue usages in scsi-to-nvme translation code to not get
a queue more often than it is being put, and not use the queue in an
unsafe way without it being locked.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Acked-by: Vishal Verma <vishal.l.verma@linux.intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Pull powerpc update from Benjamin Herrenschmidt:
"The main highlights this time around are:
- A pile of addition POWER8 bits and nits, such as updated
performance counter support (Michael Ellerman), new branch history
buffer support (Anshuman Khandual), base support for the new PCI
host bridge when not using the hypervisor (Gavin Shan) and other
random related bits and fixes from various contributors.
- Some rework of our page table format by Aneesh Kumar which fixes a
thing or two and paves the way for THP support. THP itself will
not make it this time around however.
- More Freescale updates, including Altivec support on the new e6500
cores, new PCI controller support, and a pile of new boards support
and updates.
- The usual batch of trivial cleanups & fixes"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (156 commits)
powerpc: Fix build error for book3e
powerpc: Context switch the new EBB SPRs
powerpc: Turn on the EBB H/FSCR bits
powerpc: Replace CPU_FTR_BCTAR with CPU_FTR_ARCH_207S
powerpc: Setup BHRB instructions facility in HFSCR for POWER8
powerpc: Fix interrupt range check on debug exception
powerpc: Update tlbie/tlbiel as per ISA doc
powerpc: Print page size info during boot
powerpc: print both base and actual page size on hash failure
powerpc: Fix hpte_decode to use the correct decoding for page sizes
powerpc: Decode the pte-lp-encoding bits correctly.
powerpc: Use encode avpn where we need only avpn values
powerpc: Reduce PTE table memory wastage
powerpc: Move the pte free routines from common header
powerpc: Reduce the PTE_INDEX_SIZE
powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format
powerpc: New hugepage directory format
powerpc: Don't truncate pgd_index wrongly
powerpc: Don't hard code the size of pte page
powerpc: Save DAR and DSISR in pt_regs on MCE
...
When a read for a layered image object finds the target object
doesn't exist, a read image request for the parent image is created
and submitted. When that completes, the callback routine was
not releasing that parent image request. Fix that.
The slab allocation stuff just added has greatly simplified the
search for the source of this memory leak.
This resolves:
http://tracker.ceph.com/issues/4803
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
The names of objects used for image object requests are always fixed
size. So create a slab cache to manage them. Define a new function
rbd_segment_name_free() to match rbd_segment_name() (which is what
supplies the dynamically-allocated name buffer).
This is part of:
http://tracker.ceph.com/issues/3926
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Create a slab cache to manage rbd_obj_request allocation. We aren't
using a constructor, and we'll zero-fill object request structures
when they're allocated.
This is part of:
http://tracker.ceph.com/issues/3926
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
The next patch will define a slab allocator for a object requests.
To use that we'll need to allocate the name of an object separate
from the request structure itself.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Create a slab cache to manage rbd_img_request allocation. Nothing
too fancy at this point--we'll still initialize everything at
allocation time (no constructor)
This is part of:
http://tracker.ceph.com/issues/3926
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Use bsearch(3) to make snapshot lookup by id more efficient. (There
could be thousands of snapshots, and conceivably many more.)
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
This functionality inadvertently disappeared in the last patch.
Image snapshots can get removed at just about any time. In
particular it can disappear even if it is in use by an rbd
client as a mapped image.
The rbd client deals with such a disappearance by responding to new
requests with ENXIO. This is implemented by each rbd device
maintaining an EXISTS flag, which is normally set but cleared if a
snapshot disappears.
This patch (re-)implements the clearing of that flag.
Whenever mapped image header information is refreshed, if the
mapping is for a snapshot, verify the mapped snapshot is still
present in the updated snapshot context. If it is not, clear the
flag.
It is not necessary to check this in the initial probe, because the
probe will not succeed if the snapshot doesn't exist.
This resolves:
http://tracker.ceph.com/issues/4880
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
More multiplatform enablement for ARM platforms. The ones converted in
this branch are:
- bcm2835
- cns3xxx
- sirf
- nomadik
- msx
- spear
- tegra
- ux500
We're getting close to having most of them converted!
One of the larger platforms remaining is Samsung Exynos, and there are
a bunch of supporting patches in this merge window for it. There was a
patch in this branch to a early version of multiplatform conversion,
but it ended up being reverted due to need of more bake time. The
revert commit is part of the branch since it would have required
rebasing multiple dependent branches and they were stable by then.
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Merge tag 'multiplatform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC multiplatform updates from Olof Johansson:
"More multiplatform enablement for ARM platforms. The ones converted
in this branch are:
- bcm2835
- cns3xxx
- sirf
- nomadik
- msx
- spear
- tegra
- ux500
We're getting close to having most of them converted!
One of the larger platforms remaining is Samsung Exynos, and there are
a bunch of supporting patches in this merge window for it. There was
a patch in this branch to a early version of multiplatform conversion,
but it ended up being reverted due to need of more bake time. The
revert commit is part of the branch since it would have required
rebasing multiple dependent branches and they were stable by then"
* tag 'multiplatform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (70 commits)
mmc: sdhci-s3c: Fix operation on non-single image Samsung platforms
clocksource: nomadik-mtu: fix up clocksource/timer
Revert "ARM: exynos: enable multiplatform support"
ARM: SPEAr13xx: Fix typo "ARCH_HAVE_CPUFREQ"
ARM: exynos: enable multiplatform support
rtc: s3c: make header file local
mtd: onenand/samsung: make regs-onenand.h file local
thermal/exynos: remove unnecessary header inclusions
mmc: sdhci-s3c: remove platform dependencies
ARM: samsung: move mfc device definition to s5p-dev-mfc.c
ARM: exynos: move debug-macro.S to include/debug/
ARM: exynos: prepare for sparse IRQ
ARM: exynos: introduce EXYNOS_ATAGS symbol
ARM: tegra: build assembly files with -march=armv7-a
ARM: Push selects for TWD/SCU into machine entries
ARM: ux500: build hotplug.o for ARMv7-a
ARM: ux500: move to multiplatform
ARM: ux500: make remaining headers local
ARM: ux500: make irqs.h local to platform
ARM: ux500: get rid of <mach/[hardware|db8500-regs].h>
...
This branch contains platform updates for 3.10. Among the highlights:
- Support for the new Atmel Cortex-A5 based platforms (SAMA5D3)
- New support for CSR SiRFatlas6 SoCs
- A handful of updates for NVidia T114 (a.k.a. Tegra 4)
- A bunch of updates for the shmobile platforms
- A handful of updates for davinci
- A few updates for Qualcomm MSM
- Plus a handful of other patches, defconfig updates, etc.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"This branch contains part 1 of the platform updates for 3.10. Among
the highlights:
- Support for the new Atmel Cortex-A5 based platforms (SAMA5D3)
- New support for CSR SiRFatlas6 SoCs
- A handful of updates for NVidia T114 (a.k.a. Tegra 4)
- A bunch of updates for the shmobile platforms
- A handful of updates for davinci
- A few updates for Qualcomm MSM
- Plus a handful of other patches, defconfig updates, etc."
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (135 commits)
ARM: tegra: pm: fix build error w/o PM_SLEEP
ARM: davinci: ensure global variables are declared
ARM: davinci: sram.c: fix incorrect type in assignment
ARM: davinci: da8xx dt: make file local symbols static
ARM: davinci: da8xx: add remoteproc support
ARM: socfpga: Upgrade clk driver for socfpga to make use of dts clock entries
ARM: socfpga: Add clock entries into device tree
ARM: socfpga: Enable soft reset
ARM: EXYNOS: replace cpumask by the corresponding macro
ARM: EXYNOS: handle properly the return values
ARM: EXYNOS: factor out the idle states
ARM: OMAP4: Enable fix for Cortex-A9 erratas
ARM: OMAP2+: Export SoC information to userspace
ARM: OMAP2+: SoC name and revision unification
ARM: OMAP2+: Move common part of late init into common function
ARM: tegra: pm: remove duplicated include from pm.c
ARM: davinci: da850: override mmc DT node device name
ARM: davinci: da850: add mmc DT entries
mmc: davinci_mmc: add DT support
ARM: SAMSUNG: check processor type before cache restoration in resume
...
Device-tree updates for 3.10. The bulk of the churn in this branch is due
to i.MX moving from C-defined pin control over to device tree, which is
a one-time conversion that will allow greater flexibility down the road.
Besides that, there's PCI-e bindings for Marvell mvebu platforms and a
handful of cleanups to tegra due to the new include file functionality
of the device tree compiler.
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device-tree updates from Olof Johansson:
"Part 1 of device-tree updates for 3.10. The bulk of the churn in this
branch is due to i.MX moving from C-defined pin control over to device
tree, which is a one-time conversion that will allow greater
flexibility down the road.
Besides that, there's PCI-e bindings for Marvell mvebu platforms and a
handful of cleanups to tegra due to the new include file functionality
of the device tree compiler"
* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (113 commits)
arm: mvebu: PCIe Device Tree informations for Armada XP GP
arm: mvebu: PCIe Device Tree informations for Armada 370 DB
arm: mvebu: PCIe Device Tree informations for Armada 370 Mirabox
arm: mvebu: PCIe Device Tree informations for Armada XP DB
arm: mvebu: PCIe Device Tree informations for OpenBlocks AX3-4
arm: mvebu: add PCIe Device Tree informations for Armada XP
arm: mvebu: add PCIe Device Tree informations for Armada 370
ARM: sunxi: unify osc24M_fixed and osc24M
arm: vt8500: Add SDHC support to WM8505 DT
ARM: dts: Add a 64 bits version of the skeleton device tree
ARM: mvebu: Add Device Bus and CFI flash memory support to defconfig
ARM: mvebu: Add support for NOR flash device on Openblocks AX3 board
ARM: mvebu: Add support for NOR flash device on Armada XP-GP board
ARM: mvebu: Add Device Bus support for Armada 370/XP SoC
ARM: dts: imx6dl-wandboard: Add USB Host support
ARM: dts: imx51 cpu node
ARM: dts: Add missing imx27-phytec-phycore dtb target
ARM: dts: Add NFC support for i.MX27 Phytec PCM038 module
ARM: i.MX51: Add PATA support
ARM: dts: Add initial support for Wandboard Dual-Lite
...
Currently the OF DMA code uses a spin lock to protect the of_dma_list from
concurrent access and a per controller reference count to protect the controller
from being freed while a request operation is in progress. If
of_dma_controller_free() is called for a controller who's reference count is not
zero it will return -EBUSY and not remove the controller. This is fine up until
here, but leaves the question what the caller of of_dma_controller_free() is
supposed to do if the controller couldn't be freed. The only viable solution
for the caller is to spin on of_dma_controller_free() until it returns success.
E.g.
do {
ret = of_dma_controller_free(dev->of_node)
} while (ret != -EBUSY);
This is rather ugly and unnecessary and none of the current users of
of_dma_controller_free() check it's return value anyway. Instead protect the
list by a mutex. The mutex will be held as long as a request operation is in
progress. So if of_dma_controller_free() is called while a request operation is
in progress it will be put to sleep and only wake up once the request operation
has finished.
This means that it is no longer possible to register or unregister OF DMA
controllers from a context where it's not possible to sleep. But I doubt that
we'll ever need this.
Also rename of_dma_get_controller back to of_dma_find_controller.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
of_dma_request_slave_channel() currently does not drop the reference to the
dma_spec of_node if no DMA controller matching the of_node could be found. This
patch fixes it by always calling of_node_put().
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Here is a collection of cleanup patches. Among the pieces that stand out are:
- The deletion of h720x platforms
- Split of at91 non-dt platforms to their own Kconfig file to keep them separate
- General cleanups and refactoring of i.MX and MXS platforms
- Some restructuring of clock tables for OMAP
- Convertion of PMC driver for Tegra to dt-only
- Some renames of sunxi -> sun4i (Allwinner A10)
- ... plus a bunch of other stuff that I haven't mentioned
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanup from Olof Johansson:
"Here is a collection of cleanup patches. Among the pieces that stand
out are:
- The deletion of h720x platforms
- Split of at91 non-dt platforms to their own Kconfig file to keep
them separate
- General cleanups and refactoring of i.MX and MXS platforms
- Some restructuring of clock tables for OMAP
- Convertion of PMC driver for Tegra to dt-only
- Some renames of sunxi -> sun4i (Allwinner A10)
- ... plus a bunch of other stuff that I haven't mentioned"
* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (119 commits)
ARM: i.MX: remove unused ARCH_* configs
ARM i.MX53: remove platform ahci support
ARM: sunxi: Rework the restart code
irqchip: sunxi: Rename sunxi to sun4i
irqchip: sunxi: Make use of the IRQCHIP_DECLARE macro
clocksource: sunxi: Rename sunxi to sun4i
clocksource: sunxi: make use of CLKSRC_OF
clocksource: sunxi: Cleanup the timer code
ARM: at91: remove trailing semicolon from macros
ARM: at91/setup: fix trivial typos
ARM: EXYNOS: remove "config EXYNOS_DEV_DRM"
ARM: EXYNOS: change the name of USB ohci header
ARM: SAMSUNG: Remove unnecessary code for dma
ARM: S3C24XX: Remove unused GPIO drive strength register definitions
ARM: OMAP4+: PM: Restore CPU power state to ON with clockdomain force wakeup method
ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2412
ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2410
ARM: S3C24XX: Removed unneeded dependency on ARCH_S3C24XX for boards
ARM: SAMSUNG: Fix typo "CONFIG_SAMSUNG_DEV_RTC"
ARM: S5P64X0: Fix typo "CONFIG_S5P64X0_SETUP_SDHCI"
...
Here is a collection of fixes (and some intermixed cleanups) that were
considered less important and thus not included in the later parts of
the 3.9-rc cycle.
It's a bit all over the map, contents wise. A series of ux500 fixes
and cleanups, a bunch of various fixes for OMAP and tegra, and some for
Freescale i.MX and even Qualcomm MSM.
Note that there's also a patch on this branch to globally turn off
-Wmaybe-uninitialized when building with -Os. It's been posted several
times by Arnd and no dissent was raised, but nobody seemed interested
to pick it up. So here it is, as the topmost patch.
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Merge tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-critical fixes from Olof Johansson:
"Here is a collection of fixes (and some intermixed cleanups) that were
considered less important and thus not included in the later parts of
the 3.9-rc cycle.
It's a bit all over the map, contents wise. A series of ux500 fixes
and cleanups, a bunch of various fixes for OMAP and tegra, and some
for Freescale i.MX and even Qualcomm MSM.
Note that there's also a patch on this branch to globally turn off
-Wmaybe-uninitialized when building with -Os. It's been posted
several times by Arnd and no dissent was raised, but nobody seemed
interested to pick it up. So here it is, as the topmost patch."
* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (70 commits)
Turn off -Wmaybe-uninitialized when building with -Os
ARM: orion5x: include linux/cpu.h
ARM: tegra: call cpu_do_idle from C code
ARM: u300: fix ages old copy/paste bug
ARM: OMAP2+: add dependencies on ARCH_MULTI_V6/V7
ARM: tegra: solve adr range issue with THUMB2_KERNEL enabled
ARM: tegra: fix relocation truncated error when THUMB2_KERNEL enabled
ARM: tegra: fix build error when THUMB2_KERNEL enabled
ARM: msm: Fix uncompess.h tx underrun check
ARM: vexpress: Remove A9 PMU compatible values for non-A9 platforms
ARM: cpuimx27 and mbimx27: prepend CONFIG_ to Kconfig macro
ARM: OMAP2+: fix typo "CONFIG_BRIDGE_DVFS"
ARM: OMAP1: remove "config MACH_OMAP_HTCWIZARD"
ARM: mach-imx: mach-imx6q: Fix sparse warnings
ARM: mach-imx: src: Include "common.h
ARM: mach-imx: gpc: Include "common.h"
ARM: mach-imx: avic: Staticize *avic_base
ARM: mach-imx: tzic: Staticize *tzic_base
ARM: mach-imx: clk: Include "clk.h"
ARM: mach-imx: clk-busy: Staticize clk_busy_mux_ops
...
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Command Window value from the CQE was used to calculate the
max_cmdsn for that session.The command window value extracted
for SKH-R adapter was not proper. The value was extracted from
BE adapter completion event. Fixed the issue by getting the
cmd_wnd value from SKH-R CQE.
The exp_cmdsn and max_cmdsn values were not converted to BE format
before calling the __iscsi_complete_pdu(). Fixed the issue of converting
to BE format.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
if we initilize dma driver by module_init, there are still many devices
which will be initilized earlier than dma. these devices will fail to
get dma channel.
this moves dmaengine earlier than device_initcall and make dma available
for all devices.
Reported-by: Renwei Wu <Renwei.Wu@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
The driver creates "NAPI" context per core which is fine,
however the above routine declares the ret variable as static!
Thus there is only one instance of this variable!
When this routine is called from more than one thread of execution,
than the result is unpredictable.
static unsigned int ret;
.....
ret = beiscsi_process_cq(pbe_eq);
<--------Another thread can enter here and change "ret".
if (ret < budget) {
....
}
<--------Another thread can enter here and change "ret".
return ret;
Fix - remove the "static"
Signed-off-by: Shlomo Pongratz <shlomop@mellanox.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Before tyring to establish a CXN with the target, check if the adapter is in
a stable state
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Number of CID assigned to a function from adapter can be dynamic. The CID count
for each function was fixed number before. Code Fix done so that adapters with
fixed/dynamic CID count will work with the driver.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
When target send a NOP-IN with valid TTT, driver issues a NOP-OUT
and the task was not freed from driver. The task list available for
the session used to run out, and as no more task list were available
no more iSCSI commands were exchanged on that session.
This patches fixed the issue, by calling iscsi_put_task.
Signed-off-by: Minh Tran <minhduc.tran@emulex.com>
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Check the Logical Link status also as part of the port link status.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This patch fixes the displaying of number of active
sessions in use.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
The bus rescan process was called simultaneously on
every device failure. This finally leads into race
conditions (double device add/remove actions).
This patch protects the rescan area by mutual exclusion
and improves ap_config_timer handling
Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
The mgmt_hba_attributes structure declared was not proper and
because of that the FW response returned for the MBX_CMD was not
matching. This issue went unnoticed as mgmt_hba_attribs structure
members were never used in the code path.
This fix of displaying the FW version had to change the mgmt_hba_attrib
structure also. The latest driver will also work with the older FW as
the issue was in the driver declaration.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Fix support for DEFQ extension which will be used by latest
adapters
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Fixed the code flow based on the MACRO defined to check for
adapter.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Free CXN specific resource held by driver when login redirection
or connection retry happens. Login redirection was failing
because WRB/SGL were not allocated from the CID on which
doorbell was rung.
Fixed the issue raised by MikeC
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This patch limits the max number of msix vectors to 32.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
- Check Ready Bit before posting the BMBX Hi Address
- Fix the parameters passed to beiscsi_mccq_compl
in beiscsi_open_conn()
- Fix tag value check in beiscsi_ep_connect.
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
When MBX command fails with insufficent buffer, check for the
response lenght returned. Return success if response length
is non-zero value which indicates valid data.
Signed-off-by: Minh Tran <minhduc.tran@emulex.com>
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This patch sends uninitialize pattern to FW during driver unload
which is expected by FW for cleanup
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
We need to store PROTO_ERR_IMPL_LOGO (26) things here, but the
first element isn't used so the array should have 27 elements.
This matches fwevt_to_rnevt[] which has 27 elements.
The patch solves a Smatch static checker warning on my system:
drivers/scsi/csiostor/csio_rnode.c:880 csio_rnode_fwevt_handler()
error: buffer overflow '(rn)->stats.n_evt_fw' 26 <= 26
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Naresh Kumar Inna <naresh@chelsio.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
When IO is successfully completed while an abort is pending, eh_abort
incorrectly assumes that abort failed and performes recovery by issuing
cleanup. Howerver, cleanup timesout as the firmware has no clue about
this IO. Fix this by checking if the IO has already completed.
Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Set perf_config to 3 during firmware initialization to enable both
cached connections as well as cached tasks.
Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
If switch configured in FIP and adapter configured in non-fip mode, driver
panics while queueing FIP frame in non-existing fip_frame_queue. Added config
check before queueing FIP frame in misconfiguration case to avoid kernel panic.
Signed-off-by: Hiral Patel <hiralpat@cisco.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
FIP VLAN discovery discovers the FCoE VLAN that will be used by all other FIP
protocols as well as by the FCoE encapsulation for Fibre Channel payloads on
the established virtual link. One of the goals of FC-BB-5 was to be as
nonintrusive as possible on initiators and targets, and therefore FIP VLAN
discovery occurs in the native VLAN used by the initiator or target to
exchange Ethernet traffic. The FIP VLAN discovery protocol is the only FIP
protocol running on the native VLAN; all other FIP protocols run on the
discovered FCoE VLANs.
If an administrator has manually configured FCoE VLANs on ENodes and FCFs,
there is no need to use this protocol. FIP and FCoE will run over the
configured VLANs.
An ENode without FCoE VLANs configuration would use this automated discovery
protocol to discover over which VLANs FCoE is running.
The ENode sends a FIP VLAN discovery request to a multicast MAC address called
All-FCF-MACs, which is a multicast MAC address to which all FCFs listen.
All FCFs that can be reached in the native VLAN of the ENode are expected to
respond on the same VLAN with a response that lists one or more FCoE VLANs
that are available for the ENode's VN_Port login. This protocol has the sole
purpose of allowing the ENode to discover all the available FCoE VLANs.
Now the ENode may enable a subset of these VLANs for FCoE Running the FIP
protocol in these VLANs on a per VLAN basis. And FCoE data transactions also
would occur on this VLAN. Hence, Except for FIP VLAN discovery, all other FIP
and FCoE traffic runs on the selected FCoE VLAN. Its only the FIP VLAN
Discovery protocol that is permitted to run on the Default native VLAN of the
system.
[**** NOTE ****]
We are working on moving this feature definitions and functionality to libfcoe
module. We need this patch to be approved, as Suse is looking forward to merge
this feature in SLES 11 SP3 release. Once this patch is approved, we will
submit patch which should move vlan discovery feature to libfoce.
[Fengguang Wu <fengguang.wu@intel.com>: kmalloc cast removal]
Signed-off-by: Anantha Prakash T <atungara@cisco.com>
Signed-off-by: Hiral Patel <hiralpat@cisco.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
We actually care about the chip family rather than the
DCE version although functionally they are the same.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Instead of duplicating the code over and over again, just use a single
function to handle the clock calculations.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stupid copy & paste error over all generations.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This is to allow debugging of userspace program not freeing buffer
after, which is basicly a memory leak. This print the list of all
gem object along with their size and placement (VRAM,GTT,CPU) and
with the pid of the task that created them.
agd5f: add warning fix
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Also init the scratch reg to zero on the UVD ring.
This fixes UVD on AGP based cards.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This avoid moving the BO directly after allocating it.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Given that the memory block size is always larger or equal to
the memory increment size there is no need for a usecount anymore.
Each memory increment belongs to exactly one memory block.
So get rid of the usecount.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
The current memory detection loop will detect all present memory of
a machine. This is true even if the user specified the "mem=" parameter
on the kernel command line.
This can be a problem since the memory detection may cause a fully
populated host page table for the guest, even for those parts of the
memory that the guest will never use afterwards.
So fix this and only detect memory up to a user supplied "mem=" limit
if specified.
Reported-by: Michael Johanssen <johanssn@de.ibm.com>
Reviewed-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
The current location for mapping Virtio devices does not take
into consideration of the standby memory. This causes the failure
of mapping standby memory since the location for the mapping is
already taken by the Virtio devices. To fix the problem, we move
the location to beyond the end of standby memory.
Signed-off-by: Nick Wang <jfwang@us.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
The zcore device driver makes use of the global visible real_memory_size
variable with its odd semantics.
Since the zcore device driver already has code in place which calculates
the memory size at module load time, use that code to calculate the current
memory end value.
One user less of the odd real_memory_size variable.
Reviewed-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Provide a 'condev' keyword to cio_ignore to (un)ignore the
CCW console device.
Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Provide an 'ipldev' keyword to cio_ignore to (un)ignore the
CCW or FCP based boot device.
Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Fix using PIO transfer mode only support 8 bits transfer, doesn't support 16 bits.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
[wenyou.yang@atmel.com: submit the patch]
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Rename module and update Kconfig and Makefile.
Add alias for compatibility with old userspace
scripts if any.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Asias He <asias@redhat.com>
Acked-by: Nicholas Bellinger <nab@linux-iscsi.org>
move uapi parts to vhost.h
move .c private parts to .c itself
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Asias He <asias@redhat.com>
Acked-by: Nicholas Bellinger <nab@linux-iscsi.org>
Move tcm_vhost.c -> scsi.c
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Asias He <asias@redhat.com>
Acked-by: Nicholas Bellinger <nab@linux-iscsi.org>
Fix printk formats for dma_addr_t:
drivers/iommu/tegra-smmu.c: In function 'smmu_iommu_iova_to_phys':
>> drivers/iommu/tegra-smmu.c:774:2: warning: format '%lx' expects argument of type 'long unsigned int', but argument 4 has type 'dma_addr_t' [-Wformat]
--
drivers/iommu/tegra-gart.c: In function 'gart_iommu_iova_to_phys':
>> drivers/iommu/tegra-gart.c:298:3: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'dma_addr_t' [-Wformat]
Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
If the I2C adapter needed by the TFP410 device is not available yet,
return EPROBE_DEFER so that the device will get probed again.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add proper error handling for venc_probe_pdata(). This will cause
EPROBE_DEFER to be properly passed upwards, causing the VENC driver to be
probed again later if a resource was missing.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add proper error handling for hdmi_probe_pdata(). This will cause
EPROBE_DEFER to be properly passed upwards, causing the HDMI driver to be
probed again later if a resource was missing.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add proper error handling for rfbi_probe_pdata(). This will cause
EPROBE_DEFER to be properly passed upwards, causing the RFBI driver to be
probed again later if a resource was missing.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add proper error handling for dsi_probe_pdata(). This will cause
EPROBE_DEFER to be properly passed upwards, causing the DSI driver to be
probed again later if a resource was missing.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add proper error handling for sdi_probe_pdata(). This will cause
EPROBE_DEFER to be properly passed upwards, causing the SDI driver to be
probed again later if a resource was missing.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add proper error handling for dpi_probe_pdata(). This will cause
EPROBE_DEFER to be properly passed upwards, causing the DPI driver to be
probed again later if a resource was missing.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use platform_driver_register() instead of platform_driver_probe() so
that we can support EPROBE_DEFER.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Kent Overstreet