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Author SHA1 Message Date
Linus Torvalds 4bc871984f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Verify lengths of keys provided by the user is AF_KEY, from Kevin
    Easton.

 2) Add device ID for BCM89610 PHY. Thanks to Bhadram Varka.

 3) Add Spectre guards to some ATM code, courtesy of Gustavo A. R.
    Silva.

 4) Fix infinite loop in NSH protocol code. To Eric Dumazet we are most
    grateful for this fix.

 5) Line up /proc/net/netlink headers properly. This fix from YU Bo, we
    do appreciate.

 6) Use after free in TLS code. Once again we are blessed by the
    honorable Eric Dumazet with this fix.

 7) Fix regression in TLS code causing stalls on partial TLS records.
    This fix is bestowed upon us by Andrew Tomt.

 8) Deal with too small MTUs properly in LLC code, another great gift
    from Eric Dumazet.

 9) Handle cached route flushing properly wrt. MTU locking in ipv4, to
    Hangbin Liu we give thanks for this.

10) Fix regression in SO_BINDTODEVIC handling wrt. UDP socket demux.
    Paolo Abeni, he gave us this.

11) Range check coalescing parameters in mlx4 driver, thank you Moshe
    Shemesh.

12) Some ipv6 ICMP error handling fixes in rxrpc, from our good brother
    David Howells.

13) Fix kexec on mlx5 by freeing IRQs in shutdown path. Daniel Juergens,
    you're the best!

14) Don't send bonding RLB updates to invalid MAC addresses. Debabrata
    Benerjee saved us!

15) Uh oh, we were leaking in udp_sendmsg and ping_v4_sendmsg. The ship
    is now water tight, thanks to Andrey Ignatov.

16) IPSEC memory leak in ixgbe from Colin Ian King, man we've got holes
    everywhere!

17) Fix error path in tcf_proto_create, Jiri Pirko what would we do
    without you!

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (92 commits)
  net sched actions: fix refcnt leak in skbmod
  net: sched: fix error path in tcf_proto_create() when modules are not configured
  net sched actions: fix invalid pointer dereferencing if skbedit flags missing
  ixgbe: fix memory leak on ipsec allocation
  ixgbevf: fix ixgbevf_xmit_frame()'s return type
  ixgbe: return error on unsupported SFP module when resetting
  ice: Set rq_last_status when cleaning rq
  ipv4: fix memory leaks in udp_sendmsg, ping_v4_sendmsg
  mlxsw: core: Fix an error handling path in 'mlxsw_core_bus_device_register()'
  bonding: send learning packets for vlans on slave
  bonding: do not allow rlb updates to invalid mac
  net/mlx5e: Err if asked to offload TC match on frag being first
  net/mlx5: E-Switch, Include VF RDMA stats in vport statistics
  net/mlx5: Free IRQs in shutdown path
  rxrpc: Trace UDP transmission failure
  rxrpc: Add a tracepoint to log ICMP/ICMP6 and error messages
  rxrpc: Fix the min security level for kernel calls
  rxrpc: Fix error reception on AF_INET6 sockets
  rxrpc: Fix missing start of call timeout
  qed: fix spelling mistake: "taskelt" -> "tasklet"
  ...
2018-05-11 14:14:46 -07:00
Linus Torvalds 41e3e10823 Power management fixes for 4.17-rc5
- Restore device_may_wakeup() check in pci_enable_wake() removed
    inadvertently during the 4.13 cycle to prevent systems from
    drawing excessive power when suspended or off, among other
    things (Rafael Wysocki).
 
  - Fix pci_dev_run_wake() to properly handle devices that only can
    signal PME# when in the D3cold power state (Kai Heng Feng).
 
  - Fix the schedutil cpufreq governor to avoid using UINT_MAX
    as the new CPU frequency in some cases due to a missing check
    (Rafael Wysocki).
 
  - Remove a stale comment regarding worker kthreads from the
    schedutil cpufreq governor (Juri Lelli).
 
  - Fix a copy-paste mistake in the intel_pstate driver documentation
    (Juri Lelli).
 
  - Fix a typo in the system sleep states documentation (Jonathan
    Neuschäfer).
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Merge tag 'pm-4.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix two PCI power management regressions from the 4.13 cycle and
  one cpufreq schedutil governor bug introduced during the 4.12 cycle,
  drop a stale comment from the schedutil code and fix two mistakes in
  docs.

  Specifics:

   - Restore device_may_wakeup() check in pci_enable_wake() removed
     inadvertently during the 4.13 cycle to prevent systems from drawing
     excessive power when suspended or off, among other things (Rafael
     Wysocki).

   - Fix pci_dev_run_wake() to properly handle devices that only can
     signal PME# when in the D3cold power state (Kai Heng Feng).

   - Fix the schedutil cpufreq governor to avoid using UINT_MAX as the
     new CPU frequency in some cases due to a missing check (Rafael
     Wysocki).

   - Remove a stale comment regarding worker kthreads from the schedutil
     cpufreq governor (Juri Lelli).

   - Fix a copy-paste mistake in the intel_pstate driver documentation
     (Juri Lelli).

   - Fix a typo in the system sleep states documentation (Jonathan
     Neuschäfer)"

* tag 'pm-4.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PCI / PM: Check device_may_wakeup() in pci_enable_wake()
  PCI / PM: Always check PME wakeup capability for runtime wakeup support
  cpufreq: schedutil: Avoid using invalid next_freq
  cpufreq: schedutil: remove stale comment
  PM: docs: intel_pstate: fix Active Mode w/o HWP paragraph
  PM: docs: sleep-states: Fix a typo ("includig")
2018-05-11 09:49:02 -07:00
Linus Torvalds 94d7dbf108 - A stable fix for DM integrity to use kvfree.
- Fix for a 4.17-rc1 change to dm-bufio's buffer alignment.
 
 - Fixes for a few sparse warnings.
 
 - Remove VLA usage in DM mirror target.
 
 - Improve DM thinp Documentation for the "read_only" feature.
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Merge tag 'for-4.17/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - a stable fix for DM integrity to use kvfree

 - fix for a 4.17-rc1 change to dm-bufio's buffer alignment

 - fixes for a few sparse warnings

 - remove VLA usage in DM mirror target

 - improve DM thinp Documentation for the "read_only" feature

* tag 'for-4.17/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm thin: update Documentation to clarify when "read_only" is valid
  dm mirror: remove VLA usage
  dm: fix some sparse warnings and whitespace in dax methods
  dm cache background tracker: fix sparse warning
  dm bufio: fix buffer alignment
  dm integrity: use kvfree for kvmalloc'd memory
2018-05-10 11:42:01 -07:00
Mike Snitzer 28700a3623 dm thin: update Documentation to clarify when "read_only" is valid
Due to user confusion, clarify that it doesn't make sense to try to
create a thin-pool with "read_only" mode enabled.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2018-05-10 11:18:49 -04:00
Juri Lelli 13610c9348 PM: docs: intel_pstate: fix Active Mode w/o HWP paragraph
P-state selection algorithm (powersave or performance) is selected by
echoing the desired choice to scaling_governor sysfs attribute and not
to scaling_cur_freq (as currently stated).

Fix it.

Signed-off-by: Juri Lelli <juri.lelli@redhat.com>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-05-09 12:16:44 +02:00
Jonathan Neuschäfer c72a0ded8d PM: docs: sleep-states: Fix a typo ("includig")
Fix a typo in admin-guide/pm/sleep-states.rst.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-05-09 12:15:13 +02:00
Linus Torvalds 036db8bd96 Merge branch 'for-4.17-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
 "An earlier commit to add reset control for embedded ahci controllers
  affected some of the hardware specific drivers and got reverted for
  now.

  Other than that, just per-device workarounds and trivial changes"

* 'for-4.17-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  driver core: add __printf verification to __ata_ehi_pushv_desc
  ata: fix spelling mistake: "directon" -> "direction"
  libata: Apply NOLPM quirk for SanDisk SD7UB3Q*G1001 SSDs
  libata: Apply NOLPM quirk for SAMSUNG MZMPC128HBFU-000MV SSD
  ata: ahci: mvebu: override ahci_stop_engine for mvebu AHCI
  libahci: Allow drivers to override stop_engine
  Revert "ata: ahci-platform: add reset control support"
2018-05-08 05:40:17 -10:00
Sergei Shtylyov 7a25ac2f71 DT: net: can: rcar_canfd: document R8A77980 bindings
Document the R-Car V3H (R8A77980) SoC support in the R-Car CAN-FD bindings.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2018-05-08 10:41:38 +02:00
Sergei Shtylyov 0a4fe40efb DT: net: can: rcar_canfd: document R8A77970 bindings
Document the R-Car V3M (R8A77970) SoC support in the R-Car CAN-FD bindings.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2018-05-08 10:41:38 +02:00
Geert Uytterhoeven 1469c5f033 dt-bindings: can: rcar_can: Fix R8A7796 SoC name
R8A7796 is R-Car M3-W.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2018-05-08 10:41:38 +02:00
Linus Torvalds 76787cf4af DeviceTree fixes for 4.17:
- Fix path to display timing binding
 
 - Fix some typos in interrupt-names and clock-names
 
 - Fix a resource leak on overlay removal
 
 - Add missing documentation for R8A77965 DMA, serial, and net
 
 - Cleanup sunxi pinctrl description
 
 - Add Kieback & Peter GmbH vendor prefix
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Merge tag 'devicetree-fixes-for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull DeviceTree fixes from Rob Herring:

 - fix path to display timing binding

 - fix some typos in interrupt-names and clock-names

 - fix a resource leak on overlay removal

 - add missing documentation for R8A77965 DMA, serial, and net

 - cleanup sunxi pinctrl description

 - add Kieback & Peter GmbH vendor prefix

* tag 'devicetree-fixes-for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: panel: lvds: Fix path to display timing bindings
  dt-bindings: mvebu-uart: DT fix s/interrupts-names/interrupt-names/
  dt-bindings: meson-uart: DT fix s/clocks-names/clock-names/
  of: overlay: Stop leaking resources on overlay removal
  dtc: checks: drop warning for missing PCI bridge bus-range
  dt-bindings: dmaengine: rcar-dmac: document R8A77965 support
  dt-bindings: serial: sh-sci: Add support for r8a77965 (H)SCIF
  dt-bindings: net: ravb: Add support for r8a77965 SoC
  dt-bindings: pinctrl: sunxi: Fix reference to driver
  doc: Add vendor prefix for Kieback & Peter GmbH
2018-05-07 05:33:29 -10:00
Linus Torvalds b99dc74253 media fixes for v4.17-rc4
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Merge tag 'media/v4.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media fixes from Mauro Carvalho Chehab:

 - a trivial one-line fix addressing a PTR_ERR() getting value from a
   wrong var at imx driver

 - a patch changing my e-mail at the Kernel tree to mchehab@kernel.org.
   no code changes

* tag 'media/v4.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  MAINTAINERS & files: Canonize the e-mails I use at files
  media: imx-media-csi: Fix inconsistent IS_ERR and PTR_ERR
2018-05-04 05:38:51 -10:00
Mauro Carvalho Chehab 3259081991 MAINTAINERS & files: Canonize the e-mails I use at files
From now on, I'll start using my @kernel.org as my development e-mail.

As such, let's remove the entries that point to the old
mchehab@s-opensource.com at MAINTAINERS file.

For the files written with a copyright with mchehab@s-opensource,
let's keep Samsung on their names, using mchehab+samsung@kernel.org,
in order to keep pointing to my employer, with sponsors the work.

For the files written before I join Samsung (on July, 4 2013),
let's just use mchehab@kernel.org.

For bug reports, we can simply point to just kernel.org, as
this will reach my mchehab+samsung inbox anyway.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Brian Warner <brian.warner@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-05-04 06:21:06 -04:00
Linus Torvalds e523a2562a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Various sockmap fixes from John Fastabend (pinned map handling,
    blocking in recvmsg, double page put, error handling during redirect
    failures, etc.)

 2) Fix dead code handling in x86-64 JIT, from Gianluca Borello.

 3) Missing device put in RDS IB code, from Dag Moxnes.

 4) Don't process fast open during repair mode in TCP< from Yuchung
    Cheng.

 5) Move address/port comparison fixes in SCTP, from Xin Long.

 6) Handle add a bond slave's master into a bridge properly, from
    Hangbin Liu.

 7) IPv6 multipath code can operate on unitialized memory due to an
    assumption that the icmp header is in the linear SKB area. Fix from
    Eric Dumazet.

 8) Don't invoke do_tcp_sendpages() recursively via TLS, from Dave
    Watson.

9) Fix memory leaks in x86-64 JIT, from Daniel Borkmann.

10) RDS leaks kernel memory to userspace, from Eric Dumazet.

11) DCCP can invoke a tasklet on a freed socket, take a refcount. Also
    from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (78 commits)
  dccp: fix tasklet usage
  smc: fix sendpage() call
  net/smc: handle unregistered buffers
  net/smc: call consolidation
  qed: fix spelling mistake: "offloded" -> "offloaded"
  net/mlx5e: fix spelling mistake: "loobpack" -> "loopback"
  tcp: restore autocorking
  rds: do not leak kernel memory to user land
  qmi_wwan: do not steal interfaces from class drivers
  ipv4: fix fnhe usage by non-cached routes
  bpf: sockmap, fix error handling in redirect failures
  bpf: sockmap, zero sg_size on error when buffer is released
  bpf: sockmap, fix scatterlist update on error path in send with apply
  net_sched: fq: take care of throttled flows before reuse
  ipv6: Revert "ipv6: Allow non-gateway ECMP for IPv6"
  bpf, x64: fix memleak when not converging on calls
  bpf, x64: fix memleak when not converging after image
  net/smc: restrict non-blocking connect finish
  8139too: Use disable_irq_nosync() in rtl8139_poll_controller()
  sctp: fix the issue that the cookie-ack with auth can't get processed
  ...
2018-05-03 18:57:03 -10:00
Linus Torvalds ecd649b340 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "Just a few driver fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: atmel_mxt_ts - add missing compatible strings to OF device table
  Input: atmel_mxt_ts - fix the firmware update
  Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro
  MAINTAINERS: Rakesh Iyer can't be reached anymore
  Input: hideep_ts - fix a typo in Kconfig
  Input: alps - fix reporting pressure of v3 trackstick
  Input: leds - fix out of bound access
  Input: synaptics-rmi4 - fix an unchecked out of memory error path
2018-05-02 17:34:42 -10:00
Javier Martinez Canillas f6eeb9e548 Input: atmel_mxt_ts - add missing compatible strings to OF device table
Commit af503716ac ("i2c: core: report OF style module alias for devices
registered via OF") fixed how the I2C core reports the module alias when
devices are registered via OF.

But the atmel_mxt_ts driver only has an "atmel,maxtouch" compatible in its
OF device ID table, so if a Device Tree is using a different one, autoload
won't be working for the module (the matching works because the I2C device
ID table is used as a fallback).

So add compatible strings for each of the entries in the I2C device table.

Fixes: af503716ac ("i2c: core: report OF style module alias for devices registered via OF")
Reported-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
[dtor: document which compatibles are deprecated and should not be used]
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2018-05-01 15:51:15 -07:00
Geert Uytterhoeven f130307054 dt-bindings: panel: lvds: Fix path to display timing bindings
Fixes: 14da3ed8dd ("devicetree/bindings: display: Document common
panel properties")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2018-05-01 09:26:31 -05:00
Geert Uytterhoeven 7b240e44d0 dt-bindings: mvebu-uart: DT fix s/interrupts-names/interrupt-names/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
2018-05-01 08:18:10 -05:00
Linus Torvalds 810fb07a9b Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
 "Two fixes from the timer departement:

   - Fix a long standing issue in the NOHZ tick code which causes RB
     tree corruption, delayed timers and other malfunctions. The cause
     for this is code which modifies the expiry time of an enqueued
     hrtimer.

   - Revert the CLOCK_MONOTONIC/CLOCK_BOOTTIME unification due to
     regression reports. Seems userspace _is_ relying on the documented
     behaviour despite our hope that it wont"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Revert: Unify CLOCK_MONOTONIC and CLOCK_BOOTTIME
  tick/sched: Do not mess with an enqueued hrtimer
2018-04-29 09:03:25 -07:00
Linus Torvalds a97d8efd9d Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:

 - two driver fixes

 - better parameter check for the core

 - Documentation updates

 - part of a tree-wide HAS_DMA cleanup

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: sprd: Fix the i2c count issue
  i2c: sprd: Prevent i2c accesses after suspend is called
  i2c: dev: prevent ZERO_SIZE_PTR deref in i2cdev_ioctl_rdwr()
  Documentation/i2c: adopt kernel commenting style in examples
  Documentation/i2c: sync docs with current state of i2c-tools
  Documentation/i2c: whitespace cleanup
  i2c: Remove depends on HAS_DMA in case of platform dependency
2018-04-28 10:06:16 -07:00
Linus Torvalds 46dc111dfe KVM fixes for v4.17-rc3
ARM:
  - PSCI selection API, a leftover from 4.16 (for stable)
  - Kick vcpu on active interrupt affinity change
  - Plug a VMID allocation race on oversubscribed systems
  - Silence debug messages
  - Update Christoffer's email address (linaro -> arm)
 
 x86:
  - Expose userspace-relevant bits of a newly added feature
  - Fix TLB flushing on VMX with VPID, but without EPT
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rMerge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Radim Krčmář:
 "ARM:
   - PSCI selection API, a leftover from 4.16 (for stable)
   - Kick vcpu on active interrupt affinity change
   - Plug a VMID allocation race on oversubscribed systems
   - Silence debug messages
   - Update Christoffer's email address (linaro -> arm)

  x86:
   - Expose userspace-relevant bits of a newly added feature
   - Fix TLB flushing on VMX with VPID, but without EPT"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  x86/headers/UAPI: Move DISABLE_EXITS KVM capability bits to the UAPI
  kvm: apic: Flush TLB after APIC mode/address change if VPIDs are in use
  arm/arm64: KVM: Add PSCI version selection API
  KVM: arm/arm64: vgic: Kick new VCPU on interrupt migration
  arm64: KVM: Demote SVE and LORegion warnings to debug only
  MAINTAINERS: Update e-mail address for Christoffer Dall
  KVM: arm/arm64: Close VMID generation race
2018-04-27 16:13:31 -07:00
Geert Uytterhoeven 779857e187 dt-bindings: meson-uart: DT fix s/clocks-names/clock-names/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2018-04-27 16:53:35 -05:00
Linus Torvalds ee3748be5c Driver core fixes for 4.17-rc3
Here are some small driver core and firmware fixes for 4.17-rc3
 
 There's a kobject WARN() removal to make syzkaller a lot happier about
 some "normal" error paths that it keeps hitting, which should reduce the
 number of false-positives we have been getting recently.
 
 There's also some fimware test and documentation fixes, and the
 coredump() function signature change that needed to happen after -rc1
 before drivers started to take advantage of it.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg Kroah-Hartman:
 "Here are some small driver core and firmware fixes for 4.17-rc3

  There's a kobject WARN() removal to make syzkaller a lot happier about
  some "normal" error paths that it keeps hitting, which should reduce
  the number of false-positives we have been getting recently.

  There's also some fimware test and documentation fixes, and the
  coredump() function signature change that needed to happen after -rc1
  before drivers started to take advantage of it.

  All of these have been in linux-next with no reported issues"

* tag 'driver-core-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  firmware: some documentation fixes
  selftests:firmware: fixes a call to a wrong function name
  kobject: don't use WARN for registration failures
  firmware: Fix firmware documentation for recent file renames
  test_firmware: fix setting old custom fw path back on exit, second try
  test_firmware: Install all scripts
  drivers: change struct device_driver::coredump() return type to void
2018-04-27 10:12:20 -07:00
Linus Torvalds b52c85a7b7 TTY/Serial fixes for 4.17-rc3
Here are some tty and serial driver fixes for reported issues for
 4.17-rc3.
 
 Nothing major, but a number of small things:
 	- device tree fixes/updates for serial ports
 	- earlycon fixes
 	- n_gsm fixes
 	- tty core change reverted to help resolve syszkaller reports
 	- other serial driver small fixes
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here are some tty and serial driver fixes for reported issues for
  4.17-rc3.

  Nothing major, but a number of small things:

   - device tree fixes/updates for serial ports

   - earlycon fixes

   - n_gsm fixes

   - tty core change reverted to help resolve syszkaller reports

   - other serial driver small fixes

  All of these have been in linux-next with no reported issues"

* tag 'tty-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: Use __GFP_NOFAIL for tty_ldisc_get()
  tty: serial: xuartps: Setup early console when uartclk is also passed
  tty: Don't call panic() at tty_ldisc_init()
  tty: Avoid possible error pointer dereference at tty_ldisc_restore().
  dt-bindings: mvebu-uart: DT fix s/interrupts-names/interrupt-names/
  tty: serial: qcom_geni_serial: Use signed variable to get IRQ
  earlycon: Use a pointer table to fix __earlycon_table stride
  serial: sh-sci: Document r8a77470 bindings
  dt-bindings: meson-uart: DT fix s/clocks-names/clock-names/
  serial: imx: fix cached UCR2 read on software reset
  serial: imx: warn user when using unsupported configuration
  serial: mvebu-uart: Fix local flags handling on termios update
  tty: n_gsm: Fix DLCI handling for ADM mode if debug & 2 is not set
  tty: n_gsm: Fix long delays with control frame timeouts in ADM mode
2018-04-27 10:03:38 -07:00
Linus Torvalds 79a17dd9d2 Staging fixes for 4.17-rc3
Here are 2 staging driver fixups for 4.17-rc3.
 
 The first is the remaining stragglers of the irda code removal that you
 pointed out during the merge window.  The second is a fix for the
 wilc1000 driver due to a patch that got merged in 4.17-rc1.
 
 Both of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging fixes from Greg KH:
 "Here are two staging driver fixups for 4.17-rc3.

  The first is the remaining stragglers of the irda code removal that
  you pointed out during the merge window. The second is a fix for the
  wilc1000 driver due to a patch that got merged in 4.17-rc1.

  Both of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: wilc1000: fix NULL pointer exception in host_int_parse_assoc_resp_info()
  staging: irda: remove remaining remants of irda code removal
2018-04-27 09:37:12 -07:00
Linus Torvalds 1993cbf06a USB fixes for 4.17-rc3
Here are a number of USB driver fixes for reported problems for
 4.17-rc3.
 
 The "largest" here is a number of phy core changes for reported problems
 with the -rc1 release.  There's also the usual musb and xhci fixes, as
 well as new device id updates.  There are also some usbip fixes for
 reported problems as more people start to use that code with containers.
 
 All of these have been in linux-next with no reported issues, except the
 last few new device ids, which are "obviously correct" :)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of USB driver fixes for reported problems for
  4.17-rc3.

  The "largest" here is a number of phy core changes for reported
  problems with the -rc1 release. There's also the usual musb and xhci
  fixes, as well as new device id updates. There are also some usbip
  fixes for reported problems as more people start to use that code with
  containers.

  All of these have been in linux-next with no reported issues, except
  the last few new device ids, which are "obviously correct" :)"

* tag 'usb-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
  USB: musb: dsps: drop duplicate phy initialisation
  USB: musb: host: prevent core phy initialisation
  usb: core: phy: add the SPDX-License-Identifier and include guard
  xhci: Fix Kernel oops in xhci dbgtty
  usb: select USB_COMMON for usb role switch config
  usb: core: phy: add missing forward declaration for "struct device"
  usb: core: phy: make it a no-op if CONFIG_GENERIC_PHY is disabled
  usb: core: use phy_exit during suspend if wake up is not supported
  usb: core: split usb_phy_roothub_{init,alloc}
  usb: core: phy: fix return value of usb_phy_roothub_exit()
  usb: typec: ucsi: Increase command completion timeout value
  Revert "xhci: plat: Register shutdown for xhci_plat"
  usb: core: Add quirk for HP v222w 16GB Mini
  Documentation: typec.rst: Use literal-block element with ascii art
  usb: typec: ucsi: fix tracepoint related build error
  usbip: usbip_event: fix to not print kernel pointer address
  usbip: usbip_host: fix to hold parent lock for device_attach() calls
  usbip: vhci_hcd: Fix usb device and sockfd leaks
  usbip: vhci_hcd: check rhport before using in vhci_hub_control()
  USB: Increment wakeup count on remote wakeup.
  ...
2018-04-27 09:32:20 -07:00
Jan Kiszka 83ef4777f5 of: overlay: Stop leaking resources on overlay removal
Only the overlay notifier callbacks have a chance to potentially get
hold of references to those two resources, but they are not supposed to
store them beyond OF_OVERLAY_POST_REMOVE.

Document the overlay notifier API, its constraint regarding pointer
lifetime, and then remove intentional leaks of ovcs->overlay_tree and
ovcs->fdt from free_overlay_changeset.

See also https://lkml.org/lkml/2018/4/23/1063 and following.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2018-04-26 21:18:13 -05:00
Thomas Gleixner a3ed0e4393 Revert: Unify CLOCK_MONOTONIC and CLOCK_BOOTTIME
Revert commits

92af4dcb4e ("tracing: Unify the "boot" and "mono" tracing clocks")
127bfa5f43 ("hrtimer: Unify MONOTONIC and BOOTTIME clock behavior")
7250a4047a ("posix-timers: Unify MONOTONIC and BOOTTIME clock behavior")
d6c7270e91 ("timekeeping: Remove boot time specific code")
f2d6fdbfd2 ("Input: Evdev - unify MONOTONIC and BOOTTIME clock behavior")
d6ed449afd ("timekeeping: Make the MONOTONIC clock behave like the BOOTTIME clock")
72199320d4 ("timekeeping: Add the new CLOCK_MONOTONIC_ACTIVE clock")

As stated in the pull request for the unification of CLOCK_MONOTONIC and
CLOCK_BOOTTIME, it was clear that we might have to revert the change.

As reported by several folks systemd and other applications rely on the
documented behaviour of CLOCK_MONOTONIC on Linux and break with the above
changes. After resume daemons time out and other timeout related issues are
observed. Rafael compiled this list:

* systemd kills daemons on resume, after >WatchdogSec seconds
  of suspending (Genki Sky).  [Verified that that's because systemd uses
  CLOCK_MONOTONIC and expects it to not include the suspend time.]

* systemd-journald misbehaves after resume:
  systemd-journald[7266]: File /var/log/journal/016627c3c4784cd4812d4b7e96a34226/system.journal
corrupted or uncleanly shut down, renaming and replacing.
  (Mike Galbraith).

* NetworkManager reports "networking disabled" and networking is broken
  after resume 50% of the time (Pavel).  [May be because of systemd.]

* MATE desktop dims the display and starts the screensaver right after
  system resume (Pavel).

* Full system hang during resume (me).  [May be due to systemd or NM or both.]

That happens on debian and open suse systems.

It's sad, that these problems were neither catched in -next nor by those
folks who expressed interest in this change.

Reported-by: Rafael J. Wysocki <rjw@rjwysocki.net>
Reported-by: Genki Sky <sky@genki.is>,
Reported-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kevin Easton <kevin@guarana.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Salyzyn <salyzyn@android.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
2018-04-26 14:53:32 +02:00
Andres Rodriguez b93815d0f3 firmware: some documentation fixes
Including:
 - Fixup outdated kernel-doc paths
 - Slightly too short title underline
 - Some typos

Signed-off-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-25 18:37:20 +02:00
Radim Krčmář 06e22bb6fa KVM/arm fixes for 4.17, take #1
- PSCI selection API, a leftover from 4.16
 - Kick vcpu on active interrupt affinity change
 - Plug a VMID allocation race on oversubscribed systems
 - Silence debug messages
 - Update Christoffer's email address
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Merge tag 'kvmarm-fixes-for-4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm

KVM/arm fixes for 4.17, take #1

- PSCI selection API, a leftover from 4.16
- Kick vcpu on active interrupt affinity change
- Plug a VMID allocation race on oversubscribed systems
- Silence debug messages
- Update Christoffer's email address
2018-04-25 14:16:50 +02:00
John Fastabend 514d6c1959 bpf: Document sockmap '-target bpf' requirement for PROG_TYPE_SK_MSG
BPF_PROG_TYPE_SK_MSG programs use a 'void *' for both data and the
data_end pointers. Additionally, the verifier ensures that every
accesses into the values is a __u64 read. This correctly maps on
to the BPF 64-bit architecture.

However, to ensure that when building on 32bit architectures that
clang uses correct types the '-target bpf' option _must_ be
specified. To make this clear add a note to the Documentation.

Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-04-23 23:42:21 +02:00
Hans de Goede df9267f1fb firmware: Fix firmware documentation for recent file renames
firmware_class.c was split into several files under
drivers/base/firmware_loader. The new main.c has the functions which
/request_firmware.rst references.

Acked-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-23 13:03:26 +02:00
Geert Uytterhoeven 17a16542b8 dt-bindings: mvebu-uart: DT fix s/interrupts-names/interrupt-names/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-23 10:27:49 +02:00
Biju Das ef9604b622 serial: sh-sci: Document r8a77470 bindings
RZ/G1C (R8A77470) SoC also has the R-Car gen2 compatible SCIF and HSCIF
ports, so document the SoC specific bindings.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-23 09:59:16 +02:00
Geert Uytterhoeven 34df2466b4 dt-bindings: meson-uart: DT fix s/clocks-names/clock-names/
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-23 09:55:49 +02:00
Heikki Krogerus 1acc85d82f Documentation: typec.rst: Use literal-block element with ascii art
Using reStructuredText literal-block element with ascii-art.
That prevents the ascii art from being processed as
reStructuredText.

Reported-by: Masanari Iida <standby24x7@gmail.com>
Fixes: bdecb33af3 ("usb: typec: API for controlling USB Type-C Multiplexers")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Tested-by: Jani Nikula <jani.nikula@intel.com>
Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22 14:45:12 +02:00
Linus Torvalds 83beed7b2b Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
Pull thermal fixes from Eduardo Valentin:
 "A couple of fixes for the thermal subsystem"

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
  dt-bindings: thermal: Remove "cooling-{min|max}-level" properties
  dt-bindings: thermal: remove no longer needed samsung thermal properties
2018-04-20 10:56:32 -07:00
Linus Torvalds a72db42cee Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Unbalanced refcounting in TIPC, from Jon Maloy.

 2) Only allow TCP_MD5SIG to be set on sockets in close or listen state.
    Once the connection is established it makes no sense to change this.
    From Eric Dumazet.

 3) Missing attribute validation in neigh_dump_table(), also from Eric
    Dumazet.

 4) Fix address comparisons in SCTP, from Xin Long.

 5) Neigh proxy table clearing can deadlock, from Wolfgang Bumiller.

 6) Fix tunnel refcounting in l2tp, from Guillaume Nault.

 7) Fix double list insert in team driver, from Paolo Abeni.

 8) af_vsock.ko module was accidently made unremovable, from Stefan
    Hajnoczi.

 9) Fix reference to freed llc_sap object in llc stack, from Cong Wang.

10) Don't assume netdevice struct is DMA'able memory in virtio_net
    driver, from Michael S. Tsirkin.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (62 commits)
  net/smc: fix shutdown in state SMC_LISTEN
  bnxt_en: Fix memory fault in bnxt_ethtool_init()
  virtio_net: sparse annotation fix
  virtio_net: fix adding vids on big-endian
  virtio_net: split out ctrl buffer
  net: hns: Avoid action name truncation
  docs: ip-sysctl.txt: fix name of some ipv6 variables
  vmxnet3: fix incorrect dereference when rxvlan is disabled
  llc: hold llc_sap before release_sock()
  MAINTAINERS: Direct networking documentation changes to netdev
  atm: iphase: fix spelling mistake: "Tansmit" -> "Transmit"
  net: qmi_wwan: add Wistron Neweb D19Q1
  net: caif: fix spelling mistake "UKNOWN" -> "UNKNOWN"
  net: stmmac: Disable ACS Feature for GMAC >= 4
  net: mvpp2: Fix DMA address mask size
  net: change the comment of dev_mc_init
  net: qualcomm: rmnet: Fix warning seen with fill_info
  tun: fix vlan packet truncation
  tipc: fix infinite loop when dumping link monitor summary
  tipc: fix use-after-free in tipc_nametbl_stop
  ...
2018-04-20 09:34:39 -07:00
Linus Torvalds 41e3bef52e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
Pull livepatching fix from Jiri Kosina:
 "Shadow variable API list_head initialization fix from Petr Mladek"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
  livepatch: Allow to call a custom callback when freeing shadow variables
  livepatch: Initialize shadow variables safely by a custom callback
2018-04-20 08:51:55 -07:00
Marc Zyngier 85bd0ba1ff arm/arm64: KVM: Add PSCI version selection API
Although we've implemented PSCI 0.1, 0.2 and 1.0, we expose either 0.1
or 1.0 to a guest, defaulting to the latest version of the PSCI
implementation that is compatible with the requested version. This is
no different from doing a firmware upgrade on KVM.

But in order to give a chance to hypothetical badly implemented guests
that would have a fit by discovering something other than PSCI 0.2,
let's provide a new API that allows userspace to pick one particular
version of the API.

This is implemented as a new class of "firmware" registers, where
we expose the PSCI version. This allows the PSCI version to be
save/restored as part of a guest migration, and also set to
any supported version if the guest requires it.

Cc: stable@vger.kernel.org #4.16
Reviewed-by: Christoffer Dall <cdall@kernel.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2018-04-20 16:32:23 +01:00
Gregory CLEMENT 3ae2da7b28 usb: host: xhci-plat: Fix clock resource by adding a register clock
On Armada 7K/8K we need to explicitly enable the register clock. This
clock is optional because not all the SoCs using this IP need it but at
least for Armada 7K/8K it is actually mandatory.

The change was done at xhci-plat level and not at a xhci-mvebu.c because,
it is expected that other SoC would have this kind of constraint.

The binding documentation is updating accordingly.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-20 16:24:20 +02:00
Olivier Gayot ab913455dd docs: ip-sysctl.txt: fix name of some ipv6 variables
The name of the following proc/sysctl entries were incorrectly
documented:

    /proc/sys/net/ipv6/conf/<interface>/max_dst_opts_number
    /proc/sys/net/ipv6/conf/<interface>/max_hbt_opts_number
    /proc/sys/net/ipv6/conf/<interface>/max_dst_opts_length
    /proc/sys/net/ipv6/conf/<interface>/max_hbt_length

Their name was set to the name of the symbol in the .data field of the
control table instead of their .proc name.

Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-19 15:20:09 -04:00
Viresh Kumar e04907dbc2 dt-bindings: thermal: Remove "cooling-{min|max}-level" properties
The "cooling-min-level" and "cooling-max-level" properties are not
parsed by any part of kernel currently and the max cooling state of a
CPU cooling device is found by referring to the cpufreq table instead.

Remove the unused bindings.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2018-04-18 07:04:28 -07:00
Bartlomiej Zolnierkiewicz 8b8b5903d5 dt-bindings: thermal: remove no longer needed samsung thermal properties
Remove documentation for longer needed samsung thermal properties.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2018-04-18 07:03:22 -07:00
Sam Hansen 40d802cb66 Documentation/i2c: adopt kernel commenting style in examples
The example I2C code is rewritten to adopt the preferred kernel block
commenting style.

Signed-off-by: Sam Hansen <hansens@google.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-04-18 10:09:44 +02:00
Sam Hansen b50cb3eaf7 Documentation/i2c: sync docs with current state of i2c-tools
Currently, Documentation/i2c/dev-interface describes the use of
i2c_smbus_* helper routines as static inlined functions provided by
linux/i2c-dev.h.  Work has been done to refactor the linux/i2c-dev.h file
in the i2c-tools project out into its own library.  As a result, these
docs have become stale.

This patch corrects the discrepancy and directs the reader to the
i2c-tools project for more information.

Signed-off-by: Sam Hansen <hansens@google.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-04-18 10:09:15 +02:00
Sam Hansen 675edea10b Documentation/i2c: whitespace cleanup
This strips trailing whitespace in Documentation/i2c/dev-interface.

Signed-off-by: Sam Hansen <hansens@google.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2018-04-18 10:07:59 +02:00
Petr Mladek 3b2c77d000 livepatch: Allow to call a custom callback when freeing shadow variables
We might need to do some actions before the shadow variable is freed.
For example, we might need to remove it from a list or free some data
that it points to.

This is already possible now. The user can get the shadow variable
by klp_shadow_get(), do the necessary actions, and then call
klp_shadow_free().

This patch allows to do it a more elegant way. The user could implement
the needed actions in a callback that is passed to klp_shadow_free()
as a parameter. The callback usually does reverse operations to
the constructor callback that can be called by klp_shadow_*alloc().

It is especially useful for klp_shadow_free_all(). There we need to do
these extra actions for each found shadow variable with the given ID.

Note that the memory used by the shadow variable itself is still released
later by rcu callback. It is needed to protect internal structures that
keep all shadow variables. But the destructor is called immediately.
The shadow variable must not be access anyway after klp_shadow_free()
is called. The user is responsible to protect this any suitable way.

Be aware that the destructor is called under klp_shadow_lock. It is
the same as for the contructor in klp_shadow_alloc().

Signed-off-by: Petr Mladek <pmladek@suse.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2018-04-17 13:42:48 +02:00
Petr Mladek e91c2518a5 livepatch: Initialize shadow variables safely by a custom callback
The existing API allows to pass a sample data to initialize the shadow
data. It works well when the data are position independent. But it fails
miserably when we need to set a pointer to the shadow structure itself.

Unfortunately, we might need to initialize the pointer surprisingly
often because of struct list_head. It is even worse because the list
might be hidden in other common structures, for example, struct mutex,
struct wait_queue_head.

For example, this was needed to fix races in ALSA sequencer. It required
to add mutex into struct snd_seq_client. See commit b3defb791b
("ALSA: seq: Make ioctls race-free") and commit d15d662e89
("ALSA: seq: Fix racy pool initializations")

This patch makes the API more safe. A custom constructor function and data
are passed to klp_shadow_*alloc() functions instead of the sample data.

Note that ctor_data are no longer a template for shadow->data. It might
point to any data that might be necessary when the constructor is called.

Also note that the constructor is called under klp_shadow_lock. It is
an internal spin_lock that synchronizes alloc() vs. get() operations,
see klp_shadow_get_or_alloc(). On one hand, this adds a risk of ABBA
deadlocks. On the other hand, it allows to do some operations safely.
For example, we could add the new structure into an existing list.
This must be done only once when the structure is allocated.

Reported-by: Nicolai Stange <nstange@suse.de>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2018-04-17 13:42:48 +02:00
Randy Dunlap 5968a70d7a textsearch: fix kernel-doc warnings and add kernel-api section
Make lib/textsearch.c usable as kernel-doc.
Add textsearch() function family to kernel-api documentation.
Fix kernel-doc warnings in <linux/textsearch.h>:
  ../include/linux/textsearch.h:65: warning: Incorrect use of kernel-doc format:
	* get_next_block - fetch next block of data
  ../include/linux/textsearch.h:82: warning: Incorrect use of kernel-doc format:
	* finish - finalize/clean a series of get_next_block() calls

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-16 18:53:13 -04:00