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When dlm_add_migration_mle returns -EEXIST, previously input mle will
not be initialized. So we can't use its associated dlm object. And we
truly don't need this mle for already launched migration progress, since
oldmle has taken this role.
Link: http://lkml.kernel.org/r/63ADC13FD55D6546B7DECE290D39E373CED7AA61@H3CMLB14-EX.srv.huawei-3com.com
Signed-off-by: Changwei Ge <ge.changwei@h3c.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The subsystem.su_mutex is required while accessing the item->ci_parent,
otherwise, NULL pointer dereference to the item->ci_parent will be
triggered in the following situation:
add node delete node
sys_write
vfs_write
configfs_write_file
o2nm_node_store
o2nm_node_local_write
do_rmdir
vfs_rmdir
configfs_rmdir
mutex_lock(&subsys->su_mutex);
unlink_obj
item->ci_group = NULL;
item->ci_parent = NULL;
to_o2nm_cluster_from_node
node->nd_item.ci_parent->ci_parent
BUG since of NULL pointer dereference to nd_item.ci_parent
Moreover, the o2nm_cluster also should be protected by the
subsystem.su_mutex.
[alex.chen@huawei.com: v2]
Link: http://lkml.kernel.org/r/59EEAA69.9080703@huawei.com
Link: http://lkml.kernel.org/r/59E9B36A.10700@huawei.com
Signed-off-by: Alex Chen <alex.chen@huawei.com>
Reviewed-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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ip_alloc_sem should be taken in ocfs2_get_block() when reading file in
DIRECT mode to prevent concurrent access to extent tree with
ocfs2_dio_end_io_write(), which may cause BUGON in the following
situation:
read file 'A' end_io of writing file 'A'
vfs_read
__vfs_read
ocfs2_file_read_iter
generic_file_read_iter
ocfs2_direct_IO
__blockdev_direct_IO
do_blockdev_direct_IO
do_direct_IO
get_more_blocks
ocfs2_get_block
ocfs2_extent_map_get_blocks
ocfs2_get_clusters
ocfs2_get_clusters_nocache()
ocfs2_search_extent_list
return the index of record which
contains the v_cluster, that is
v_cluster > rec[i]->e_cpos.
ocfs2_dio_end_io
ocfs2_dio_end_io_write
down_write(&oi->ip_alloc_sem);
ocfs2_mark_extent_written
ocfs2_change_extent_flag
ocfs2_split_extent
...
--> modify the rec[i]->e_cpos, resulting
in v_cluster < rec[i]->e_cpos.
BUG_ON(v_cluster < le32_to_cpu(rec->e_cpos))
[alex.chen@huawei.com: v3]
Link: http://lkml.kernel.org/r/59EF3614.6050008@huawei.com
Link: http://lkml.kernel.org/r/59EF3614.6050008@huawei.com
Fixes: c15471f79506 ("ocfs2: fix sparse file & data ordering issue in direct io")
Signed-off-by: Alex Chen <alex.chen@huawei.com>
Reviewed-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Reviewed-by: Gang He <ghe@suse.com>
Acked-by: Changwei Ge <ge.changwei@h3c.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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we should wait dio requests to finish before inode lock in
ocfs2_setattr(), otherwise the following deadlock will happen:
process 1 process 2 process 3
truncate file 'A' end_io of writing file 'A' receiving the bast messages
ocfs2_setattr
ocfs2_inode_lock_tracker
ocfs2_inode_lock_full
inode_dio_wait
__inode_dio_wait
-->waiting for all dio
requests finish
dlm_proxy_ast_handler
dlm_do_local_bast
ocfs2_blocking_ast
ocfs2_generic_handle_bast
set OCFS2_LOCK_BLOCKED flag
dio_end_io
dio_bio_end_aio
dio_complete
ocfs2_dio_end_io
ocfs2_dio_end_io_write
ocfs2_inode_lock
__ocfs2_cluster_lock
ocfs2_wait_for_mask
-->waiting for OCFS2_LOCK_BLOCKED
flag to be cleared, that is waiting
for 'process 1' unlocking the inode lock
inode_dio_end
-->here dec the i_dio_count, but will never
be called, so a deadlock happened.
Link: http://lkml.kernel.org/r/59F81636.70508@huawei.com
Signed-off-by: Alex Chen <alex.chen@huawei.com>
Reviewed-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Acked-by: Changwei Ge <ge.changwei@h3c.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Link: http://lkml.kernel.org/r/59C5D7D6.9050106@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Alex Chen <alex.chen@huawei.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When a node dies, other live nodes have to choose a new master for an
existed lock resource mastered by the dead node.
As for ocfs2/dlm implementation, this is done by function -
dlm_move_lockres_to_recovery_list which marks those lock rsources as
DLM_LOCK_RES_RECOVERING and manages them via a list from which DLM
changes lock resource's master later.
So without invoking dlm_move_lockres_to_recovery_list, no master will be
choosed after dlm recovery accomplishment since no lock resource can be
found through ::resource list.
What's worse is that if DLM_LOCK_RES_RECOVERING is not marked for lock
resources mastered a dead node, it will break up synchronization among
nodes.
So invoke dlm_move_lockres_to_recovery_list again.
Fixs: 'commit ee8f7fcbe638 ("ocfs2/dlm: continue to purge recovery lockres when recovery master goes down")'
Link: http://lkml.kernel.org/r/63ADC13FD55D6546B7DECE290D39E373CED6E0F9@H3CMLB14-EX.srv.huawei-3com.com
Signed-off-by: Changwei Ge <ge.changwei@h3c.com>
Reported-by: Vitaly Mayatskih <v.mayatskih@gmail.com>
Tested-by: Vitaly Mayatskikh <v.mayatskih@gmail.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Link: http://lkml.kernel.org/r/59E064BB.8000005@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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destroy_workqueue() will do flushing work for us.
Link: http://lkml.kernel.org/r/59E06476.3090502@huawei.com
Signed-off-by: Jun Piao <piaojun@huawei.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Link: http://lkml.kernel.org/r/71604351584F6A4EBAE558C676F37CA4D0743232@H3CMLB12-EX.srv.huawei-3com.com
Signed-off-by: guozhonghua <guozhonghua@h3c.com>
Acked-by: Changwei Ge <ge.changwei@h3c.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The m32r Kconfig provides both CPU_BIG_ENDIAN and CPU_LITTLE_ENDIAN
configuration options. As they are user-selectable and independent,
this allows invalid configurations:
- All m32r defconfigs build a big endian kernel, but CPU_BIG_ENDIAN is
not set, causing compiler warnings like:
include/linux/byteorder/big_endian.h:7:2: warning: #warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN [-Wcpp]
#warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN
^
- Since commit 5bdfca6435b82944 ("m32r: define CPU_BIG_ENDIAN"),
building an allmodconfig or allyesconfig enables both
CONFIG_CPU_BIG_ENDIAN and CONFIG_CPU_LITTLE_ENDIAN.
While this did get rid of the warning above, both options are
obviously mutually exclusive.
Fix this by making only CPU_LITTLE_ENDIAN configurable by the user, as
before, and by making sure exactly one of CPU_BIG_ENDIAN and
CPU_LITTLE_ENDIAN is always enabled.
Link: http://lkml.kernel.org/r/1509361505-18150-1-git-send-email-geert@linux-m68k.org
Fixes: 5bdfca6435b82944 ("m32r: define CPU_BIG_ENDIAN")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch provides 3 new arguments for bloat-o-meter
1) -c -> for all (showing function and data differently)
2) -d -> data
3) -t -> function
output:
./scripts/bloat-o-meter -c "file1" "file2"
add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-152 (-152)
Function old new delta
main 412 260 -152
Total: Before=548, After=396, chg -27.74%
##########################################################
add/remove: 1/0 grow/shrink: 1/0 up/down: 84/0 (84)
Data old new delta
arr - 64 +64
backtrace 60 80 +20
Total: Before=109, After=193, chg +77.06%
##########################################################
add/remove: 0/1 grow/shrink: 0/0 up/down: 0/-64 (-64)
RO Data old new delta
arr 64 - -64
Total: Before=68, After=4, chg -94.12%
[maninder1.s@samsung.com: v1 -> v2]
Link: http://lkml.kernel.org/r/1506569402-24787-1-git-send-email-maninder1.s@samsung.com
Link: http://lkml.kernel.org/r/1506336313-27187-1-git-send-email-maninder1.s@samsung.com
Signed-off-by: Vaneet Narang <v.narang@samsung.com>
Signed-off-by: Maninder Singh <maninder1.s@samsung.com>
Cc: Amit Sahrawat <a.sahrawat@samsung.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: <pankaj.m@samsung.com>
Cc: <a.sahrawat@samsung.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/arm64/linux
Pull arm64 updates from Will Deacon:
"The big highlight is support for the Scalable Vector Extension (SVE)
which required extensive ABI work to ensure we don't break existing
applications by blowing away their signal stack with the rather large
new vector context (<= 2 kbit per vector register). There's further
work to be done optimising things like exception return, but the ABI
is solid now.
Much of the line count comes from some new PMU drivers we have, but
they're pretty self-contained and I suspect we'll have more of them in
future.
Plenty of acronym soup here:
- initial support for the Scalable Vector Extension (SVE)
- improved handling for SError interrupts (required to handle RAS
events)
- enable GCC support for 128-bit integer types
- remove kernel text addresses from backtraces and register dumps
- use of WFE to implement long delay()s
- ACPI IORT updates from Lorenzo Pieralisi
- perf PMU driver for the Statistical Profiling Extension (SPE)
- perf PMU driver for Hisilicon's system PMUs
- misc cleanups and non-critical fixes"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (97 commits)
arm64: Make ARMV8_DEPRECATED depend on SYSCTL
arm64: Implement __lshrti3 library function
arm64: support __int128 on gcc 5+
arm64/sve: Add documentation
arm64/sve: Detect SVE and activate runtime support
arm64/sve: KVM: Hide SVE from CPU features exposed to guests
arm64/sve: KVM: Treat guest SVE use as undefined instruction execution
arm64/sve: KVM: Prevent guests from using SVE
arm64/sve: Add sysctl to set the default vector length for new processes
arm64/sve: Add prctl controls for userspace vector length management
arm64/sve: ptrace and ELF coredump support
arm64/sve: Preserve SVE registers around EFI runtime service calls
arm64/sve: Preserve SVE registers around kernel-mode NEON use
arm64/sve: Probe SVE capabilities and usable vector lengths
arm64: cpufeature: Move sys_caps_initialised declarations
arm64/sve: Backend logic for setting the vector length
arm64/sve: Signal handling support
arm64/sve: Support vector length resetting for new processes
arm64/sve: Core task context handling
arm64/sve: Low-level CPU setup
...
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git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux
Pull RISC-V architecture support from Palmer Dabbelt:
"This contains the core RISC-V Linux port, which has been through nine
rounds of review on various mailing lists. The port is not complete:
there's some cleanup patches moving through the review process, a
whole bunch of drivers that need some work, and a lot of feature
additions that will be needed.
The patches contained in this tag have been through nine rounds of
review on the various mailing lists. I have some outstanding cleanup
patches, but since there's been so much review on these patches I
thought it would be best to submit them as-is and then submit explicit
cleanup patches so everyone can review them. This first patch set is
big enough that it's a bit of a pain to constantly rewrite, and it's
caused a few headaches with various contributors.
The port is definately a work in progress. While what's there builds
and boots with 4.14, it's a bit hard to actually see anything happen
because there are no device drivers yet. I maintain a staging branch
that contains all the device drivers and cleanup that actually works,
but those patches won't all be ready for a while. I'd like to get what
we currently have into your tree so everyone can start working from a
single base -- of particular importance is allowing the glibc
upstreaming process to proceed so we can sort out any possibly
lingering user-visible ABI problems we might have.
Copied below is the ChangeLog that contains the history of this patch
set:
(v9) As per suggestions on our v8 patch set, I've split the core
architecture code out from our drivers and would like to submit
this patch set to be included into linux-next, with the goal
being to be merged in during the next merge window. This patch
set is based on 4.14-rc2, but if it's better to have it based on
something else then I can change it around.
This patch set contains just the core arch code for RISC-V, so
while it builds an nominally boots, you can't print or take an
interrupt so it's not that useful. If you're looking to actually
boot a system it would probably be better to use the full patch
set listed below.
We've collected a handful of tags from reviewers, and the
remainder of the patch set only got minimal feedback last time.
Here's what changed:
- We now use the device tree to initialize the timer driver so
it's less tighly coupled with the arch port.
- I cleaned up the defconfigs -- there's actually now just one,
and it's empty. For now I think we're OK with what the kernel
sets as defaults, but I anticipate we'll begin to expand this
as people start to use the port more.
- The VDSO symbols version is sane.
- We WFI while spinning in the boot loop.
- A handful of comments have been added.
While there are still a handful of FIXMEs in this patch set,
we've started to get enough interest from various users and
contributors that maintaining an out of tree patch set is
starting to become a big burden. Hopefully the patches are good
enough to merge now, which will at least get everyone working in
a more reasonable manner as we clean up the remaining issues.
(v8) I know it may not be the ideal time to submit a patch set right
now, as it's the middle of the merge window, but things have
calmed down quite a bit in the last month so I thought it would
be good to get everyone on the same page. There's been a handful
of changes since the last patch set, but most of them are fairly
minor:
- We changed PAGE_OFFSET to allowing mapping more physical
memory on 64-bit systems. This is user configurable, as it
triggers a different code model that generates slightly less
efficient code.
- The device tree binding documentation is back, I'd managed to
lose it at some point.
- We now pass the atomic64 test suite
- The SBI timer driver has been refactored.
(v7) It's been a while since my last patch set, but the changes han
been fairly minimal:
- The PCI cleanup patches have been dropped, we'll do them as a
separate patch set later.
- We've the Kconfig entries from CONFIG_ISA_* to
CONFIG_RISCV_ISA_*, to make grep easier.
- There have been a handful of memory model related tweaks in
I/O land, particularly relating the PCI and the upcoming
platform specification. There are significant comments in the
relevant files. This is still a WIP, but I think we're close
to getting as good as we're going to get until we end up with
some more specifications.
(v6) As it's been only a day since the v5 patch set, the changes are
pretty minimal:
- The patch set is now based on linux-next/master, which I
believe is a better base now that we're getting closer to
upstream.
- EARLY_PRINTK is no longer an option. Since the SBI console is
reasonable, there's no penalty to enabling it (and thus no
benefit to disabling it).
- The mmap syscalls were refactored a bit.
(v5) Things have really started to calm down, so this is fairly
similar to the v4 patch set. The most interesting changes
include:
- We've moved back to a single patch set.
- SMP support has been fixed, I was accidentally running on a
non-SMP configuration. There were various mistakes all over
the tree as a result of this.
- The cmpxchg syscalls have been removed, as they were deemed a
bad idea. As a result, RISC-V Linux systems mandate the A
extension. The corresponding Kconfig entry to enable builds
on non-A systems has been removed.
- A few more atomic fixes: mostly fence changes, but those
resulted in a handful of additional macros that were no
longer necessary.
- riscv_early_sie has been removed.
(v4) There have only been a few changes since the v3 patch set:
- The cmpxchg64 syscall is no longer enabled on 32-bit systems.
It's not possible to provide this on SMP systems, and it's
not necessary as glibc knows not to call it.
- We provide a ELF_HWCAP so users can determine the ISA of the
machine the kernel is running on.
- The multi-line comments are in a better form.
- There were a handful of headers that could be replaced with
the asm-generic versions, and a few unnecessary definitions.
- We no longer use printk, but instead use pr_*.
- A few Kconfig and defconfig entries have been cleaned up.
(v3) A highlight of the changes since the v2 patch set includes:
- We've split out all our drivers into separate patch sets,
which I've already sent out to the relevant maintainers. I
haven't included those patches in this patch set, but some of
them are necessary to build our port.
- The patch set is now split up differently: rather than being
split per directory it is split per topic. Hopefully this
will make it easier to review the port on the mailing list.
The split is a bit rough, so you probably still want to look
at the patch set as a whole.
- atomic.h has been completely rewritten and is hopefully now
correct. I've attempted to sanitize the various other memory
model related code as well, and I think it should all be sane
now aside from a handful of FIXMEs commented in the code.
- We've changed the cmpexchg syscall to always exist and to not
be multiplexed. There is also a VDSO entry for compare and
exchange, which allows kernels with the A extension to
execute user code without the A extension reasonably fast.
- Our user-visible register state now contains enough space for
the Q extension for 128-bit floating point, as well as a few
words to allow extensibility to future ISA extensions like
the eventual V extension for vectors.
- A handful of driver cleanups, but these have been split into
separate patch sets now so I won't duplicate them here.
(v2) A highlight of the changes since the v1 patch set includes:
- We've split out our drivers into the right places, which
means now there's a lot more patches. I'll be submitting
these patches to various subsystem maintainers and including
them in any future RISC-V patch sets until they've been
merged.
- The SBI console driver has been completely rewritten to use
the HVC helpers and is now significantly smaller.
- We've begun to use weaker barriers as opposed to just the big
"fence". There's still some work to do here, specifically:
- We need fences in the relaxed MMIO functions.
- The non-relaxed MMIO functions are missing R/W bits on their fences.
- Many AMOs need the aq and rl bits set.
- We now have thread_info in task_struct. As a result, sscratch
now contains TP instead of SP. This was necessary because
thread_info is no longer on the stack.
- A few shared routines have been added that we use instead of
creating another arch copy"
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
* tag 'riscv-for-linus-4.15-arch-v9-premerge' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux:
RISC-V: Build Infrastructure
RISC-V: User-facing API
RISC-V: Paging and MMU
RISC-V: Device, timer, IRQs, and the SBI
RISC-V: Task implementation
RISC-V: ELF and module implementation
RISC-V: Generic library routines and assembly
RISC-V: Atomic and Locking Code
RISC-V: Init and Halt Code
dt-bindings: RISC-V CPU Bindings
lib: Add shared copies of some GCC library routines
MAINTAINERS: Add RISC-V
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
Pull livepatching updates from Jiri Kosina:
- shadow variables support, allowing livepatches to associate new
"shadow" fields to existing data structures, from Joe Lawrence
- pre/post patch callbacks API, allowing livepatch writers to register
callbacks to be called before and after patch application, from Joe
Lawrence
* 'for-linus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: __klp_disable_patch() should never be called for disabled patches
livepatch: Correctly call klp_post_unpatch_callback() in error paths
livepatch: add transition notices
livepatch: move transition "complete" notice into klp_complete_transition()
livepatch: add (un)patch callbacks
livepatch: Small shadow variable documentation fixes
livepatch: __klp_shadow_get_or_alloc() is local to shadow.c
livepatch: introduce shadow variable API
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
"The usual rocket-science from trivial tree for 4.15"
* 'for-linus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
MAINTAINERS: relinquish kconfig
MAINTAINERS: Update my email address
treewide: Fix typos in Kconfig
kfifo: Fix comments
init/Kconfig: Fix module signing document location
misc: ibmasm: Return error on error path
HID: logitech-hidpp: fix mistake in printk, "feeback" -> "feedback"
MAINTAINERS: Correct path to uDraw PS3 driver
tracing: Fix doc mistakes in trace sample
tracing: Kconfig text fixes for CONFIG_HWLAT_TRACER
MIPS: Alchemy: Remove reverted CONFIG_NETLINK_MMAP from db1xxx_defconfig
mm/huge_memory.c: fixup grammar in comment
lib/xz: Add fall-through comments to a switch statement
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
- high resolution mode for Dell canvas support, from Benjamin Tissoires
- pen handling fixes for the Wacom driver, from Jason Gerecke
- i2c-hid: Apollo-Lake based laptops improvements, from Hans de Goede
- Input/Core: eraser tool support, from Ping Cheng
- new ALPS touchpad (T4, found currently on HP EliteBook 1000, Zbook
Stduio and HP Elite book x360) supportm from Masaki Ota
- other smaller assorted fixes
* 'for-linus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (33 commits)
HID: cp2112: fix broken gpio_direction_input callback
HID: cp2112: fix interface specification URL
HID: Wacom: switch Dell canvas into highres mode
HID: wacom: generic: Send BTN_STYLUS3 when both barrel switches are set
HID: sony: Fix SHANWAN pad rumbling on USB
HID: i2c-hid: Add no-irq-after-reset quirk for 0911:5288 device
HID: add backlight level quirk for Asus ROG laptops
HID: cp2112: add HIDRAW dependency
HID: Add ID 044f:b605 ThrustMaster, Inc. force feedback Racing Wheel
HID: hid-logitech: remove redundant assignment to pointer value
HID: wacom: generic: Recognize WACOM_HID_WD_PEN as a type of pen collection
HID: rmi: Check that a device is a RMI device before calling RMI functions
HID: add multi-input quirk for GamepadBlock
HID: alps: add new U1 device ID
HID: alps: add support for Alps T4 Touchpad device
HID: alps: remove variables local to u1_init() from the device struct
HID: alps: properly handle max_fingers and minimum on X and Y axis
HID: alps: Separate U1 device code
HID: alps: delete unnecessary struct u1_dev devInfo
HID: usbhid: Convert timers to use timer_setup()
...
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- High resolution mode for DEll canvas support, from Benjamin Tissoires
- A lot of improvements to pen handling in the Wacom driver, from Jason Gerecke
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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- usbhid: conversion to timer_setup() and from_timer() from Kees Cook
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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- cp2112: GPIO error handling and Kconfig fixes from Sébastien Szymanski
- i2c-hid: fixup / quirk for Apollo-Lake based laptops, from Hans de Goede
- Input/Core: add eraser tool support, from Ping Cheng
- small assorted code fixes
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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- SHANWAN PS3 rumble fix from Bastien Nocera
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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- make sure that we forward MSC_TIMESTAMP in accordance to the specification,
from Nicolas Boichat
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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- small code fixes for Logitech driver from Colin Ian King
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- trivial printk() line termination fix for HyperV
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- Asus laptop fixes (fn keys, backlight), from Mustafa Kuscu and
Maxime Bellengé
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- New ALPS touchpad (T4, found currently on HP EliteBook 1000, Zbook Stduio
and HP Elite book x360) support from Masaki Ota
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- Wacom: recognize PEN application collection properly, from Jason Gerecke
- RMI: avoid cofusion caused by RMI functions being by mistake called on
non-RMI devices, from Andrew Duggan
- small device-ID-specific quirks/fixes
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This pulls in an infrastructure/API that allows livepatch writers to
register pre-patch and post-patch callbacks that allow for running a
glue code necessary for finalizing the patching if necessary.
Conflicts:
kernel/livepatch/core.c
- trivial conflict by adding a callback call into
module going notifier vs. moving that code block
to klp_cleanup_module_patches_limited()
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Shadow variables allow callers to associate new shadow fields to existing data
structures. This is intended to be used by livepatch modules seeking to
emulate additions to data structure definitions.
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree updates from Rob Herring:
"A bigger diffstat than usual with the kbuild changes and a tree wide
fix in the binding documentation.
Summary:
- kbuild cleanups and improvements for dtbs
- Code clean-up of overlay code and fixing for some long standing
memory leak and race condition in applying overlays
- Improvements to DT memory usage making sysfs/kobjects optional and
skipping unflattening of disabled nodes. This is part of kernel
tinification efforts.
- Final piece of removing storing the full path for every DT node.
The prerequisite conversion of printk's to use device_node format
specifier happened in 4.14.
- Sync with current upstream dtc. This brings additional checks to
dtb compiling.
- Binding doc tree wide removal of leading 0s from examples
- RTC binding documentation adding missing devices and some
consolidation of duplicated bindings
- Vendor prefix documentation for nutsboard, Silicon Storage
Technology, shimafuji, Tecon Microprocessor Technologies, DH
electronics GmbH, Opal Kelly, and Next Thing"
* tag 'devicetree-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (55 commits)
dt-bindings: usb: add #phy-cells to usb-nop-xceiv
dt-bindings: Remove leading zeros from bindings notation
kbuild: handle dtb-y and CONFIG_OF_ALL_DTBS natively in Makefile.lib
MIPS: dts: remove bogus bcm96358nb4ser.dtb from dtb-y entry
kbuild: clean up *.dtb and *.dtb.S patterns from top-level Makefile
.gitignore: move *.dtb and *.dtb.S patterns to the top-level .gitignore
.gitignore: sort normal pattern rules alphabetically
dt-bindings: add vendor prefix for Next Thing Co.
scripts/dtc: Update to upstream version v1.4.5-6-gc1e55a5513e9
of: dynamic: fix memory leak related to properties of __of_node_dup
of: overlay: make pr_err() string unique
of: overlay: pr_err from return NOTIFY_OK to overlay apply/remove
of: overlay: remove unneeded check for NULL kbasename()
of: overlay: remove a dependency on device node full_name
of: overlay: simplify applying symbols from an overlay
of: overlay: avoid race condition between applying multiple overlays
of: overlay: loosen overly strict phandle clash check
of: overlay: expand check of whether overlay changeset can be removed
of: overlay: detect cases where device tree may become corrupt
of: overlay: minor restructuring
...
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
"New LED class driver:
- add a driver for PC Engines APU/APU2 LEDs
New LED trigger:
- add a system activity LED trigger
LED core improvements:
- replace flags bit shift with BIT() macros
Convert timers to use timer_setup() in:
- led-core
- ledtrig-activity
- ledtrig-heartbeat
- ledtrig-transient
LED class drivers fixes:
- lp55xx: fix spelling mistake: 'cound' -> 'could'
- tca6507: Remove unnecessary reg check
- pca955x: Don't invert requested value in pca955x_gpio_set_value()
LED documentation improvements:
- update 00-INDEX file"
* tag 'leds_for_4.15rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: Add driver for PC Engines APU/APU2 LEDs
leds: lp55xx: fix spelling mistake: 'cound' -> 'could'
leds: Convert timers to use timer_setup()
Documentation: leds: Update 00-INDEX file
leds: tca6507: Remove unnecessary reg check
leds: ledtrig-heartbeat: Convert timers to use timer_setup()
leds: Replace flags bit shift with BIT() macros
leds: pca955x: Don't invert requested value in pca955x_gpio_set_value()
leds: ledtrig-activity: Add a system activity LED trigger
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- three new touchscreen drivers: EETI EXC3000, HiDeep, and Samsung
S6SY761
- the timer API conversion (setup_timer() -> timer_setup())
- a few drivers swiytched to using managed API for creating custom
device attributes
- other assorted fixed and cleanups.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (50 commits)
Input: gamecon - mark expected switch fall-throughs
Input: sidewinder - mark expected switch fall-throughs
Input: spaceball - mark expected switch fall-throughs
Input: uinput - unlock on allocation failure in ioctl
Input: add support for the Samsung S6SY761 touchscreen
Input: add support for HiDeep touchscreen
Input: st1232 - remove obsolete platform device support
Input: convert autorepeat timer to use timer_setup()
media: ttpci: remove autorepeat handling and use timer_setup
Input: cyttsp4 - avoid overflows when calculating memory sizes
Input: mxs-lradc - remove redundant assignment to pointer input
Input: add I2C attached EETI EXC3000 multi touch driver
Input: goodix - support gt1151 touchpanel
Input: ps2-gpio - actually abort probe when connected to sleeping GPIOs
Input: hil_mlc - convert to using timer_setup()
Input: hp_sdc - convert to using timer_setup()
Input: touchsceen - convert timers to use timer_setup()
Input: keyboard - convert timers to use timer_setup()
Input: uinput - fold header into the driver proper
Input: uinput - remove uinput_allocate_device()
...
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"There are no big surprising changes in this cycle, yet not too boring,
either. The biggest change from diffstat POV is the removal of the
legacy OSS driver codes that have been already disabled for a long
time. This will bring a few trivial merge conflicts.
As new features in ASoC side, there are two things: a new AC97 bus
implementation and AMD Stony platform support. Both include the
relevant changes shared with other subsystems, e.g. AC97 MFD changes
and DRM AMD changes.
Some other highlighted topics are:
- A bunch of USB-audio drivers got the hardening against the
malicious device accesses with a new helper code for endpoint
sanity check
- Lots of cleanups for ASoC Intel platform code, including support
for their open source audio firmware
- Continued ASoC core componentization works
- Support for scaling MCLK with sample rate in ASoC simple-card
- Stabler PCM hot-unplug capability, especially for ASoC usages"
* tag 'sound-4.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (302 commits)
Documentation: sound: hd-audio: notes.rst
ASoC: bcm2835: Support left/right justified and DSP modes
ASoC: bcm2835: Enforce full symmetry
ASoC: bcm2835: Support additional samplerates up to 384kHz
ASoC: bcm2835: Add support for TDM modes
ASoC: add mclk-fs support to audio graph card
ASoC: add mclk-fs to audio graph card binding
ASoC: rt5514: work around link error
ASoC: rt5514: mark PM functions as __maybe_unused
ASoC: rt5663: Check the JD status in the button pushing
ASoC: amd: Modified DMA transfer Mechanism for Playback
ASoC: rt5645: Wait for 400msec before concluding on value of RT5645_VENDOR_ID2
ASoC: sun4i-codec: fixed 32bit audio capture support for H3/H2+
ASoC: da7213: add support for DSP modes
ASoC: sun8i-codec: Add a comment on the LRCK inversion
ASoC: sun8i-codec: Set the BCLK divider
ASoC: rt5663: Delay and retry reading rt5663 ID register
ASoC: amd: use do_div rather than 64 bit division to fix 32 bit builds
ASoC: cs42l56: Fix reset GPIO name in example DT binding
ASoC: rt5514-spi: check irq status to schedule data copy in resume function
...
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"This contains two bigger than usual tree-wide changes this time. They
all have proper acks, caused no merge conflicts in linux-next where
they have been for a while. They are namely:
- to-gpiod conversion of the i2c-gpio driver and its users (touching
arch/* and drivers/mfd/*)
- adding a sbs-manager based on I2C core updates to SMBus alerts
(touching drivers/power/*)
Other notable changes:
- i2c_boardinfo can now carry a dev_name to be used when the device
is created. This is because some devices in ACPI world need fixed
names to find the regulators.
- the designware driver got a long discussed overhaul of its PM
handling. img-scb and davinci got PM support, too.
- at24 driver has way better OF support. And it has a new maintainer.
Thanks Bartosz for stepping up!
The rest is regular driver updates and fixes"
* 'i2c/for-4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (55 commits)
ARM: sa1100: simpad: Correct I2C GPIO offsets
i2c: aspeed: Deassert reset in probe
eeprom: at24: Add OF device ID table
MAINTAINERS: new maintainer for AT24 driver
i2c: nuc900: remove platform_data, too
i2c: thunderx: Remove duplicate NULL check
i2c: taos-evm: Remove duplicate NULL check
i2c: Make i2c_unregister_device() NULL-aware
i2c: xgene-slimpro: Support v2
i2c: mpc: remove useless variable initialization
i2c: omap: Trigger bus recovery in lockup case
i2c: gpio: Add support for named gpios in DT
dt-bindings: i2c: i2c-gpio: Add support for named gpios
i2c: gpio: Local vars in probe
i2c: gpio: Augment all boardfiles to use open drain
i2c: gpio: Enforce open drain through gpiolib
gpio: Make it possible for consumers to enforce open drain
i2c: gpio: Convert to use descriptors
power: supply: sbs-message: fix some code style issues
power: supply: sbs-battery: remove unchecked return var
...
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v4.15 kernel cycle:
Core:
- Fix the semantics of raw GPIO to actually be raw. No inversion
semantics as before, but also no open draining, and allow the raw
operations to affect lines used for interrupts as the caller
supposedly knows what they are doing if they are getting the big
hammer.
- Rewrote the __inner_function() notation calls to names that make
more sense. I just find this kind of code disturbing.
- Drop the .irq_base() field from the gpiochip since now all IRQs are
mapped dynamically. This is nice.
- Support for .get_multiple() in the core driver API. This allows us
to read several GPIO lines with a single register read. This has
high value for some usecases: it can be used to create
oscilloscopes and signal analyzers and other things that rely on
reading several lines at exactly the same instant. Also a generally
nice optimization. This uses the new assign_bit() macro from the
bitops lib that was ACKed by Andrew Morton and is implemented for
two drivers, one of them being the generic MMIO driver so everyone
using that will be able to benefit from this.
- Do not allow requests of Open Drain and Open Source setting of a
GPIO line simultaneously. If the hardware actually supports
enabling both at the same time the electrical result would be
disastrous.
- A new interrupt chip core helper. This will be helpful to deal with
"banked" GPIOs, which means GPIO controllers with several logical
blocks of GPIO inside them. This is several gpiochips per device in
the device model, in contrast to the case when there is a 1-to-1
relationship between a device and a gpiochip.
New drivers:
- Maxim MAX3191x industrial serializer, a very interesting piece of
professional I/O hardware.
- Uniphier GPIO driver. This is the GPIO block from the recent
Socionext (ex Fujitsu and Panasonic) platform.
- Tegra 186 driver. This is based on the new banked GPIO
infrastructure.
Other improvements:
- Some documentation improvements.
- Wakeup support for the DesignWare DWAPB GPIO controller.
- Reset line support on the DesignWare DWAPB GPIO controller.
- Several non-critical bug fixes and improvements for the Broadcom
BRCMSTB driver.
- Misc non-critical bug fixes like exotic errorpaths, removal of dead
code etc.
- Explicit comments on fall-through switch() statements"
* tag 'gpio-v4.15-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (65 commits)
gpio: tegra186: Remove tegra186_gpio_lock_class
gpio: rcar: Add r8a77995 (R-Car D3) support
pinctrl: bcm2835: Fix some merge fallout
gpio: Fix undefined lock_dep_class
gpio: Automatically add lockdep keys
gpio: Introduce struct gpio_irq_chip.first
gpio: Disambiguate struct gpio_irq_chip.nested
gpio: Add Tegra186 support
gpio: Export gpiochip_irq_{map,unmap}()
gpio: Implement tighter IRQ chip integration
gpio: Move lock_key into struct gpio_irq_chip
gpio: Move irq_valid_mask into struct gpio_irq_chip
gpio: Move irq_nested into struct gpio_irq_chip
gpio: Move irq_chained_parent to struct gpio_irq_chip
gpio: Move irq_default_type to struct gpio_irq_chip
gpio: Move irq_handler to struct gpio_irq_chip
gpio: Move irqdomain into struct gpio_irq_chip
gpio: Move irqchip into struct gpio_irq_chip
gpio: Introduce struct gpio_irq_chip
pinctrl: armada-37xx: remove unused variable
...
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Pull dma-mapping updates from Christoph Hellwig:
- turn dma_cache_sync into a dma_map_ops instance and remove
implementation that purely are dead because the architecture doesn't
support noncoherent allocations
- add a flag for busses that need DMA configuration (Robin Murphy)
* tag 'dma-mapping-4.15' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: turn dma_cache_sync into a dma_map_ops method
sh: make dma_cache_sync a no-op
xtensa: make dma_cache_sync a no-op
unicore32: make dma_cache_sync a no-op
powerpc: make dma_cache_sync a no-op
mn10300: make dma_cache_sync a no-op
microblaze: make dma_cache_sync a no-op
ia64: make dma_cache_sync a no-op
frv: make dma_cache_sync a no-op
x86: make dma_cache_sync a no-op
floppy: consolidate the dummy fd_cacheflush definition
drivers: flag buses which demand DMA configuration
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Pull dmaengine updates from Vinod Koul:
"Updates for this cycle include:
- new driver for Spreadtrum dma controller, ST MDMA and DMAMUX
controllers
- PM support for IMG MDC drivers
- updates to bcm-sba-raid driver and improvements to sun6i driver
- subsystem conversion for:
- timers to use timer_setup()
- remove usage of PCI pool API
- usage of %p format specifier
- minor updates to bunch of drivers"
* tag 'dmaengine-4.15-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (49 commits)
dmaengine: ti-dma-crossbar: Correct am335x/am43xx mux value type
dmaengine: dmatest: warn user when dma test times out
dmaengine: Revert "rcar-dmac: use TCRB instead of TCR for residue"
dmaengine: stm32_mdma: activate pack/unpack feature
dmaengine: at_hdmac: Remove unnecessary 0x prefixes before %pad
dmaengine: coh901318: Remove unnecessary 0x prefixes before %pad
MAINTAINERS: Step down from a co-maintaner of DW DMAC driver
dmaengine: pch_dma: Replace PCI pool old API
dmaengine: Convert timers to use timer_setup()
dmaengine: sprd: Add Spreadtrum DMA driver
dt-bindings: dmaengine: Add Spreadtrum SC9860 DMA controller
dmaengine: sun6i: Retrieve channel count/max request from devicetree
dmaengine: Build bcm-sba-raid driver as loadable module for iProc SoCs
dmaengine: bcm-sba-raid: Use common GPL comment header
dmaengine: bcm-sba-raid: Use only single mailbox channel
dmaengine: bcm-sba-raid: serialize dma_cookie_complete() using reqs_lock
dmaengine: pl330: fix descriptor allocation fail
dmaengine: rcar-dmac: use TCRB instead of TCR for residue
dmaengine: sun6i: Add support for Allwinner A64 and compatibles
arm64: allwinner: a64: Add devicetree binding for DMA controller
...
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Pull VFIO updates from Alex Williamson:
- Virtualize PCI MPS and MRRS registers
- Avoid soft lockups on SPAPR when clearing TCE
- Broadcom FlexRM platform device support
- Samples driver cleanup & type1 integer overflow fix
* tag 'vfio-v4.15-rc1' of git://github.com/awilliam/linux-vfio:
vfio: platform: reset: Add Broadcom FlexRM reset module
vfio/type1: silence integer overflow warning
vfio-mdev/samples: make mdev_fops const and static
vfio/spapr: Add cond_resched() for huge updates
vfio/pci: Virtualize Maximum Read Request Size
vfio/pci: Virtualize Maximum Payload Size
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Pull IOMMU updates from Alex Williamson:
"As Joerg mentioned[1], he's out on paternity leave through the end of
the year and I'm filling in for him in the interim:
- Enforce MSI multiple IRQ alignment in AMD IOMMU
- VT-d PASID error handling fixes
- Add r8a7795 IPMMU support
- Manage runtime PM links on exynos at {add,remove}_device callbacks
- Fix Mediatek driver name to avoid conflict
- Add terminate support to qcom fault handler
- 64-bit IOVA optimizations
- Simplfy IOVA domain destruction, better use of rcache, and skip
anchor nodes on copy
- Convert to IOMMU TLB sync API in io-pgtable-arm{-v7s}
- Drop command queue lock when waiting for CMD_SYNC completion on ARM
SMMU implementations supporting MSI to cacheable memory
- iomu-vmsa cleanup inspired by missed IOTLB sync callbacks
- Fix sleeping lock with preemption disabled for RT
- Dual MMU support for TI DRA7xx DSPs
- Optional flush option on IOVA allocation avoiding overhead when
caller can try other options
[1] https://lkml.org/lkml/2017/10/22/72"
* tag 'iommu-v4.15-rc1' of git://github.com/awilliam/linux-vfio: (54 commits)
iommu/iova: Use raw_cpu_ptr() instead of get_cpu_ptr() for ->fq
iommu/mediatek: Fix driver name
iommu/ipmmu-vmsa: Hook up r8a7795 DT matching code
iommu/ipmmu-vmsa: Allow two bit SL0
iommu/ipmmu-vmsa: Make IMBUSCTR setup optional
iommu/ipmmu-vmsa: Write IMCTR twice
iommu/ipmmu-vmsa: IPMMU device is 40-bit bus master
iommu/ipmmu-vmsa: Make use of IOMMU_OF_DECLARE()
iommu/ipmmu-vmsa: Enable multi context support
iommu/ipmmu-vmsa: Add optional root device feature
iommu/ipmmu-vmsa: Introduce features, break out alias
iommu/ipmmu-vmsa: Unify ipmmu_ops
iommu/ipmmu-vmsa: Clean up struct ipmmu_vmsa_iommu_priv
iommu/ipmmu-vmsa: Simplify group allocation
iommu/ipmmu-vmsa: Unify domain alloc/free
iommu/ipmmu-vmsa: Fix return value check in ipmmu_find_group_dma()
iommu/vt-d: Clear pasid table entry when memory unbound
iommu/vt-d: Clear Page Request Overflow fault bit
iommu/vt-d: Missing checks for pasid tables if allocation fails
iommu/amd: Limit the IOVA page range to the specified addresses
...
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Pull SCSI updates from James Bottomley:
"This is mostly updates of the usual suspects: lpfc, qla2xxx, hisi_sas,
megaraid_sas, pm80xx, mpt3sas, be2iscsi, hpsa. and a host of minor
updates.
There's no major behaviour change or additions to the core in all of
this, so the potential for regressions should be small (biggest
potential being in the scsi error handler changes)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (203 commits)
scsi: lpfc: Fix hard lock up NMI in els timeout handling.
scsi: mpt3sas: remove a stray KERN_INFO
scsi: mpt3sas: cleanup _scsih_pcie_enumeration_event()
scsi: aacraid: use timespec64 instead of timeval
scsi: scsi_transport_fc: add 64GBIT and 128GBIT port speed definitions
scsi: qla2xxx: Suppress a kernel complaint in qla_init_base_qpair()
scsi: mpt3sas: fix dma_addr_t casts
scsi: be2iscsi: Use kasprintf
scsi: storvsc: Avoid excessive host scan on controller change
scsi: lpfc: fix kzalloc-simple.cocci warnings
scsi: mpt3sas: Update mpt3sas driver version.
scsi: mpt3sas: Fix sparse warnings
scsi: mpt3sas: Fix nvme drives checking for tlr.
scsi: mpt3sas: NVMe drive support for BTDHMAPPING ioctl command and log info
scsi: mpt3sas: Add-Task-management-debug-info-for-NVMe-drives.
scsi: mpt3sas: scan and add nvme device after controller reset
scsi: mpt3sas: Set NVMe device queue depth as 128
scsi: mpt3sas: Handle NVMe PCIe device related events generated from firmware.
scsi: mpt3sas: API's to remove nvme drive from sml
scsi: mpt3sas: API 's to support NVMe drive addition to SML
...
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Pull MD update from Shaohua Li:
"This update mostly includes bug fixes:
- md-cluster now supports raid10 from Guoqing
- raid5 PPL fixes from Artur
- badblock regression fix from Bo
- suspend hang related fixes from Neil
- raid5 reshape fixes from Neil
- raid1 freeze deadlock fix from Nate
- memleak fixes from Zdenek
- bitmap related fixes from Me and Tao
- other fixes and cleanups"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: (33 commits)
md: free unused memory after bitmap resize
md: release allocated bitset sync_set
md/bitmap: clear BITMAP_WRITE_ERROR bit before writing it to sb
md: be cautious about using ->curr_resync_completed for ->recovery_offset
badblocks: fix wrong return value in badblocks_set if badblocks are disabled
md: don't check MD_SB_CHANGE_CLEAN in md_allow_write
md-cluster: update document for raid10
md: remove redundant variable q
raid1: remove obsolete code in raid1_write_request
md-cluster: Use a small window for raid10 resync
md-cluster: Suspend writes in RAID10 if within range
md-cluster/raid10: set "do_balance = 0" if area is resyncing
md: use lockdep_assert_held
raid1: prevent freeze_array/wait_all_barriers deadlock
md: use TASK_IDLE instead of blocking signals
md: remove special meaning of ->quiesce(.., 2)
md: allow metadata update while suspending.
md: use mddev_suspend/resume instead of ->quiesce()
md: move suspend_hi/lo handling into core md code
md: don't call bitmap_create() while array is quiesced.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- a few conversions from atomic_t to ref_count_t
- a DM core fix for a race during device destruction that could result
in a BUG_ON
- a stable@ fix for a DM cache race condition that could lead to data
corruption when operating in writeback mode (writethrough is default)
- various DM cache cleanups and improvements
- add DAX support to the DM log-writes target
- a fix for the DM zoned target's ability to deal with the last zone of
the drive being smaller than all others
- a stable@ DM crypt and DM integrity fix for a negative check that was
to restrictive (prevented slab debug with XFS ontop of DM crypt from
working)
- a DM raid target fix for a panic that can occur when forcing a raid
to sync
* tag 'for-4.15/dm' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (25 commits)
dm cache: lift common migration preparation code to alloc_migration()
dm cache: remove usused deferred_cells member from struct cache
dm cache policy smq: allocate cache blocks in order
dm cache policy smq: change max background work from 10240 to 4096 blocks
dm cache background tracker: limit amount of background work that may be issued at once
dm cache policy smq: take origin idle status into account when queuing writebacks
dm cache policy smq: handle races with queuing background_work
dm raid: fix panic when attempting to force a raid to sync
dm integrity: allow unaligned bv_offset
dm crypt: allow unaligned bv_offset
dm: small cleanup in dm_get_md()
dm: fix race between dm_get_from_kobject() and __dm_destroy()
dm: allocate struct mapped_device with kvzalloc
dm zoned: ignore last smaller runt zone
dm space map metadata: use ARRAY_SIZE
dm log writes: add support for DAX
dm log writes: add support for inline data buffers
dm cache: simplify get_per_bio_data() by removing data_size argument
dm cache: remove all obsolete writethrough-specific code
dm cache: submit writethrough writes in parallel to origin and cache
...
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Pull core block layer updates from Jens Axboe:
"This is the main pull request for block storage for 4.15-rc1.
Nothing out of the ordinary in here, and no API changes or anything
like that. Just various new features for drivers, core changes, etc.
In particular, this pull request contains:
- A patch series from Bart, closing the whole on blk/scsi-mq queue
quescing.
- A series from Christoph, building towards hidden gendisks (for
multipath) and ability to move bio chains around.
- NVMe
- Support for native multipath for NVMe (Christoph).
- Userspace notifications for AENs (Keith).
- Command side-effects support (Keith).
- SGL support (Chaitanya Kulkarni)
- FC fixes and improvements (James Smart)
- Lots of fixes and tweaks (Various)
- bcache
- New maintainer (Michael Lyle)
- Writeback control improvements (Michael)
- Various fixes (Coly, Elena, Eric, Liang, et al)
- lightnvm updates, mostly centered around the pblk interface
(Javier, Hans, and Rakesh).
- Removal of unused bio/bvec kmap atomic interfaces (me, Christoph)
- Writeback series that fix the much discussed hundreds of millions
of sync-all units. This goes all the way, as discussed previously
(me).
- Fix for missing wakeup on writeback timer adjustments (Yafang
Shao).
- Fix laptop mode on blk-mq (me).
- {mq,name} tupple lookup for IO schedulers, allowing us to have
alias names. This means you can use 'deadline' on both !mq and on
mq (where it's called mq-deadline). (me).
- blktrace race fix, oopsing on sg load (me).
- blk-mq optimizations (me).
- Obscure waitqueue race fix for kyber (Omar).
- NBD fixes (Josef).
- Disable writeback throttling by default on bfq, like we do on cfq
(Luca Miccio).
- Series from Ming that enable us to treat flush requests on blk-mq
like any other request. This is a really nice cleanup.
- Series from Ming that improves merging on blk-mq with schedulers,
getting us closer to flipping the switch on scsi-mq again.
- BFQ updates (Paolo).
- blk-mq atomic flags memory ordering fixes (Peter Z).
- Loop cgroup support (Shaohua).
- Lots of minor fixes from lots of different folks, both for core and
driver code"
* 'for-4.15/block' of git://git.kernel.dk/linux-block: (294 commits)
nvme: fix visibility of "uuid" ns attribute
blk-mq: fixup some comment typos and lengths
ide: ide-atapi: fix compile error with defining macro DEBUG
blk-mq: improve tag waiting setup for non-shared tags
brd: remove unused brd_mutex
blk-mq: only run the hardware queue if IO is pending
block: avoid null pointer dereference on null disk
fs: guard_bio_eod() needs to consider partitions
xtensa/simdisk: fix compile error
nvme: expose subsys attribute to sysfs
nvme: create 'slaves' and 'holders' entries for hidden controllers
block: create 'slaves' and 'holders' entries for hidden gendisks
nvme: also expose the namespace identification sysfs files for mpath nodes
nvme: implement multipath access to nvme subsystems
nvme: track shared namespaces
nvme: introduce a nvme_ns_ids structure
nvme: track subsystems
block, nvme: Introduce blk_mq_req_flags_t
block, scsi: Make SCSI quiesce and resume work reliably
block: Add the QUEUE_FLAG_PREEMPT_ONLY request queue flag
...
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Pull configfs updates from Christoph Hellwig:
"A couple of configfs cleanups:
- proper use of the bool type (Thomas Meyer)
- constification of struct config_item_type (Bhumika Goyal)"
* tag 'configfs-for-4.15' of git://git.infradead.org/users/hch/configfs:
RDMA/cma: make config_item_type const
stm class: make config_item_type const
ACPI: configfs: make config_item_type const
nvmet: make config_item_type const
usb: gadget: configfs: make config_item_type const
PCI: endpoint: make config_item_type const
iio: make function argument and some structures const
usb: gadget: make config_item_type structures const
dlm: make config_item_type const
netconsole: make config_item_type const
nullb: make config_item_type const
ocfs2/cluster: make config_item_type const
target: make config_item_type const
configfs: make ci_type field, some pointers and function arguments const
configfs: make config_item_type const
configfs: Fix bool initialization/comparison
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull quota, ext2, isofs and udf fixes from Jan Kara:
- two small quota error handling fixes
- two isofs fixes for architectures with signed char
- several udf block number overflow and signedness fixes
- ext2 rework of mount option handling to avoid GFP_KERNEL allocation
with spinlock held
- ... it also contains a patch to implement auditing of responses to
fanotify permission events. That should have been in the fanotify
pull request but I mistakenly merged that patch into a wrong branch
and noticed only now at which point I don't think it's worth rebasing
and redoing.
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: be aware of error from dquot_initialize
quota: fix potential infinite loop
isofs: use unsigned char types consistently
isofs: fix timestamps beyond 2027
udf: Fix some sign-conversion warnings
udf: Fix signed/unsigned format specifiers
udf: Fix 64-bit sign extension issues affecting blocks > 0x7FFFFFFF
udf: Remove some outdate references from documentation
udf: Avoid overflow when session starts at large offset
ext2: Fix possible sleep in atomic during mount option parsing
ext2: Parse mount options into a dedicated structure
audit: Record fanotify access control decisions
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:
- fixes of use-after-tree issues when handling fanotify permission
events from Miklos
- refcount_t conversions from Elena
- fixes of ENOMEM handling in dnotify and fsnotify from me
* 'fsnotify' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fsnotify: convert fsnotify_mark.refcnt from atomic_t to refcount_t
fanotify: clean up CONFIG_FANOTIFY_ACCESS_PERMISSIONS ifdefs
fsnotify: clean up fsnotify()
fanotify: fix fsnotify_prepare_user_wait() failure
fsnotify: fix pinning group in fsnotify_prepare_user_wait()
fsnotify: pin both inode and vfsmount mark
fsnotify: clean up fsnotify_prepare/finish_user_wait()
fsnotify: convert fsnotify_group.refcnt from atomic_t to refcount_t
fsnotify: Protect bail out path of fsnotify_add_mark_locked() properly
dnotify: Handle errors from fsnotify_add_mark_locked() in fcntl_dirnotify()
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"This set focuses, as usual, on fixes to the comms layer.
New testing of the dlm with ocfs2 uncovered a number of bugs in the
TCP connection handling during recovery, starting, and stopping"
* tag 'dlm-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
dlm: remove dlm_send_rcom_lookup_dump
dlm: recheck kthread_should_stop() before schedule()
DLM: fix NULL pointer dereference in send_to_sock()
DLM: fix to reschedule rwork
DLM: fix to use sk_callback_lock correctly
DLM: fix overflow dlm_cb_seq
DLM: fix memory leak in tcp_accept_from_sock()
DLM: fix conversion deadlock when DLM_LKF_NODLCKWT flag is set
DLM: use CF_CLOSE flag to stop dlm_send correctly
DLM: Reanimate CF_WRITE_PENDING flag
DLM: fix race condition between dlm_recoverd_stop and dlm_recoverd
DLM: close othercon at send/receive error
DLM: retry rcom when dlm_wait_function is timed out.
DLM: fix to use sock_mutex correctly in xxx_accept_from_sock
DLM: fix race condition between dlm_send and dlm_recv
DLM: fix double list_del()
DLM: fix remove save_cb argument from add_sock()
DLM: Fix saving of NULL callbacks
DLM: Eliminate CF_WRITE_PENDING flag
DLM: Eliminate CF_CONNECT_PENDING flag
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Bob Peterson:
"We've got a total of 17 GFS2 patches for this merge window. The
patches are basically in three categories: (1) patches related to
broken xfstest cases, (2) patches related to improving iomap and start
using it in GFS2, and (3) general typos and clarifications.
Please note that one of the iomap patches extends beyond GFS2 and
affects other file systems, but it was publically reviewed by a
variety of file system people in the community.
From Andreas Gruenbacher:
- rename variable 'bsize' to 'factor' to clarify the logic related to
gfs2_block_map.
- correctly set ctime in the setflags ioctl, which fixes broken
xfstests test 277.
- fix broken xfstest 258, due to an atime initialization problem.
- fix broken xfstest 307, in which GFS2 was not setting ctime when
setting acls.
- switch general iomap code from blkno to disk offset for a variety
of file systems.
- add a new IOMAP_F_DATA_INLINE flag for iomap to indicate blocks
that have data mixed with metadata.
- implement SEEK_HOLE and SEEK_DATA via iomap in GFS2.
- fix failing xfstest case 066, which was due to not properly syncing
dirty inodes when changing extended attributes.
- fix a minor typo in a comment.
- partially fix xfstest 424, which involved GET_FLAGS and SET_FLAGS
ioctl. This is also a cleanup and simplification of the translation
of flags from fs flags to gfs2 flags.
- add support for STATX_ATTR_ in statx, which fixed broken xfstest
424.
- fix for failing xfstest 093 which fixes a recursive glock problem
with gfs2_xattr_get and _set
From me:
- make inode height info part of the 'metapath' data structure to
facilitate using iomap in GFS2.
- start using iomap inside GFS2 and switch GFS2's block_map functions
to use iomap under the covers.
- switch GFS2's fiemap implementation from using block_map to using
iomap under the covers.
- fix journaled data pages not being properly synced to media when
writing inodes. This was caught with xfstests.
- fix another failing xfstest case in which switching a file from
ordered_write to journaled data via set_flags caused a deadlock"
* tag 'gfs2-4.15.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Allow gfs2_xattr_set to be called with the glock held
gfs2: Add support for statx inode flags
gfs2: Fix and clean up {GET,SET}FLAGS ioctl
gfs2: Fix a harmless typo
gfs2: Fix xattr fsync
GFS2: Take inode off order_write list when setting jdata flag
GFS2: flush the log and all pages for jdata as we do for WB_SYNC_ALL
gfs2: Implement SEEK_HOLE / SEEK_DATA via iomap
GFS2: Switch fiemap implementation to use iomap
GFS2: Implement iomap for block_map
GFS2: Make height info part of metapath
gfs2: Always update inode ctime in set_acl
gfs2: Support negative atimes
gfs2: Update ctime in setflags ioctl
gfs2: Clarify gfs2_block_map
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Pull jfs updates from David Kleikamp:
"A couple small fixes for jfs"
* tag 'jfs-4.15' of git://github.com/kleikamp/linux-shaggy:
jfs: Add missing NULL pointer check in __get_metapage
jfs: remove increment of i_version counter
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"There are some new user features and the usual load of invisible
enhancements or cleanups.
New features:
- extend mount options to specify zlib compression level, -o
compress=zlib:9
- v2 of ioctl "extent to inode mapping", addressing a usecase where
we want to retrieve more but inaccurate results and do the
postprocessing in userspace, aiding defragmentation or
deduplication tools
- populate compression heuristics logic, do data sampling and try to
guess compressibility by: looking for repeated patterns, counting
unique byte values and distribution, calculating Shannon entropy;
this will need more benchmarking and possibly fine tuning, but the
base should be good enough
- enable indexing for btrfs as lower filesystem in overlayfs
- speedup page cache readahead during send on large files
Internal enhancements:
- more sanity checks of b-tree items when reading them from disk
- more EINVAL/EUCLEAN fixups, missing BLK_STS_* conversion, other
errno or error handling fixes
- remove some homegrown IO-related logic, that's been obsoleted by
core block layer changes (batching, plug/unplug, own counters)
- add ref-verify, optional debugging feature to verify extent
reference accounting
- simplify code handling outstanding extents, make it more clear
where and how the accounting is done
- make delalloc reservations per-inode, simplify the code and make
the logic more straightforward
- extensive cleanup of delayed refs code
Notable fixes:
- fix send ioctl on 32bit with 64bit kernel"
* 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (102 commits)
btrfs: Fix bug for misused dev_t when lookup in dev state hash table.
Btrfs: heuristic: add Shannon entropy calculation
Btrfs: heuristic: add byte core set calculation
Btrfs: heuristic: add byte set calculation
Btrfs: heuristic: add detection of repeated data patterns
Btrfs: heuristic: implement sampling logic
Btrfs: heuristic: add bucket and sample counters and other defines
Btrfs: compression: separate heuristic/compression workspaces
btrfs: move btrfs_truncate_block out of trans handle
btrfs: don't call btrfs_start_delalloc_roots in flushoncommit
btrfs: track refs in a rb_tree instead of a list
btrfs: add a comp_refs() helper
btrfs: switch args for comp_*_refs
btrfs: make the delalloc block rsv per inode
btrfs: add tracepoints for outstanding extents mods
Btrfs: rework outstanding_extents
btrfs: increase output size for LOGICAL_INO_V2 ioctl
btrfs: add a flags argument to LOGICAL_INO and call it LOGICAL_INO_V2
btrfs: add a flag to iterate_inodes_from_logical to find all extent refs for uncompressed extents
btrfs: send: remove unused code
...
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Pull xfs updates from Darrick Wong:
"xfs: great scads of new stuff for 4.15.
This merge cycle, we're making some substantive changes to XFS. The
in-core extent mappings have been refactored to use proper iterators
and a btree to handle heavily fragmented files without needing
high-order memory allocations; some important log recovery bug fixes;
and the first part of the online fsck functionality.
(The online fsck feature is disabled by default and more pieces of it
will be coming in future release cycles.)
This giant pile of patches has been run through a full xfstests run
over the weekend and through a quick xfstests run against this
morning's master, with no major failures reported.
New in this version:
- Refactor the incore extent map manipulations to use a cursor
instead of directly modifying extent data.
- Refactor the incore extent map cursor to use an in-memory btree
instead of a single high-order allocation. This eliminates a major
source of complaints about insufficient memory when opening a
heavily fragmented file into a system whose memory is also heavily
fragmented.
- Fix a longstanding bug where deleting a file with a complex
extended attribute btree incorrectly handled memory pointers, which
could lead to memory corruption.
- Improve metadata validation to eliminate crashing problems found
while fuzzing xfs.
- Move the error injection tag definitions into libxfs to be shared
with userspace components.
- Fix some log recovery bugs where we'd underflow log block position
vector and incorrectly fail log recovery.
- Drain the buffer lru after log recovery to force recovered buffers
back through the verifiers after mount. On a v4 filesystem the log
never attaches verifiers during log replay (v5 does), so we could
end up with buffers marked verified but without having ever been
verified.
- Fix various other bugs.
- Introduce the first part of a new online fsck tool. The new fsck
tool will be able to iterate every piece of metadata in the
filesystem to look for obvious errors and corruptions. In the next
release cycle the checking will be extended to cross-reference with
the other fs metadata, so this feature should only be used by the
developers in the mean time"
* tag 'xfs-4.15-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (131 commits)
xfs: on failed mount, force-reclaim inodes after unmounting quota controls
xfs: check the uniqueness of the AGFL entries
xfs: remove u_int* type usage
xfs: handle zero entries case in xfs_iext_rebalance_leaf
xfs: add comments documenting the rebalance algorithm
xfs: trivial indentation fixup for xfs_iext_remove_node
xfs: remove a superflous assignment in xfs_iext_remove_node
xfs: add some comments to xfs_iext_insert/xfs_iext_insert_node
xfs: fix number of records handling in xfs_iext_split_leaf
fs/xfs: Remove NULL check before kmem_cache_destroy
xfs: only check da node header padding on v5 filesystems
xfs: fix btree scrub deref check
xfs: fix uninitialized return values in scrub code
xfs: pass inode number to xfs_scrub_ino_set_{preen,warning}
xfs: refactor the directory data block bestfree checks
xfs: mark xlog_verify_dest_ptr STATIC
xfs: mark xlog_recover_check_summary STATIC
xfs: mark xfs_btree_check_lblock and xfs_btree_check_ptr static
xfs: remove unreachable error injection code in xfs_qm_dqget
xfs: remove unused debug counts for xfs_lock_inodes
...
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