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  1. 10 5月, 2015 2 次提交
  3. 09 5月, 2015 9 次提交
  5. 08 5月, 2015 5 次提交
  7. 07 5月, 2015 9 次提交
    • L
      Merge tag 'pinctrl-v4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl · fbb7b92f
      由 Linus Torvalds 提交于 
      Pull pin control fixes from Linus Walleij:
 "Here is a smallish set of pin control fixes for the v4.1 cycle,
  collected the last two weeks:

   - fix a real nasty legacy bug that has screwed up the protection of
     adding pinctrl maps dynamically.  Normally this didn't happen so
     much but Dough Anderson ran into it and fixed it, kudos!

  - minor driver fixes for Qualcomm spmi, mediatek and Marvell drivers"

* tag 'pinctrl-v4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: Don't just pretend to protect pinctrl_maps, do it for real
  pinctrl: mediatek: mtk-common: initialize unmask
  pinctrl: qcom-spmi-mpp: Fix input value report
  pinctrl: qcom-spmi: Fix pin direction configuration
  pinctrl: mvebu: Fix mapping of pin 63 (gpo -> gpio)
      fbb7b92f
    • L
      Merge tag 'vfio-v4.1-rc3' of git://github.com/awilliam/linux-vfio · 7bbcd1b8
      由 Linus Torvalds 提交于 
      Pull vfio fixes from Alex Williamson:
 "Fix some undesirable behavior with the vfio device request interface:

   - increase verbosity of device request channel (Alex Williamson)

   - fix runaway interruptible timeout (Alex Williamson)"

* tag 'vfio-v4.1-rc3' of git://github.com/awilliam/linux-vfio:
  vfio: Fix runaway interruptible timeout
  vfio-pci: Log device requests more verbosely
      7bbcd1b8
    • L
      Merge tag 'for-linus' of git://github.com/dledford/linux · 8cb7c15b
      由 Linus Torvalds 提交于 
      Pull infiniband updates from Doug Ledford:
 "Minor updates for 4.1-rc

  Most of the changes are fairly small and well confined.  The iWARP
  address reporting changes are the only ones that are a medium size.  I
  had these queued up prior to rc1, but due to the shuffle in
  maintainers, they did not get submitted when I expected.  My apologies
  for that.  I feel comfortable with them however due to the testing
  they've received, so I left them in this submission"

* tag 'for-linus' of git://github.com/dledford/linux:
  MAINTAINERS: Update InfiniBand subsystem maintainer
  MAINTAINERS: add include/rdma/ to InfiniBand subsystem
  IPoIB/CM: Fix indentation level
  iw_cxgb4: Remove negative advice dmesg warnings
  IB/core: Fix unaligned accesses
  IB/core: change rdma_gid2ip into void function as it always return zero
  IB/qib: use arch_phys_wc_add()
  IB/qib: add acounting for MTRR
  IB/core: dma unmap optimizations
  IB/core: dma map/unmap locking optimizations
  RDMA/cxgb4: Report the actual address of the remote connecting peer
  RDMA/nes: Report the actual address of the remote connecting peer
  RDMA/core: Enable the iWarp Port Mapper to provide the actual address of the connecting peer to its clients
  iw_cxgb4: enforce qp/cq id requirements
  iw_cxgb4: use BAR2 GTS register for T5 kernel mode CQs
  iw_cxgb4: 32b platform fixes
  iw_cxgb4: Cleanup register defines/MACROS
  RDMA/CMA: Canonize IPv4 on IPV6 sockets properly
      8cb7c15b
    • A
      tracing: Make ftrace_print_array_seq compute buf_len · ac01ce14
      由 Alex Bennée 提交于 
      The only caller to this function (__print_array) was getting it wrong by
passing the array length instead of buffer length. As the element size
was already being passed for other reasons it seems reasonable to push
the calculation of buffer length into the function.

Link: http://lkml.kernel.org/r/1430320727-14582-1-git-send-email-alex.bennee@linaro.orgSigned-off-by: NAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>
      ac01ce14
    • F
      Btrfs: fix wrong mapping flags for free space inode · 1d3c61c2
      由 Filipe Manana 提交于 
      We were passing a flags value that differed from the intention in commit
2b108268 ("Btrfs: don't use highmem for free space cache pages").

This caused problems in a ARM machine, leaving btrfs unusable there.
Reported-by: NMerlijn Wajer <merlijn@wizzup.org>
Tested-by: NMerlijn Wajer <merlijn@wizzup.org>
Signed-off-by: NFilipe Manana <fdmanana@suse.com>
Signed-off-by: NChris Mason <clm@fb.com>
      1d3c61c2
    • L
      Merge tag 'for-linus-4.1b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip · 0e1dc427
      由 Linus Torvalds 提交于 
      Pull xen bug fixes from David Vrabel:

 - fix blkback regression if using persistent grants

 - fix various event channel related suspend/resume bugs

 - fix AMD x86 regression with X86_BUG_SYSRET_SS_ATTRS

 - SWIOTLB on ARM now uses frames <4 GiB (if available) so device only
   capable of 32-bit DMA work.

* tag 'for-linus-4.1b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: Add __GFP_DMA flag when xen_swiotlb_init gets free pages on ARM
  hypervisor/x86/xen: Unset X86_BUG_SYSRET_SS_ATTRS on Xen PV guests
  xen/events: Set irq_info->evtchn before binding the channel to CPU in __startup_pirq()
  xen/console: Update console event channel on resume
  xen/xenbus: Update xenbus event channel on resume
  xen/events: Clear cpu_evtchn_mask before resuming
  xen-pciback: Add name prefix to global 'permissive' variable
  xen: Suspend ticks on all CPUs during suspend
  xen/grant: introduce func gnttab_unmap_refs_sync()
  xen/blkback: safely unmap purge persistent grants
      0e1dc427
    • L
      Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 3d54ac9e
      由 Linus Torvalds 提交于 
      Pull x86 fixes from Ingo Molnar:
 "EFI fixes, and FPU fix, a ticket spinlock boundary condition fix and
  two build fixes"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/fpu: Always restore_xinit_state() when use_eager_cpu()
  x86: Make cpu_tss available to external modules
  efi: Fix error handling in add_sysfs_runtime_map_entry()
  x86/spinlocks: Fix regression in spinlock contention detection
  x86/mm: Clean up types in xlate_dev_mem_ptr()
  x86/efi: Store upper bits of command line buffer address in ext_cmd_line_ptr
  efivarfs: Ensure VariableName is NUL-terminated
      3d54ac9e
    • L
      Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · d8fce2db
      由 Linus Torvalds 提交于 
      Pull perf fixes from Ingo Molnar:
 "Mostly tooling fixes, but also an uncore PMU driver fix and an uncore
  PMU driver hardware-enablement addition"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf probe: Fix segfault if passed with ''.
  perf report: Fix -T/--threads option to work again
  perf bench numa: Fix immediate meeting of convergence condition
  perf bench numa: Fixes of --quiet argument
  perf bench futex: Fix hung wakeup tasks after requeueing
  perf probe: Fix bug with global variables handling
  perf top: Fix a segfault when kernel map is restricted.
  tools lib traceevent: Fix build failure on 32-bit arch
  perf kmem: Fix compiles on RHEL6/OL6
  tools lib api: Undefine _FORTIFY_SOURCE before setting it
  perf kmem: Consistently use PRIu64 for printing u64 values
  perf trace: Disable events and drain events when forked workload ends
  perf trace: Enable events when doing system wide tracing and starting a workload
  perf/x86/intel/uncore: Move PCI IDs for IMC to uncore driver
  perf/x86/intel/uncore: Add support for Intel Haswell ULT (lower power Mobile Processor) IMC uncore PMUs
  perf/x86/intel: Add cpu_(prepare|starting|dying) for core_pmu
      d8fce2db
    • L
      Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 02f0f572
      由 Linus Torvalds 提交于 
      Pull RCU fix from Ingo Molnar:
 "An RCU Kconfig fix that eliminates an annoying interactive kconfig
  question for CONFIG_RCU_TORTURE_TEST_SLOW_INIT"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rcu: Control grace-period delays directly from value
      02f0f572
  9. 06 5月, 2015 15 次提交
    • C
      splice: sendfile() at once fails for big files · 0ff28d9f
      由 Christophe Leroy 提交于 
      Using sendfile with below small program to get MD5 sums of some files,
it appear that big files (over 64kbytes with 4k pages system) get a
wrong MD5 sum while small files get the correct sum.
This program uses sendfile() to send a file to an AF_ALG socket
for hashing.

/* md5sum2.c */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <linux/if_alg.h>

int main(int argc, char **argv)
{
	int sk = socket(AF_ALG, SOCK_SEQPACKET, 0);
	struct stat st;
	struct sockaddr_alg sa = {
		.salg_family = AF_ALG,
		.salg_type = "hash",
		.salg_name = "md5",
	};
	int n;

	bind(sk, (struct sockaddr*)&sa, sizeof(sa));

	for (n = 1; n < argc; n++) {
		int size;
		int offset = 0;
		char buf[4096];
		int fd;
		int sko;
		int i;

		fd = open(argv[n], O_RDONLY);
		sko = accept(sk, NULL, 0);
		fstat(fd, &st);
		size = st.st_size;
		sendfile(sko, fd, &offset, size);
		size = read(sko, buf, sizeof(buf));
		for (i = 0; i < size; i++)
			printf("%2.2x", buf[i]);
		printf("  %s\n", argv[n]);
		close(fd);
		close(sko);
	}
	exit(0);
}

Test below is done using official linux patch files. First result is
with a software based md5sum. Second result is with the program above.

root@vgoip:~# ls -l patch-3.6.*
-rw-r--r--    1 root     root         64011 Aug 24 12:01 patch-3.6.2.gz
-rw-r--r--    1 root     root         94131 Aug 24 12:01 patch-3.6.3.gz

root@vgoip:~# md5sum patch-3.6.*
b3ffb9848196846f31b2ff133d2d6443  patch-3.6.2.gz
c5e8f687878457db77cb7158c38a7e43  patch-3.6.3.gz

root@vgoip:~# ./md5sum2 patch-3.6.*
b3ffb9848196846f31b2ff133d2d6443  patch-3.6.2.gz
5fd77b24e68bb24dcc72d6e57c64790e  patch-3.6.3.gz

After investivation, it appears that sendfile() sends the files by blocks
of 64kbytes (16 times PAGE_SIZE). The problem is that at the end of each
block, the SPLICE_F_MORE flag is missing, therefore the hashing operation
is reset as if it was the end of the file.

This patch adds SPLICE_F_MORE to the flags when more data is pending.

With the patch applied, we get the correct sums:

root@vgoip:~# md5sum patch-3.6.*
b3ffb9848196846f31b2ff133d2d6443  patch-3.6.2.gz
c5e8f687878457db77cb7158c38a7e43  patch-3.6.3.gz

root@vgoip:~# ./md5sum2 patch-3.6.*
b3ffb9848196846f31b2ff133d2d6443  patch-3.6.2.gz
c5e8f687878457db77cb7158c38a7e43  patch-3.6.3.gz
Signed-off-by: NChristophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: NJens Axboe <axboe@fb.com>
      0ff28d9f
    • D
      pinctrl: Don't just pretend to protect pinctrl_maps, do it for real · c5272a28
      由 Doug Anderson 提交于 
      Way back, when the world was a simpler place and there was no war, no
evil, and no kernel bugs, there was just a single pinctrl lock.  That
was how the world was when (57291ce2 pinctrl: core device tree mapping
table parsing support) was written.  In that case, there were
instances where the pinctrl mutex was already held when
pinctrl_register_map() was called, hence a "locked" parameter was
passed to the function to indicate that the mutex was already locked
(so we shouldn't lock it again).

A few years ago in (42fed7ba pinctrl: move subsystem mutex to
pinctrl_dev struct), we switched to a separate pinctrl_maps_mutex.
...but (oops) we forgot to re-think about the whole "locked" parameter
for pinctrl_register_map().  Basically the "locked" parameter appears
to still refer to whether the bigger pinctrl_dev mutex is locked, but
we're using it to skip locks of our (now separate) pinctrl_maps_mutex.

That's kind of a bad thing(TM).  Probably nobody noticed because most
of the calls to pinctrl_register_map happen at boot time and we've got
synchronous device probing.  ...and even cases where we're
asynchronous don't end up actually hitting the race too often.  ...but
after banging my head against the wall for a bug that reproduced 1 out
of 1000 reboots and lots of looking through kgdb, I finally noticed
this.

Anyway, we can now safely remove the "locked" parameter and go back to
a war-free, evil-free, and kernel-bug-free world.

Fixes: 42fed7ba ("pinctrl: move subsystem mutex to pinctrl_dev struct")
Signed-off-by: NDoug Anderson <dianders@chromium.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
      c5272a28
    • S
      xen: Add __GFP_DMA flag when xen_swiotlb_init gets free pages on ARM · 8746515d
      由 Stefano Stabellini 提交于 
      Make sure that xen_swiotlb_init allocates buffers that are DMA capable
when at least one memblock is available below 4G. Otherwise we assume
that all devices on the SoC can cope with >4G addresses. We do this on
ARM and ARM64, where dom0 is mapped 1:1, so pfn == mfn in this case.

No functional changes on x86.

From: Chen Baozi <baozich@gmail.com>
Signed-off-by: NChen Baozi <baozich@gmail.com>
Signed-off-by: NStefano Stabellini <stefano.stabellini@eu.citrix.com>
Tested-by: NChen Baozi <baozich@gmail.com>
Acked-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: NDavid Vrabel <david.vrabel@citrix.com>
      8746515d
    • T
      gpio: omap: Fix regression for MPUIO interrupts · d2d05c65
      由 Tony Lindgren 提交于 
      At some point with all the GPIO clean-up we've broken the
MPUIO interrupts. Those are just a little bit different from
the GPIO interrupts, so we can fix it up just by setting
different irqchip functions for it. And then we can just
remove all old code trying to do the same.

Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Javier Martinez Canillas <javier@dowhile0.org>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Nishanth Menon <nm@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>
Reviewed-by: NGrygorii Strashko <grygorii.strashko@linaro.org>
Acked-by: NSantosh Shilimkar <ssantosh@kernel.org>
Reviewed-by: NFelipe Balbi <balbi@ti.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
      d2d05c65
    • C
      mmc: card: Don't access RPMB partitions for normal read/write · 4e93b9a6
      由 Chuanxiao Dong 提交于 
      During kernel boot, it will try to read some logical sectors
of each block device node for the possible partition table.

But since RPMB partition is special and can not be accessed
by normal eMMC read / write CMDs, it will cause below error
messages during kernel boot:
...
 mmc0: Got data interrupt 0x00000002 even though no data operation was in progress.
 mmcblk0rpmb: error -110 transferring data, sector 0, nr 32, cmd response 0x900, card status 0xb00
 mmcblk0rpmb: retrying using single block read
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 mmcblk0rpmb: timed out sending r/w cmd command, card status 0x400900
 end_request: I/O error, dev mmcblk0rpmb, sector 0
 Buffer I/O error on device mmcblk0rpmb, logical block 0
 end_request: I/O error, dev mmcblk0rpmb, sector 8
 Buffer I/O error on device mmcblk0rpmb, logical block 1
 end_request: I/O error, dev mmcblk0rpmb, sector 16
 Buffer I/O error on device mmcblk0rpmb, logical block 2
 end_request: I/O error, dev mmcblk0rpmb, sector 24
 Buffer I/O error on device mmcblk0rpmb, logical block 3
...

This patch will discard the access request in eMMC queue if
it is RPMB partition access request. By this way, it avoids
trigger above error messages.

Fixes: 090d25fe ("mmc: core: Expose access to RPMB partition")
Signed-off-by: NYunpeng Gao <yunpeng.gao@intel.com>
Signed-off-by: NChuanxiao Dong <chuanxiao.dong@intel.com>
Tested-by: NMichael Shigorin <mike@altlinux.org>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>
      4e93b9a6
    • T
      mmc: sh_mmcif: Fix timeout value for command request · bad4371d
      由 Takeshi Kihara 提交于 
      f9fd54f2 ("mmc: sh_mmcif: Use msecs_to_jiffies() for host->timeout")
changed the timeout value from 1000 jiffies to 1s. In the case where
HZ is 1000 the values are the same. However, for smaller HZ values the
timeout is now smaller, 1s instead of 10s in the case of HZ=100.

Since the timeout occurs in spite of a normal data transfer a timeout of
10s seems more appropriate. This restores the previous timeout in the
case where HZ=100 and results in an increase over the previous timeout
for larger values of HZ.

Fixes: f9fd54f2 ("mmc: sh_mmcif: Use msecs_to_jiffies() for host->timeout")
Signed-off-by: NTakeshi Kihara <takeshi.kihara.df@renesas.com>
[horms: rewrote changelog to refer to HZ]
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>
Signed-off-by: NYoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>
      bad4371d
    • B
      x86/fpu: Always restore_xinit_state() when use_eager_cpu() · c88d4748
      由 Bobby Powers 提交于 
      The following commit:

  f893959b ("x86/fpu: Don't abuse drop_init_fpu() in flush_thread()")

removed drop_init_fpu() usage from flush_thread(). This seems to break
things for me - the Go 1.4 test suite fails all over the place with
floating point comparision errors (offending commit found through
bisection).

The functional change was that flush_thread() after this commit
only calls restore_init_xstate() when both use_eager_fpu() and
!used_math() are true. drop_init_fpu() (now fpu_reset_state()) calls
restore_init_xstate() regardless of whether current used_math() - apply
the same logic here.

Switch used_math() -> tsk_used_math(tsk) to consistently use the grabbed
tsk instead of current, like in the rest of flush_thread().
Tested-by: NDave Hansen <dave.hansen@intel.com>
Signed-off-by: NBobby Powers <bobbypowers@gmail.com>
Signed-off-by: NBorislav Petkov <bp@suse.de>
Acked-by: NOleg Nesterov <oleg@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Pekka Riikonen <priikone@iki.fi>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Suresh Siddha <sbsiddha@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: f893959b ("x86/fpu: Don't abuse drop_init_fpu() in flush_thread()")
Link: http://lkml.kernel.org/r/1430147441-9820-1-git-send-email-bobbypowers@gmail.comSigned-off-by: NIngo Molnar <mingo@kernel.org>
      c88d4748
    • I
      Merge tag 'efi-urgent' of... · c102cb09
      由 Ingo Molnar 提交于 
      Merge tag 'efi-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into x86/urgent

Pull EFI fixes from Matt Fleming:

 * Avoid garbage names in efivarfs due to buggy firmware by zeroing
   EFI variable name. (Ross Lagerwall)

 * Stop erroneously dropping upper 32 bits of boot command line pointer
   in EFI boot stub and stash them in ext_cmd_line_ptr. (Roy Franz)

 * Fix double-free bug in error handling code path of EFI runtime map
   code. (Dan Carpenter)
Signed-off-by: NIngo Molnar <mingo@kernel.org>
      c102cb09
    • I
      Merge tag 'perf-urgent-for-mingo' of... · 74f40c1f
      由 Ingo Molnar 提交于 
      Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

  - Fix 'perf probe -a' segfault if passed with '' (Wang Nan)

  - Fix report -T/--threads option (Namhyung Kim)
Signed-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: NIngo Molnar <mingo@kernel.org>
      74f40c1f
    • L
      Merge tag 'for-linus-4.1-1' of git://git.code.sf.net/p/openipmi/linux-ipmi · 5198b443
      由 Linus Torvalds 提交于 
      Pull IPMI fixes from Corey Minyard:
 "Lots of minor IPMI fixes, especially ones that have have come up since
  the SSIF driver has been in the main kernel for a while"

* tag 'for-linus-4.1-1' of git://git.code.sf.net/p/openipmi/linux-ipmi:
  ipmi: Fix multi-part message handling
  ipmi: Add alert handling to SSIF
  ipmi: Fix a problem that messages are not issued in run_to_completion mode
  ipmi: Report an error if ACPI _IFT doesn't exist
  ipmi: Remove unused including <linux/version.h>
  ipmi: Don't report err in the SI driver for SSIF devices
  ipmi: Remove incorrect use of seq_has_overflowed
  ipmi:ssif: Ignore spaces when comparing I2C adapter names
  ipmi_ssif: Fix the logic on user-supplied addresses
      5198b443
    • L
      Merge branch 'akpm' (patches from Andrew) · 2a171aa2
      由 Linus Torvalds 提交于 
      Merge misc fixes from Andrew Morton:
 "16 patches

  This includes a new rtc driver for the Abracon AB x80x and isn't very
  appropriate for -rc2.  It was still being fiddled with a bit during
  the merge window and I fell asleep during -rc1"

[ So I took the new driver, it seems small and won't regress anything.
  I'm a softy.   - Linus ]

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  rtc: armada38x: fix concurrency access in armada38x_rtc_set_time
  ocfs2: dlm: fix race between purge and get lock resource
  nilfs2: fix sanity check of btree level in nilfs_btree_root_broken()
  util_macros.h: have array pointer point to array of constants
  configfs: init configfs module earlier at boot time
  mm/hwpoison-inject: check PageLRU of hpage
  mm/hwpoison-inject: fix refcounting in no-injection case
  mm: soft-offline: fix num_poisoned_pages counting on concurrent events
  rtc: add rtc-abx80x, a driver for the Abracon AB x80x i2c rtc
  Documentation: bindings: add abracon,abx80x
  kasan: show gcc version requirements in Kconfig and Documentation
  mm/memory-failure: call shake_page() when error hits thp tail page
  lib: delete lib/find_last_bit.c
  MAINTAINERS: add co-maintainer for LED subsystem
  zram: add Designated Reviewer for zram in MAINTAINERS
  revert "zram: move compact_store() to sysfs functions area"
      2a171aa2
    • L
      Merge tag 'platform-drivers-x86-v4.1-2' of... · 3ce05a4e
      由 Linus Torvalds 提交于 
      Merge tag 'platform-drivers-x86-v4.1-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull x86 platform driver fixes from Darren Hart:
 "This includes a trivial warning and adding a Lenovo laptop to an
  existing quirk.

  I've held off on things like the latter in the past, but I didn't feel
  it was risky enough to push out to 4.2.

   - thinkpad_acpi:
        Fix warning for static not at beginning

   - ideapad_laptop:
        Add Lenovo G40-30 to devices without radio switch"

* tag 'platform-drivers-x86-v4.1-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
  thinkpad_acpi: Fix warning for static not at beginning
  ideapad_laptop: Add Lenovo G40-30 to devices without radio switch
      3ce05a4e
    • C
      ipmi: Fix multi-part message handling · 3d69d43b
      由 Corey Minyard 提交于 
      Lots of little fixes for multi-part messages:

The values was not being re-initialized, if something went wrong
handling a multi-part message and it got left in a bad state, it
might be an issue.

The commands were not correct when issuing multi-part reads, the
code was not passing in the proper value for commands.  Also clean
up some minor formatting issues.

Get the block number from the right location, limit the maximum send
message size to 63 bytes and explain why, and fix some minor sylistic
issues.
Signed-off-by: NCorey Minyard <cminyard@mvista.com>
      3d69d43b
    • C
      ipmi: Add alert handling to SSIF · 91620521
      由 Corey Minyard 提交于 
      The SSIF interface can optionally have an SMBus alert come in when
data is ready.  Unfortunately, the IPMI spec gives wiggle room to
the implementer to allow them to always have the alert enabled,
even if the driver doesn't enable it.  So implement alerts.
If you don't in this situation, the SMBus alert handling will
constantly complain.
Signed-off-by: NCorey Minyard <cminyard@mvista.com>
      91620521
    • H
      ipmi: Fix a problem that messages are not issued in run_to_completion mode · 9f812704
      由 Hidehiro Kawai 提交于 
      start_next_msg() issues a message placed in smi_info->waiting_msg
if it is non-NULL.  However, sender() sets a message to
smi_info->curr_msg and NULL to smi_info->waiting_msg in the context
of run_to_completion mode.  As the result, it leads an infinite
loop by waiting the completion of unissued message when leaving
dying message after kernel panic.

sender() should set the message to smi_info->waiting_msg not
curr_msg.
Signed-off-by: NHidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Signed-off-by: NCorey Minyard <cminyard@mvista.com>
      9f812704