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Pull dmaengine updates from Vinod Koul:
"This time we have a very typical update which is mostly fixes and
updates to drivers and no new drivers.
- the biggest change is coming from Peter for edma cleanup which even
caused some last minute regression, things seem settled now
- idma64 and dw updates
- iotdma updates
- module autoload fixes for various drivers
- scatter gather support for hdmac"
* tag 'dmaengine-4.4-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (77 commits)
dmaengine: edma: Add dummy driver skeleton for edma3-tptc
Revert "ARM: DTS: am33xx: Use the new DT bindings for the eDMA3"
Revert "ARM: DTS: am437x: Use the new DT bindings for the eDMA3"
dmaengine: dw: some Intel devices has no memcpy support
dmaengine: dw: platform: provide platform data for Intel
dmaengine: dw: don't override platform data with autocfg
dmaengine: hdmac: Add scatter-gathered memset support
dmaengine: hdmac: factorise memset descriptor allocation
dmaengine: virt-dma: Fix kernel-doc annotations
ARM: DTS: am437x: Use the new DT bindings for the eDMA3
ARM: DTS: am33xx: Use the new DT bindings for the eDMA3
dmaengine: edma: New device tree binding
dmaengine: Kconfig: edma: Select TI_DMA_CROSSBAR in case of ARCH_OMAP
dmaengine: ti-dma-crossbar: Add support for crossbar on AM33xx/AM43xx
dmaengine: edma: Merge the of parsing functions
dmaengine: edma: Do not allocate memory for edma_rsv_info in case of DT boot
dmaengine: edma: Refactor the dma device and channel struct initialization
dmaengine: edma: Get qDMA channel information from HW also
dmaengine: edma: Merge map_dmach_to_queue into assign_channel_eventq
dmaengine: edma: Correct PaRAM access function names (_parm_ to _param_)
...
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Pull drm updates from Dave Airlie:
"I Was Almost Tempted To Capitalise Every Word, but then I decided I
couldn't read it myself!
I've also got one pull request for the sti driver outstanding. It
relied on a commit in Greg's tree and I didn't find out in time, that
commit is in your tree now so I might send that along once this is
merged.
I also had the accidental misfortune to have access to a Skylake on my
desk for a few days, and I've had to encourage Intel to try harder,
which seems to be happening now.
Here is the main drm-next pull request for 4.4.
Highlights:
New driver:
vc4 driver for the Rasberry Pi VPU.
(From Eric Anholt at Broadcom.)
Core:
Atomic fbdev support
Atomic helpers for runtime pm
dp/aux i2c STATUS_UPDATE handling
struct_mutex usage cleanups.
Generic of probing support.
Documentation:
Kerneldoc for VGA switcheroo code.
Rename to gpu instead of drm to reflect scope.
i915:
Skylake GuC firmware fixes
HPD A support
VBT backlight fallbacks
Fastboot by default for some systems
FBC work
BXT/SKL workarounds
Skylake deeper sleep state fixes
amdgpu:
Enable GPU scheduler by default
New atombios opcodes
GPUVM debugging options
Stoney support.
Fencing cleanups.
radeon:
More efficient CS checking
nouveau:
gk20a instance memory handling improvements.
Improved PGOB detection and GK107 support
Kepler GDDR5 PLL statbility improvement
G8x/GT2xx reclock improvements
new userspace API compatiblity fixes.
virtio-gpu:
Add 3D support - qemu 2.5 has it merged for it's gtk backend.
msm:
Initial msm88896 (snapdragon 8200)
exynos:
HDMI cleanups
Enable mixer driver byt default
Add DECON-TV support
vmwgfx:
Move to using memremap + fixes.
rcar-du:
Add support for R8A7793/4 DU
armada:
Remove support for non-component mode
Improved plane handling
Power savings while in DPMS off.
tda998x:
Remove unused slave encoder support
Use more HDMI helpers
Fix EDID read handling
dwhdmi:
Interlace video mode support for ipu-v3/dw_hdmi
Hotplug state fixes
Audio driver integration
imx:
More color formats support.
tegra:
Minor fixes/improvements"
[ Merge fixup: remove unused variable 'dev' that had all uses removed in
commit 4e270f088011: "drm/gem: Drop struct_mutex requirement from
drm_gem_mmap_obj" ]
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (764 commits)
drm/vmwgfx: Relax irq locking somewhat
drm/vmwgfx: Properly flush cursor updates and page-flips
drm/i915/skl: disable display side power well support for now
drm/i915: Extend DSL readout fix to BDW and SKL.
drm/i915: Do graphics device reset under forcewake
drm/i915: Skip fence installation for objects with rotated views (v4)
vga_switcheroo: Drop client power state VGA_SWITCHEROO_INIT
drm/amdgpu: group together common fence implementation
drm/amdgpu: remove AMDGPU_FENCE_OWNER_MOVE
drm/amdgpu: remove now unused fence functions
drm/amdgpu: fix fence fallback check
drm/amdgpu: fix stoping the scheduler timeout
drm/amdgpu: cleanup on error in amdgpu_cs_ioctl()
drm/i915: Fix locking around GuC firmware load
drm/amdgpu: update Fiji's Golden setting
drm/amdgpu: update Fiji's rev id
drm/amdgpu: extract common code in vi_common_early_init
drm/amd/scheduler: don't oops on failure to load
drm/amdgpu: don't oops on failure to load (v2)
drm/amdgpu: don't VT switch on suspend
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Merge third patch-bomb from Andrew Morton:
"We're pretty much done over here - I'm still waiting for a nouveau
merge so I can cleanly finish up Christoph's dma-mapping rework.
- bunch of small misc stuff
- fold abs64() into abs(), remove abs64()
- new_valid_dev() cleanups
- binfmt_elf_fdpic feature work"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (24 commits)
fs/binfmt_elf_fdpic.c: provide NOMMU loader for regular ELF binaries
fs/stat.c: remove unnecessary new_valid_dev() check
fs/reiserfs/namei.c: remove unnecessary new_valid_dev() check
fs/nilfs2/namei.c: remove unnecessary new_valid_dev() check
fs/ncpfs/dir.c: remove unnecessary new_valid_dev() check
fs/jfs: remove unnecessary new_valid_dev() checks
fs/hpfs/namei.c: remove unnecessary new_valid_dev() check
fs/f2fs/namei.c: remove unnecessary new_valid_dev() check
fs/ext2/namei.c: remove unnecessary new_valid_dev() check
fs/exofs/namei.c: remove unnecessary new_valid_dev() check
fs/btrfs/inode.c: remove unnecessary new_valid_dev() check
fs/9p: remove unnecessary new_valid_dev() checks
include/linux/kdev_t.h: old/new_valid_dev() can return bool
include/linux/kdev_t.h: remove unused huge_valid_dev()
kmap_atomic_to_page() has no users, remove it
drivers/scsi/cxgbi: fix build with EXTRA_CFLAGS
dma: remove external references to dma_supported
Documentation/sysctl/vm.txt: fix misleading code reference of overcommit_memory
remove abs64()
kernel.h: make abs() work with 64-bit types
...
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
"We have two patches in here:
- The parisc uapi headers have been screwed up since quite some time.
This patch fixes some bugs (e.g. endianess not respected in
compat_semid64_ds) and cleans them up (e.g. uid_t was used instead
of __kernel_uid_t) so that they can be used by userspace again.
This patch has been reviewed by Arnd Bergmann and is scheduled for
stable kernel series.
- Drop the hpux_stat64 struct from stat.h, we do not support HP-UX
binaries since kernel 4.0"
* 'parisc-4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fixes and cleanups in kernel uapi header files
parisc: Drop hpux_stat64 struct from stat.h header file
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git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2
Pull nios2 updates from Ley Foon Tan:
- nios2: Remove unnecessary #ifdef guards
- nios2: Switch to generic __xchg()
- nios2: Fix unused variable warning
* tag 'nios2-v4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2:
nios2: Remove unnecessary #ifdef guards
nios2: Switch to generic __xchg()
nios2: Fix unused variable warning
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Pull xtensa updates from Chris Zankel:
- fix remaining issues with noMMU cores
- fix build for cores w/o cache or zero overhead loop options
- fix boot of secondary cores in SMP configuration
- add support for DMA to high memory pages
- add dma_to_phys and phys_to_dma functions.
* tag 'xtensa-20151108' of git://github.com/czankel/xtensa-linux:
xtensa: implement dma_to_phys and phys_to_dma
xtensa: support DMA to high memory
Revert "xtensa: cache inquiry and unaligned cache handling functions"
xtensa: drop unused sections and remapped reset handlers
xtensa: fix secondary core boot in SMP
xtensa: add FORCE_MAX_ZONEORDER to Kconfig
xtensa: nommu: provide defconfig for de212 on kc705
xtensa: nommu: xtfpga: add kc705 DTS
xtensa: add de212 core variant
xtensa: nommu: select HAVE_FUTEX_CMPXCHG
xtensa: nommu: fix default memory start address
xtensa: nommu: provide correct KIO addresses
xtensa: nommu: fix USER_RING definition
xtensa: xtfpga: fix integer overflow in TASK_SIZE
xtensa: fix build for configs without cache options
xtensa: fixes for configs without loop option
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Removal started in commit 5bbeed12bdc3 ("sparc32: drop unused
kmap_atomic_to_page"). Let's do it across the whole tree.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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A previous commit introduced the new mlock2 syscall, add entries for the
MIPS architecture.
Signed-off-by: Eric B Munson <emunson@akamai.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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__HAVE_ARCH_MEMMOVE and __HAVE_ARCH_MEMSET are unconditionally defined
for nios2, so there is no need to protect the function definitions of
memmove() and memset().
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Ley Foon Tan <lftan@altera.com>
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The generic __xchg() implementation present in asm-generic/cmpxchg.h is
correct on nios2 and even generates the same code. Switch to this generic
implementation to trim down the amount of ad-hoc copies of the code.
Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Ley Foon Tan <lftan@altera.com>
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Fix the following compiler splat by adding __maybe_unused annotation to
the variable. Using this particular annotation has the least ugly impact
on the code compared to using ifdeffery.
arch/nios2/kernel/setup.c: In function 'nios2_boot_init':
arch/nios2/kernel/setup.c:107:7: warning: unused variable 'cmdline_passed' [-Wunused-variable]
char cmdline_passed[COMMAND_LINE_SIZE] = { 0, };
^
Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Ley Foon Tan <lftan@altera.com>
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This fixes the following build error seen in -next:
drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c:143:2: error:
implicit declaration of function 'dma_to_phys'
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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- don't bugcheck if high memory page is passed to xtensa_map_page;
- turn empty dcache flush macros into functions so that they could be
passed as function parameters;
- use kmap_atomic to map high memory pages for cache invalidation/
flushing performed by xtensa_sync_single_for_{cpu,device}.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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This patch fixes some bugs and partly cleans up the parisc uapi header
files to what glibc defined:
- compat_semid64_ds was wrong and did not take the endianess into
account
- ipc64_perm exported userspace types which broke building userspace
packages on debian (e.g. trinity)
- ipc64_perm needs to use a 32bit mode_t on 64bit kernel
- msqid64_ds and semid64_ds needs unsigned longs for various struct members
- shmid64_ds exported size_t instead of __kernel_size_t
And finally add some compile-time checks for the sizes of those structs
to avoid future breakage.
Runtime-tested with the Linux Test Project (LTP) testsuite.
Cc: <stable@vger.kernel.org> # 3.18+
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Helge Deller <deller@gmx.de>
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The struct hpux_stat64 is not needed any longer since we dropped HP-UX
support in commit 04c1614 ("parisc: hpux - Drop support for HP-UX
binaries").
Signed-off-by: Helge Deller <deller@gmx.de>
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__GFP_WAIT was renamed for __GFP_RECLAIM and the gfpflags_allow_blocking()
helper was added.
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge second patch-bomb from Andrew Morton:
- most of the rest of MM
- procfs
- lib/ updates
- printk updates
- bitops infrastructure tweaks
- checkpatch updates
- nilfs2 update
- signals
- various other misc bits: coredump, seqfile, kexec, pidns, zlib, ipc,
dma-debug, dma-mapping, ...
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (102 commits)
ipc,msg: drop dst nil validation in copy_msg
include/linux/zutil.h: fix usage example of zlib_adler32()
panic: release stale console lock to always get the logbuf printed out
dma-debug: check nents in dma_sync_sg*
dma-mapping: tidy up dma_parms default handling
pidns: fix set/getpriority and ioprio_set/get in PRIO_USER mode
kexec: use file name as the output message prefix
fs, seqfile: always allow oom killer
seq_file: reuse string_escape_str()
fs/seq_file: use seq_* helpers in seq_hex_dump()
coredump: change zap_threads() and zap_process() to use for_each_thread()
coredump: ensure all coredumping tasks have SIGNAL_GROUP_COREDUMP
signal: remove jffs2_garbage_collect_thread()->allow_signal(SIGCONT)
signal: introduce kernel_signal_stop() to fix jffs2_garbage_collect_thread()
signal: turn dequeue_signal_lock() into kernel_dequeue_signal()
signals: kill block_all_signals() and unblock_all_signals()
nilfs2: fix gcc uninitialized-variable warnings in powerpc build
nilfs2: fix gcc unused-but-set-variable warnings
MAINTAINERS: nilfs2: add header file for tracing
nilfs2: add tracepoints for analyzing reading and writing metadata files
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
Pull livepatching fix from Jiri Kosina:
"A fix for a kernel oops in case CONFIG_DEBUG_SET_MODULE_RONX is unset
(as in such case it's possible for module struct to share a page with
executable text, which is currently not being handled with grace) from
Josh Poimboeuf"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: Fix crash with !CONFIG_DEBUG_SET_MODULE_RONX
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Signed-off-by: Martin Kepplinger <martin.kepplinger@theobroma-systems.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: George Spelvin <linux@horizon.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Maxime Coquelin <maxime.coquelin@st.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Martin Kepplinger <martin.kepplinger@theobroma-systems.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: George Spelvin <linux@horizon.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Maxime Coquelin <maxime.coquelin@st.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Hugh has pointed that compound_head() call can be unsafe in some
context. There's one example:
CPU0 CPU1
isolate_migratepages_block()
page_count()
compound_head()
!!PageTail() == true
put_page()
tail->first_page = NULL
head = tail->first_page
alloc_pages(__GFP_COMP)
prep_compound_page()
tail->first_page = head
__SetPageTail(p);
!!PageTail() == true
<head == NULL dereferencing>
The race is pure theoretical. I don't it's possible to trigger it in
practice. But who knows.
We can fix the race by changing how encode PageTail() and compound_head()
within struct page to be able to update them in one shot.
The patch introduces page->compound_head into third double word block in
front of compound_dtor and compound_order. Bit 0 encodes PageTail() and
the rest bits are pointer to head page if bit zero is set.
The patch moves page->pmd_huge_pte out of word, just in case if an
architecture defines pgtable_t into something what can have the bit 0
set.
hugetlb_cgroup uses page->lru.next in the second tail page to store
pointer struct hugetlb_cgroup. The patch switch it to use page->private
in the second tail page instead. The space is free since ->first_page is
removed from the union.
The patch also opens possibility to remove HUGETLB_CGROUP_MIN_ORDER
limitation, since there's now space in first tail page to store struct
hugetlb_cgroup pointer. But that's out of scope of the patch.
That means page->compound_head shares storage space with:
- page->lru.next;
- page->next;
- page->rcu_head.next;
That's too long list to be absolutely sure, but looks like nobody uses
bit 0 of the word.
page->rcu_head.next guaranteed[1] to have bit 0 clean as long as we use
call_rcu(), call_rcu_bh(), call_rcu_sched(), or call_srcu(). But future
call_rcu_lazy() is not allowed as it makes use of the bit and we can
get false positive PageTail().
[1] http://lkml.kernel.org/g/20150827163634.GD4029@linux.vnet.ibm.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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sleep and avoiding waking kswapd
__GFP_WAIT has been used to identify atomic context in callers that hold
spinlocks or are in interrupts. They are expected to be high priority and
have access one of two watermarks lower than "min" which can be referred
to as the "atomic reserve". __GFP_HIGH users get access to the first
lower watermark and can be called the "high priority reserve".
Over time, callers had a requirement to not block when fallback options
were available. Some have abused __GFP_WAIT leading to a situation where
an optimisitic allocation with a fallback option can access atomic
reserves.
This patch uses __GFP_ATOMIC to identify callers that are truely atomic,
cannot sleep and have no alternative. High priority users continue to use
__GFP_HIGH. __GFP_DIRECT_RECLAIM identifies callers that can sleep and
are willing to enter direct reclaim. __GFP_KSWAPD_RECLAIM to identify
callers that want to wake kswapd for background reclaim. __GFP_WAIT is
redefined as a caller that is willing to enter direct reclaim and wake
kswapd for background reclaim.
This patch then converts a number of sites
o __GFP_ATOMIC is used by callers that are high priority and have memory
pools for those requests. GFP_ATOMIC uses this flag.
o Callers that have a limited mempool to guarantee forward progress clear
__GFP_DIRECT_RECLAIM but keep __GFP_KSWAPD_RECLAIM. bio allocations fall
into this category where kswapd will still be woken but atomic reserves
are not used as there is a one-entry mempool to guarantee progress.
o Callers that are checking if they are non-blocking should use the
helper gfpflags_allow_blocking() where possible. This is because
checking for __GFP_WAIT as was done historically now can trigger false
positives. Some exceptions like dm-crypt.c exist where the code intent
is clearer if __GFP_DIRECT_RECLAIM is used instead of the helper due to
flag manipulations.
o Callers that built their own GFP flags instead of starting with GFP_KERNEL
and friends now also need to specify __GFP_KSWAPD_RECLAIM.
The first key hazard to watch out for is callers that removed __GFP_WAIT
and was depending on access to atomic reserves for inconspicuous reasons.
In some cases it may be appropriate for them to use __GFP_HIGH.
The second key hazard is callers that assembled their own combination of
GFP flags instead of starting with something like GFP_KERNEL. They may
now wish to specify __GFP_KSWAPD_RECLAIM. It's almost certainly harmless
if it's missed in most cases as other activity will wake kswapd.
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Vitaly Wool <vitalywool@gmail.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracking updates from Steven Rostedt:
"Most of the changes are clean ups and small fixes. Some of them have
stable tags to them. I searched through my INBOX just as the merge
window opened and found lots of patches to pull. I ran them through
all my tests and they were in linux-next for a few days.
Features added this release:
----------------------------
- Module globbing. You can now filter function tracing to several
modules. # echo '*:mod:*snd*' > set_ftrace_filter (Dmitry Safonov)
- Tracer specific options are now visible even when the tracer is not
active. It was rather annoying that you can only see and modify
tracer options after enabling the tracer. Now they are in the
options/ directory even when the tracer is not active. Although
they are still only visible when the tracer is active in the
trace_options file.
- Trace options are now per instance (although some of the tracer
specific options are global)
- New tracefs file: set_event_pid. If any pid is added to this file,
then all events in the instance will filter out events that are not
part of this pid. sched_switch and sched_wakeup events handle next
and the wakee pids"
* tag 'trace-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (68 commits)
tracefs: Fix refcount imbalance in start_creating()
tracing: Put back comma for empty fields in boot string parsing
tracing: Apply tracer specific options from kernel command line.
tracing: Add some documentation about set_event_pid
ring_buffer: Remove unneeded smp_wmb() before wakeup of reader benchmark
tracing: Allow dumping traces without tracking trace started cpus
ring_buffer: Fix more races when terminating the producer in the benchmark
ring_buffer: Do no not complete benchmark reader too early
tracing: Remove redundant TP_ARGS redefining
tracing: Rename max_stack_lock to stack_trace_max_lock
tracing: Allow arch-specific stack tracer
recordmcount: arm64: Replace the ignored mcount call into nop
recordmcount: Fix endianness handling bug for nop_mcount
tracepoints: Fix documentation of RCU lockdep checks
tracing: ftrace_event_is_function() can return boolean
tracing: is_legal_op() can return boolean
ring-buffer: rb_event_is_commit() can return boolean
ring-buffer: rb_per_cpu_empty() can return boolean
ring_buffer: ring_buffer_empty{cpu}() can return boolean
ring-buffer: rb_is_reader_page() can return boolean
...
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply fix from Sebastian Reichel:
"Just a single revert for a patch, that I should not have queued.
Detailed description is inside the patch. It's totally my fault, that
this happened, sorry about that :("
* tag 'for-v4.4-important-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
Revert "ARM: dts: twl4030: Add iio properties for bci subnode"
|
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This reverts commit af19161aaed7ff8d1a52b2e517460f2fa0774e32,
which breaks the omap3 device tree build due to a wrong reference.
I accidently queued this change via the power supply subsystem while
telling Marek at the same time, that it should go through Tony.
Following that I did miss Stephen's messages about the build failure in
linux-next and since he switched to merging an older snapshot nobody
else noticed the problem in my tree. I didn't notice myself, since I
did not build any device tree files assuming none have changed by me.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Reported-by: Felipe Balbi <balbi@ti.com>
Tested-by: Felipe Balbi <balbi@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree updates from Rob Herring:
"A fairly large (by DT standards) pull request this time with the
majority being some overdue moving DT binding docs around to
consolidate similar bindings.
- DT binding doc consolidation moving similar bindings to common
locations. The majority of these are display related which were
scattered in video/, fb/, drm/, gpu/, and panel/ directories.
- Add new config option, CONFIG_OF_ALL_DTBS, to enable building all
dtbs in the tree for most arches with dts files (except powerpc for
now).
- OF_IRQ=n fixes for user enabled CONFIG_OF.
- of_node_put ref counting fixes from Julia Lawall.
- Common DT binding for wakeup-source and deprecation of all similar
bindings.
- DT binding for PXA LCD controller.
- Allow ignoring failed PCI resource translations in order to ignore
64-bit addresses on non-LPAE 32-bit kernels.
- Support setting the NUMA node from DT instead of only from parent
device.
- Couple of earlycon DT parsing fixes for address and options"
* tag 'devicetree-for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (45 commits)
MAINTAINERS: update DT binding doc locations
devicetree: add Sigma Designs vendor prefix
of: simplify arch_find_n_match_cpu_physical_id() function
Documentation: arm: Fixed typo in socfpga fpga mgr example
Documentation: devicetree: fix reference to legacy wakeup properties
Documentation: devicetree: standardize/consolidate on "wakeup-source" property
drivers: of: removing assignment of 0 to static variable
xtensa: enable building of all dtbs
mips: enable building of all dtbs
metag: enable building of all dtbs
metag: use common make variables for dtb builds
h8300: enable building of all dtbs
arm64: enable building of all dtbs
arm: enable building of all dtbs
arc: enable building of all dtbs
arc: use common make variables for dtb builds
of: add config option to enable building of all dtbs
of/fdt: fix error checking for earlycon address
of/overlay: add missing of_node_put
of/platform: add missing of_node_put
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"Items of note:
- evdev users can now limit or mask the kind of events they will
receive. This will allow applications such as power manager or
network manager to only be woken when user presses special keys
such as KEY_POWER or KEY_WIFI and not be bothered with ordinary
key presses coming from keyboard
- support for FocalTech FT6236 touchscreen controller
- support for ROHM BU21023/24 touchscreen controller
- edt-ft5x06 touchscreen driver got a face lift and can now be used
with FT5506
- support for Google Fiber TV Box remote controls
- improvements in xpad driver (with more to come)
- several parport-based drivers have been switched to the new device
model
- other miscellaneous driver improvements"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (70 commits)
HID: hid-gfrm: avoid warning for input_configured API change
HID: hid-input: allow input_configured callback return errors
Input: evdev - fix bug in checking duplicate clock change request
Input: add userio module
Input: evdev - add event-mask API
Input: snvs_pwrkey - remove duplicated semicolon
HID: hid-gfrm: Google Fiber TV Box remote controls
Input: e3x0-button - update Kconfig description
Input: tegra-kbc - drop use of IRQF_NO_SUSPEND flag
Input: tegra-kbc - enable support for the standard "wakeup-source" property
Input: xen - check return value of xenbus_printf
Input: hp_sdc_rtc - fix y2038 problem in proc_show
Input: nomadik-ske-keypad - fix a trivial typo
Input: xpad - fix clash of presence handling with LED setting
Input: edt-ft5x06 - work around FT5506 firmware bug
Input: edt-ft5x06 - add support for FT5506
Input: edt-ft5x06 - add support for different max support points
Input: edt-ft5x06 - use max support points to determine how much to read
Input: rotary-encoder - add support for quarter-period mode
Input: rotary-encoder - use of_property_read_bool
...
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Pull MTD updates from Brian Norris:
"Core:
- WARN (in some cases) when a struct mtd_info is registered multiple
times; in the past this was "supported", but it's still error prone
for future development. There's only one ugly case of this left in
the tree (that we're aware of) and the owners are aware of the
problems there.
- fix potential deadlock in the blkdev removal path NOTE: the
(potential) deadlock was introduced in a for-stable patch. This
one is also marked for -stable.
- ioctl(BLKPG) compat_ioctl support; resolves issues with 32-bit user
space vs 64-bit kernel space
- Set MTD parent device correctly throughout the tree, so the tree
structure appears correctly in sysfs; many drivers were missing
this (soft) requirement
- Move device tree partitions (ofpart) into a dedicated 'partitions'
subnode; this helps to disambiguate whether a node is a partition
or some other auxiliary data
- Improve error handling for partitioning failures
NAND:
- General: Increase timeout period, for corner-case systems with
less-than-accurate jiffies
- Fix OF-based autoloading of several NAND drivers when built as
modules
- pxa3xx_nand:
- Rework timing configuration to be more dynamic
- Refactor PM support
- brcmnand: prepare for NorthStar 2 support (ARM64, 16-bit NAND
chips)
- sunxi_nand: refactoring and a few bug fixes
- vf610: new NAND driver
- FSMC: add SW BCH support; support common NAND DT bindings
- lpc32xx_slc: refactor and improve timing calculations logic
- denali: support for rev 5.1
SPI NOR:
- Layering improvements
- Added Winbond lock/unlock support
- Added mtd_is_locked() (i.e., ioctl(MEMISLOCKED)) support
- Increase full-chip-erase timeout linearly with flash size
- fsl-quadspi: fix compile for non-ARM architectures
- New flash support"
* tag 'for-linus-20151106' of git://git.infradead.org/linux-mtd: (169 commits)
mtd: don't WARN about overloaded users of mtd->reboot_notifier.notifier_call
mtd: nand: sunxi: avoid retrieving data before ECC pass
mtd: nand: sunxi: fix sunxi_nfc_hw_ecc_read/write_chunk()
mtd: blkdevs: fix potential deadlock + lockdep warnings
mtd: ofpart: move ofpart partitions to a dedicated dt node
doc: dt: mtd: support partitions in a special 'partitions' subnode
mtd: brcmnand: Force 8bit mode before doing nand_scan_ident()
mtd: brcmnand: factor out CFG and CFG_EXT bitfields
mtd: mtdpart: Do not fail mtd probe when parsing partitions fails
mtd: fsl-quadspi: fix macro collision problems with READ/WRITE
mtd: warn when registering the same master many times
mtd: fixup corner case error handling in mtd_device_parse_register()
mtd: tests: Replace timeval with ktime_t
mtd: fsmc_nand: Add BCH4 SW ECC support for SPEAr600
mtd: nand: vf610_nfc: use nand_check_erased_ecc_chunk() helper
mtd: nand: increase ready wait timeout and report timeouts
mtd: docg3: off by one in doc_register_sysfs()
mtd: pxa3xx_nand: clean up the pxa3xx timings
mtd: pxa3xx_nand: rework flash detection and timing setup
mtd: pxa3xx_nand: add helpers to setup the timings
...
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Resource management:
- Add support for Enhanced Allocation devices (Sean O. Stalley)
- Add Enhanced Allocation register entries (Sean O. Stalley)
- Handle IORESOURCE_PCI_FIXED when sizing resources (David Daney)
- Handle IORESOURCE_PCI_FIXED when assigning resources (David Daney)
- Handle Enhanced Allocation capability for SR-IOV devices (David Daney)
- Clear IORESOURCE_UNSET when reverting to firmware-assigned address (Bjorn Helgaas)
- Make Enhanced Allocation bitmasks more obvious (Bjorn Helgaas)
- Expand Enhanced Allocation BAR output (Bjorn Helgaas)
- Add of_pci_check_probe_only to parse "linux,pci-probe-only" (Marc Zyngier)
- Fix lookup of linux,pci-probe-only property (Marc Zyngier)
- Add sparc mem64 resource parsing for root bus (Yinghai Lu)
PCI device hotplug:
- pciehp: Queue power work requests in dedicated function (Guenter Roeck)
Driver binding:
- Add builtin_pci_driver() to avoid registration boilerplate (Paul Gortmaker)
Virtualization:
- Set SR-IOV NumVFs to zero after enumeration (Alexander Duyck)
- Remove redundant validation of SR-IOV offset/stride registers (Alexander Duyck)
- Remove VFs in reverse order if virtfn_add() fails (Alexander Duyck)
- Reorder pcibios_sriov_disable() (Alexander Duyck)
- Wait 1 second between disabling VFs and clearing NumVFs (Alexander Duyck)
- Fix sriov_enable() error path for pcibios_enable_sriov() failures (Alexander Duyck)
- Enable SR-IOV ARI Capable Hierarchy before reading TotalVFs (Ben Shelton)
- Don't try to restore VF BARs (Wei Yang)
MSI:
- Don't alloc pcibios-irq when MSI is enabled (Joerg Roedel)
- Add msi_controller setup_irqs() method for special multivector setup (Lucas Stach)
- Export all remapped MSIs to sysfs attributes (Romain Bezut)
- Disable MSI on SiS 761 (Ondrej Zary)
AER:
- Clear error status registers during enumeration and restore (Taku Izumi)
Generic host bridge driver:
- Fix lookup of linux,pci-probe-only property (Marc Zyngier)
- Allow multiple hosts with different map_bus() methods (David Daney)
- Pass starting bus number to pci_scan_root_bus() (David Daney)
- Fix address window calculation for non-zero starting bus (David Daney)
Altera host bridge driver:
- Add msi.h to ARM Kbuild (Ley Foon Tan)
- Add Altera PCIe host controller driver (Ley Foon Tan)
- Add Altera PCIe MSI driver (Ley Foon Tan)
APM X-Gene host bridge driver:
- Remove msi_controller assignment (Duc Dang)
Broadcom iProc host bridge driver:
- Fix header comment "Corporation" misspelling (Florian Fainelli)
- Fix code comment to match code (Ray Jui)
- Remove unused struct iproc_pcie.irqs[] (Ray Jui)
- Call pci_fixup_irqs() for ARM64 as well as ARM (Ray Jui)
- Fix PCIe reset logic (Ray Jui)
- Improve link detection logic (Ray Jui)
- Update PCIe device tree bindings (Ray Jui)
- Add outbound mapping support (Ray Jui)
Freescale i.MX6 host bridge driver:
- Return real error code from imx6_add_pcie_port() (Fabio Estevam)
- Add PCIE_PHY_RX_ASIC_OUT_VALID definition (Fabio Estevam)
Freescale Layerscape host bridge driver:
- Remove ls_pcie_establish_link() (Minghuan Lian)
- Ignore PCIe controllers in Endpoint mode (Minghuan Lian)
- Factor out SCFG related function (Minghuan Lian)
- Update ls_add_pcie_port() (Minghuan Lian)
- Remove unused fields from struct ls_pcie (Minghuan Lian)
- Add support for LS1043a and LS2080a (Minghuan Lian)
- Add ls_pcie_msi_host_init() (Minghuan Lian)
HiSilicon host bridge driver:
- Add HiSilicon SoC Hip05 PCIe driver (Zhou Wang)
Marvell MVEBU host bridge driver:
- Return zero for reserved or unimplemented config space (Russell King)
- Use exact config access size; don't read/modify/write (Russell King)
- Use of_get_available_child_count() (Russell King)
- Use for_each_available_child_of_node() to walk child nodes (Russell King)
- Report full node name when reporting a DT error (Russell King)
- Use port->name rather than "PCIe%d.%d" (Russell King)
- Move port parsing and resource claiming to separate function (Russell King)
- Fix memory leaks and refcount leaks (Russell King)
- Split port parsing and resource claiming from port setup (Russell King)
- Use gpio_set_value_cansleep() (Russell King)
- Use devm_kcalloc() to allocate an array (Russell King)
- Use gpio_desc to carry around gpio (Russell King)
- Improve clock/reset handling (Russell King)
- Add PCI Express root complex capability block (Russell King)
- Remove code restricting accesses to slot 0 (Russell King)
NVIDIA Tegra host bridge driver:
- Wrap static pgprot_t initializer with __pgprot() (Ard Biesheuvel)
Renesas R-Car host bridge driver:
- Build pci-rcar-gen2.c only on ARM (Geert Uytterhoeven)
- Build pcie-rcar.c only on ARM (Geert Uytterhoeven)
- Make PCI aware of the I/O resources (Phil Edworthy)
- Remove dependency on ARM-specific struct hw_pci (Phil Edworthy)
- Set root bus nr to that provided in DT (Phil Edworthy)
- Fix I/O offset for multiple host bridges (Phil Edworthy)
ST Microelectronics SPEAr13xx host bridge driver:
- Fix dw_pcie_cfg_read/write() usage (Gabriele Paoloni)
Synopsys DesignWare host bridge driver:
- Make "clocks" and "clock-names" optional DT properties (Bhupesh Sharma)
- Use exact access size in dw_pcie_cfg_read() (Gabriele Paoloni)
- Simplify dw_pcie_cfg_read/write() interfaces (Gabriele Paoloni)
- Require config accesses to be naturally aligned (Gabriele Paoloni)
- Make "num-lanes" an optional DT property (Gabriele Paoloni)
- Move calculation of bus addresses to DRA7xx (Gabriele Paoloni)
- Replace ARM pci_sys_data->align_resource with global function pointer (Gabriele Paoloni)
- Factor out MSI msg setup (Lucas Stach)
- Implement multivector MSI IRQ setup (Lucas Stach)
- Make get_msi_addr() return phys_addr_t, not u32 (Lucas Stach)
- Set up high part of MSI target address (Lucas Stach)
- Fix PORT_LOGIC_LINK_WIDTH_MASK (Zhou Wang)
- Revert "PCI: designware: Program ATU with untranslated address" (Zhou Wang)
- Use of_pci_get_host_bridge_resources() to parse DT (Zhou Wang)
- Make driver arch-agnostic (Zhou Wang)
Miscellaneous:
- Make x86 pci_subsys_init() static (Alexander Kuleshov)
- Turn off Request Attributes to avoid Chelsio T5 Completion erratum (Hariprasad Shenai)"
* tag 'pci-v4.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (94 commits)
PCI: altera: Add Altera PCIe MSI driver
PCI: hisi: Add HiSilicon SoC Hip05 PCIe driver
PCI: layerscape: Add ls_pcie_msi_host_init()
PCI: layerscape: Add support for LS1043a and LS2080a
PCI: layerscape: Remove unused fields from struct ls_pcie
PCI: layerscape: Update ls_add_pcie_port()
PCI: layerscape: Factor out SCFG related function
PCI: layerscape: Ignore PCIe controllers in Endpoint mode
PCI: layerscape: Remove ls_pcie_establish_link()
PCI: designware: Make "clocks" and "clock-names" optional DT properties
PCI: designware: Make driver arch-agnostic
ARM/PCI: Replace pci_sys_data->align_resource with global function pointer
PCI: designware: Use of_pci_get_host_bridge_resources() to parse DT
Revert "PCI: designware: Program ATU with untranslated address"
PCI: designware: Move calculation of bus addresses to DRA7xx
PCI: designware: Make "num-lanes" an optional DT property
PCI: designware: Require config accesses to be naturally aligned
PCI: designware: Simplify dw_pcie_cfg_read/write() interfaces
PCI: designware: Use exact access size in dw_pcie_cfg_read()
PCI: spear: Fix dw_pcie_cfg_read/write() usage
...
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It turns out that we still have issues with the EFI memory map that ends
up polluting our kernel page tables with writable executable pages.
That will get sorted out, but in the meantime let's not make the scary
complaint about them be on by default. The code is useful for
developers, but not ready for end user testing yet.
Acked-by: Borislav Petkov <bp@alien8.de>
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When loading a patch module on a kernel with
!CONFIG_DEBUG_SET_MODULE_RONX, the following crash occurs:
[ 205.988776] livepatch: enabling patch 'kpatch_meminfo_string'
[ 205.989829] BUG: unable to handle kernel paging request at ffffffffa08d2fc0
[ 205.989863] IP: [<ffffffff8154fecb>] do_init_module+0x8c/0x1ba
[ 205.989888] PGD 1a10067 PUD 1a11063 PMD 7bcde067 PTE 3740e161
[ 205.989915] Oops: 0003 [#1] SMP
[ 205.990187] CPU: 2 PID: 14570 Comm: insmod Tainted: G O K 4.1.12
[ 205.990214] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.1-20150318_183358- 04/01/2014
[ 205.990249] task: ffff8800374aaa90 ti: ffff8800794b8000 task.ti: ffff8800794b8000
[ 205.990276] RIP: 0010:[<ffffffff8154fecb>] [<ffffffff8154fecb>] do_init_module+0x8c/0x1ba
[ 205.990307] RSP: 0018:ffff8800794bbd58 EFLAGS: 00010246
[ 205.990327] RAX: 0000000000000000 RBX: ffffffffa08d2fc0 RCX: 0000000000000000
[ 205.990356] RDX: 01ffff8000000080 RSI: 0000000000000000 RDI: ffffffff81a54b40
[ 205.990382] RBP: ffff88007b4c4d80 R08: 0000000000000007 R09: 0000000000000000
[ 205.990408] R10: 0000000000000008 R11: ffffea0001f18840 R12: 0000000000000000
[ 205.990433] R13: 0000000000000001 R14: ffffffffa08d2fc0 R15: ffff88007bd0bc40
[ 205.990459] FS: 00007f1128fbc700(0000) GS:ffff88007fc80000(0000) knlGS:0000000000000000
[ 205.990488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 205.990509] CR2: ffffffffa08d2fc0 CR3: 000000002606e000 CR4: 00000000001406e0
[ 205.990536] Stack:
[ 205.990545] ffff8800794bbec8 0000000000000001 ffffffffa08d3010 ffffffff810ecea9
[ 205.990576] ffffffff810e8e40 000000000005f360 ffff88007bd0bc50 ffffffffa08d3240
[ 205.990608] ffffffffa08d52c0 ffffffffa08d3210 ffff8800794bbed8 ffff8800794bbf1c
[ 205.990639] Call Trace:
[ 205.990651] [<ffffffff810ecea9>] ? load_module+0x1e59/0x23a0
[ 205.990672] [<ffffffff810e8e40>] ? store_uevent+0x40/0x40
[ 205.990693] [<ffffffff810e99b5>] ? copy_module_from_fd.isra.49+0xb5/0x140
[ 205.990718] [<ffffffff810ed5bd>] ? SyS_finit_module+0x7d/0xa0
[ 205.990741] [<ffffffff81556832>] ? system_call_fastpath+0x16/0x75
[ 205.990763] Code: f9 00 00 00 74 23 49 c7 c0 92 e1 60 81 48 8d 53 18 89 c1 4c 89 c6 48 c7 c7 f0 85 7d 81 31 c0 e8 71 fa ff ff e8 58 0e 00 00 31 f6 <c7> 03 00 00 00 00 48 89 da 48 c7 c7 20 c7 a5 81 e8 d0 ec b3 ff
[ 205.990916] RIP [<ffffffff8154fecb>] do_init_module+0x8c/0x1ba
[ 205.990940] RSP <ffff8800794bbd58>
[ 205.990953] CR2: ffffffffa08d2fc0
With !CONFIG_DEBUG_SET_MODULE_RONX, module text and rodata pages are
writable, and the debug_align() macro allows the module struct to share
a page with executable text. When klp_write_module_reloc() calls
set_memory_ro() on the page, it effectively turns the module struct into
a read-only structure, resulting in a page fault when load_module() does
"mod->state = MODULE_STATE_LIVE".
Reported-by: Cyril B. <cbay@alwaysdata.com>
Tested-by: Cyril B. <cbay@alwaysdata.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Kconfig: remove BE-only platforms from LE kernel build from Boqun
Feng
- Refresh ps3_defconfig from Geoff Levand
- Emit GNU & SysV hashes for the vdso from Michael Ellerman
- Define an enum for the bolted SLB indexes from Anshuman Khandual
- Use a local to avoid multiple calls to get_slb_shadow() from Michael
Ellerman
- Add gettimeofday() benchmark from Michael Neuling
- Avoid link stack corruption in __get_datapage() from Michael Neuling
- Add virt_to_pfn and use this instead of opencoding from Aneesh Kumar
K.V
- Add ppc64le_defconfig from Michael Ellerman
- pseries: extract of_helpers module from Andy Shevchenko
- Correct string length in pseries_of_derive_parent() from Nathan
Fontenot
- Free the MSI bitmap if it was slab allocated from Denis Kirjanov
- Shorten irq_chip name for the SIU from Christophe Leroy
- Wait 1s for secondaries to enter OPAL during kexec from Samuel
Mendoza-Jonas
- Fix _ALIGN_* errors due to type difference, from Aneesh Kumar K.V
- powerpc/pseries/hvcserver: don't memset pi_buff if it is null from
Colin Ian King
- Disable hugepd for 64K page size, from Aneesh Kumar K.V
- Differentiate between hugetlb and THP during page walk from Aneesh
Kumar K.V
- Make PCI non-optional for pseries from Michael Ellerman
- Individual System V IPC system calls from Sam bobroff
- Add selftest of unmuxed IPC calls from Michael Ellerman
- discard .exit.data at runtime from Stephen Rothwell
- Delete old orphaned PrPMC 280/2800 DTS and boot file, from Paul
Gortmaker
- Use of_get_next_parent to simplify code from Christophe Jaillet
- Paginate some xmon output from Sam bobroff
- Add some more elements to the xmon PACA dump from Michael Ellerman
- Allow the tm-syscall selftest to build with old headers from Michael
Ellerman
- Run EBB selftests only on POWER8 from Denis Kirjanov
- Drop CONFIG_TUNE_CELL in favour of CONFIG_CELL_CPU from Michael
Ellerman
- Avoid reference to potentially freed memory in prom.c from Christophe
Jaillet
- Quieten boot wrapper output with run_cmd from Geoff Levand
- EEH fixes and cleanups from Gavin Shan
- Fix recursive fenced PHB on Broadcom shiner adapter from Gavin Shan
- Use of_get_next_parent() in of_get_ibm_chip_id() from Michael
Ellerman
- Fix section mismatch warning in msi_bitmap_alloc() from Denis
Kirjanov
- Fix ps3-lpm white space from Rudhresh Kumar J
- Fix ps3-vuart null dereference from Colin King
- nvram: Add missing kfree in error path from Christophe Jaillet
- nvram: Fix function name in some errors messages, from Christophe
Jaillet
- drivers/macintosh: adb: fix misleading Kconfig help text from Aaro
Koskinen
- agp/uninorth: fix a memleak in create_gatt_table from Denis Kirjanov
- cxl: Free virtual PHB when removing from Andrew Donnellan
- scripts/kconfig/Makefile: Allow KBUILD_DEFCONFIG to be a target from
Michael Ellerman
- scripts/kconfig/Makefile: Fix KBUILD_DEFCONFIG check when building
with O= from Michael Ellerman
- Freescale updates from Scott: Highlights include 64-bit book3e
kexec/kdump support, a rework of the qoriq clock driver, device tree
changes including qoriq fman nodes, support for a new 85xx board, and
some fixes.
- MPC5xxx updates from Anatolij: Highlights include a driver for
MPC512x LocalPlus Bus FIFO with its device tree binding
documentation, mpc512x device tree updates and some minor fixes.
* tag 'powerpc-4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (106 commits)
powerpc/msi: Fix section mismatch warning in msi_bitmap_alloc()
powerpc/prom: Use of_get_next_parent() in of_get_ibm_chip_id()
powerpc/pseries: Correct string length in pseries_of_derive_parent()
powerpc/e6500: hw tablewalk: make sure we invalidate and write to the same tlb entry
powerpc/mpc85xx: Add FSL QorIQ DPAA FMan support to the SoC device tree(s)
powerpc/mpc85xx: Create dts components for the FSL QorIQ DPAA FMan
powerpc/fsl: Add #clock-cells and clockgen label to clockgen nodes
powerpc: handle error case in cpm_muram_alloc()
powerpc: mpic: use IRQCHIP_SKIP_SET_WAKE instead of redundant mpic_irq_set_wake
powerpc/book3e-64: Enable kexec
powerpc/book3e-64/kexec: Set "r4 = 0" when entering spinloop
powerpc/booke: Only use VIRT_PHYS_OFFSET on booke32
powerpc/book3e-64/kexec: Enable SMP release
powerpc/book3e-64/kexec: create an identity TLB mapping
powerpc/book3e-64: Don't limit paca to 256 MiB
powerpc/book3e/kdump: Enable crash_kexec_wait_realmode
powerpc/book3e: support CONFIG_RELOCATABLE
powerpc/booke64: Fix args to copy_and_flush
powerpc/book3e-64: rename interrupt_end_book3e with __end_interrupts
powerpc/e6500: kexec: Handle hardware threads
...
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Merge patch-bomb from Andrew Morton:
- inotify tweaks
- some ocfs2 updates (many more are awaiting review)
- various misc bits
- kernel/watchdog.c updates
- Some of mm. I have a huge number of MM patches this time and quite a
lot of it is quite difficult and much will be held over to next time.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (162 commits)
selftests: vm: add tests for lock on fault
mm: mlock: add mlock flags to enable VM_LOCKONFAULT usage
mm: introduce VM_LOCKONFAULT
mm: mlock: add new mlock system call
mm: mlock: refactor mlock, munlock, and munlockall code
kasan: always taint kernel on report
mm, slub, kasan: enable user tracking by default with KASAN=y
kasan: use IS_ALIGNED in memory_is_poisoned_8()
kasan: Fix a type conversion error
lib: test_kasan: add some testcases
kasan: update reference to kasan prototype repo
kasan: move KASAN_SANITIZE in arch/x86/boot/Makefile
kasan: various fixes in documentation
kasan: update log messages
kasan: accurately determine the type of the bad access
kasan: update reported bug types for kernel memory accesses
kasan: update reported bug types for not user nor kernel memory accesses
mm/kasan: prevent deadlock in kasan reporting
mm/kasan: don't use kasan shadow pointer in generic functions
mm/kasan: MODULE_VADDR is not available on all archs
...
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The previous patch introduced a flag that specified pages in a VMA should
be placed on the unevictable LRU, but they should not be made present when
the area is created. This patch adds the ability to set this state via
the new mlock system calls.
We add MLOCK_ONFAULT for mlock2 and MCL_ONFAULT for mlockall.
MLOCK_ONFAULT will set the VM_LOCKONFAULT modifier for VM_LOCKED.
MCL_ONFAULT should be used as a modifier to the two other mlockall flags.
When used with MCL_CURRENT, all current mappings will be marked with
VM_LOCKED | VM_LOCKONFAULT. When used with MCL_FUTURE, the mm->def_flags
will be marked with VM_LOCKED | VM_LOCKONFAULT. When used with both
MCL_CURRENT and MCL_FUTURE, all current mappings and mm->def_flags will be
marked with VM_LOCKED | VM_LOCKONFAULT.
Prior to this patch, mlockall() will unconditionally clear the
mm->def_flags any time it is called without MCL_FUTURE. This behavior is
maintained after adding MCL_ONFAULT. If a call to mlockall(MCL_FUTURE) is
followed by mlockall(MCL_CURRENT), the mm->def_flags will be cleared and
new VMAs will be unlocked. This remains true with or without MCL_ONFAULT
in either mlockall() invocation.
munlock() will unconditionally clear both vma flags. munlockall()
unconditionally clears for VMA flags on all VMAs and in the mm->def_flags
field.
Signed-off-by: Eric B Munson <emunson@akamai.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With the refactored mlock code, introduce a new system call for mlock.
The new call will allow the user to specify what lock states are being
added. mlock2 is trivial at the moment, but a follow on patch will add a
new mlock state making it useful.
Signed-off-by: Eric B Munson <emunson@akamai.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Move KASAN_SANITIZE in arch/x86/boot/Makefile above the comment
related to SVGA_MODE, since the comment refers to 'the next line'.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Konstantin Serebryany <kcc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We decided to use KASAN as the short name of the tool and
KernelAddressSanitizer as the full one. Update log messages according to
that.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Konstantin Serebryany <kcc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With the setup_nr_nodes(), we have already initialized
node_possible_map. So it is safe to use for_each_node here.
There are many places in the kernel that use hardcoded 'for' loop with
nr_node_ids, because all other architectures have numa nodes populated
serially. That should be reason we had maintained the same for
powerpc.
But, since sparse numa node ids possible on powerpc, we unnecessarily
allocate memory for non existent numa nodes.
For e.g., on a system with 0,1,16,17 as numa nodes nr_node_ids=18 and
we allocate memory for nodes 2-14. This patch we allocate memory for
only existing numa nodes.
The patch is boot tested on a 4 node tuleta, confirming with printks
that it works as expected.
Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Cc: Vladimir Davydov <vdavydov@parallels.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Anton Blanchard <anton@samba.org>
Cc: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
Cc: Greg Kurz <gkurz@linux.vnet.ibm.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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probe_kernel_address() is basically the same as the (later added)
probe_kernel_read().
The return value on EFAULT is a bit different: probe_kernel_address()
returns number-of-bytes-not-copied whereas probe_kernel_read() returns
-EFAULT. All callers have been checked, none cared.
probe_kernel_read() can be overridden by the architecture whereas
probe_kernel_address() cannot. parisc, blackfin and um do this, to insert
additional checking. Hence this patch possibly fixes obscure bugs,
although there are only two probe_kernel_address() callsites outside
arch/.
My first attempt involved removing probe_kernel_address() entirely and
converting all callsites to use probe_kernel_read() directly, but that got
tiresome.
This patch shrinks mm/slab_common.o by 218 bytes. For a single
probe_kernel_address() callsite.
Cc: Steven Miao <realmz6@gmail.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull sparc updates from David Miller:
"Just a couple of fixes/cleanups:
- Correct NUMA latency calculations on sparc64, from Nitin Gupta.
- ASI_ST_BLKINIT_MRU_S value was wrong, from Rob Gardner.
- Fix non-faulting load handling of non-quad values, also from Rob
Gardner.
- Cleanup VISsave assembler, from Sam Ravnborg.
- Fix iommu-common code so it doesn't emit rediculous warnings on
some architectures, particularly ARM"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Fix numa distance values
sparc64: Don't restrict fp regs for no-fault loads
iommu-common: Fix error code used in iommu_tbl_range_{alloc,free}().
sparc64: use ENTRY/ENDPROC in VISsave
sparc64: Fix incorrect ASI_ST_BLKINIT_MRU_S value
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Pull KVM updates from Paolo Bonzini:
"First batch of KVM changes for 4.4.
s390:
A bunch of fixes and optimizations for interrupt and time handling.
PPC:
Mostly bug fixes.
ARM:
No big features, but many small fixes and prerequisites including:
- a number of fixes for the arch-timer
- introducing proper level-triggered semantics for the arch-timers
- a series of patches to synchronously halt a guest (prerequisite
for IRQ forwarding)
- some tracepoint improvements
- a tweak for the EL2 panic handlers
- some more VGIC cleanups getting rid of redundant state
x86:
Quite a few changes:
- support for VT-d posted interrupts (i.e. PCI devices can inject
interrupts directly into vCPUs). This introduces a new
component (in virt/lib/) that connects VFIO and KVM together.
The same infrastructure will be used for ARM interrupt
forwarding as well.
- more Hyper-V features, though the main one Hyper-V synthetic
interrupt controller will have to wait for 4.5. These will let
KVM expose Hyper-V devices.
- nested virtualization now supports VPID (same as PCID but for
vCPUs) which makes it quite a bit faster
- for future hardware that supports NVDIMM, there is support for
clflushopt, clwb, pcommit
- support for "split irqchip", i.e. LAPIC in kernel +
IOAPIC/PIC/PIT in userspace, which reduces the attack surface of
the hypervisor
- obligatory smattering of SMM fixes
- on the guest side, stable scheduler clock support was rewritten
to not require help from the hypervisor"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (123 commits)
KVM: VMX: Fix commit which broke PML
KVM: x86: obey KVM_X86_QUIRK_CD_NW_CLEARED in kvm_set_cr0()
KVM: x86: allow RSM from 64-bit mode
KVM: VMX: fix SMEP and SMAP without EPT
KVM: x86: move kvm_set_irq_inatomic to legacy device assignment
KVM: device assignment: remove pointless #ifdefs
KVM: x86: merge kvm_arch_set_irq with kvm_set_msi_inatomic
KVM: x86: zero apic_arb_prio on reset
drivers/hv: share Hyper-V SynIC constants with userspace
KVM: x86: handle SMBASE as physical address in RSM
KVM: x86: add read_phys to x86_emulate_ops
KVM: x86: removing unused variable
KVM: don't pointlessly leave KVM_COMPAT=y in non-KVM configs
KVM: arm/arm64: Merge vgic_set_lr() and vgic_sync_lr_elrsr()
KVM: arm/arm64: Clean up vgic_retire_lr() and surroundings
KVM: arm/arm64: Optimize away redundant LR tracking
KVM: s390: use simple switch statement as multiplexer
KVM: s390: drop useless newline in debugging data
KVM: s390: SCA must not cross page boundaries
KVM: arm: Do not indent the arguments of DECLARE_BITMAP
...
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
"This time including:
- A new IOMMU driver for s390 pci devices
- Common dma-ops support based on iommu-api for ARM64. The plan is
to use this as a basis for ARM32 and hopefully other architectures
as well in the future.
- MSI support for ARM-SMMUv3
- Cleanups and dead code removal in the AMD IOMMU driver
- Better RMRR handling for the Intel VT-d driver
- Various other cleanups and small fixes"
* tag 'iommu-updates-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (41 commits)
iommu/vt-d: Fix return value check of parse_ioapics_under_ir()
iommu/vt-d: Propagate error-value from ir_parse_ioapic_hpet_scope()
iommu/vt-d: Adjust the return value of the parse_ioapics_under_ir
iommu: Move default domain allocation to iommu_group_get_for_dev()
iommu: Remove is_pci_dev() fall-back from iommu_group_get_for_dev
iommu/arm-smmu: Switch to device_group call-back
iommu/fsl: Convert to device_group call-back
iommu: Add device_group call-back to x86 iommu drivers
iommu: Add generic_device_group() function
iommu: Export and rename iommu_group_get_for_pci_dev()
iommu: Revive device_group iommu-ops call-back
iommu/amd: Remove find_last_devid_on_pci()
iommu/amd: Remove first/last_device handling
iommu/amd: Initialize amd_iommu_last_bdf for DEV_ALL
iommu/amd: Cleanup buffer allocation
iommu/amd: Remove cmd_buf_size and evt_buf_size from struct amd_iommu
iommu/amd: Align DTE flag definitions
iommu/amd: Remove old alias handling code
iommu/amd: Set alias DTE in do_attach/do_detach
iommu/amd: WARN when __[attach|detach]_device are called with irqs enabled
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem update from James Morris:
"This is mostly maintenance updates across the subsystem, with a
notable update for TPM 2.0, and addition of Jarkko Sakkinen as a
maintainer of that"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (40 commits)
apparmor: clarify CRYPTO dependency
selinux: Use a kmem_cache for allocation struct file_security_struct
selinux: ioctl_has_perm should be static
selinux: use sprintf return value
selinux: use kstrdup() in security_get_bools()
selinux: use kmemdup in security_sid_to_context_core()
selinux: remove pointless cast in selinux_inode_setsecurity()
selinux: introduce security_context_str_to_sid
selinux: do not check open perm on ftruncate call
selinux: change CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE default
KEYS: Merge the type-specific data with the payload data
KEYS: Provide a script to extract a module signature
KEYS: Provide a script to extract the sys cert list from a vmlinux file
keys: Be more consistent in selection of union members used
certs: add .gitignore to stop git nagging about x509_certificate_list
KEYS: use kvfree() in add_key
Smack: limited capability for changing process label
TPM: remove unnecessary little endian conversion
vTPM: support little endian guests
char: Drop owner assignment from i2c_driver
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"Quite a lot of activity in SPI this cycle, almost all of it in drivers
with a few minor improvements and tweaks in the core.
- Updates to pxa2xx to support Intel Broxton and multiple chip selects.
- Support for big endian in the bcm63xx driver.
- Multiple slave support for the mt8173
- New driver for the auxiliary SPI controller in bcm2835 SoCs.
- Support for Layerscale SoCs in the Freescale DSPI driver"
* tag 'spi-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (87 commits)
spi: pxa2xx: Rework self-initiated platform data creation for non-ACPI
spi: pxa2xx: Add support for Intel Broxton
spi: pxa2xx: Detect number of enabled Intel LPSS SPI chip select signals
spi: pxa2xx: Add output control for multiple Intel LPSS chip selects
spi: pxa2xx: Use LPSS prefix for defines that are Intel LPSS specific
spi: Add DSPI support for layerscape family
spi: ti-qspi: improve ->remove() callback
spi/spi-xilinx: Fix race condition on last word read
spi: Drop owner assignment from spi_drivers
spi: Add THIS_MODULE to spi_driver in SPI core
spi: Setup the master controller driver before setting the chipselect
spi: dw: replace magic constant by DW_SPI_DR
spi: mediatek: mt8173 spi multiple devices support
spi: mediatek: handle controller_data in mtk_spi_setup
spi: mediatek: remove mtk_spi_config
spi: mediatek: Update document devicetree bindings to support multiple devices
spi: fix kernel-doc warnings about missing return desc in spi.c
spi: fix kernel-doc warnings about missing return desc in spi.h
spi: pxa2xx: Align a few defines
spi: pxa2xx: Save other reg_cs_ctrl bits when configuring chip select
...
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"The majority of the changes are driver updates and new device support.
The core framework is mostly unchanged this time around, with only a
couple patches to expose a clk provider API and make getting clk
parent names from DT more robust.
Driver updates:
- Support for clock controllers found on Broadcom Northstar SoCs and
bcm2835 SoC
- Support for Allwinner audio clocks
- A few cleanup patches for Tegra drivers and support for the highest
DFLL frequencies on Tegra124
- Samsung exynos7 fixes and improvements
- i.Mx SoC updates to add a few missing clocks and keep debug uart
clocks on during kernel intialization
- Some mediatek cleanups and support for more subsystem clocks
- Support for msm8916 gpu/audio clocks and qcom's GDSC power domain
controllers
- A new driver for the Silabs si514 clock chip"
* tag 'clk-for-linus-20151104' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (143 commits)
clk: qcom: msm8960: Fix dsi1/2 halt bits
clk: lpc18xx-cgu: fix potential system hang when disabling unused clocks
clk: lpc18xx-ccu: fix potential system hang when disabling unused clocks
clk: Add clk_hw_is_enabled() for use by clk providers
clk: Add stubs for of_clk_*() APIs when CONFIG_OF=n
clk: versatile-icst: fix memory leak
clk: Remove clk_{register,unregister}_multiplier()
clk: iproc: define Broadcom NS2 iProc clock binding
clk: iproc: define Broadcom NSP iProc clock binding
clk: ns2: add clock support for Broadcom Northstar 2 SoC
clk: iproc: Separate status and control variables
clk: iproc: Split off dig_filter
clk: iproc: Add PLL base write function
clk: nsp: add clock support for Broadcom Northstar Plus SoC
clk: iproc: Add PWRCTRL support
clk: cygnus: Convert all macros to all caps
ARM: cygnus: fix link failures when CONFIG_COMMON_CLK_IPROC is disabled
clk: imx31: add missing of_node_put
clk: imx27: add missing of_node_put
clk: si5351: add missing of_node_put
...
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- new AXP20X USB Power driver
- new Qualcomm SMBB driver
- new TPS65217 Charger driver
- BQ24257: add BQ24250/BQ24251 support
- overhaul bq27x00 battery driver, rename to bq27xxx
- misc fixes and cleanups
* tag 'for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (54 commits)
power: bq27xxx_battery: Remove unneeded dependency in Kconfig
power: bq27xxx_battery: move irq handler to i2c section
power: bq27xxx_battery: fix platform probe
twl4030_charger: add missing iio dependency
power_supply: charger-manager: add missing of_node_put
Documentation: power: bq24257: Document exported sysfs entries
power: bq24257: Add various device-specific sysfs properties
power: bq24257: Allow input current limit sysfs access
power: bq24257: Add input DPM voltage threshold setting support
power: bq24257: Add over voltage protection setting support
power: bq24257: Add SW-based approach for Power Good determination
power: bq24257: Allow manual setting of input current limit
power: bq24257: Add bit definition for temp sense enable
power: bq24257: Add basic support for bq24250/bq24251
dt: power: bq24257-charger: Cover additional devices
power: bq24257: Simplify bq24257_power_supply_init()
power: bq24257: Use managed power supply register
power: bq24257: Streamline input current limit setup
power: bq24257: Remove IRQ config through stat-gpios
power: bq27xxx_battery: fix signedness bug in bq27xxx_battery_read_health()
...
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I found PML was broken since below commit:
commit feda805fe7c4ed9cf78158e73b1218752e3b4314
Author: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Date: Wed Sep 9 14:05:55 2015 +0800
KVM: VMX: unify SECONDARY_VM_EXEC_CONTROL update
Unify the update in vmx_cpuid_update()
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
[Rewrite to use vmcs_set_secondary_exec_control. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The reason is in above commit vmx_cpuid_update calls vmx_secondary_exec_control,
in which currently SECONDARY_EXEC_ENABLE_PML bit is cleared unconditionally (as
PML is enabled in creating vcpu). Therefore if vcpu_cpuid_update is called after
vcpu is created, PML will be disabled unexpectedly while log-dirty code still
thinks PML is used.
Fix this by clearing SECONDARY_EXEC_ENABLE_PML in vmx_secondary_exec_control
only when PML is not supported or not enabled (!enable_pml). This is more
reasonable as PML is currently either always enabled or disabled. With this
explicit updating SECONDARY_EXEC_ENABLE_PML in vmx_enable{disable}_pml is not
needed so also rename vmx_enable{disable}_pml to vmx_create{destroy}_pml_buffer.
Fixes: feda805fe7c4ed9cf78158e73b1218752e3b4314
Signed-off-by: Kai Huang <kai.huang@linux.intel.com>
[While at it, change a wrong ASSERT to an "if". The condition can happen
if creating the VCPU fails with ENOMEM. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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MPC5xxx updates from Anatolij:
"Highlights include a driver for MPC512x LocalPlus Bus FIFO with its
device tree binding documentation, mpc512x device tree updates and some
minor fixes."
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big char/misc driver update for 4.4-rc1. Lots of
different driver and subsystem updates, hwtracing being the largest
with the addition of some new platforms that are now supported. Full
details in the shortlog.
All of these have been in linux-next for a long time with no reported
issues"
* tag 'char-misc-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (181 commits)
fpga: socfpga: Fix check of return value of devm_request_irq
lkdtm: fix ACCESS_USERSPACE test
mcb: Destroy IDA on module unload
mcb: Do not return zero on error path in mcb_pci_probe()
mei: bus: set the device name before running fixup
mei: bus: use correct lock ordering
mei: Fix debugfs filename in error output
char: ipmi: ipmi_ssif: Replace timeval with timespec64
fpga: zynq-fpga: Fix issue with drvdata being overwritten.
fpga manager: remove unnecessary null pointer checks
fpga manager: ensure lifetime with of_fpga_mgr_get
fpga: zynq-fpga: Change fw format to handle bin instead of bit.
fpga: zynq-fpga: Fix unbalanced clock handling
misc: sram: partition base address belongs to __iomem space
coresight: etm3x: adding documentation for sysFS's cpu interface
vme: 8-bit status/id takes 256 values, not 255
fpga manager: Adding FPGA Manager support for Xilinx Zynq 7000
ARM: zynq: dt: Updated devicetree for Zynq 7000 platform.
ARM: dt: fpga: Added binding docs for Xilinx Zynq FPGA manager.
ver_linux: proc/modules, limit text processing to 'sed'
...
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