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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Conflicts:
	drivers/net/wireless/ath/ath9k/Kconfig
	drivers/net/xen-netback/netback.c
	net/batman-adv/bat_iv_ogm.c
	net/wireless/nl80211.c

The ath9k Kconfig conflict was a change of a Kconfig option name right
next to the deletion of another option.

The xen-netback conflict was overlapping changes involving the
handling of the notify list in xen_netbk_rx_action().

Batman conflict resolution provided by Antonio Quartulli, basically
keep everything in both conflict hunks.

The nl80211 conflict is a little more involved.  In 'net' we added a
dynamic memory allocation to nl80211_dump_wiphy() to fix a race that
Linus reported.  Meanwhile in 'net-next' the handlers were converted
to use pre and post doit handlers which use a flag to determine
whether to hold the RTNL mutex around the operation.

However, the dump handlers to not use this logic.  Instead they have
to explicitly do the locking.  There were apparent bugs in the
conversion of nl80211_dump_wiphy() in that we were not dropping the
RTNL mutex in all the return paths, and it seems we very much should
be doing so.  So I fixed that whilst handling the overlapping changes.

To simplify the initial returns, I take the RTNL mutex after we try
to allocate 'tb'.

Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
David S. Miller 2013-06-19 16:49:39 -07:00
commit d98cae64e4
369 changed files with 8017 additions and 2196 deletions

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@ -319,7 +319,10 @@ cache<0..n>
Symlink to each of the cache devices comprising this cache set.
cache_available_percent
Percentage of cache device free.
Percentage of cache device which doesn't contain dirty data, and could
potentially be used for writeback. This doesn't mean this space isn't used
for clean cached data; the unused statistic (in priority_stats) is typically
much lower.
clear_stats
Clears the statistics associated with this cache
@ -423,8 +426,11 @@ nbuckets
Total buckets in this cache
priority_stats
Statistics about how recently data in the cache has been accessed. This can
reveal your working set size.
Statistics about how recently data in the cache has been accessed.
This can reveal your working set size. Unused is the percentage of
the cache that doesn't contain any data. Metadata is bcache's
metadata overhead. Average is the average priority of cache buckets.
Next is a list of quantiles with the priority threshold of each.
written
Sum of all data that has been written to the cache; comparison with

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@ -498,12 +498,8 @@ Your cooperation is appreciated.
Each device type has 5 bits (32 minors).
13 block 8-bit MFM/RLL/IDE controller
0 = /dev/xda First XT disk whole disk
64 = /dev/xdb Second XT disk whole disk
Partitions are handled in the same way as IDE disks
(see major number 3).
13 block Previously used for the XT disk (/dev/xdN)
Deleted in kernel v3.9.
14 char Open Sound System (OSS)
0 = /dev/mixer Mixer control

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@ -1,7 +1,7 @@
Atmel AT91RM9200 Real Time Clock
Required properties:
- compatible: should be: "atmel,at91rm9200-rtc"
- compatible: should be: "atmel,at91rm9200-rtc" or "atmel,at91sam9x5-rtc"
- reg: physical base address of the controller and length of memory mapped
region.
- interrupts: rtc alarm/event interrupt

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@ -34,7 +34,7 @@ command:
After a while you will start to get messages about current status or error like
in the original code.
Note that running a new test will stop any in progress test.
Note that running a new test will not stop any in progress test.
The following command should return actual state of the test.
% cat /sys/kernel/debug/dmatest/run
@ -52,8 +52,8 @@ To wait for test done the user may perform a busy loop that checks the state.
The module parameters that is supplied to the kernel command line will be used
for the first performed test. After user gets a control, the test could be
interrupted or re-run with same or different parameters. For the details see
the above section "Part 2 - When dmatest is built as a module..."
re-run with the same or different parameters. For the details see the above
section "Part 2 - When dmatest is built as a module..."
In both cases the module parameters are used as initial values for the test case.
You always could check them at run-time by running

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@ -3351,9 +3351,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
plus one apbt timer for broadcast timer.
x86_mrst_timer=apbt_only | lapic_and_apbt
xd= [HW,XT] Original XT pre-IDE (RLL encoded) disks.
xd_geo= See header of drivers/block/xd.c.
xen_emul_unplug= [HW,X86,XEN]
Unplug Xen emulated devices
Format: [unplug0,][unplug1]

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@ -80,8 +80,6 @@ Valid names are:
/dev/sdd: -> 0x0830 (forth SCSI disk)
/dev/sde: -> 0x0840 (fifth SCSI disk)
/dev/fd : -> 0x0200 (floppy disk)
/dev/xda: -> 0x0c00 (first XT disk, unused in Linux/m68k)
/dev/xdb: -> 0x0c40 (second XT disk, unused in Linux/m68k)
The name must be followed by a decimal number, that stands for the
partition number. Internally, the value of the number is just

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@ -2895,8 +2895,8 @@ F: drivers/media/dvb-frontends/ec100*
ECRYPT FILE SYSTEM
M: Tyler Hicks <tyhicks@canonical.com>
M: Dustin Kirkland <dustin.kirkland@gazzang.com>
L: ecryptfs@vger.kernel.org
W: http://ecryptfs.org
W: https://launchpad.net/ecryptfs
S: Supported
F: Documentation/filesystems/ecryptfs.txt
@ -4453,6 +4453,16 @@ S: Maintained
F: drivers/scsi/*iscsi*
F: include/scsi/*iscsi*
ISCSI EXTENSIONS FOR RDMA (ISER) INITIATOR
M: Or Gerlitz <ogerlitz@mellanox.com>
M: Roi Dayan <roid@mellanox.com>
L: linux-rdma@vger.kernel.org
S: Supported
W: http://www.openfabrics.org
W: www.open-iscsi.org
Q: http://patchwork.kernel.org/project/linux-rdma/list/
F: drivers/infiniband/ulp/iser
ISDN SUBSYSTEM
M: Karsten Keil <isdn@linux-pingi.de>
L: isdn4linux@listserv.isdn4linux.de (subscribers-only)
@ -5761,7 +5771,7 @@ M: Matthew Wilcox <willy@linux.intel.com>
L: linux-nvme@lists.infradead.org
T: git git://git.infradead.org/users/willy/linux-nvme.git
S: Supported
F: drivers/block/nvme.c
F: drivers/block/nvme*
F: include/linux/nvme.h
OMAP SUPPORT
@ -7619,7 +7629,7 @@ F: drivers/clk/spear/
SPI SUBSYSTEM
M: Mark Brown <broonie@kernel.org>
M: Grant Likely <grant.likely@linaro.org>
L: spi-devel-general@lists.sourceforge.net
L: linux-spi@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
Q: http://patchwork.kernel.org/project/spi-devel-general/list/
S: Maintained
@ -8999,7 +9009,7 @@ S: Maintained
F: drivers/net/wireless/wl3501*
WM97XX TOUCHSCREEN DRIVERS
M: Mark Brown <broonie@opensource.wolfsonmicro.com>
M: Mark Brown <broonie@kernel.org>
M: Liam Girdwood <lrg@slimlogic.co.uk>
L: linux-input@vger.kernel.org
T: git git://opensource.wolfsonmicro.com/linux-2.6-touch
@ -9009,7 +9019,6 @@ F: drivers/input/touchscreen/*wm97*
F: include/linux/wm97xx.h
WOLFSON MICROELECTRONICS DRIVERS
M: Mark Brown <broonie@opensource.wolfsonmicro.com>
L: patches@opensource.wolfsonmicro.com
T: git git://opensource.wolfsonmicro.com/linux-2.6-asoc
T: git git://opensource.wolfsonmicro.com/linux-2.6-audioplus

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@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 10
SUBLEVEL = 0
EXTRAVERSION = -rc4
EXTRAVERSION = -rc6
NAME = Unicycling Gorilla
# *DOCUMENTATION*

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@ -124,7 +124,7 @@ KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
endif
ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj)
asflags-y := -Wa,-march=all -DZIMAGE
asflags-y := -DZIMAGE
# Supply kernel BSS size to the decompressor via a linker symbol.
KBSS_SZ = $(shell $(CROSS_COMPILE)size $(obj)/../../../../vmlinux | \

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@ -1,6 +1,8 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
#ifndef CONFIG_DEBUG_SEMIHOSTING
#include CONFIG_DEBUG_LL_INCLUDE
ENTRY(putc)
@ -10,3 +12,29 @@ ENTRY(putc)
busyuart r3, r1
mov pc, lr
ENDPROC(putc)
#else
ENTRY(putc)
adr r1, 1f
ldmia r1, {r2, r3}
add r2, r2, r1
ldr r1, [r2, r3]
strb r0, [r1]
mov r0, #0x03 @ SYS_WRITEC
ARM( svc #0x123456 )
THUMB( svc #0xab )
mov pc, lr
.align 2
1: .word _GLOBAL_OFFSET_TABLE_ - .
.word semi_writec_buf(GOT)
ENDPROC(putc)
.bss
.global semi_writec_buf
.type semi_writec_buf, %object
semi_writec_buf:
.space 4
.size semi_writec_buf, 4
#endif

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@ -11,6 +11,7 @@
#include <asm/mach-types.h>
.section ".start", "ax"
.arch armv4
__SA1100_start:

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@ -18,6 +18,7 @@
.section ".start", "ax"
.arch armv4
b __beginning
__ofw_data: .long 0 @ the number of memory blocks

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@ -11,6 +11,7 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
.arch armv7-a
/*
* Debugging stuff
*
@ -805,8 +806,8 @@ call_cache_fn: adr r12, proc_types
.align 2
.type proc_types,#object
proc_types:
.word 0x00000000 @ old ARM ID
.word 0x0000f000
.word 0x41000000 @ old ARM ID
.word 0xff00f000
mov pc, lr
THUMB( nop )
mov pc, lr

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@ -409,8 +409,8 @@
ti,hwmods = "gpmc";
reg = <0x50000000 0x2000>;
interrupts = <100>;
num-cs = <7>;
num-waitpins = <2>;
gpmc,num-cs = <7>;
gpmc,num-waitpins = <2>;
#address-cells = <2>;
#size-cells = <1>;
status = "disabled";

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@ -39,8 +39,9 @@
};
soc {
ranges = <0 0 0xd0000000 0x100000
0xf0000000 0 0xf0000000 0x1000000>;
ranges = <0 0 0xd0000000 0x100000 /* Internal registers 1MiB */
0xe0000000 0 0xe0000000 0x8100000 /* PCIe */
0xf0000000 0 0xf0000000 0x1000000 /* Device Bus, NOR 16MiB */>;
internal-regs {
serial@12000 {

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@ -27,8 +27,9 @@
};
soc {
ranges = <0 0 0xd0000000 0x100000
0xf0000000 0 0xf0000000 0x8000000>;
ranges = <0 0 0xd0000000 0x100000 /* Internal registers 1MiB */
0xe0000000 0 0xe0000000 0x8100000 /* PCIe */
0xf0000000 0 0xf0000000 0x8000000 /* Device Bus, NOR 128MiB */>;
internal-regs {
serial@12000 {

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@ -44,6 +44,7 @@
reg = <0x7e201000 0x1000>;
interrupts = <2 25>;
clock-frequency = <3000000>;
arm,primecell-periphid = <0x00241011>;
};
gpio: gpio {

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@ -141,8 +141,8 @@
#size-cells = <0>;
compatible = "fsl,imx25-cspi", "fsl,imx35-cspi";
reg = <0x43fa4000 0x4000>;
clocks = <&clks 62>;
clock-names = "ipg";
clocks = <&clks 62>, <&clks 62>;
clock-names = "ipg", "per";
interrupts = <14>;
status = "disabled";
};
@ -182,8 +182,8 @@
compatible = "fsl,imx25-cspi", "fsl,imx35-cspi";
reg = <0x50004000 0x4000>;
interrupts = <0>;
clocks = <&clks 80>;
clock-names = "ipg";
clocks = <&clks 80>, <&clks 80>;
clock-names = "ipg", "per";
status = "disabled";
};
@ -210,8 +210,8 @@
#size-cells = <0>;
compatible = "fsl,imx25-cspi", "fsl,imx35-cspi";
reg = <0x50010000 0x4000>;
clocks = <&clks 79>;
clock-names = "ipg";
clocks = <&clks 79>, <&clks 79>;
clock-names = "ipg", "per";
interrupts = <13>;
status = "disabled";
};

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@ -131,7 +131,7 @@
compatible = "fsl,imx27-cspi";
reg = <0x1000e000 0x1000>;
interrupts = <16>;
clocks = <&clks 53>, <&clks 0>;
clocks = <&clks 53>, <&clks 53>;
clock-names = "ipg", "per";
status = "disabled";
};
@ -142,7 +142,7 @@
compatible = "fsl,imx27-cspi";
reg = <0x1000f000 0x1000>;
interrupts = <15>;
clocks = <&clks 52>, <&clks 0>;
clocks = <&clks 52>, <&clks 52>;
clock-names = "ipg", "per";
status = "disabled";
};
@ -223,7 +223,7 @@
compatible = "fsl,imx27-cspi";
reg = <0x10017000 0x1000>;
interrupts = <6>;
clocks = <&clks 51>, <&clks 0>;
clocks = <&clks 51>, <&clks 51>;
clock-names = "ipg", "per";
status = "disabled";
};

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@ -631,7 +631,7 @@
compatible = "fsl,imx51-cspi", "fsl,imx35-cspi";
reg = <0x83fc0000 0x4000>;
interrupts = <38>;
clocks = <&clks 55>, <&clks 0>;
clocks = <&clks 55>, <&clks 55>;
clock-names = "ipg", "per";
status = "disabled";
};

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@ -714,7 +714,7 @@
compatible = "fsl,imx53-cspi", "fsl,imx35-cspi";
reg = <0x63fc0000 0x4000>;
interrupts = <38>;
clocks = <&clks 55>, <&clks 0>;
clocks = <&clks 55>, <&clks 55>;
clock-names = "ipg", "per";
status = "disabled";
};

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@ -56,9 +56,23 @@
};
};
&omap4_pmx_wkup {
pinctrl-names = "default";
pinctrl-0 = <
&twl6030_wkup_pins
>;
twl6030_wkup_pins: pinmux_twl6030_wkup_pins {
pinctrl-single,pins = <
0x14 0x2 /* fref_clk0_out.sys_drm_msecure OUTPUT | MODE2 */
>;
};
};
&omap4_pmx_core {
pinctrl-names = "default";
pinctrl-0 = <
&twl6030_pins
&twl6040_pins
&mcpdm_pins
&mcbsp1_pins
@ -66,6 +80,12 @@
&tpd12s015_pins
>;
twl6030_pins: pinmux_twl6030_pins {
pinctrl-single,pins = <
0x15e 0x4118 /* sys_nirq1.sys_nirq1 OMAP_WAKEUP_EN | INPUT_PULLUP | MODE0 */
>;
};
twl6040_pins: pinmux_twl6040_pins {
pinctrl-single,pins = <
0xe0 0x3 /* hdq_sio.gpio_127 OUTPUT | MODE3 */

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@ -142,9 +142,23 @@
};
};
&omap4_pmx_wkup {
pinctrl-names = "default";
pinctrl-0 = <
&twl6030_wkup_pins
>;
twl6030_wkup_pins: pinmux_twl6030_wkup_pins {
pinctrl-single,pins = <
0x14 0x2 /* fref_clk0_out.sys_drm_msecure OUTPUT | MODE2 */
>;
};
};
&omap4_pmx_core {
pinctrl-names = "default";
pinctrl-0 = <
&twl6030_pins
&twl6040_pins
&mcpdm_pins
&dmic_pins
@ -179,6 +193,12 @@
>;
};
twl6030_pins: pinmux_twl6030_pins {
pinctrl-single,pins = <
0x15e 0x4118 /* sys_nirq1.sys_nirq1 OMAP_WAKEUP_EN | INPUT_PULLUP | MODE0 */
>;
};
twl6040_pins: pinmux_twl6040_pins {
pinctrl-single,pins = <
0xe0 0x3 /* hdq_sio.gpio_127 OUTPUT | MODE3 */

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@ -538,6 +538,7 @@
interrupts = <0 41 0x4>;
ti,hwmods = "timer5";
ti,timer-dsp;
ti,timer-pwm;
};
timer6: timer@4013a000 {
@ -574,6 +575,7 @@
reg = <0x4803e000 0x80>;
interrupts = <0 45 0x4>;
ti,hwmods = "timer9";
ti,timer-pwm;
};
timer10: timer@48086000 {
@ -581,6 +583,7 @@
reg = <0x48086000 0x80>;
interrupts = <0 46 0x4>;
ti,hwmods = "timer10";
ti,timer-pwm;
};
timer11: timer@48088000 {

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@ -30,8 +30,15 @@ static inline void set_my_cpu_offset(unsigned long off)
static inline unsigned long __my_cpu_offset(void)
{
unsigned long off;
/* Read TPIDRPRW */
asm("mrc p15, 0, %0, c13, c0, 4" : "=r" (off) : : "memory");
register unsigned long *sp asm ("sp");
/*
* Read TPIDRPRW.
* We want to allow caching the value, so avoid using volatile and
* instead use a fake stack read to hazard against barrier().
*/
asm("mrc p15, 0, %0, c13, c0, 4" : "=r" (off) : "Q" (*sp));
return off;
}
#define __my_cpu_offset __my_cpu_offset()

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@ -13,6 +13,7 @@
#include <linux/cpu.h>
#include <linux/cpumask.h>
#include <linux/export.h>
#include <linux/init.h>
#include <linux/percpu.h>
#include <linux/node.h>
@ -200,6 +201,7 @@ static inline void update_cpu_power(unsigned int cpuid, unsigned int mpidr) {}
* cpu topology table
*/
struct cputopo_arm cpu_topology[NR_CPUS];
EXPORT_SYMBOL_GPL(cpu_topology);
const struct cpumask *cpu_coregroup_mask(int cpu)
{

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@ -386,6 +386,8 @@ int __init exynos_fdt_map_chipid(unsigned long node, const char *uname,
void __init exynos_init_io(struct map_desc *mach_desc, int size)
{
debug_ll_io_init();
#ifdef CONFIG_OF
if (initial_boot_params)
of_scan_flat_dt(exynos_fdt_map_chipid, NULL);

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@ -181,14 +181,14 @@ static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "osc", "dummy",
static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "pll2_bus", };
static const char *periph_sels[] = { "periph_pre", "periph_clk2", };
static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", };
static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "pll3_pfd1_540m", };
static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "periph", "pll3_pfd1_540m", };
static const char *audio_sels[] = { "pll4_post_div", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", };
static const char *gpu_axi_sels[] = { "axi", "ahb", };
static const char *gpu2d_core_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", };
static const char *gpu3d_core_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", };
static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll3_pfd0_720m", };
static const char *ipu_sels[] = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", };
static const char *ldb_di_sels[] = { "pll5_video", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", };
static const char *ldb_di_sels[] = { "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "mmdc_ch1_axi", "pll3_usb_otg", };
static const char *ipu_di_pre_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd1_540m", };
static const char *ipu1_di0_sels[] = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
static const char *ipu1_di1_sels[] = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };

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@ -41,13 +41,3 @@ void __init qnap_dt_ts219_init(void)
pm_power_off = qnap_tsx1x_power_off;
}
/* FIXME: Will not work with DT. Maybe use MPP40_GPIO? */
static int __init ts219_pci_init(void)
{
if (machine_is_ts219())
kirkwood_pcie_init(KW_PCIE0);
return 0;
}
subsys_initcall(ts219_pci_init);

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@ -22,9 +22,10 @@ static unsigned int __init kirkwood_variant(void)
kirkwood_pcie_id(&dev, &rev);
if ((dev == MV88F6281_DEV_ID && rev >= MV88F6281_REV_A0) ||
(dev == MV88F6282_DEV_ID))
if (dev == MV88F6281_DEV_ID && rev >= MV88F6281_REV_A0)
return MPP_F6281_MASK;
if (dev == MV88F6282_DEV_ID)
return MPP_F6282_MASK;
if (dev == MV88F6192_DEV_ID && rev >= MV88F6192_REV_A0)
return MPP_F6192_MASK;
if (dev == MV88F6180_DEV_ID)

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@ -32,15 +32,21 @@ ENTRY(ll_set_cpu_coherent)
/* Add CPU to SMP group - Atomic */
add r3, r0, #ARMADA_XP_CFB_CTL_REG_OFFSET
ldr r2, [r3]
1:
ldrex r2, [r3]
orr r2, r2, r1
str r2, [r3]
strex r0, r2, [r3]
cmp r0, #0
bne 1b
/* Enable coherency on CPU - Atomic */
add r3, r0, #ARMADA_XP_CFB_CFG_REG_OFFSET
ldr r2, [r3]
add r3, r3, #ARMADA_XP_CFB_CFG_REG_OFFSET
1:
ldrex r2, [r3]
orr r2, r2, r1
str r2, [r3]
strex r0, r2, [r3]
cmp r0, #0
bne 1b
dsb

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@ -20,11 +20,12 @@
#include <linux/kernel.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/io.h>
#include "clock.h"
#include "clock36xx.h"
#define to_clk_divider(_hw) container_of(_hw, struct clk_divider, hw)
/**
* omap36xx_pwrdn_clk_enable_with_hsdiv_restore - enable clocks suffering
@ -39,29 +40,28 @@
*/
int omap36xx_pwrdn_clk_enable_with_hsdiv_restore(struct clk_hw *clk)
{
struct clk_hw_omap *parent;
struct clk_divider *parent;
struct clk_hw *parent_hw;
u32 dummy_v, orig_v, clksel_shift;
u32 dummy_v, orig_v;
int ret;
/* Clear PWRDN bit of HSDIVIDER */
ret = omap2_dflt_clk_enable(clk);
parent_hw = __clk_get_hw(__clk_get_parent(clk->clk));
parent = to_clk_hw_omap(parent_hw);
parent = to_clk_divider(parent_hw);
/* Restore the dividers */
if (!ret) {
clksel_shift = __ffs(parent->clksel_mask);
orig_v = __raw_readl(parent->clksel_reg);
orig_v = __raw_readl(parent->reg);
dummy_v = orig_v;
/* Write any other value different from the Read value */
dummy_v ^= (1 << clksel_shift);
__raw_writel(dummy_v, parent->clksel_reg);
dummy_v ^= (1 << parent->shift);
__raw_writel(dummy_v, parent->reg);
/* Write the original divider */
__raw_writel(orig_v, parent->clksel_reg);
__raw_writel(orig_v, parent->reg);
}
return ret;

View File

@ -2007,6 +2007,13 @@ static struct omap_hwmod am33xx_uart1_hwmod = {
},
};
/* uart2 */
static struct omap_hwmod_dma_info uart2_edma_reqs[] = {
{ .name = "tx", .dma_req = 28, },
{ .name = "rx", .dma_req = 29, },
{ .dma_req = -1 }
};
static struct omap_hwmod_irq_info am33xx_uart2_irqs[] = {
{ .irq = 73 + OMAP_INTC_START, },
{ .irq = -1 },
@ -2018,7 +2025,7 @@ static struct omap_hwmod am33xx_uart2_hwmod = {
.clkdm_name = "l4ls_clkdm",
.flags = HWMOD_SWSUP_SIDLE_ACT,
.mpu_irqs = am33xx_uart2_irqs,
.sdma_reqs = uart1_edma_reqs,
.sdma_reqs = uart2_edma_reqs,
.main_clk = "dpll_per_m2_div4_ck",
.prcm = {
.omap4 = {

View File

@ -546,8 +546,10 @@ static void __init prcm_setup_regs(void)
/* Clear any pending PRCM interrupts */
omap2_prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
if (omap3_has_iva())
omap3_iva_idle();
/*
* We need to idle iva2_pwrdm even on am3703 with no iva2.
*/
omap3_iva_idle();
omap3_d2d_idle();
}

View File

@ -101,8 +101,10 @@ static int __init sirfsoc_of_pwrc_init(void)
struct device_node *np;
np = of_find_matching_node(NULL, pwrc_ids);
if (!np)
panic("unable to find compatible pwrc node in dtb\n");
if (!np) {
pr_err("unable to find compatible sirf pwrc node in dtb\n");
return -ENOENT;
}
/*
* pwrc behind rtciobrg is not located in memory space

View File

@ -28,8 +28,10 @@ static int __init sirfsoc_of_rstc_init(void)
struct device_node *np;
np = of_find_matching_node(NULL, rstc_ids);
if (!np)
panic("unable to find compatible rstc node in dtb\n");
if (!np) {
pr_err("unable to find compatible sirf rstc node in dtb\n");
return -ENOENT;
}
sirfsoc_rstc_base = of_iomap(np, 0);
if (!sirfsoc_rstc_base)

View File

@ -252,7 +252,7 @@ static struct sh_timer_config cmt10_platform_data = {
.name = "CMT10",
.channel_offset = 0x10,
.timer_bit = 0,
.clockevent_rating = 125,
.clockevent_rating = 80,
.clocksource_rating = 125,
};

View File

@ -374,6 +374,7 @@ static struct ab8500_regulator_reg_init ab8500_reg_init[] = {
static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
/* supplies to the display/camera */
[AB8500_LDO_AUX1] = {
.supply_regulator = "ab8500-ext-supply3",
.constraints = {
.name = "V-DISPLAY",
.min_uV = 2800000,
@ -387,6 +388,7 @@ static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
},
/* supplies to the on-board eMMC */
[AB8500_LDO_AUX2] = {
.supply_regulator = "ab8500-ext-supply3",
.constraints = {
.name = "V-eMMC1",
.min_uV = 1100000,
@ -402,6 +404,7 @@ static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = {
},
/* supply for VAUX3, supplies to SDcard slots */
[AB8500_LDO_AUX3] = {
.supply_regulator = "ab8500-ext-supply3",
.constraints = {
.name = "V-MMC-SD",
.min_uV = 1100000,

View File

@ -21,6 +21,7 @@
#include <asm/proc-fns.h>
#include "db8500-regs.h"
#include "id.h"
static atomic_t master = ATOMIC_INIT(0);
static DEFINE_SPINLOCK(master_lock);
@ -114,6 +115,9 @@ static struct cpuidle_driver ux500_idle_driver = {
int __init ux500_idle_init(void)
{
if (!(cpu_is_u8500_family() || cpu_is_ux540_family()))
return -ENODEV;
/* Configure wake up reasons */
prcmu_enable_wakeups(PRCMU_WAKEUP(ARM) | PRCMU_WAKEUP(RTC) |
PRCMU_WAKEUP(ABB));

View File

@ -66,6 +66,9 @@ uart_rd(unsigned int reg)
static void putc(int ch)
{
if (!config_enabled(CONFIG_DEBUG_LL))
return;
if (uart_rd(S3C2410_UFCON) & S3C2410_UFCON_FIFOMODE) {
int level;
@ -118,7 +121,12 @@ static void arch_decomp_error(const char *x)
#ifdef CONFIG_S3C_BOOT_UART_FORCE_FIFO
static inline void arch_enable_uart_fifo(void)
{
u32 fifocon = uart_rd(S3C2410_UFCON);
u32 fifocon;
if (!config_enabled(CONFIG_DEBUG_LL))
return;
fifocon = uart_rd(S3C2410_UFCON);
if (!(fifocon & S3C2410_UFCON_FIFOMODE)) {
fifocon |= S3C2410_UFCON_RESETBOTH;

View File

@ -16,6 +16,7 @@
#include <linux/suspend.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/of.h>
#include <linux/serial_core.h>
#include <linux/io.h>
@ -261,7 +262,8 @@ static int s3c_pm_enter(suspend_state_t state)
* require a full power-cycle)
*/
if (!any_allowed(s3c_irqwake_intmask, s3c_irqwake_intallow) &&
if (!of_have_populated_dt() &&
!any_allowed(s3c_irqwake_intmask, s3c_irqwake_intallow) &&
!any_allowed(s3c_irqwake_eintmask, s3c_irqwake_eintallow)) {
printk(KERN_ERR "%s: No wake-up sources!\n", __func__);
printk(KERN_ERR "%s: Aborting sleep\n", __func__);
@ -270,8 +272,11 @@ static int s3c_pm_enter(suspend_state_t state)
/* save all necessary core registers not covered by the drivers */
samsung_pm_save_gpios();
samsung_pm_saved_gpios();
if (!of_have_populated_dt()) {
samsung_pm_save_gpios();
samsung_pm_saved_gpios();
}
s3c_pm_save_uarts();
s3c_pm_save_core();
@ -310,8 +315,11 @@ static int s3c_pm_enter(suspend_state_t state)
s3c_pm_restore_core();
s3c_pm_restore_uarts();
samsung_pm_restore_gpios();
s3c_pm_restored_gpios();
if (!of_have_populated_dt()) {
samsung_pm_restore_gpios();
s3c_pm_restored_gpios();
}
s3c_pm_debug_init();

View File

@ -86,6 +86,7 @@ static inline int gpio_cansleep(unsigned gpio)
return gpio < MCFGPIO_PIN_MAX ? 0 : __gpio_cansleep(gpio);
}
#ifndef CONFIG_GPIOLIB
static inline int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
{
int err;
@ -105,5 +106,5 @@ static inline int gpio_request_one(unsigned gpio, unsigned long flags, const cha
return err;
}
#endif /* !CONFIG_GPIOLIB */
#endif

View File

@ -428,13 +428,16 @@ static void octeon_restart(char *command)
*/
static void octeon_kill_core(void *arg)
{
mb();
if (octeon_is_simulation()) {
/* The simulator needs the watchdog to stop for dead cores */
cvmx_write_csr(CVMX_CIU_WDOGX(cvmx_get_core_num()), 0);
if (octeon_is_simulation())
/* A break instruction causes the simulator stop a core */
asm volatile ("sync\nbreak");
}
asm volatile ("break" ::: "memory");
local_irq_disable();
/* Disable watchdog on this core. */
cvmx_write_csr(CVMX_CIU_WDOGX(cvmx_get_core_num()), 0);
/* Spin in a low power mode. */
while (true)
asm volatile ("wait" ::: "memory");
}

View File

@ -117,7 +117,7 @@ get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
if (! ((asid += ASID_INC) & ASID_MASK) ) {
if (cpu_has_vtag_icache)
flush_icache_all();
#ifdef CONFIG_VIRTUALIZATION
#ifdef CONFIG_KVM
kvm_local_flush_tlb_all(); /* start new asid cycle */
#else
local_flush_tlb_all(); /* start new asid cycle */

View File

@ -16,6 +16,38 @@
#include <asm/isadep.h>
#include <uapi/asm/ptrace.h>
/*
* This struct defines the way the registers are stored on the stack during a
* system call/exception. As usual the registers k0/k1 aren't being saved.
*/
struct pt_regs {
#ifdef CONFIG_32BIT
/* Pad bytes for argument save space on the stack. */
unsigned long pad0[6];
#endif
/* Saved main processor registers. */
unsigned long regs[32];
/* Saved special registers. */
unsigned long cp0_status;
unsigned long hi;
unsigned long lo;
#ifdef CONFIG_CPU_HAS_SMARTMIPS
unsigned long acx;
#endif
unsigned long cp0_badvaddr;
unsigned long cp0_cause;
unsigned long cp0_epc;
#ifdef CONFIG_MIPS_MT_SMTC
unsigned long cp0_tcstatus;
#endif /* CONFIG_MIPS_MT_SMTC */
#ifdef CONFIG_CPU_CAVIUM_OCTEON
unsigned long long mpl[3]; /* MTM{0,1,2} */
unsigned long long mtp[3]; /* MTP{0,1,2} */
#endif
} __aligned(8);
struct task_struct;
extern int ptrace_getregs(struct task_struct *child, __s64 __user *data);

View File

@ -58,56 +58,53 @@ struct kvm_fpu {
* bits[2..0] - Register 'sel' index.
* bits[7..3] - Register 'rd' index.
* bits[15..8] - Must be zero.
* bits[63..16] - 1 -> CP0 registers.
* bits[31..16] - 1 -> CP0 registers.
* bits[51..32] - Must be zero.
* bits[63..52] - As per linux/kvm.h
*
* Other sets registers may be added in the future. Each set would
* have its own identifier in bits[63..16].
*
* The addr field of struct kvm_one_reg must point to an aligned
* 64-bit wide location. For registers that are narrower than
* 64-bits, the value is stored in the low order bits of the location,
* and sign extended to 64-bits.
* have its own identifier in bits[31..16].
*
* The registers defined in struct kvm_regs are also accessible, the
* id values for these are below.
*/
#define KVM_REG_MIPS_R0 0
#define KVM_REG_MIPS_R1 1
#define KVM_REG_MIPS_R2 2
#define KVM_REG_MIPS_R3 3
#define KVM_REG_MIPS_R4 4
#define KVM_REG_MIPS_R5 5
#define KVM_REG_MIPS_R6 6
#define KVM_REG_MIPS_R7 7
#define KVM_REG_MIPS_R8 8
#define KVM_REG_MIPS_R9 9
#define KVM_REG_MIPS_R10 10
#define KVM_REG_MIPS_R11 11
#define KVM_REG_MIPS_R12 12
#define KVM_REG_MIPS_R13 13
#define KVM_REG_MIPS_R14 14
#define KVM_REG_MIPS_R15 15
#define KVM_REG_MIPS_R16 16
#define KVM_REG_MIPS_R17 17
#define KVM_REG_MIPS_R18 18
#define KVM_REG_MIPS_R19 19
#define KVM_REG_MIPS_R20 20
#define KVM_REG_MIPS_R21 21
#define KVM_REG_MIPS_R22 22
#define KVM_REG_MIPS_R23 23
#define KVM_REG_MIPS_R24 24
#define KVM_REG_MIPS_R25 25
#define KVM_REG_MIPS_R26 26
#define KVM_REG_MIPS_R27 27
#define KVM_REG_MIPS_R28 28
#define KVM_REG_MIPS_R29 29
#define KVM_REG_MIPS_R30 30
#define KVM_REG_MIPS_R31 31
#define KVM_REG_MIPS_R0 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 0)
#define KVM_REG_MIPS_R1 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 1)
#define KVM_REG_MIPS_R2 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 2)
#define KVM_REG_MIPS_R3 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 3)
#define KVM_REG_MIPS_R4 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 4)
#define KVM_REG_MIPS_R5 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 5)
#define KVM_REG_MIPS_R6 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 6)
#define KVM_REG_MIPS_R7 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 7)
#define KVM_REG_MIPS_R8 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 8)
#define KVM_REG_MIPS_R9 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 9)
#define KVM_REG_MIPS_R10 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 10)
#define KVM_REG_MIPS_R11 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 11)
#define KVM_REG_MIPS_R12 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 12)
#define KVM_REG_MIPS_R13 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 13)
#define KVM_REG_MIPS_R14 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 14)
#define KVM_REG_MIPS_R15 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 15)
#define KVM_REG_MIPS_R16 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 16)
#define KVM_REG_MIPS_R17 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 17)
#define KVM_REG_MIPS_R18 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 18)
#define KVM_REG_MIPS_R19 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 19)
#define KVM_REG_MIPS_R20 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 20)
#define KVM_REG_MIPS_R21 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 21)
#define KVM_REG_MIPS_R22 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 22)
#define KVM_REG_MIPS_R23 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 23)
#define KVM_REG_MIPS_R24 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 24)
#define KVM_REG_MIPS_R25 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 25)
#define KVM_REG_MIPS_R26 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 26)
#define KVM_REG_MIPS_R27 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 27)
#define KVM_REG_MIPS_R28 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 28)
#define KVM_REG_MIPS_R29 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 29)
#define KVM_REG_MIPS_R30 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 30)
#define KVM_REG_MIPS_R31 (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 31)
#define KVM_REG_MIPS_HI 32
#define KVM_REG_MIPS_LO 33
#define KVM_REG_MIPS_PC 34
#define KVM_REG_MIPS_HI (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 32)
#define KVM_REG_MIPS_LO (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 33)
#define KVM_REG_MIPS_PC (KVM_REG_MIPS | KVM_REG_SIZE_U64 | 34)
/*
* KVM MIPS specific structures and definitions

View File

@ -22,16 +22,12 @@
#define DSP_CONTROL 77
#define ACX 78
#ifndef __KERNEL__
/*
* This struct defines the way the registers are stored on the stack during a
* system call/exception. As usual the registers k0/k1 aren't being saved.
*/
struct pt_regs {
#ifdef CONFIG_32BIT
/* Pad bytes for argument save space on the stack. */
unsigned long pad0[6];
#endif
/* Saved main processor registers. */
unsigned long regs[32];
@ -39,20 +35,11 @@ struct pt_regs {
unsigned long cp0_status;
unsigned long hi;
unsigned long lo;
#ifdef CONFIG_CPU_HAS_SMARTMIPS
unsigned long acx;
#endif
unsigned long cp0_badvaddr;
unsigned long cp0_cause;
unsigned long cp0_epc;
#ifdef CONFIG_MIPS_MT_SMTC
unsigned long cp0_tcstatus;
#endif /* CONFIG_MIPS_MT_SMTC */
#ifdef CONFIG_CPU_CAVIUM_OCTEON
unsigned long long mpl[3]; /* MTM{0,1,2} */
unsigned long long mtp[3]; /* MTP{0,1,2} */
#endif
} __attribute__ ((aligned (8)));
#endif /* __KERNEL__ */
/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
#define PTRACE_GETREGS 12

View File

@ -119,4 +119,15 @@ MODULE_AUTHOR("Ralf Baechle (ralf@linux-mips.org)");
#undef TASK_SIZE
#define TASK_SIZE TASK_SIZE32
#undef cputime_to_timeval
#define cputime_to_timeval cputime_to_compat_timeval
static __inline__ void
cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value)
{
unsigned long jiffies = cputime_to_jiffies(cputime);
value->tv_usec = (jiffies % HZ) * (1000000L / HZ);
value->tv_sec = jiffies / HZ;
}
#include "../../../fs/binfmt_elf.c"

View File

@ -162,4 +162,15 @@ MODULE_AUTHOR("Ralf Baechle (ralf@linux-mips.org)");
#undef TASK_SIZE
#define TASK_SIZE TASK_SIZE32
#undef cputime_to_timeval
#define cputime_to_timeval cputime_to_compat_timeval
static __inline__ void
cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value)
{
unsigned long jiffies = cputime_to_jiffies(cputime);
value->tv_usec = (jiffies % HZ) * (1000000L / HZ);
value->tv_sec = jiffies / HZ;
}
#include "../../../fs/binfmt_elf.c"

View File

@ -25,12 +25,16 @@
#define MCOUNT_OFFSET_INSNS 4
#endif
#ifdef CONFIG_DYNAMIC_FTRACE
/* Arch override because MIPS doesn't need to run this from stop_machine() */
void arch_ftrace_update_code(int command)
{
ftrace_modify_all_code(command);
}
#endif
/*
* Check if the address is in kernel space
*

View File

@ -93,26 +93,27 @@ static void rm7k_wait_irqoff(void)
}
/*
* The Au1xxx wait is available only if using 32khz counter or
* external timer source, but specifically not CP0 Counter.
* alchemy/common/time.c may override cpu_wait!
* Au1 'wait' is only useful when the 32kHz counter is used as timer,
* since coreclock (and the cp0 counter) stops upon executing it. Only an
* interrupt can wake it, so they must be enabled before entering idle modes.
*/
static void au1k_wait(void)
{
unsigned long c0status = read_c0_status() | 1; /* irqs on */
__asm__(
" .set mips3 \n"
" cache 0x14, 0(%0) \n"
" cache 0x14, 32(%0) \n"
" sync \n"
" nop \n"
" mtc0 %1, $12 \n" /* wr c0status */
" wait \n"
" nop \n"
" nop \n"
" nop \n"
" nop \n"
" .set mips0 \n"
: : "r" (au1k_wait));
local_irq_enable();
: : "r" (au1k_wait), "r" (c0status));
}
static int __initdata nowait;

View File

@ -40,6 +40,7 @@
#include <asm/processor.h>
#include <asm/vpe.h>
#include <asm/rtlx.h>
#include <asm/setup.h>
static struct rtlx_info *rtlx;
static int major;

View File

@ -897,22 +897,24 @@ out_sigsegv:
asmlinkage void do_tr(struct pt_regs *regs)
{
unsigned int opcode, tcode = 0;
u32 opcode, tcode = 0;
u16 instr[2];
unsigned long epc = exception_epc(regs);
unsigned long epc = msk_isa16_mode(exception_epc(regs));
if ((__get_user(instr[0], (u16 __user *)msk_isa16_mode(epc))) ||
(__get_user(instr[1], (u16 __user *)msk_isa16_mode(epc + 2))))
if (get_isa16_mode(regs->cp0_epc)) {
if (__get_user(instr[0], (u16 __user *)(epc + 0)) ||
__get_user(instr[1], (u16 __user *)(epc + 2)))
goto out_sigsegv;
opcode = (instr[0] << 16) | instr[1];
/* Immediate versions don't provide a code. */
if (!(opcode & OPCODE)) {
if (get_isa16_mode(regs->cp0_epc))
/* microMIPS */
tcode = (opcode >> 12) & 0x1f;
else
tcode = ((opcode >> 6) & ((1 << 10) - 1));
opcode = (instr[0] << 16) | instr[1];
/* Immediate versions don't provide a code. */
if (!(opcode & OPCODE))
tcode = (opcode >> 12) & ((1 << 4) - 1);
} else {
if (__get_user(opcode, (u32 __user *)epc))
goto out_sigsegv;
/* Immediate versions don't provide a code. */
if (!(opcode & OPCODE))
tcode = (opcode >> 6) & ((1 << 10) - 1);
}
do_trap_or_bp(regs, tcode, "Trap");

View File

@ -485,29 +485,35 @@ kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
return -ENOIOCTLCMD;
}
#define KVM_REG_MIPS_CP0_INDEX (0x10000 + 8 * 0 + 0)
#define KVM_REG_MIPS_CP0_ENTRYLO0 (0x10000 + 8 * 2 + 0)
#define KVM_REG_MIPS_CP0_ENTRYLO1 (0x10000 + 8 * 3 + 0)
#define KVM_REG_MIPS_CP0_CONTEXT (0x10000 + 8 * 4 + 0)
#define KVM_REG_MIPS_CP0_USERLOCAL (0x10000 + 8 * 4 + 2)
#define KVM_REG_MIPS_CP0_PAGEMASK (0x10000 + 8 * 5 + 0)
#define KVM_REG_MIPS_CP0_PAGEGRAIN (0x10000 + 8 * 5 + 1)
#define KVM_REG_MIPS_CP0_WIRED (0x10000 + 8 * 6 + 0)
#define KVM_REG_MIPS_CP0_HWRENA (0x10000 + 8 * 7 + 0)
#define KVM_REG_MIPS_CP0_BADVADDR (0x10000 + 8 * 8 + 0)
#define KVM_REG_MIPS_CP0_COUNT (0x10000 + 8 * 9 + 0)
#define KVM_REG_MIPS_CP0_ENTRYHI (0x10000 + 8 * 10 + 0)
#define KVM_REG_MIPS_CP0_COMPARE (0x10000 + 8 * 11 + 0)
#define KVM_REG_MIPS_CP0_STATUS (0x10000 + 8 * 12 + 0)
#define KVM_REG_MIPS_CP0_CAUSE (0x10000 + 8 * 13 + 0)
#define KVM_REG_MIPS_CP0_EBASE (0x10000 + 8 * 15 + 1)
#define KVM_REG_MIPS_CP0_CONFIG (0x10000 + 8 * 16 + 0)
#define KVM_REG_MIPS_CP0_CONFIG1 (0x10000 + 8 * 16 + 1)
#define KVM_REG_MIPS_CP0_CONFIG2 (0x10000 + 8 * 16 + 2)
#define KVM_REG_MIPS_CP0_CONFIG3 (0x10000 + 8 * 16 + 3)
#define KVM_REG_MIPS_CP0_CONFIG7 (0x10000 + 8 * 16 + 7)
#define KVM_REG_MIPS_CP0_XCONTEXT (0x10000 + 8 * 20 + 0)
#define KVM_REG_MIPS_CP0_ERROREPC (0x10000 + 8 * 30 + 0)
#define MIPS_CP0_32(_R, _S) \
(KVM_REG_MIPS | KVM_REG_SIZE_U32 | 0x10000 | (8 * (_R) + (_S)))
#define MIPS_CP0_64(_R, _S) \
(KVM_REG_MIPS | KVM_REG_SIZE_U64 | 0x10000 | (8 * (_R) + (_S)))
#define KVM_REG_MIPS_CP0_INDEX MIPS_CP0_32(0, 0)
#define KVM_REG_MIPS_CP0_ENTRYLO0 MIPS_CP0_64(2, 0)
#define KVM_REG_MIPS_CP0_ENTRYLO1 MIPS_CP0_64(3, 0)
#define KVM_REG_MIPS_CP0_CONTEXT MIPS_CP0_64(4, 0)
#define KVM_REG_MIPS_CP0_USERLOCAL MIPS_CP0_64(4, 2)
#define KVM_REG_MIPS_CP0_PAGEMASK MIPS_CP0_32(5, 0)
#define KVM_REG_MIPS_CP0_PAGEGRAIN MIPS_CP0_32(5, 1)
#define KVM_REG_MIPS_CP0_WIRED MIPS_CP0_32(6, 0)
#define KVM_REG_MIPS_CP0_HWRENA MIPS_CP0_32(7, 0)
#define KVM_REG_MIPS_CP0_BADVADDR MIPS_CP0_64(8, 0)
#define KVM_REG_MIPS_CP0_COUNT MIPS_CP0_32(9, 0)
#define KVM_REG_MIPS_CP0_ENTRYHI MIPS_CP0_64(10, 0)
#define KVM_REG_MIPS_CP0_COMPARE MIPS_CP0_32(11, 0)
#define KVM_REG_MIPS_CP0_STATUS MIPS_CP0_32(12, 0)
#define KVM_REG_MIPS_CP0_CAUSE MIPS_CP0_32(13, 0)
#define KVM_REG_MIPS_CP0_EBASE MIPS_CP0_64(15, 1)
#define KVM_REG_MIPS_CP0_CONFIG MIPS_CP0_32(16, 0)
#define KVM_REG_MIPS_CP0_CONFIG1 MIPS_CP0_32(16, 1)
#define KVM_REG_MIPS_CP0_CONFIG2 MIPS_CP0_32(16, 2)
#define KVM_REG_MIPS_CP0_CONFIG3 MIPS_CP0_32(16, 3)
#define KVM_REG_MIPS_CP0_CONFIG7 MIPS_CP0_32(16, 7)
#define KVM_REG_MIPS_CP0_XCONTEXT MIPS_CP0_64(20, 0)
#define KVM_REG_MIPS_CP0_ERROREPC MIPS_CP0_64(30, 0)
static u64 kvm_mips_get_one_regs[] = {
KVM_REG_MIPS_R0,
@ -567,8 +573,6 @@ static u64 kvm_mips_get_one_regs[] = {
static int kvm_mips_get_reg(struct kvm_vcpu *vcpu,
const struct kvm_one_reg *reg)
{
u64 __user *uaddr = (u64 __user *)(long)reg->addr;
struct mips_coproc *cop0 = vcpu->arch.cop0;
s64 v;
@ -631,18 +635,39 @@ static int kvm_mips_get_reg(struct kvm_vcpu *vcpu,
default:
return -EINVAL;
}
return put_user(v, uaddr);
if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U64) {
u64 __user *uaddr64 = (u64 __user *)(long)reg->addr;
return put_user(v, uaddr64);
} else if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U32) {
u32 __user *uaddr32 = (u32 __user *)(long)reg->addr;
u32 v32 = (u32)v;
return put_user(v32, uaddr32);
} else {
return -EINVAL;
}
}
static int kvm_mips_set_reg(struct kvm_vcpu *vcpu,
const struct kvm_one_reg *reg)
{
u64 __user *uaddr = (u64 __user *)(long)reg->addr;
struct mips_coproc *cop0 = vcpu->arch.cop0;
u64 v;
if (get_user(v, uaddr) != 0)
return -EFAULT;
if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U64) {
u64 __user *uaddr64 = (u64 __user *)(long)reg->addr;
if (get_user(v, uaddr64) != 0)
return -EFAULT;
} else if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U32) {
u32 __user *uaddr32 = (u32 __user *)(long)reg->addr;
s32 v32;
if (get_user(v32, uaddr32) != 0)
return -EFAULT;
v = (s64)v32;
} else {
return -EINVAL;
}
switch (reg->id) {
case KVM_REG_MIPS_R0:

View File

@ -301,10 +301,6 @@ static u32 tlb_handler[128] __cpuinitdata;
static struct uasm_label labels[128] __cpuinitdata;
static struct uasm_reloc relocs[128] __cpuinitdata;
#ifdef CONFIG_64BIT
static int check_for_high_segbits __cpuinitdata;
#endif
static int check_for_high_segbits __cpuinitdata;
static unsigned int kscratch_used_mask __cpuinitdata;

View File

@ -88,7 +88,7 @@ void __init plat_mem_setup(void)
__dt_setup_arch(&__dtb_start);
if (soc_info.mem_size)
add_memory_region(soc_info.mem_base, soc_info.mem_size,
add_memory_region(soc_info.mem_base, soc_info.mem_size * SZ_1M,
BOOT_MEM_RAM);
else
detect_memory_region(soc_info.mem_base,

View File

@ -176,6 +176,7 @@ extern const char *powerpc_base_platform;
#define CPU_FTR_CFAR LONG_ASM_CONST(0x0100000000000000)
#define CPU_FTR_HAS_PPR LONG_ASM_CONST(0x0200000000000000)
#define CPU_FTR_DAWR LONG_ASM_CONST(0x0400000000000000)
#define CPU_FTR_DABRX LONG_ASM_CONST(0x0800000000000000)
#ifndef __ASSEMBLY__
@ -394,19 +395,20 @@ extern const char *powerpc_base_platform;
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_201 | \
CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \
CPU_FTR_HVMODE)
CPU_FTR_HVMODE | CPU_FTR_DABRX)
#define CPU_FTRS_POWER5 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_MMCRA | CPU_FTR_SMT | \
CPU_FTR_COHERENT_ICACHE | CPU_FTR_PURR | \
CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB)
CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_DABRX)
#define CPU_FTRS_POWER6 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_MMCRA | CPU_FTR_SMT | \
CPU_FTR_COHERENT_ICACHE | \
CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR)
CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR | \
CPU_FTR_DABRX)
#define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
CPU_FTR_MMCRA | CPU_FTR_SMT | \
@ -415,7 +417,7 @@ extern const char *powerpc_base_platform;
CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \
CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | \
CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR)
CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR | CPU_FTR_DABRX)
#define CPU_FTRS_POWER8 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
CPU_FTR_MMCRA | CPU_FTR_SMT | \
@ -430,14 +432,15 @@ extern const char *powerpc_base_platform;
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
CPU_FTR_PAUSE_ZERO | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
CPU_FTR_UNALIGNED_LD_STD)
CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_DABRX)
#define CPU_FTRS_PA6T (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \
CPU_FTR_PURR | CPU_FTR_REAL_LE)
CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX)
#define CPU_FTRS_COMPATIBLE (CPU_FTR_USE_TB | CPU_FTR_PPCAS_ARCH_V2)
#define CPU_FTRS_A2 (CPU_FTR_USE_TB | CPU_FTR_SMT | CPU_FTR_DBELL | \
CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN | CPU_FTR_ICSWX)
CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN | \
CPU_FTR_ICSWX | CPU_FTR_DABRX )
#ifdef __powerpc64__
#ifdef CONFIG_PPC_BOOK3E

View File

@ -513,7 +513,7 @@ label##_common: \
*/
#define STD_EXCEPTION_COMMON_ASYNC(trap, label, hdlr) \
EXCEPTION_COMMON(trap, label, hdlr, ret_from_except_lite, \
FINISH_NAP;RUNLATCH_ON;DISABLE_INTS)
FINISH_NAP;DISABLE_INTS;RUNLATCH_ON)
/*
* When the idle code in power4_idle puts the CPU into NAP mode,

View File

@ -54,8 +54,16 @@
#define BOOKE_INTERRUPT_DEBUG 15
/* E500 */
#define BOOKE_INTERRUPT_SPE_UNAVAIL 32
#define BOOKE_INTERRUPT_SPE_FP_DATA 33
#define BOOKE_INTERRUPT_SPE_ALTIVEC_UNAVAIL 32
#define BOOKE_INTERRUPT_SPE_FP_DATA_ALTIVEC_ASSIST 33
/*
* TODO: Unify 32-bit and 64-bit kernel exception handlers to use same defines
*/
#define BOOKE_INTERRUPT_SPE_UNAVAIL BOOKE_INTERRUPT_SPE_ALTIVEC_UNAVAIL
#define BOOKE_INTERRUPT_SPE_FP_DATA BOOKE_INTERRUPT_SPE_FP_DATA_ALTIVEC_ASSIST
#define BOOKE_INTERRUPT_ALTIVEC_UNAVAIL BOOKE_INTERRUPT_SPE_ALTIVEC_UNAVAIL
#define BOOKE_INTERRUPT_ALTIVEC_ASSIST \
BOOKE_INTERRUPT_SPE_FP_DATA_ALTIVEC_ASSIST
#define BOOKE_INTERRUPT_SPE_FP_ROUND 34
#define BOOKE_INTERRUPT_PERFORMANCE_MONITOR 35
#define BOOKE_INTERRUPT_DOORBELL 36
@ -67,10 +75,6 @@
#define BOOKE_INTERRUPT_HV_SYSCALL 40
#define BOOKE_INTERRUPT_HV_PRIV 41
/* altivec */
#define BOOKE_INTERRUPT_ALTIVEC_UNAVAIL 42
#define BOOKE_INTERRUPT_ALTIVEC_ASSIST 43
/* book3s */
#define BOOK3S_INTERRUPT_SYSTEM_RESET 0x100

View File

@ -452,8 +452,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
.mmu_features = MMU_FTRS_POWER8,
.icache_bsize = 128,
.dcache_bsize = 128,
.oprofile_type = PPC_OPROFILE_POWER4,
.oprofile_cpu_type = 0,
.oprofile_type = PPC_OPROFILE_INVALID,
.oprofile_cpu_type = "ppc64/ibm-compat-v1",
.cpu_setup = __setup_cpu_power8,
.cpu_restore = __restore_cpu_power8,
.platform = "power8",
@ -506,8 +506,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
.dcache_bsize = 128,
.num_pmcs = 6,
.pmc_type = PPC_PMC_IBM,
.oprofile_cpu_type = 0,
.oprofile_type = PPC_OPROFILE_POWER4,
.oprofile_cpu_type = "ppc64/power8",
.oprofile_type = PPC_OPROFILE_INVALID,
.cpu_setup = __setup_cpu_power8,
.cpu_restore = __restore_cpu_power8,
.platform = "power8",

View File

@ -465,20 +465,6 @@ BEGIN_FTR_SECTION
std r0, THREAD_EBBHR(r3)
mfspr r0, SPRN_EBBRR
std r0, THREAD_EBBRR(r3)
/* PMU registers made user read/(write) by EBB */
mfspr r0, SPRN_SIAR
std r0, THREAD_SIAR(r3)
mfspr r0, SPRN_SDAR
std r0, THREAD_SDAR(r3)
mfspr r0, SPRN_SIER
std r0, THREAD_SIER(r3)
mfspr r0, SPRN_MMCR0
std r0, THREAD_MMCR0(r3)
mfspr r0, SPRN_MMCR2
std r0, THREAD_MMCR2(r3)
mfspr r0, SPRN_MMCRA
std r0, THREAD_MMCRA(r3)
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
#endif
@ -581,20 +567,6 @@ BEGIN_FTR_SECTION
ld r0, THREAD_EBBRR(r4)
mtspr SPRN_EBBRR, r0
/* PMU registers made user read/(write) by EBB */
ld r0, THREAD_SIAR(r4)
mtspr SPRN_SIAR, r0
ld r0, THREAD_SDAR(r4)
mtspr SPRN_SDAR, r0
ld r0, THREAD_SIER(r4)
mtspr SPRN_SIER, r0
ld r0, THREAD_MMCR0(r4)
mtspr SPRN_MMCR0, r0
ld r0, THREAD_MMCR2(r4)
mtspr SPRN_MMCR2, r0
ld r0, THREAD_MMCRA(r4)
mtspr SPRN_MMCRA, r0
ld r0,THREAD_TAR(r4)
mtspr SPRN_TAR,r0
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)

View File

@ -454,38 +454,14 @@ BEGIN_FTR_SECTION
xori r10,r10,(MSR_FE0|MSR_FE1)
mtmsrd r10
sync
fmr 0,0
fmr 1,1
fmr 2,2
fmr 3,3
fmr 4,4
fmr 5,5
fmr 6,6
fmr 7,7
fmr 8,8
fmr 9,9
fmr 10,10
fmr 11,11
fmr 12,12
fmr 13,13
fmr 14,14
fmr 15,15
fmr 16,16
fmr 17,17
fmr 18,18
fmr 19,19
fmr 20,20
fmr 21,21
fmr 22,22
fmr 23,23
fmr 24,24
fmr 25,25
fmr 26,26
fmr 27,27
fmr 28,28
fmr 29,29
fmr 30,30
fmr 31,31
#define FMR2(n) fmr (n), (n) ; fmr n+1, n+1
#define FMR4(n) FMR2(n) ; FMR2(n+2)
#define FMR8(n) FMR4(n) ; FMR4(n+4)
#define FMR16(n) FMR8(n) ; FMR8(n+8)
#define FMR32(n) FMR16(n) ; FMR16(n+16)
FMR32(0)
FTR_SECTION_ELSE
/*
* To denormalise we need to move a copy of the register to itself.
@ -495,39 +471,25 @@ FTR_SECTION_ELSE
oris r10,r10,MSR_VSX@h
mtmsrd r10
sync
XVCPSGNDP(0,0,0)
XVCPSGNDP(1,1,1)
XVCPSGNDP(2,2,2)
XVCPSGNDP(3,3,3)
XVCPSGNDP(4,4,4)
XVCPSGNDP(5,5,5)
XVCPSGNDP(6,6,6)
XVCPSGNDP(7,7,7)
XVCPSGNDP(8,8,8)
XVCPSGNDP(9,9,9)
XVCPSGNDP(10,10,10)
XVCPSGNDP(11,11,11)
XVCPSGNDP(12,12,12)
XVCPSGNDP(13,13,13)
XVCPSGNDP(14,14,14)
XVCPSGNDP(15,15,15)
XVCPSGNDP(16,16,16)
XVCPSGNDP(17,17,17)
XVCPSGNDP(18,18,18)
XVCPSGNDP(19,19,19)
XVCPSGNDP(20,20,20)
XVCPSGNDP(21,21,21)
XVCPSGNDP(22,22,22)
XVCPSGNDP(23,23,23)
XVCPSGNDP(24,24,24)
XVCPSGNDP(25,25,25)
XVCPSGNDP(26,26,26)
XVCPSGNDP(27,27,27)
XVCPSGNDP(28,28,28)
XVCPSGNDP(29,29,29)
XVCPSGNDP(30,30,30)
XVCPSGNDP(31,31,31)
#define XVCPSGNDP2(n) XVCPSGNDP(n,n,n) ; XVCPSGNDP(n+1,n+1,n+1)
#define XVCPSGNDP4(n) XVCPSGNDP2(n) ; XVCPSGNDP2(n+2)
#define XVCPSGNDP8(n) XVCPSGNDP4(n) ; XVCPSGNDP4(n+4)
#define XVCPSGNDP16(n) XVCPSGNDP8(n) ; XVCPSGNDP8(n+8)
#define XVCPSGNDP32(n) XVCPSGNDP16(n) ; XVCPSGNDP16(n+16)
XVCPSGNDP32(0)
ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_206)
BEGIN_FTR_SECTION
b denorm_done
END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S)
/*
* To denormalise we need to move a copy of the register to itself.
* For POWER8 we need to do that for all 64 VSX registers
*/
XVCPSGNDP32(32)
denorm_done:
mtspr SPRN_HSRR0,r11
mtcrf 0x80,r9
ld r9,PACA_EXGEN+EX_R9(r13)
@ -721,7 +683,7 @@ machine_check_common:
STD_EXCEPTION_COMMON(0xb00, trap_0b, .unknown_exception)
STD_EXCEPTION_COMMON(0xd00, single_step, .single_step_exception)
STD_EXCEPTION_COMMON(0xe00, trap_0e, .unknown_exception)
STD_EXCEPTION_COMMON(0xe40, emulation_assist, .program_check_exception)
STD_EXCEPTION_COMMON(0xe40, emulation_assist, .emulation_assist_interrupt)
STD_EXCEPTION_COMMON(0xe60, hmi_exception, .unknown_exception)
#ifdef CONFIG_PPC_DOORBELL
STD_EXCEPTION_COMMON_ASYNC(0xe80, h_doorbell, .doorbell_exception)

View File

@ -162,7 +162,7 @@ notrace unsigned int __check_irq_replay(void)
* in case we also had a rollover while hard disabled
*/
local_paca->irq_happened &= ~PACA_IRQ_DEC;
if (decrementer_check_overflow())
if ((happened & PACA_IRQ_DEC) || decrementer_check_overflow())
return 0x900;
/* Finally check if an external interrupt happened */

View File

@ -827,6 +827,7 @@ static void pcibios_fixup_resources(struct pci_dev *dev)
}
for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
struct resource *res = dev->resource + i;
struct pci_bus_region reg;
if (!res->flags)
continue;
@ -835,8 +836,9 @@ static void pcibios_fixup_resources(struct pci_dev *dev)
* at 0 as unset as well, except if PCI_PROBE_ONLY is also set
* since in that case, we don't want to re-assign anything
*/
pcibios_resource_to_bus(dev, &reg, res);
if (pci_has_flag(PCI_REASSIGN_ALL_RSRC) ||
(res->start == 0 && !pci_has_flag(PCI_PROBE_ONLY))) {
(reg.start == 0 && !pci_has_flag(PCI_PROBE_ONLY))) {
/* Only print message if not re-assigning */
if (!pci_has_flag(PCI_REASSIGN_ALL_RSRC))
pr_debug("PCI:%s Resource %d %016llx-%016llx [%x] "

View File

@ -399,7 +399,8 @@ static inline int __set_dabr(unsigned long dabr, unsigned long dabrx)
static inline int __set_dabr(unsigned long dabr, unsigned long dabrx)
{
mtspr(SPRN_DABR, dabr);
mtspr(SPRN_DABRX, dabrx);
if (cpu_has_feature(CPU_FTR_DABRX))
mtspr(SPRN_DABRX, dabrx);
return 0;
}
#else
@ -1368,7 +1369,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack)
#ifdef CONFIG_PPC64
/* Called with hard IRQs off */
void __ppc64_runlatch_on(void)
void notrace __ppc64_runlatch_on(void)
{
struct thread_info *ti = current_thread_info();
unsigned long ctrl;
@ -1381,7 +1382,7 @@ void __ppc64_runlatch_on(void)
}
/* Called with hard IRQs off */
void __ppc64_runlatch_off(void)
void notrace __ppc64_runlatch_off(void)
{
struct thread_info *ti = current_thread_info();
unsigned long ctrl;

View File

@ -1165,6 +1165,16 @@ bail:
exception_exit(prev_state);
}
/*
* This occurs when running in hypervisor mode on POWER6 or later
* and an illegal instruction is encountered.
*/
void __kprobes emulation_assist_interrupt(struct pt_regs *regs)
{
regs->msr |= REASON_ILLEGAL;
program_check_exception(regs);
}
void alignment_exception(struct pt_regs *regs)
{
enum ctx_state prev_state = exception_enter();

View File

@ -441,6 +441,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu);
struct kvmppc_44x_tlbe *tlbe;
unsigned int gtlb_index;
int idx;
gtlb_index = kvmppc_get_gpr(vcpu, ra);
if (gtlb_index >= KVM44x_GUEST_TLB_SIZE) {
@ -473,6 +474,8 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
return EMULATE_FAIL;
}
idx = srcu_read_lock(&vcpu->kvm->srcu);
if (tlbe_is_host_safe(vcpu, tlbe)) {
gva_t eaddr;
gpa_t gpaddr;
@ -489,6 +492,8 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
kvmppc_mmu_map(vcpu, eaddr, gpaddr, gtlb_index);
}
srcu_read_unlock(&vcpu->kvm->srcu, idx);
trace_kvm_gtlb_write(gtlb_index, tlbe->tid, tlbe->word0, tlbe->word1,
tlbe->word2);

View File

@ -832,6 +832,18 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
{
int r = RESUME_HOST;
int s;
int idx;
#ifdef CONFIG_PPC64
WARN_ON(local_paca->irq_happened != 0);
#endif
/*
* We enter with interrupts disabled in hardware, but
* we need to call hard_irq_disable anyway to ensure that
* the software state is kept in sync.
*/
hard_irq_disable();
/* update before a new last_exit_type is rewritten */
kvmppc_update_timing_stats(vcpu);
@ -1053,6 +1065,8 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
break;
}
idx = srcu_read_lock(&vcpu->kvm->srcu);
gpaddr = kvmppc_mmu_xlate(vcpu, gtlb_index, eaddr);
gfn = gpaddr >> PAGE_SHIFT;
@ -1075,6 +1089,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
kvmppc_account_exit(vcpu, MMIO_EXITS);
}
srcu_read_unlock(&vcpu->kvm->srcu, idx);
break;
}
@ -1098,6 +1113,8 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
kvmppc_account_exit(vcpu, ITLB_VIRT_MISS_EXITS);
idx = srcu_read_lock(&vcpu->kvm->srcu);
gpaddr = kvmppc_mmu_xlate(vcpu, gtlb_index, eaddr);
gfn = gpaddr >> PAGE_SHIFT;
@ -1114,6 +1131,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_MACHINE_CHECK);
}
srcu_read_unlock(&vcpu->kvm->srcu, idx);
break;
}

View File

@ -396,6 +396,7 @@ int kvmppc_e500_emul_tlbwe(struct kvm_vcpu *vcpu)
struct kvm_book3e_206_tlb_entry *gtlbe;
int tlbsel, esel;
int recal = 0;
int idx;
tlbsel = get_tlb_tlbsel(vcpu);
esel = get_tlb_esel(vcpu, tlbsel);
@ -430,6 +431,8 @@ int kvmppc_e500_emul_tlbwe(struct kvm_vcpu *vcpu)
kvmppc_set_tlb1map_range(vcpu, gtlbe);
}
idx = srcu_read_lock(&vcpu->kvm->srcu);
/* Invalidate shadow mappings for the about-to-be-clobbered TLBE. */
if (tlbe_is_host_safe(vcpu, gtlbe)) {
u64 eaddr = get_tlb_eaddr(gtlbe);
@ -444,6 +447,8 @@ int kvmppc_e500_emul_tlbwe(struct kvm_vcpu *vcpu)
kvmppc_mmu_map(vcpu, eaddr, raddr, index_of(tlbsel, esel));
}
srcu_read_unlock(&vcpu->kvm->srcu, idx);
kvmppc_set_exit_type(vcpu, EMULATED_TLBWE_EXITS);
return EMULATE_DONE;
}

View File

@ -177,8 +177,6 @@ int kvmppc_core_check_processor_compat(void)
r = 0;
else if (strcmp(cur_cpu_spec->cpu_name, "e5500") == 0)
r = 0;
else if (strcmp(cur_cpu_spec->cpu_name, "e6500") == 0)
r = 0;
else
r = -ENOTSUPP;

View File

@ -1758,7 +1758,7 @@ static void perf_event_interrupt(struct pt_regs *regs)
}
}
}
if ((!found) && printk_ratelimit())
if (!found && !nmi && printk_ratelimit())
printk(KERN_WARNING "Can't find PMC that caused IRQ\n");
/*

View File

@ -83,7 +83,11 @@ static int pseries_eeh_init(void)
ibm_configure_pe = rtas_token("ibm,configure-pe");
ibm_configure_bridge = rtas_token("ibm,configure-bridge");
/* necessary sanity check */
/*
* Necessary sanity check. We needn't check "get-config-addr-info"
* and its variant since the old firmware probably support address
* of domain/bus/slot/function for EEH RTAS operations.
*/
if (ibm_set_eeh_option == RTAS_UNKNOWN_SERVICE) {
pr_warning("%s: RTAS service <ibm,set-eeh-option> invalid\n",
__func__);
@ -102,12 +106,6 @@ static int pseries_eeh_init(void)
pr_warning("%s: RTAS service <ibm,slot-error-detail> invalid\n",
__func__);
return -EINVAL;
} else if (ibm_get_config_addr_info2 == RTAS_UNKNOWN_SERVICE &&
ibm_get_config_addr_info == RTAS_UNKNOWN_SERVICE) {
pr_warning("%s: RTAS service <ibm,get-config-addr-info2> and "
"<ibm,get-config-addr-info> invalid\n",
__func__);
return -EINVAL;
} else if (ibm_configure_pe == RTAS_UNKNOWN_SERVICE &&
ibm_configure_bridge == RTAS_UNKNOWN_SERVICE) {
pr_warning("%s: RTAS service <ibm,configure-pe> and "

View File

@ -623,7 +623,7 @@ static inline pgste_t pgste_get_lock(pte_t *ptep)
" csg %0,%1,%2\n"
" jl 0b\n"
: "=&d" (old), "=&d" (new), "=Q" (ptep[PTRS_PER_PTE])
: "Q" (ptep[PTRS_PER_PTE]) : "cc");
: "Q" (ptep[PTRS_PER_PTE]) : "cc", "memory");
#endif
return __pgste(new);
}
@ -635,11 +635,19 @@ static inline void pgste_set_unlock(pte_t *ptep, pgste_t pgste)
" nihh %1,0xff7f\n" /* clear RCP_PCL_BIT */
" stg %1,%0\n"
: "=Q" (ptep[PTRS_PER_PTE])
: "d" (pgste_val(pgste)), "Q" (ptep[PTRS_PER_PTE]) : "cc");
: "d" (pgste_val(pgste)), "Q" (ptep[PTRS_PER_PTE])
: "cc", "memory");
preempt_enable();
#endif
}
static inline void pgste_set(pte_t *ptep, pgste_t pgste)
{
#ifdef CONFIG_PGSTE
*(pgste_t *)(ptep + PTRS_PER_PTE) = pgste;
#endif
}
static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste)
{
#ifdef CONFIG_PGSTE
@ -704,17 +712,19 @@ static inline void pgste_set_key(pte_t *ptep, pgste_t pgste, pte_t entry)
{
#ifdef CONFIG_PGSTE
unsigned long address;
unsigned long okey, nkey;
unsigned long nkey;
if (pte_val(entry) & _PAGE_INVALID)
return;
VM_BUG_ON(!(pte_val(*ptep) & _PAGE_INVALID));
address = pte_val(entry) & PAGE_MASK;
okey = nkey = page_get_storage_key(address);
nkey &= ~(_PAGE_ACC_BITS | _PAGE_FP_BIT);
/* Set page access key and fetch protection bit from pgste */
nkey |= (pgste_val(pgste) & (RCP_ACC_BITS | RCP_FP_BIT)) >> 56;
if (okey != nkey)
page_set_storage_key(address, nkey, 0);
/*
* Set page access key and fetch protection bit from pgste.
* The guest C/R information is still in the PGSTE, set real
* key C/R to 0.
*/
nkey = (pgste_val(pgste) & (RCP_ACC_BITS | RCP_FP_BIT)) >> 56;
page_set_storage_key(address, nkey, 0);
#endif
}
@ -1099,8 +1109,10 @@ static inline pte_t ptep_modify_prot_start(struct mm_struct *mm,
if (!mm_exclusive(mm))
__ptep_ipte(address, ptep);
if (mm_has_pgste(mm))
if (mm_has_pgste(mm)) {
pgste = pgste_update_all(&pte, pgste);
pgste_set(ptep, pgste);
}
return pte;
}

View File

@ -74,6 +74,8 @@ __show_trace(unsigned long sp, unsigned long low, unsigned long high)
static void show_trace(struct task_struct *task, unsigned long *stack)
{
const unsigned long frame_size =
STACK_FRAME_OVERHEAD + sizeof(struct pt_regs);
register unsigned long __r15 asm ("15");
unsigned long sp;
@ -82,11 +84,13 @@ static void show_trace(struct task_struct *task, unsigned long *stack)
sp = task ? task->thread.ksp : __r15;
printk("Call Trace:\n");
#ifdef CONFIG_CHECK_STACK
sp = __show_trace(sp, S390_lowcore.panic_stack - 4096,
S390_lowcore.panic_stack);
sp = __show_trace(sp,
S390_lowcore.panic_stack + frame_size - 4096,
S390_lowcore.panic_stack + frame_size);
#endif
sp = __show_trace(sp, S390_lowcore.async_stack - ASYNC_SIZE,
S390_lowcore.async_stack);
sp = __show_trace(sp,
S390_lowcore.async_stack + frame_size - ASYNC_SIZE,
S390_lowcore.async_stack + frame_size);
if (task)
__show_trace(sp, (unsigned long) task_stack_page(task),
(unsigned long) task_stack_page(task) + THREAD_SIZE);

View File

@ -311,3 +311,67 @@ void measurement_alert_subclass_unregister(void)
spin_unlock(&ma_subclass_lock);
}
EXPORT_SYMBOL(measurement_alert_subclass_unregister);
void synchronize_irq(unsigned int irq)
{
/*
* Not needed, the handler is protected by a lock and IRQs that occur
* after the handler is deleted are just NOPs.
*/
}
EXPORT_SYMBOL_GPL(synchronize_irq);
#ifndef CONFIG_PCI
/* Only PCI devices have dynamically-defined IRQ handlers */
int request_irq(unsigned int irq, irq_handler_t handler,
unsigned long irqflags, const char *devname, void *dev_id)
{
return -EINVAL;
}
EXPORT_SYMBOL_GPL(request_irq);
void free_irq(unsigned int irq, void *dev_id)
{
WARN_ON(1);
}
EXPORT_SYMBOL_GPL(free_irq);
void enable_irq(unsigned int irq)
{
WARN_ON(1);
}
EXPORT_SYMBOL_GPL(enable_irq);
void disable_irq(unsigned int irq)
{
WARN_ON(1);
}
EXPORT_SYMBOL_GPL(disable_irq);
#endif /* !CONFIG_PCI */
void disable_irq_nosync(unsigned int irq)
{
disable_irq(irq);
}
EXPORT_SYMBOL_GPL(disable_irq_nosync);
unsigned long probe_irq_on(void)
{
return 0;
}
EXPORT_SYMBOL_GPL(probe_irq_on);
int probe_irq_off(unsigned long val)
{
return 0;
}
EXPORT_SYMBOL_GPL(probe_irq_off);
unsigned int probe_irq_mask(unsigned long val)
{
return val;
}
EXPORT_SYMBOL_GPL(probe_irq_mask);

View File

@ -225,7 +225,7 @@ _sclp_print:
ahi %r2,1
ltr %r0,%r0 # end of string?
jz .LfinalizemtoS4
chi %r0,0x15 # end of line (NL)?
chi %r0,0x0a # end of line (NL)?
jz .LfinalizemtoS4
stc %r0,0(%r6,%r7) # copy to mto
la %r11,0(%r6,%r7)

View File

@ -302,15 +302,6 @@ static int zpci_cfg_store(struct zpci_dev *zdev, int offset, u32 val, u8 len)
return rc;
}
void synchronize_irq(unsigned int irq)
{
/*
* Not needed, the handler is protected by a lock and IRQs that occur
* after the handler is deleted are just NOPs.
*/
}
EXPORT_SYMBOL_GPL(synchronize_irq);
void enable_irq(unsigned int irq)
{
struct msi_desc *msi = irq_get_msi_desc(irq);
@ -327,30 +318,6 @@ void disable_irq(unsigned int irq)
}
EXPORT_SYMBOL_GPL(disable_irq);
void disable_irq_nosync(unsigned int irq)
{
disable_irq(irq);
}
EXPORT_SYMBOL_GPL(disable_irq_nosync);
unsigned long probe_irq_on(void)
{
return 0;
}
EXPORT_SYMBOL_GPL(probe_irq_on);
int probe_irq_off(unsigned long val)
{
return 0;
}
EXPORT_SYMBOL_GPL(probe_irq_off);
unsigned int probe_irq_mask(unsigned long val)
{
return val;
}
EXPORT_SYMBOL_GPL(probe_irq_mask);
void pcibios_fixup_bus(struct pci_bus *bus)
{
}

View File

@ -54,6 +54,7 @@ EXPORT_SYMBOL(of_set_property_mutex);
int of_set_property(struct device_node *dp, const char *name, void *val, int len)
{
struct property **prevp;
unsigned long flags;
void *new_val;
int err;
@ -64,7 +65,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
err = -ENODEV;
mutex_lock(&of_set_property_mutex);
raw_spin_lock(&devtree_lock);
raw_spin_lock_irqsave(&devtree_lock, flags);
prevp = &dp->properties;
while (*prevp) {
struct property *prop = *prevp;
@ -91,7 +92,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
}
prevp = &(*prevp)->next;
}
raw_spin_unlock(&devtree_lock);
raw_spin_unlock_irqrestore(&devtree_lock, flags);
mutex_unlock(&of_set_property_mutex);
/* XXX Upate procfs if necessary... */

View File

@ -251,51 +251,6 @@ static void find_bits(unsigned long mask, u8 *pos, u8 *size)
*size = len;
}
static efi_status_t setup_efi_vars(struct boot_params *params)
{
struct setup_data *data;
struct efi_var_bootdata *efidata;
u64 store_size, remaining_size, var_size;
efi_status_t status;
if (sys_table->runtime->hdr.revision < EFI_2_00_SYSTEM_TABLE_REVISION)
return EFI_UNSUPPORTED;
data = (struct setup_data *)(unsigned long)params->hdr.setup_data;
while (data && data->next)
data = (struct setup_data *)(unsigned long)data->next;
status = efi_call_phys4((void *)sys_table->runtime->query_variable_info,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS, &store_size,
&remaining_size, &var_size);
if (status != EFI_SUCCESS)
return status;
status = efi_call_phys3(sys_table->boottime->allocate_pool,
EFI_LOADER_DATA, sizeof(*efidata), &efidata);
if (status != EFI_SUCCESS)
return status;
efidata->data.type = SETUP_EFI_VARS;
efidata->data.len = sizeof(struct efi_var_bootdata) -
sizeof(struct setup_data);
efidata->data.next = 0;
efidata->store_size = store_size;
efidata->remaining_size = remaining_size;
efidata->max_var_size = var_size;
if (data)
data->next = (unsigned long)efidata;
else
params->hdr.setup_data = (unsigned long)efidata;
}
static efi_status_t setup_efi_pci(struct boot_params *params)
{
efi_pci_io_protocol *pci;
@ -1202,8 +1157,6 @@ struct boot_params *efi_main(void *handle, efi_system_table_t *_table,
setup_graphics(boot_params);
setup_efi_vars(boot_params);
setup_efi_pci(boot_params);
status = efi_call_phys3(sys_table->boottime->allocate_pool,

View File

@ -102,13 +102,6 @@ extern void efi_call_phys_epilog(void);
extern void efi_unmap_memmap(void);
extern void efi_memory_uc(u64 addr, unsigned long size);
struct efi_var_bootdata {
struct setup_data data;
u64 store_size;
u64 remaining_size;
u64 max_var_size;
};
#ifdef CONFIG_EFI
static inline bool efi_is_native(void)

View File

@ -6,7 +6,6 @@
#define SETUP_E820_EXT 1
#define SETUP_DTB 2
#define SETUP_PCI 3
#define SETUP_EFI_VARS 4
/* ram_size flags */
#define RAMDISK_IMAGE_START_MASK 0x07FF

View File

@ -160,7 +160,7 @@ identity_mapped:
xorq %rbp, %rbp
xorq %r8, %r8
xorq %r9, %r9
xorq %r10, %r9
xorq %r10, %r10
xorq %r11, %r11
xorq %r12, %r12
xorq %r13, %r13

View File

@ -277,6 +277,9 @@ static int __meminit split_mem_range(struct map_range *mr, int nr_range,
end_pfn = limit_pfn;
nr_range = save_mr(mr, nr_range, start_pfn, end_pfn, 0);
if (!after_bootmem)
adjust_range_page_size_mask(mr, nr_range);
/* try to merge same page size and continuous */
for (i = 0; nr_range > 1 && i < nr_range - 1; i++) {
unsigned long old_start;
@ -291,9 +294,6 @@ static int __meminit split_mem_range(struct map_range *mr, int nr_range,
nr_range--;
}
if (!after_bootmem)
adjust_range_page_size_mask(mr, nr_range);
for (i = 0; i < nr_range; i++)
printk(KERN_DEBUG " [mem %#010lx-%#010lx] page %s\n",
mr[i].start, mr[i].end - 1,

View File

@ -42,7 +42,6 @@
#include <linux/io.h>
#include <linux/reboot.h>
#include <linux/bcd.h>
#include <linux/ucs2_string.h>
#include <asm/setup.h>
#include <asm/efi.h>
@ -54,12 +53,12 @@
#define EFI_DEBUG 1
/*
* There's some additional metadata associated with each
* variable. Intel's reference implementation is 60 bytes - bump that
* to account for potential alignment constraints
*/
#define VAR_METADATA_SIZE 64
#define EFI_MIN_RESERVE 5120
#define EFI_DUMMY_GUID \
EFI_GUID(0x4424ac57, 0xbe4b, 0x47dd, 0x9e, 0x97, 0xed, 0x50, 0xf0, 0x9f, 0x92, 0xa9)
static efi_char16_t efi_dummy_name[6] = { 'D', 'U', 'M', 'M', 'Y', 0 };
struct efi __read_mostly efi = {
.mps = EFI_INVALID_TABLE_ADDR,
@ -79,13 +78,6 @@ struct efi_memory_map memmap;
static struct efi efi_phys __initdata;
static efi_system_table_t efi_systab __initdata;
static u64 efi_var_store_size;
static u64 efi_var_remaining_size;
static u64 efi_var_max_var_size;
static u64 boot_used_size;
static u64 boot_var_size;
static u64 active_size;
unsigned long x86_efi_facility;
/*
@ -188,53 +180,8 @@ static efi_status_t virt_efi_get_next_variable(unsigned long *name_size,
efi_char16_t *name,
efi_guid_t *vendor)
{
efi_status_t status;
static bool finished = false;
static u64 var_size;
status = efi_call_virt3(get_next_variable,
name_size, name, vendor);
if (status == EFI_NOT_FOUND) {
finished = true;
if (var_size < boot_used_size) {
boot_var_size = boot_used_size - var_size;
active_size += boot_var_size;
} else {
printk(KERN_WARNING FW_BUG "efi: Inconsistent initial sizes\n");
}
}
if (boot_used_size && !finished) {
unsigned long size = 0;
u32 attr;
efi_status_t s;
void *tmp;
s = virt_efi_get_variable(name, vendor, &attr, &size, NULL);
if (s != EFI_BUFFER_TOO_SMALL || !size)
return status;
tmp = kmalloc(size, GFP_ATOMIC);
if (!tmp)
return status;
s = virt_efi_get_variable(name, vendor, &attr, &size, tmp);
if (s == EFI_SUCCESS && (attr & EFI_VARIABLE_NON_VOLATILE)) {
var_size += size;
var_size += ucs2_strsize(name, 1024);
active_size += size;
active_size += VAR_METADATA_SIZE;
active_size += ucs2_strsize(name, 1024);
}
kfree(tmp);
}
return status;
return efi_call_virt3(get_next_variable,
name_size, name, vendor);
}
static efi_status_t virt_efi_set_variable(efi_char16_t *name,
@ -243,34 +190,9 @@ static efi_status_t virt_efi_set_variable(efi_char16_t *name,
unsigned long data_size,
void *data)
{
efi_status_t status;
u32 orig_attr = 0;
unsigned long orig_size = 0;
status = virt_efi_get_variable(name, vendor, &orig_attr, &orig_size,
NULL);
if (status != EFI_BUFFER_TOO_SMALL)
orig_size = 0;
status = efi_call_virt5(set_variable,
name, vendor, attr,
data_size, data);
if (status == EFI_SUCCESS) {
if (orig_size) {
active_size -= orig_size;
active_size -= ucs2_strsize(name, 1024);
active_size -= VAR_METADATA_SIZE;
}
if (data_size) {
active_size += data_size;
active_size += ucs2_strsize(name, 1024);
active_size += VAR_METADATA_SIZE;
}
}
return status;
return efi_call_virt5(set_variable,
name, vendor, attr,
data_size, data);
}
static efi_status_t virt_efi_query_variable_info(u32 attr,
@ -786,9 +708,6 @@ void __init efi_init(void)
char vendor[100] = "unknown";
int i = 0;
void *tmp;
struct setup_data *data;
struct efi_var_bootdata *efi_var_data;
u64 pa_data;
#ifdef CONFIG_X86_32
if (boot_params.efi_info.efi_systab_hi ||
@ -806,22 +725,6 @@ void __init efi_init(void)
if (efi_systab_init(efi_phys.systab))
return;
pa_data = boot_params.hdr.setup_data;
while (pa_data) {
data = early_ioremap(pa_data, sizeof(*efi_var_data));
if (data->type == SETUP_EFI_VARS) {
efi_var_data = (struct efi_var_bootdata *)data;
efi_var_store_size = efi_var_data->store_size;
efi_var_remaining_size = efi_var_data->remaining_size;
efi_var_max_var_size = efi_var_data->max_var_size;
}
pa_data = data->next;
early_iounmap(data, sizeof(*efi_var_data));
}
boot_used_size = efi_var_store_size - efi_var_remaining_size;
set_bit(EFI_SYSTEM_TABLES, &x86_efi_facility);
/*
@ -1085,6 +988,13 @@ void __init efi_enter_virtual_mode(void)
runtime_code_page_mkexec();
kfree(new_memmap);
/* clean DUMMY object */
efi.set_variable(efi_dummy_name, &EFI_DUMMY_GUID,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
0, NULL);
}
/*
@ -1136,33 +1046,65 @@ efi_status_t efi_query_variable_store(u32 attributes, unsigned long size)
efi_status_t status;
u64 storage_size, remaining_size, max_size;
if (!(attributes & EFI_VARIABLE_NON_VOLATILE))
return 0;
status = efi.query_variable_info(attributes, &storage_size,
&remaining_size, &max_size);
if (status != EFI_SUCCESS)
return status;
if (!max_size && remaining_size > size)
printk_once(KERN_ERR FW_BUG "Broken EFI implementation"
" is returning MaxVariableSize=0\n");
/*
* Some firmware implementations refuse to boot if there's insufficient
* space in the variable store. We account for that by refusing the
* write if permitting it would reduce the available space to under
* 50%. However, some firmware won't reclaim variable space until
* after the used (not merely the actively used) space drops below
* a threshold. We can approximate that case with the value calculated
* above. If both the firmware and our calculations indicate that the
* available space would drop below 50%, refuse the write.
* 5KB. This figure was provided by Samsung, so should be safe.
*/
if ((remaining_size - size < EFI_MIN_RESERVE) &&
!efi_no_storage_paranoia) {
if (!storage_size || size > remaining_size ||
(max_size && size > max_size))
return EFI_OUT_OF_RESOURCES;
/*
* Triggering garbage collection may require that the firmware
* generate a real EFI_OUT_OF_RESOURCES error. We can force
* that by attempting to use more space than is available.
*/
unsigned long dummy_size = remaining_size + 1024;
void *dummy = kmalloc(dummy_size, GFP_ATOMIC);
if (!efi_no_storage_paranoia &&
((active_size + size + VAR_METADATA_SIZE > storage_size / 2) &&
(remaining_size - size < storage_size / 2)))
return EFI_OUT_OF_RESOURCES;
status = efi.set_variable(efi_dummy_name, &EFI_DUMMY_GUID,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
dummy_size, dummy);
if (status == EFI_SUCCESS) {
/*
* This should have failed, so if it didn't make sure
* that we delete it...
*/
efi.set_variable(efi_dummy_name, &EFI_DUMMY_GUID,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
0, dummy);
}
/*
* The runtime code may now have triggered a garbage collection
* run, so check the variable info again
*/
status = efi.query_variable_info(attributes, &storage_size,
&remaining_size, &max_size);
if (status != EFI_SUCCESS)
return status;
/*
* There still isn't enough room, so return an error
*/
if (remaining_size - size < EFI_MIN_RESERVE)
return EFI_OUT_OF_RESOURCES;
}
return EFI_SUCCESS;
}

View File

@ -42,9 +42,6 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = {
"^(xen_irq_disable_direct_reloc$|"
"xen_save_fl_direct_reloc$|"
"VDSO|"
#if ELF_BITS == 64
"__vvar_page|"
#endif
"__crc_)",
/*
@ -72,6 +69,7 @@ static const char * const sym_regex_kernel[S_NSYMTYPES] = {
"__per_cpu_load|"
"init_per_cpu__.*|"
"__end_rodata_hpage_align|"
"__vvar_page|"
#endif
"_end)$"
};

View File

@ -17,6 +17,7 @@
#include <linux/slab.h>
#include <linux/smp.h>
#include <linux/irq_work.h>
#include <linux/tick.h>
#include <asm/paravirt.h>
#include <asm/desc.h>
@ -447,6 +448,13 @@ static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */
play_dead_common();
HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL);
cpu_bringup();
/*
* commit 4b0c0f294 (tick: Cleanup NOHZ per cpu data on cpu down)
* clears certain data that the cpu_idle loop (which called us
* and that we return from) expects. The only way to get that
* data back is to call:
*/
tick_nohz_idle_enter();
}
#else /* !CONFIG_HOTPLUG_CPU */

View File

@ -3164,7 +3164,7 @@ void blk_post_runtime_resume(struct request_queue *q, int err)
q->rpm_status = RPM_ACTIVE;
__blk_run_queue(q);
pm_runtime_mark_last_busy(q->dev);
pm_runtime_autosuspend(q->dev);
pm_request_autosuspend(q->dev);
} else {
q->rpm_status = RPM_SUSPENDED;
}

View File

@ -823,6 +823,7 @@ config CRYPTO_BLOWFISH_X86_64
config CRYPTO_BLOWFISH_AVX2_X86_64
tristate "Blowfish cipher algorithm (x86_64/AVX2)"
depends on X86 && 64BIT
depends on BROKEN
select CRYPTO_ALGAPI
select CRYPTO_CRYPTD
select CRYPTO_ABLK_HELPER_X86
@ -1299,6 +1300,7 @@ config CRYPTO_TWOFISH_AVX_X86_64
config CRYPTO_TWOFISH_AVX2_X86_64
tristate "Twofish cipher algorithm (x86_64/AVX2)"
depends on X86 && 64BIT
depends on BROKEN
select CRYPTO_ALGAPI
select CRYPTO_CRYPTD
select CRYPTO_ABLK_HELPER_X86

View File

@ -919,13 +919,14 @@ static int ghes_probe(struct platform_device *ghes_dev)
break;
case ACPI_HEST_NOTIFY_EXTERNAL:
/* External interrupt vector is GSI */
if (acpi_gsi_to_irq(generic->notify.vector, &ghes->irq)) {
rc = acpi_gsi_to_irq(generic->notify.vector, &ghes->irq);
if (rc) {
pr_err(GHES_PFX "Failed to map GSI to IRQ for generic hardware error source: %d\n",
generic->header.source_id);
goto err_edac_unreg;
}
if (request_irq(ghes->irq, ghes_irq_func,
0, "GHES IRQ", ghes)) {
rc = request_irq(ghes->irq, ghes_irq_func, 0, "GHES IRQ", ghes);
if (rc) {
pr_err(GHES_PFX "Failed to register IRQ for generic hardware error source: %d\n",
generic->header.source_id);
goto err_edac_unreg;

View File

@ -278,11 +278,13 @@ int acpi_bus_init_power(struct acpi_device *device)
if (result)
return result;
} else if (state == ACPI_STATE_UNKNOWN) {
/* No power resources and missing _PSC? Try to force D0. */
/*
* No power resources and missing _PSC? Cross fingers and make
* it D0 in hope that this is what the BIOS put the device into.
* [We tried to force D0 here by executing _PS0, but that broke
* Toshiba P870-303 in a nasty way.]
*/
state = ACPI_STATE_D0;
result = acpi_dev_pm_explicit_set(device, state);
if (result)
return result;
}
device->power.state = state;
return 0;

View File

@ -1017,11 +1017,8 @@ acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver)
return -ENOSYS;
result = driver->ops.add(device);
if (result) {
device->driver = NULL;
device->driver_data = NULL;
if (result)
return result;
}
device->driver = driver;

View File

@ -456,6 +456,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dm4 Notebook PC"),
},
},
{
.callback = video_ignore_initial_backlight,
.ident = "HP Pavilion g6 Notebook PC",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion g6 Notebook PC"),
},
},
{
.callback = video_ignore_initial_backlight,
.ident = "HP 1000 Notebook PC",
@ -464,6 +472,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"),
},
},
{
.callback = video_ignore_initial_backlight,
.ident = "HP Pavilion m4",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion m4 Notebook PC"),
},
},
{}
};
@ -1706,6 +1722,9 @@ static int acpi_video_bus_add(struct acpi_device *device)
int error;
acpi_status status;
if (device->handler)
return -EINVAL;
status = acpi_walk_namespace(ACPI_TYPE_DEVICE,
device->parent->handle, 1,
acpi_video_bus_match, NULL,

View File

@ -143,7 +143,7 @@ static int rbtree_show(struct seq_file *s, void *ignored)
int registers = 0;
int this_registers, average;
map->lock(map);
map->lock(map->lock_arg);
mem_size = sizeof(*rbtree_ctx);
mem_size += BITS_TO_LONGS(map->cache_present_nbits) * sizeof(long);
@ -170,7 +170,7 @@ static int rbtree_show(struct seq_file *s, void *ignored)
seq_printf(s, "%d nodes, %d registers, average %d registers, used %zu bytes\n",
nodes, registers, average, mem_size);
map->unlock(map);
map->unlock(map->lock_arg);
return 0;
}
@ -391,8 +391,6 @@ static int regcache_rbtree_sync(struct regmap *map, unsigned int min,
for (node = rb_first(&rbtree_ctx->root); node; node = rb_next(node)) {
rbnode = rb_entry(node, struct regcache_rbtree_node, node);
if (rbnode->base_reg < min)
continue;
if (rbnode->base_reg > max)
break;
if (rbnode->base_reg + rbnode->blklen < min)

View File

@ -270,7 +270,7 @@ int regcache_sync(struct regmap *map)
BUG_ON(!map->cache_ops || !map->cache_ops->sync);
map->lock(map);
map->lock(map->lock_arg);
/* Remember the initial bypass state */
bypass = map->cache_bypass;
dev_dbg(map->dev, "Syncing %s cache\n",
@ -306,7 +306,7 @@ out:
trace_regcache_sync(map->dev, name, "stop");
/* Restore the bypass state */
map->cache_bypass = bypass;
map->unlock(map);
map->unlock(map->lock_arg);
return ret;
}
@ -333,7 +333,7 @@ int regcache_sync_region(struct regmap *map, unsigned int min,
BUG_ON(!map->cache_ops || !map->cache_ops->sync);
map->lock(map);
map->lock(map->lock_arg);
/* Remember the initial bypass state */
bypass = map->cache_bypass;
@ -352,7 +352,7 @@ out:
trace_regcache_sync(map->dev, name, "stop region");
/* Restore the bypass state */
map->cache_bypass = bypass;
map->unlock(map);
map->unlock(map->lock_arg);
return ret;
}
@ -372,11 +372,11 @@ EXPORT_SYMBOL_GPL(regcache_sync_region);
*/
void regcache_cache_only(struct regmap *map, bool enable)
{
map->lock(map);
map->lock(map->lock_arg);
WARN_ON(map->cache_bypass && enable);
map->cache_only = enable;
trace_regmap_cache_only(map->dev, enable);
map->unlock(map);
map->unlock(map->lock_arg);
}
EXPORT_SYMBOL_GPL(regcache_cache_only);
@ -391,9 +391,9 @@ EXPORT_SYMBOL_GPL(regcache_cache_only);
*/
void regcache_mark_dirty(struct regmap *map)
{
map->lock(map);
map->lock(map->lock_arg);
map->cache_dirty = true;
map->unlock(map);
map->unlock(map->lock_arg);
}
EXPORT_SYMBOL_GPL(regcache_mark_dirty);
@ -410,11 +410,11 @@ EXPORT_SYMBOL_GPL(regcache_mark_dirty);
*/
void regcache_cache_bypass(struct regmap *map, bool enable)
{
map->lock(map);
map->lock(map->lock_arg);
WARN_ON(map->cache_only && enable);
map->cache_bypass = enable;
trace_regmap_cache_bypass(map->dev, enable);
map->unlock(map);
map->unlock(map->lock_arg);
}
EXPORT_SYMBOL_GPL(regcache_cache_bypass);

View File

@ -265,6 +265,7 @@ static ssize_t regmap_map_write_file(struct file *file,
char *start = buf;
unsigned long reg, value;
struct regmap *map = file->private_data;
int ret;
buf_size = min(count, (sizeof(buf)-1));
if (copy_from_user(buf, user_buf, buf_size))
@ -282,7 +283,9 @@ static ssize_t regmap_map_write_file(struct file *file,
/* Userspace has been fiddling around behind the kernel's back */
add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE);
regmap_write(map, reg, value);
ret = regmap_write(map, reg, value);
if (ret < 0)
return ret;
return buf_size;
}
#else

View File

@ -168,8 +168,6 @@ static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id);
static int cciss_open(struct block_device *bdev, fmode_t mode);
static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode);
static void cciss_release(struct gendisk *disk, fmode_t mode);
static int do_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
@ -235,7 +233,7 @@ static const struct block_device_operations cciss_fops = {
.owner = THIS_MODULE,
.open = cciss_unlocked_open,
.release = cciss_release,
.ioctl = do_ioctl,
.ioctl = cciss_ioctl,
.getgeo = cciss_getgeo,
#ifdef CONFIG_COMPAT
.compat_ioctl = cciss_compat_ioctl,
@ -1143,16 +1141,6 @@ static void cciss_release(struct gendisk *disk, fmode_t mode)
mutex_unlock(&cciss_mutex);
}
static int do_ioctl(struct block_device *bdev, fmode_t mode,
unsigned cmd, unsigned long arg)
{
int ret;
mutex_lock(&cciss_mutex);
ret = cciss_ioctl(bdev, mode, cmd, arg);
mutex_unlock(&cciss_mutex);
return ret;
}
#ifdef CONFIG_COMPAT
static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
@ -1179,7 +1167,7 @@ static int cciss_compat_ioctl(struct block_device *bdev, fmode_t mode,
case CCISS_REGNEWD:
case CCISS_RESCANDISK:
case CCISS_GETLUNINFO:
return do_ioctl(bdev, mode, cmd, arg);
return cciss_ioctl(bdev, mode, cmd, arg);
case CCISS_PASSTHRU32:
return cciss_ioctl32_passthru(bdev, mode, cmd, arg);
@ -1219,7 +1207,7 @@ static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
if (err)
return -EFAULT;
err = do_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
err = cciss_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
if (err)
return err;
err |=
@ -1261,7 +1249,7 @@ static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
if (err)
return -EFAULT;
err = do_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
err = cciss_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
if (err)
return err;
err |=
@ -1311,11 +1299,14 @@ static int cciss_getpciinfo(ctlr_info_t *h, void __user *argp)
static int cciss_getintinfo(ctlr_info_t *h, void __user *argp)
{
cciss_coalint_struct intinfo;
unsigned long flags;
if (!argp)
return -EINVAL;
spin_lock_irqsave(&h->lock, flags);
intinfo.delay = readl(&h->cfgtable->HostWrite.CoalIntDelay);
intinfo.count = readl(&h->cfgtable->HostWrite.CoalIntCount);
spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user
(argp, &intinfo, sizeof(cciss_coalint_struct)))
return -EFAULT;
@ -1356,12 +1347,15 @@ static int cciss_setintinfo(ctlr_info_t *h, void __user *argp)
static int cciss_getnodename(ctlr_info_t *h, void __user *argp)
{
NodeName_type NodeName;
unsigned long flags;
int i;
if (!argp)
return -EINVAL;
spin_lock_irqsave(&h->lock, flags);
for (i = 0; i < 16; i++)
NodeName[i] = readb(&h->cfgtable->ServerName[i]);
spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, NodeName, sizeof(NodeName_type)))
return -EFAULT;
return 0;
@ -1398,10 +1392,13 @@ static int cciss_setnodename(ctlr_info_t *h, void __user *argp)
static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp)
{
Heartbeat_type heartbeat;
unsigned long flags;
if (!argp)
return -EINVAL;
spin_lock_irqsave(&h->lock, flags);
heartbeat = readl(&h->cfgtable->HeartBeat);
spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, &heartbeat, sizeof(Heartbeat_type)))
return -EFAULT;
return 0;
@ -1410,10 +1407,13 @@ static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp)
static int cciss_getbustypes(ctlr_info_t *h, void __user *argp)
{
BusTypes_type BusTypes;
unsigned long flags;
if (!argp)
return -EINVAL;
spin_lock_irqsave(&h->lock, flags);
BusTypes = readl(&h->cfgtable->BusTypes);
spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, &BusTypes, sizeof(BusTypes_type)))
return -EFAULT;
return 0;

View File

@ -3002,7 +3002,8 @@ static int mtip_hw_debugfs_init(struct driver_data *dd)
static void mtip_hw_debugfs_exit(struct driver_data *dd)
{
debugfs_remove_recursive(dd->dfs_node);
if (dd->dfs_node)
debugfs_remove_recursive(dd->dfs_node);
}
@ -3863,7 +3864,7 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
struct driver_data *dd = queue->queuedata;
struct scatterlist *sg;
struct bio_vec *bvec;
int nents = 0;
int i, nents = 0;
int tag = 0, unaligned = 0;
if (unlikely(dd->dd_flag & MTIP_DDF_STOP_IO)) {
@ -3921,11 +3922,12 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
}
/* Create the scatter list for this bio. */
bio_for_each_segment(bvec, bio, nents) {
bio_for_each_segment(bvec, bio, i) {
sg_set_page(&sg[nents],
bvec->bv_page,
bvec->bv_len,
bvec->bv_offset);
nents++;
}
/* Issue the read/write. */

View File

@ -629,7 +629,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns,
struct nvme_command *cmnd;
struct nvme_iod *iod;
enum dma_data_direction dma_dir;
int cmdid, length, result = -ENOMEM;
int cmdid, length, result;
u16 control;
u32 dsmgmt;
int psegs = bio_phys_segments(ns->queue, bio);
@ -640,6 +640,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns,
return result;
}
result = -ENOMEM;
iod = nvme_alloc_iod(psegs, bio->bi_size, GFP_ATOMIC);
if (!iod)
goto nomem;
@ -977,6 +978,8 @@ static void nvme_cancel_ios(struct nvme_queue *nvmeq, bool timeout)
if (timeout && !time_after(now, info[cmdid].timeout))
continue;
if (info[cmdid].ctx == CMD_CTX_CANCELLED)
continue;
dev_warn(nvmeq->q_dmadev, "Cancelling I/O %d\n", cmdid);
ctx = cancel_cmdid(nvmeq, cmdid, &fn);
fn(nvmeq->dev, ctx, &cqe);
@ -1206,7 +1209,7 @@ struct nvme_iod *nvme_map_user_pages(struct nvme_dev *dev, int write,
if (addr & 3)
return ERR_PTR(-EINVAL);
if (!length)
if (!length || length > INT_MAX - PAGE_SIZE)
return ERR_PTR(-EINVAL);
offset = offset_in_page(addr);
@ -1227,7 +1230,8 @@ struct nvme_iod *nvme_map_user_pages(struct nvme_dev *dev, int write,
sg_init_table(sg, count);
for (i = 0; i < count; i++) {
sg_set_page(&sg[i], pages[i],
min_t(int, length, PAGE_SIZE - offset), offset);
min_t(unsigned, length, PAGE_SIZE - offset),
offset);
length -= (PAGE_SIZE - offset);
offset = 0;
}
@ -1435,7 +1439,7 @@ static int nvme_user_admin_cmd(struct nvme_dev *dev,
nvme_free_iod(dev, iod);
}
if (!status && copy_to_user(&ucmd->result, &cmd.result,
if ((status >= 0) && copy_to_user(&ucmd->result, &cmd.result,
sizeof(cmd.result)))
status = -EFAULT;
@ -1633,7 +1637,8 @@ static int set_queue_count(struct nvme_dev *dev, int count)
static int nvme_setup_io_queues(struct nvme_dev *dev)
{
int result, cpu, i, nr_io_queues, db_bar_size, q_depth;
struct pci_dev *pdev = dev->pci_dev;
int result, cpu, i, nr_io_queues, db_bar_size, q_depth, q_count;
nr_io_queues = num_online_cpus();
result = set_queue_count(dev, nr_io_queues);
@ -1642,14 +1647,14 @@ static int nvme_setup_io_queues(struct nvme_dev *dev)
if (result < nr_io_queues)
nr_io_queues = result;
q_count = nr_io_queues;
/* Deregister the admin queue's interrupt */
free_irq(dev->entry[0].vector, dev->queues[0]);
db_bar_size = 4096 + ((nr_io_queues + 1) << (dev->db_stride + 3));
if (db_bar_size > 8192) {
iounmap(dev->bar);
dev->bar = ioremap(pci_resource_start(dev->pci_dev, 0),
db_bar_size);
dev->bar = ioremap(pci_resource_start(pdev, 0), db_bar_size);
dev->dbs = ((void __iomem *)dev->bar) + 4096;
dev->queues[0]->q_db = dev->dbs;
}
@ -1657,19 +1662,36 @@ static int nvme_setup_io_queues(struct nvme_dev *dev)
for (i = 0; i < nr_io_queues; i++)
dev->entry[i].entry = i;
for (;;) {
result = pci_enable_msix(dev->pci_dev, dev->entry,
nr_io_queues);
result = pci_enable_msix(pdev, dev->entry, nr_io_queues);
if (result == 0) {
break;
} else if (result > 0) {
nr_io_queues = result;
continue;
} else {
nr_io_queues = 1;
nr_io_queues = 0;
break;
}
}
if (nr_io_queues == 0) {
nr_io_queues = q_count;
for (;;) {
result = pci_enable_msi_block(pdev, nr_io_queues);
if (result == 0) {
for (i = 0; i < nr_io_queues; i++)
dev->entry[i].vector = i + pdev->irq;
break;
} else if (result > 0) {
nr_io_queues = result;
continue;
} else {
nr_io_queues = 1;
break;
}
}
}
result = queue_request_irq(dev, dev->queues[0], "nvme admin");
/* XXX: handle failure here */
@ -1850,7 +1872,10 @@ static void nvme_free_dev(struct kref *kref)
{
struct nvme_dev *dev = container_of(kref, struct nvme_dev, kref);
nvme_dev_remove(dev);
pci_disable_msix(dev->pci_dev);
if (dev->pci_dev->msi_enabled)
pci_disable_msi(dev->pci_dev);
else if (dev->pci_dev->msix_enabled)
pci_disable_msix(dev->pci_dev);
iounmap(dev->bar);
nvme_release_instance(dev);
nvme_release_prp_pools(dev);
@ -1923,8 +1948,14 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
INIT_LIST_HEAD(&dev->namespaces);
dev->pci_dev = pdev;
pci_set_drvdata(pdev, dev);
dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)))
dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
else if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)))
dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
else
goto disable;
result = nvme_set_instance(dev);
if (result)
goto disable;
@ -1977,7 +2008,10 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
unmap:
iounmap(dev->bar);
disable_msix:
pci_disable_msix(pdev);
if (dev->pci_dev->msi_enabled)
pci_disable_msi(dev->pci_dev);
else if (dev->pci_dev->msix_enabled)
pci_disable_msix(dev->pci_dev);
nvme_release_instance(dev);
nvme_release_prp_pools(dev);
disable:

View File

@ -44,7 +44,6 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/version.h>
#include <scsi/sg.h>
#include <scsi/scsi.h>
@ -1654,7 +1653,7 @@ static void nvme_trans_modesel_save_bd(struct nvme_ns *ns, u8 *parm_list,
}
}
static u16 nvme_trans_modesel_get_mp(struct nvme_ns *ns, struct sg_io_hdr *hdr,
static int nvme_trans_modesel_get_mp(struct nvme_ns *ns, struct sg_io_hdr *hdr,
u8 *mode_page, u8 page_code)
{
int res = SNTI_TRANSLATION_SUCCESS;

View File

@ -83,7 +83,8 @@
#define MAX_SPEED 0xffff
#define ZONE(sector, pd) (((sector) + (pd)->offset) & ~((pd)->settings.size - 1))
#define ZONE(sector, pd) (((sector) + (pd)->offset) & \
~(sector_t)((pd)->settings.size - 1))
static DEFINE_MUTEX(pktcdvd_mutex);
static struct pktcdvd_device *pkt_devs[MAX_WRITERS];

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