The dt_binding_check is added to PHONY, but it is invisible when
$(dtstree) is empty. So, it is not specified as phony for
ARCH=x86 etc.
Add it to PHONY outside the ifneq ... endif block.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
The dtbs_check should be a phony target, but currently it is not
specified so.
'make dtbs_check' works even if a file named 'dtbs_check' exists
because it depends on another phony target, scripts_dtc, but we
should not rely on it.
Add dtbs_check to PHONY.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
This if_change_rule is not working properly; it cannot detect any
command line change.
The reason is because cmd-check in scripts/Kbuild.include compares
$(cmd_$@) and $(cmd_$1), but cmd_dtc_dt_yaml does not exist here.
For if_change_rule to work properly, the stem part of cmd_* and rule_*
must match. Because this cmd_and_fixdep invokes cmd_dtc, this rule must
be named rule_dtc.
Fixes: 4f0e3a57d6 ("kbuild: Add support for DT binding schema checks")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
This sentence does not make sense in the section about mandatory-y.
This seems to be a copy-paste mistake of commit fcc8487d47 ("uapi:
export all headers under uapi directories").
The correct description would be "The convention is to list one
mandatory-y per line ...".
I just removed it instead of fixing it. If such information is needed,
it could be commented in include/asm-generic/Kbuild and
include/uapi/asm-generic/Kbuild.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Complete the comments for valid values of KBUILD_VERBOSE,
specifically for KBUILD_VERBOSE=2.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Merge tag 'for-5.6-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"These are fixes that were found during testing with help of error
injection, plus some other stable material.
There's a fixup to patch added to rc1 causing locking in wrong context
warnings, tests found one more deadlock scenario. The patches are
tagged for stable, two of them now in the queue but we'd like all
three released at the same time.
I'm not happy about fixes to fixes in such a fast succession during
rcs, but I hope we found all the fallouts of commit 28553fa992
('Btrfs: fix race between shrinking truncate and fiemap')"
* tag 'for-5.6-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
Btrfs: fix deadlock during fast fsync when logging prealloc extents beyond eof
Btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extents
btrfs: fix bytes_may_use underflow in prealloc error condtition
btrfs: handle logged extent failure properly
btrfs: do not check delayed items are empty for single transaction cleanup
btrfs: reset fs_root to NULL on error in open_ctree
btrfs: destroy qgroup extent records on transaction abort
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"More miscellaneous ext4 bug fixes (all stable fodder)"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix mount failure with quota configured as module
jbd2: fix ocfs2 corrupt when clearing block group bits
ext4: fix race between writepages and enabling EXT4_EXTENTS_FL
ext4: rename s_journal_flag_rwsem to s_writepages_rwsem
ext4: fix potential race between s_flex_groups online resizing and access
ext4: fix potential race between s_group_info online resizing and access
ext4: fix potential race between online resizing and write operations
ext4: add cond_resched() to __ext4_find_entry()
ext4: fix a data race in EXT4_I(inode)->i_disksize
- Fix up cache flush implementations.
- Fix up ftrace modify panic.
- Fix up CONFIG_SMP boot problem.
- Fix up pt_regs saving for atomic.S.
- Fix up fixaddr_init without highmem.
- Fix up stack protector support.
- Fix up fake Tightly-Coupled Memory codes compile and use.
- Fix up some typos and coding convention.
The tag is tested with [1].
1: https://gitlab.com/c-sky/buildroot/pipelines/120268254
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Merge tag 'csky-for-linus-5.6-rc3' of git://github.com/c-sky/csky-linux
Pull csky updates from Guo Ren:
"Sorry, I missed 5.6-rc1 merge window, but in this pull request the
most are the fixes and the rests are between fixes and features. The
only outside modification is the MAINTAINERS file update with our
mailing list.
- cache flush implementation fixes
- ftrace modify panic fix
- CONFIG_SMP boot problem fix
- fix pt_regs saving for atomic.S
- fix fixaddr_init without highmem.
- fix stack protector support
- fix fake Tightly-Coupled Memory code compile and use
- fix some typos and coding convention"
* tag 'csky-for-linus-5.6-rc3' of git://github.com/c-sky/csky-linux: (23 commits)
csky: Replace <linux/clk-provider.h> by <linux/of_clk.h>
csky: Implement copy_thread_tls
csky: Add PCI support
csky: Minimize defconfig to support buildroot config.fragment
csky: Add setup_initrd check code
csky: Cleanup old Kconfig options
arch/csky: fix some Kconfig typos
csky: Fixup compile warning for three unimplemented syscalls
csky: Remove unused cache implementation
csky: Fixup ftrace modify panic
csky: Add flush_icache_mm to defer flush icache all
csky: Optimize abiv2 copy_to_user_page with VM_EXEC
csky: Enable defer flush_dcache_page for abiv2 cpus (807/810/860)
csky: Remove unnecessary flush_icache_* implementation
csky: Support icache flush without specific instructions
csky/Kconfig: Add Kconfig.platforms to support some drivers
csky/smp: Fixup boot failed when CONFIG_SMP
csky: Set regs->usp to kernel sp, when the exception is from kernel
csky/mm: Fixup export invalid_pte_table symbol
csky: Separate fixaddr_init from highmem
...
The C-Sky platform code is not a clock provider, and just needs to call
of_clk_init().
Hence it can include <linux/of_clk.h> instead of <linux/clk-provider.h>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
- Populate the per CPU MCA bank descriptor pointer only after it has been
completely set up to prevent a use-after-free in case that one of the
subsequent initialization step fails
- Implement a proper release function for the sysfs entries of MCA
threshold controls instead of freeing the memory right in the CPU
teardown code, which leads to another use-after-free when the
associated sysfs file is opened and accessed.
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Merge tag 'ras-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS fixes from Thomas Gleixner:
"Two fixes for the AMD MCE driver:
- Populate the per CPU MCA bank descriptor pointer only after it has
been completely set up to prevent a use-after-free in case that one
of the subsequent initialization step fails
- Implement a proper release function for the sysfs entries of MCA
threshold controls instead of freeing the memory right in the CPU
teardown code, which leads to another use-after-free when the
associated sysfs file is opened and accessed"
* tag 'ras-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce/amd: Fix kobject lifetime
x86/mce/amd: Publish the bank pointer only after setup has succeeded
fixes:
- The WARN_ON which was put into the MSI setaffinity callback for paranoia
reasons actually triggered via a callchain which escaped when all the
possible ways to reach that code were analyzed.
The proc/irq/$N/*affinity interfaces have a quirk which came in when
ALPHA moved to the generic interface: In case that the written affinity
mask does not contain any online CPU it calls into ALPHAs magic auto
affinity setting code.
A few years later this mechanism was also made available to x86 for no
good reasons and in a way which circumvents all sanity checks for
interrupts which cannot have their affinity set from process context on
X86 due to the way the X86 interrupt delivery works.
It would be possible to make this work properly, but there is no point
in doing so. If the interrupt is not yet started then the affinity
setting has no effect and if it is started already then it is already
assigned to an online CPU so there is no point to randomly move it to
some other CPU. Just return EINVAL as the code has done before that
change forever.
- The new MSI quirk bit in the irq domain flags turned out to be already
occupied, which escaped the author and the reviewers because the already
in use bits were 0,6,2,3,4,5 listed in that order. That bit 6 was simply
overlooked because the ordering was straight forward linear
otherwise. So the new bit ended up being a duplicate. Fix it up by
switching the oddball 6 to the obvious 1.
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Merge tag 'irq-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"Two fixes for the irq core code which are follow ups to the recent MSI
fixes:
- The WARN_ON which was put into the MSI setaffinity callback for
paranoia reasons actually triggered via a callchain which escaped
when all the possible ways to reach that code were analyzed.
The proc/irq/$N/*affinity interfaces have a quirk which came in
when ALPHA moved to the generic interface: In case that the written
affinity mask does not contain any online CPU it calls into ALPHAs
magic auto affinity setting code.
A few years later this mechanism was also made available to x86 for
no good reasons and in a way which circumvents all sanity checks
for interrupts which cannot have their affinity set from process
context on X86 due to the way the X86 interrupt delivery works.
It would be possible to make this work properly, but there is no
point in doing so. If the interrupt is not yet started then the
affinity setting has no effect and if it is started already then it
is already assigned to an online CPU so there is no point to
randomly move it to some other CPU. Just return EINVAL as the code
has done before that change forever.
- The new MSI quirk bit in the irq domain flags turned out to be
already occupied, which escaped the author and the reviewers
because the already in use bits were 0,6,2,3,4,5 listed in that
order.
That bit 6 was simply overlooked because the ordering was straight
forward linear otherwise. So the new bit ended up being a
duplicate.
Fix it up by switching the oddball 6 to the obvious 1"
* tag 'irq-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/irqdomain: Make sure all irq domain flags are distinct
genirq/proc: Reject invalid affinity masks (again)
- Remove the __force_oder definiton from the kaslr boot code as it is
already defined in the page table code which makes GCC 10 builds fail
because it changed the default to -fno-common.
- Address the AMD erratum 1054 concerning the IRPERF capability and
enable the Instructions Retired fixed counter on machines which are not
affected by the erratum.
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Merge tag 'x86-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"Two fixes for x86:
- Remove the __force_oder definiton from the kaslr boot code as it is
already defined in the page table code which makes GCC 10 builds
fail because it changed the default to -fno-common.
- Address the AMD erratum 1054 concerning the IRPERF capability and
enable the Instructions Retired fixed counter on machines which are
not affected by the erratum"
* tag 'x86-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu/amd: Enable the fixed Instructions Retired counter IRPERF
x86/boot/compressed: Don't declare __force_order in kaslr_64.c
A single patch for this pull request fixing typos in the documentation
file.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
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Merge tag 'zonefs-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
Pull zonefs fix from Damien Le Moal:
"A single patch fixing typos in the documentation file"
* tag 'zonefs-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
zonefs: fix documentation typos etc.
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Merge tag 'io_uring-5.6-2020-02-22' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Here's a small collection of fixes that were queued up:
- Remove unnecessary NULL check (Dan)
- Missing io_req_cancelled() call in fallocate (Pavel)
- Put the cleanup check for aux data in the right spot (Pavel)
- Two fixes for SQPOLL (Stefano, Xiaoguang)"
* tag 'io_uring-5.6-2020-02-22' of git://git.kernel.dk/linux-block:
io_uring: fix __io_iopoll_check deadlock in io_sq_thread
io_uring: prevent sq_thread from spinning when it should stop
io_uring: fix use-after-free by io_cleanup_req()
io_uring: remove unnecessary NULL checks
io_uring: add missing io_req_cancelled()
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Merge tag 'block-5.6-2020-02-22' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Just a set of NVMe fixes via Keith"
* tag 'block-5.6-2020-02-22' of git://git.kernel.dk/linux-block:
nvme-multipath: Fix memory leak with ana_log_buf
nvme: Fix uninitialized-variable warning
nvme-pci: Use single IRQ vector for old Apple models
nvme/pci: Add sleep quirk for Samsung and Toshiba drives
Four non-core fixes. Two are reverts of target fixes which turned out
to have unwanted side effects, one is a revert of an RDMA fix with the
same problem and the final one fixes an incorrect warning about memory
allocation failures in megaraid_sas (the driver actually reduces the
allocation size until it succeeds).
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four non-core fixes.
Two are reverts of target fixes which turned out to have unwanted side
effects, one is a revert of an RDMA fix with the same problem and the
final one fixes an incorrect warning about memory allocation failures
in megaraid_sas (the driver actually reduces the allocation size until
it succeeds)"
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session"
scsi: Revert "RDMA/isert: Fix a recently introduced regression related to logout"
scsi: megaraid_sas: silence a warning
scsi: Revert "target/core: Inline transport_lun_remove_cmd()"
- Remove ieee_emulation_warnings sysctl which is a dead code.
- Avoid triggering rebuild of the kernel during make install.
- Enable protected virtualization guest support in default configs.
- Fix cio_ignore seq_file .next function to increase position index. And
use kobj_to_dev instead of container_of in cio code.
- Fix storage block address lists to contain absolute addresses in
qdio code.
- Few clang warnings and spelling fixes.
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Merge tag 's390-5.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Remove ieee_emulation_warnings sysctl which is a dead code.
- Avoid triggering rebuild of the kernel during make install.
- Enable protected virtualization guest support in default configs.
- Fix cio_ignore seq_file .next function to increase position index.
And use kobj_to_dev instead of container_of in cio code.
- Fix storage block address lists to contain absolute addresses in qdio
code.
- Few clang warnings and spelling fixes.
* tag 's390-5.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/qdio: fill SBALEs with absolute addresses
s390/qdio: fill SL with absolute addresses
s390: remove obsolete ieee_emulation_warnings
s390: make 'install' not depend on vmlinux
s390/kaslr: Fix casts in get_random
s390/mm: Explicitly compare PAGE_DEFAULT_KEY against zero in storage_key_init_range
s390/pkey/zcrypt: spelling s/crytp/crypt/
s390/cio: use kobj_to_dev() API
s390/defconfig: enable CONFIG_PROTECTED_VIRTUALIZATION_GUEST
s390/cio: cio_ignore_proc_seq_next should increase position index
Since commit a3a0e43fd7 ("io_uring: don't enter poll loop if we have
CQEs pending"), if we already events pending, we won't enter poll loop.
In case SETUP_IOPOLL and SETUP_SQPOLL are both enabled, if app has
been terminated and don't reap pending events which are already in cq
ring, and there are some reqs in poll_list, io_sq_thread will enter
__io_iopoll_check(), and find pending events, then return, this loop
will never have a chance to exit.
I have seen this issue in fio stress tests, to fix this issue, let
io_sq_thread call io_iopoll_getevents() with argument 'min' being zero,
and remove __io_iopoll_check().
Fixes: a3a0e43fd7 ("io_uring: don't enter poll loop if we have CQEs pending")
Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When CONFIG_QFMT_V2 is configured as a module, the test in
ext4_feature_set_ok() fails and so mount of filesystems with quota or
project features fails. Fix the test to use IS_ENABLED macro which
works properly even for modules.
Link: https://lore.kernel.org/r/20200221100835.9332-1-jack@suse.cz
Fixes: d65d87a074 ("ext4: improve explanation of a mount failure caused by a misconfigured kernel")
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
If EXT4_EXTENTS_FL is set on an inode while ext4_writepages() is running
on it, the following warning in ext4_add_complete_io() can be hit:
WARNING: CPU: 1 PID: 0 at fs/ext4/page-io.c:234 ext4_put_io_end_defer+0xf0/0x120
Here's a minimal reproducer (not 100% reliable) (root isn't required):
while true; do
sync
done &
while true; do
rm -f file
touch file
chattr -e file
echo X >> file
chattr +e file
done
The problem is that in ext4_writepages(), ext4_should_dioread_nolock()
(which only returns true on extent-based files) is checked once to set
the number of reserved journal credits, and also again later to select
the flags for ext4_map_blocks() and copy the reserved journal handle to
ext4_io_end::handle. But if EXT4_EXTENTS_FL is being concurrently set,
the first check can see dioread_nolock disabled while the later one can
see it enabled, causing the reserved handle to unexpectedly be NULL.
Since changing EXT4_EXTENTS_FL is uncommon, and there may be other races
related to doing so as well, fix this by synchronizing changing
EXT4_EXTENTS_FL with ext4_writepages() via the existing
s_writepages_rwsem (previously called s_journal_flag_rwsem).
This was originally reported by syzbot without a reproducer at
https://syzkaller.appspot.com/bug?extid=2202a584a00fffd19fbf,
but now that dioread_nolock is the default I also started seeing this
when running syzkaller locally.
Link: https://lore.kernel.org/r/20200219183047.47417-3-ebiggers@kernel.org
Reported-by: syzbot+2202a584a00fffd19fbf@syzkaller.appspotmail.com
Fixes: 6b523df4fb ("ext4: use transaction reservation for extent conversion in ext4_end_io")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: stable@kernel.org
In preparation for making s_journal_flag_rwsem synchronize
ext4_writepages() with changes to both the EXTENTS and JOURNAL_DATA
flags (rather than just JOURNAL_DATA as it does currently), rename it to
s_writepages_rwsem.
Link: https://lore.kernel.org/r/20200219183047.47417-2-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: stable@kernel.org
During an online resize an array of s_flex_groups structures gets replaced
so it can get enlarged. If there is a concurrent access to the array and
this memory has been reused then this can lead to an invalid memory access.
The s_flex_group array has been converted into an array of pointers rather
than an array of structures. This is to ensure that the information
contained in the structures cannot get out of sync during a resize due to
an accessor updating the value in the old structure after it has been
copied but before the array pointer is updated. Since the structures them-
selves are no longer copied but only the pointers to them this case is
mitigated.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443
Link: https://lore.kernel.org/r/20200221053458.730016-4-tytso@mit.edu
Signed-off-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
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Merge tag 'for-linus-5.6-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Two small fixes for Xen:
- a fix to avoid warnings with new gcc
- a fix for incorrectly disabled interrupts when calling
_cond_resched()"
* tag 'for-linus-5.6-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: Enable interrupts when calling _cond_resched()
x86/xen: Distribute switch variables for initialization
- Fix regression in malloc() caused by ignored address tags in brk()
- Add missing brackets around argument to untagged_addr() macro
- Fix clang build when using binutils assembler
- Fix silly typo in virtual memory map documentation
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"It's all straightforward apart from the changes to mmap()/mremap() in
relation to their handling of address arguments from userspace with
non-zero tag bits in the upper byte.
The change to brk() is necessary to fix a nasty user-visible
regression in malloc(), but we tightened up mmap() and mremap() at the
same time because they also allow the user to create virtual aliases
by accident. It's much less likely than brk() to matter in practice,
but enforcing the principle of "don't permit the creation of mappings
using tagged addresses" leads to a straightforward ABI without having
to worry about the "but what if a crazy program did foo?" aspect of
things.
Summary:
- Fix regression in malloc() caused by ignored address tags in brk()
- Add missing brackets around argument to untagged_addr() macro
- Fix clang build when using binutils assembler
- Fix silly typo in virtual memory map documentation"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
mm: Avoid creating virtual address aliases in brk()/mmap()/mremap()
docs: arm64: fix trivial spelling enought to enough in memory.rst
arm64: memory: Add missing brackets to untagged_addr() macro
arm64: lse: Fix LSE atomics with LLVM
- Three fixes for the recently added VMAP_STACK on 32-bit.
- Three fixes related to hugepages on 8xx (32-bit).
- A fix for a bug in our transactional memory handling that could lead to a
kernel crash if we saw a page fault during signal delivery.
- A fix for a deadlock in our PCI EEH (Enhanced Error Handling) code.
- A couple of other minor fixes.
Thanks to:
Christophe Leroy, Erhard F, Frederic Barrat, Gustavo Luiz Duarte, Larry
Finger, Leonardo Bras, Oliver O'Halloran, Sam Bobroff.
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Merge tag 'powerpc-5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Some more powerpc fixes for 5.6. This is two weeks worth as I was out
sick last week:
- Three fixes for the recently added VMAP_STACK on 32-bit.
- Three fixes related to hugepages on 8xx (32-bit).
- A fix for a bug in our transactional memory handling that could
lead to a kernel crash if we saw a page fault during signal
delivery.
- A fix for a deadlock in our PCI EEH (Enhanced Error Handling) code.
- A couple of other minor fixes.
Thanks to: Christophe Leroy, Erhard F, Frederic Barrat, Gustavo Luiz
Duarte, Larry Finger, Leonardo Bras, Oliver O'Halloran, Sam Bobroff"
* tag 'powerpc-5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/entry: Fix an #if which should be an #ifdef in entry_32.S
powerpc/xmon: Fix whitespace handling in getstring()
powerpc/6xx: Fix power_save_ppc32_restore() with CONFIG_VMAP_STACK
powerpc/chrp: Fix enter_rtas() with CONFIG_VMAP_STACK
powerpc/32s: Fix DSI and ISI exceptions for CONFIG_VMAP_STACK
powerpc/tm: Fix clearing MSR[TS] in current when reclaiming on signal delivery
powerpc/8xx: Fix clearing of bits 20-23 in ITLB miss
powerpc/hugetlb: Fix 8M hugepages on 8xx
powerpc/hugetlb: Fix 512k hugepages on 8xx with 16k page size
powerpc/eeh: Fix deadlock handling dead PHB
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Merge tag 'linux-watchdog-5.6-rc3' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog fixes from Wim Van Sebroeck:
- mtk_wdt needs RESET_CONTROLLER to build
- da9062 driver fixes:
- fix power management ops
- do not ping the hw during stop()
- add dependency on I2C
* tag 'linux-watchdog-5.6-rc3' of git://www.linux-watchdog.org/linux-watchdog:
watchdog: da9062: Add dependency on I2C
watchdog: da9062: fix power management ops
watchdog: da9062: do not ping the hw during stop()
watchdog: fix mtk_wdt.c RESET_CONTROLLER build error
Here are some small char/misc driver fixes for 5.6-rc3.
Also included in here are some updates for some documentation files that
I seem to be maintaining these days.
The driver fixes are:
- small fixes for the habanalabs driver
- fsi driver bugfix
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char/misc driver fixes for 5.6-rc3.
Also included in here are some updates for some documentation files
that I seem to be maintaining these days.
The driver fixes are:
- small fixes for the habanalabs driver
- fsi driver bugfix
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Documentation/process: Swap out the ambassador for Canonical
habanalabs: patched cb equals user cb in device memset
habanalabs: do not halt CoreSight during hard reset
habanalabs: halt the engines before hard-reset
MAINTAINERS: remove unnecessary ':' characters
fsi: aspeed: add unspecified HAS_IOMEM dependency
COPYING: state that all contributions really are covered by this file
Documentation/process: Change Microsoft contact for embargoed hardware issues
embargoed-hardware-issues: drop Amazon contact as the email address now bounces
Documentation/process: Add Arm contact for embargoed HW issues
Here are some small staging driver fixes for 5.6-rc3, along with the
removal of an unused/unneeded driver as well.
The android vsoc driver is not needed anymore by anyone, so it was
removed.
The other driver fixes are:
- ashmem bugfixes
- greybus audio driver bugfix
- wireless driver bugfixes and tiny cleanups to error paths
All of these have been in linux-next for a while now with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging driver fixes for 5.6-rc3, along with the
removal of an unused/unneeded driver as well.
The android vsoc driver is not needed anymore by anyone, so it was
removed.
The other driver fixes are:
- ashmem bugfixes
- greybus audio driver bugfix
- wireless driver bugfixes and tiny cleanups to error paths
All of these have been in linux-next for a while now with no reported
issues"
* tag 'staging-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8723bs: Remove unneeded goto statements
staging: rtl8188eu: Remove some unneeded goto statements
staging: rtl8723bs: Fix potential overuse of kernel memory
staging: rtl8188eu: Fix potential overuse of kernel memory
staging: rtl8723bs: Fix potential security hole
staging: rtl8188eu: Fix potential security hole
staging: greybus: use after free in gb_audio_manager_remove_all()
staging: android: Delete the 'vsoc' driver
staging: rtl8723bs: fix copy of overlapping memory
staging: android: ashmem: Disallow ashmem memory from being remapped
staging: vt6656: fix sign of rx_dbm to bb_pre_ed_rssi.
Here are a number of small tty and serial driver fixes for 5.6-rc3 that
resolve a bunch of reported issues.
They are:
- vt selection and ioctl fixes
- serdev bugfix
- atmel serial driver fixes
- qcom serial driver fixes
- other minor serial driver fixes
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are a number of small tty and serial driver fixes for 5.6-rc3
that resolve a bunch of reported issues.
They are:
- vt selection and ioctl fixes
- serdev bugfix
- atmel serial driver fixes
- qcom serial driver fixes
- other minor serial driver fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
vt: selection, close sel_buffer race
vt: selection, handle pending signals in paste_selection
serial: cpm_uart: call cpm_muram_init before registering console
tty: serial: qcom_geni_serial: Fix RX cancel command failure
serial: 8250: Check UPF_IRQ_SHARED in advance
tty: serial: imx: setup the correct sg entry for tx dma
vt: vt_ioctl: fix race in VT_RESIZEX
vt: fix scrollback flushing on background consoles
tty: serial: tegra: Handle RX transfer in PIO mode if DMA wasn't started
tty/serial: atmel: manage shutdown in case of RS485 or ISO7816 mode
serdev: ttyport: restore client ops on deregistration
serial: ar933x_uart: set UART_CS_{RX,TX}_READY_ORIDE
Here are a number of small USB driver fixes for 5.6-rc3.
Included in here are:
- MAINTAINER file updates
- USB gadget driver fixes
- usb core quirk additions and fixes for regressions
- xhci driver fixes
- usb serial driver id additions and fixes
- thunderbolt bugfix
Thunderbolt patches come in through here now that USB4 is really
thunderbolt.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/Thunderbolt fixes from Greg KH:
"Here are a number of small USB driver fixes for 5.6-rc3.
Included in here are:
- MAINTAINER file updates
- USB gadget driver fixes
- usb core quirk additions and fixes for regressions
- xhci driver fixes
- usb serial driver id additions and fixes
- thunderbolt bugfix
Thunderbolt patches come in through here now that USB4 is really
thunderbolt.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (34 commits)
USB: misc: iowarrior: add support for the 100 device
thunderbolt: Prevent crash if non-active NVMem file is read
usb: gadget: udc-xilinx: Fix xudc_stop() kernel-doc format
USB: misc: iowarrior: add support for the 28 and 28L devices
USB: misc: iowarrior: add support for 2 OEMed devices
USB: Fix novation SourceControl XL after suspend
xhci: Fix memory leak when caching protocol extended capability PSI tables - take 2
Revert "xhci: Fix memory leak when caching protocol extended capability PSI tables"
MAINTAINERS: Sort entries in database for THUNDERBOLT
usb: dwc3: debug: fix string position formatting mixup with ret and len
usb: gadget: serial: fix Tx stall after buffer overflow
usb: gadget: ffs: ffs_aio_cancel(): Save/restore IRQ flags
usb: dwc2: Fix SET/CLEAR_FEATURE and GET_STATUS flows
usb: dwc2: Fix in ISOC request length checking
usb: gadget: composite: Support more than 500mA MaxPower
usb: gadget: composite: Fix bMaxPower for SuperSpeedPlus
usb: gadget: u_audio: Fix high-speed max packet size
usb: dwc3: gadget: Check for IOC/LST bit in TRB->ctrl fields
USB: core: clean up endpoint-descriptor parsing
USB: quirks: blacklist duplicate ep on Sound Devices USBPre2
...
core:
- Allow only 1 rotation argument, and allow 0 rotation in video cmdline.
i915:
- Workaround missing Display Stream Compression (DSC) state readout by
forcing modeset when its enabled at probe
- Fix EHL port clock voltage level requirements
- Fix queuing retire workers on the virtual engine
- Fix use of partially initialized waiters
- Stop using drm_pci_alloc/drm_pci/free
- Fix rewind of RING_TAIL by forcing a context reload
- Fix locking on resetting ring->head
- Propagate our bug filing URL change to stable kernels
panfrost:
- Small compiler warning fix for panfrost.
- Fix when using performance counters in panfrost when using per fd address space.
sun4xi:
- Fix dt binding
nouveau:
- tu11x modesetting fix
- ACR/GR firmware support for tu11x (fw is public now)
msm:
- fix UBWC on GPU and display side for sc7180
- fix DSI suspend/resume issue encountered on sc7180
- fix some breakage on so called "linux-android" devices
(fallout from sc7180/a618 support, not seen earlier
due to bootloader/firmware differences)
- couple other misc fixes
amdgpu:
- HDCP fixes
- xclk fix for raven
- GFXOFF fixes
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Merge tag 'drm-fixes-2020-02-21' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Varied fixes for rc3.
i915 is the largest, they are seeing some ACPI problems with their CI
which hopefully get solved soon [1].
msm has a bunch of fixes for new hw added in the merge, a bunch of
amdgpu fixes, and nouveau adds support for some new firmwares for
turing tu11x GPUs that were just released into linux-firmware by
nvidia, they operate the same as the ones we already have for tu10x so
should be fine to hook up.
Otherwise it's just misc fixes for panfrost and sun4i.
core:
- Allow only one rotation argument, and allow zero rotation in video
cmdline.
i915:
- Workaround missing Display Stream Compression (DSC) state readout
by forcing modeset when its enabled at probe
- Fix EHL port clock voltage level requirements
- Fix queuing retire workers on the virtual engine
- Fix use of partially initialized waiters
- Stop using drm_pci_alloc/drm_pci/free
- Fix rewind of RING_TAIL by forcing a context reload
- Fix locking on resetting ring->head
- Propagate our bug filing URL change to stable kernels
panfrost:
- Small compiler warning fix for panfrost.
- Fix when using performance counters in panfrost when using per fd
address space.
sun4xi:
- Fix dt binding
nouveau:
- tu11x modesetting fix
- ACR/GR firmware support for tu11x (fw is public now)
msm:
- fix UBWC on GPU and display side for sc7180
- fix DSI suspend/resume issue encountered on sc7180
- fix some breakage on so called "linux-android" devices
(fallout from sc7180/a618 support, not seen earlier due to
bootloader/firmware differences)
- couple other misc fixes
amdgpu:
- HDCP fixes
- xclk fix for raven
- GFXOFF fixes"
[1] The Intel suspend testing should now be fixed by commit 63fb962342
("ACPI: PM: s2idle: Check fixed wakeup events in acpi_s2idle_wake()")
* tag 'drm-fixes-2020-02-21' of git://anongit.freedesktop.org/drm/drm: (39 commits)
drm/amdgpu/display: clean up hdcp workqueue handling
drm/amdgpu: add is_raven_kicker judgement for raven1
drm/i915/gt: Avoid resetting ring->head outside of its timeline mutex
drm/i915/execlists: Always force a context reload when rewinding RING_TAIL
drm/i915: Wean off drm_pci_alloc/drm_pci_free
drm/i915/gt: Protect defer_request() from new waiters
drm/i915/gt: Prevent queuing retire workers on the virtual engine
drm/i915/dsc: force full modeset whenever DSC is enabled at probe
drm/i915/ehl: Update port clock voltage level requirements
drm/i915: Update drm/i915 bug filing URL
MAINTAINERS: Update drm/i915 bug filing URL
drm/i915: Initialise basic fence before acquiring seqno
drm/i915/gem: Require per-engine reset support for non-persistent contexts
drm/nouveau/kms/gv100-: Re-set LUT after clearing for modesets
drm/nouveau/gr/tu11x: initial support
drm/nouveau/acr/tu11x: initial support
drm/amdgpu/gfx10: disable gfxoff when reading rlc clock
drm/amdgpu/gfx9: disable gfxoff when reading rlc clock
drm/amdgpu/soc15: fix xclk for raven
drm/amd/powerplay: always refetch the enabled features status on dpm enablement
...
Pull networking fixes from David Miller:
1) Limit xt_hashlimit hash table size to avoid OOM or hung tasks, from
Cong Wang.
2) Fix deadlock in xsk by publishing global consumer pointers when NAPI
is finished, from Magnus Karlsson.
3) Set table field properly to RT_TABLE_COMPAT when necessary, from
Jethro Beekman.
4) NLA_STRING attributes are not necessary NULL terminated, deal wiht
that in IFLA_ALT_IFNAME. From Eric Dumazet.
5) Fix checksum handling in atlantic driver, from Dmitry Bezrukov.
6) Handle mtu==0 devices properly in wireguard, from Jason A.
Donenfeld.
7) Fix several lockdep warnings in bonding, from Taehee Yoo.
8) Fix cls_flower port blocking, from Jason Baron.
9) Sanitize internal map names in libbpf, from Toke Høiland-Jørgensen.
10) Fix RDMA race in qede driver, from Michal Kalderon.
11) Fix several false lockdep warnings by adding conditions to
list_for_each_entry_rcu(), from Madhuparna Bhowmik.
12) Fix sleep in atomic in mlx5 driver, from Huy Nguyen.
13) Fix potential deadlock in bpf_map_do_batch(), from Yonghong Song.
14) Hey, variables declared in switch statement before any case
statements are not initialized. I learn something every day. Get
rids of this stuff in several parts of the networking, from Kees
Cook.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (99 commits)
bnxt_en: Issue PCIe FLR in kdump kernel to cleanup pending DMAs.
bnxt_en: Improve device shutdown method.
net: netlink: cap max groups which will be considered in netlink_bind()
net: thunderx: workaround BGX TX Underflow issue
ionic: fix fw_status read
net: disable BRIDGE_NETFILTER by default
net: macb: Properly handle phylink on at91rm9200
s390/qeth: fix off-by-one in RX copybreak check
s390/qeth: don't warn for napi with 0 budget
s390/qeth: vnicc Fix EOPNOTSUPP precedence
openvswitch: Distribute switch variables for initialization
net: ip6_gre: Distribute switch variables for initialization
net: core: Distribute switch variables for initialization
udp: rehash on disconnect
net/tls: Fix to avoid gettig invalid tls record
bpf: Fix a potential deadlock with bpf_map_do_batch
bpf: Do not grab the bucket spinlock by default on htab batch ops
ice: Wait for VF to be reset/ready before configuration
ice: Don't tell the OS that link is going down
ice: Don't reject odd values of usecs set by user
...
Merge misc fixes from Andrew Morton:
- A few y2038 fixes which missed the merge window while dependencies
in NFS were being sorted out.
- A bunch of fixes. Some minor, some not.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
MAINTAINERS: use tabs for SAFESETID
lib/stackdepot.c: fix global out-of-bounds in stack_slabs
mm/sparsemem: pfn_to_page is not valid yet on SPARSEMEM
mm/vmscan.c: don't round up scan size for online memory cgroup
lib/string.c: update match_string() doc-strings with correct behavior
mm/memcontrol.c: lost css_put in memcg_expand_shrinker_maps()
mm/swapfile.c: fix a comment in sys_swapon()
scripts/get_maintainer.pl: deprioritize old Fixes: addresses
get_maintainer: remove uses of P: for maintainer name
selftests/vm: add missed tests in run_vmtests
include/uapi/linux/swab.h: fix userspace breakage, use __BITS_PER_LONG for swap
Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()"
y2038: hide timeval/timespec/itimerval/itimerspec types
y2038: remove unused time32 interfaces
y2038: remove ktime to/from timespec/timeval conversion
Use tabs for indentation instead of spaces for SAFESETID. All (!) other
entries in MAINTAINERS use tabs (according to my simple grepping).
Link: http://lkml.kernel.org/r/2bb2e52a-2694-816d-57b4-6cabfadd6c1a@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Micah Morton <mortonm@chromium.org>
Cc: James Morris <jmorris@namei.org>
Cc: "Serge E. Hallyn" <serge@hallyn.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Walter Wu has reported a potential case in which init_stack_slab() is
called after stack_slabs[STACK_ALLOC_MAX_SLABS - 1] has already been
initialized. In that case init_stack_slab() will overwrite
stack_slabs[STACK_ALLOC_MAX_SLABS], which may result in a memory
corruption.
Link: http://lkml.kernel.org/r/20200218102950.260263-1-glider@google.com
Fixes: cd11016e5f ("mm, kasan: stackdepot implementation. Enable stackdepot for SLAB")
Signed-off-by: Alexander Potapenko <glider@google.com>
Reported-by: Walter Wu <walter-zh.wu@mediatek.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 68600f623d ("mm: don't miss the last page because of round-off
error") makes the scan size round up to @denominator regardless of the
memory cgroup's state, online or offline. This affects the overall
reclaiming behavior: the corresponding LRU list is eligible for
reclaiming only when its size logically right shifted by @sc->priority
is bigger than zero in the former formula.
For example, the inactive anonymous LRU list should have at least 0x4000
pages to be eligible for reclaiming when we have 60/12 for
swappiness/priority and without taking scan/rotation ratio into account.
After the roundup is applied, the inactive anonymous LRU list becomes
eligible for reclaiming when its size is bigger than or equal to 0x1000
in the same condition.
(0x4000 >> 12) * 60 / (60 + 140 + 1) = 1
((0x1000 >> 12) * 60) + 200) / (60 + 140 + 1) = 1
aarch64 has 512MB huge page size when the base page size is 64KB. The
memory cgroup that has a huge page is always eligible for reclaiming in
that case.
The reclaiming is likely to stop after the huge page is reclaimed,
meaing the further iteration on @sc->priority and the silbing and child
memory cgroups will be skipped. The overall behaviour has been changed.
This fixes the issue by applying the roundup to offlined memory cgroups
only, to give more preference to reclaim memory from offlined memory
cgroup. It sounds reasonable as those memory is unlikedly to be used by
anyone.
The issue was found by starting up 8 VMs on a Ampere Mustang machine,
which has 8 CPUs and 16 GB memory. Each VM is given with 2 vCPUs and
2GB memory. It took 264 seconds for all VMs to be completely up and
784MB swap is consumed after that. With this patch applied, it took 236
seconds and 60MB swap to do same thing. So there is 10% performance
improvement for my case. Note that KSM is disable while THP is enabled
in the testing.
total used free shared buff/cache available
Mem: 16196 10065 2049 16 4081 3749
Swap: 8175 784 7391
total used free shared buff/cache available
Mem: 16196 11324 3656 24 1215 2936
Swap: 8175 60 8115
Link: http://lkml.kernel.org/r/20200211024514.8730-1-gshan@redhat.com
Fixes: 68600f623d ("mm: don't miss the last page because of round-off error")
Signed-off-by: Gavin Shan <gshan@redhat.com>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: <stable@vger.kernel.org> [4.20+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There were a few attempts at changing behavior of the match_string()
helpers (i.e. 'match_string()' & 'sysfs_match_string()'), to change &
extend the behavior according to the doc-string.
But the simplest approach is to just fix the doc-strings. The current
behavior is fine as-is, and some bugs were introduced trying to fix it.
As for extending the behavior, new helpers can always be introduced if
needed.
The match_string() helpers behave more like 'strncmp()' in the sense
that they go up to n elements or until the first NULL element in the
array of strings.
This change updates the doc-strings with this info.
Link: http://lkml.kernel.org/r/20200213072722.8249-1-alexandru.ardelean@analog.com
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: "Tobin C . Harding" <tobin@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
for_each_mem_cgroup() increases css reference counter for memory cgroup
and requires to use mem_cgroup_iter_break() if the walk is cancelled.
Link: http://lkml.kernel.org/r/c98414fb-7e1f-da0f-867a-9340ec4bd30b@virtuozzo.com
Fixes: 0a4465d340 ("mm, memcg: assign memcg-aware shrinkers bitmap to memcg")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Acked-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vladimir Davydov <vdavydov.dev@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>
Recently, I found that get_maintainer was causing me to send emails to
the old addresses for maintainers. Since I usually just trust the
output of get_maintainer to know the right email address, I didn't even
look carefully and fired off two patch series that went to the wrong
place. Oops.
The problem was introduced recently when trying to add signatures from
Fixes. The problem was that these email addresses were added too early
in the process of compiling our list of places to send. Things added to
the list earlier are considered more canonical and when we later added
maintainer entries we ended up deduplicating to the old address.
Here are two examples using mainline commits (to make it easier to
replicate) for the two maintainers that I messed up recently:
$ git format-patch d8549bcd0529~..d8549bcd0529
$ ./scripts/get_maintainer.pl 0001-clk-Add-clk_hw*.patch | grep Boyd
Stephen Boyd <sboyd@codeaurora.org>...
$ git format-patch 6d1238aa3395~..6d1238aa3395
$ ./scripts/get_maintainer.pl 0001-arm64-dts-qcom-qcs404*.patch | grep Andy
Andy Gross <andy.gross@linaro.org>
Let's move the adding of addresses from Fixes: to the end since the
email addresses from these are much more likely to be older.
After this patch the above examples get the right addresses for the two
examples.
Link: http://lkml.kernel.org/r/20200127095001.1.I41fba9f33590bfd92cd01960161d8384268c6569@changeid
Fixes: 2f5bd34369 ("scripts/get_maintainer.pl: add signatures from Fixes: <badcommit> lines in commit message")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Joe Perches <joe@perches.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Andy Gross <agross@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 1ca84ed642 ("MAINTAINERS: Reclaim the P: tag for Maintainer
Entry Profile") changed the use of the "P:" tag from "Person" to
"Profile (ie: special subsystem coding styles and characteristics)"
Change how get_maintainer.pl parses the "P:" tag to match.
Link: http://lkml.kernel.org/r/ca53823fc5d25c0be32ad937d0207a0589c08643.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Dan Williams <dan.j.william@intel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The commits introducing 'mlock-random-test'[1], 'map_fiex_noreplace'[2],
and 'thuge-gen'[3] have not added those in the 'run_vmtests' script and
thus the 'run_tests' command of kselftests doesn't run those. This
commit adds those in the script.
'gup_benchmark' and 'transhuge-stress' are also not included in the
'run_vmtests', but this commit does not add those because those are for
performance measurement rather than pass/fail tests.
[1] commit 26b4224d99 ("selftests: expanding more mlock selftest")
[2] commit 91cbacc345 ("tools/testing/selftests/vm/map_fixed_noreplace.c: add test for MAP_FIXED_NOREPLACE")
[3] commit fcc1f2d5dd ("selftests: add a test program for variable huge page sizes in mmap/shmget")
Link: http://lkml.kernel.org/r/20200206085144.29126-1-sj38.park@gmail.com
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
QEMU has a funny new build error message when I use the upstream kernel
headers:
CC block/file-posix.o
In file included from /home/cborntra/REPOS/qemu/include/qemu/timer.h:4,
from /home/cborntra/REPOS/qemu/include/qemu/timed-average.h:29,
from /home/cborntra/REPOS/qemu/include/block/accounting.h:28,
from /home/cborntra/REPOS/qemu/include/block/block_int.h:27,
from /home/cborntra/REPOS/qemu/block/file-posix.c:30:
/usr/include/linux/swab.h: In function `__swab':
/home/cborntra/REPOS/qemu/include/qemu/bitops.h:20:34: error: "sizeof" is not defined, evaluates to 0 [-Werror=undef]
20 | #define BITS_PER_LONG (sizeof (unsigned long) * BITS_PER_BYTE)
| ^~~~~~
/home/cborntra/REPOS/qemu/include/qemu/bitops.h:20:41: error: missing binary operator before token "("
20 | #define BITS_PER_LONG (sizeof (unsigned long) * BITS_PER_BYTE)
| ^
cc1: all warnings being treated as errors
make: *** [/home/cborntra/REPOS/qemu/rules.mak:69: block/file-posix.o] Error 1
rm tests/qemu-iotests/socket_scm_helper.o
This was triggered by commit d5767057c9 ("uapi: rename ext2_swab() to
swab() and share globally in swab.h"). That patch is doing
#include <asm/bitsperlong.h>
but it uses BITS_PER_LONG.
The kernel file asm/bitsperlong.h provide only __BITS_PER_LONG.
Let us use the __ variant in swap.h
Link: http://lkml.kernel.org/r/20200213142147.17604-1-borntraeger@de.ibm.com
Fixes: d5767057c9 ("uapi: rename ext2_swab() to swab() and share globally in swab.h")
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Yury Norov <yury.norov@gmail.com>
Cc: Allison Randal <allison@lohutok.net>
Cc: Joe Perches <joe@perches.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Torsten Hilbrich <torsten.hilbrich@secunet.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Masahiro Yamada