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Library archives (.a) usually contain multiple object files so their
output of nm --size-sort contains lines like:
<omitted for brevity>
00000000000003a8 t run_test
extent-map-tests.o:
<omitted for brevity>
bloat-o-meter currently doesn't handle them which results in errors when
calling .split() on them. Fix this by simply ignoring them. This enables
diffing subsystems which generate built-in.a files.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200603103513.3712-1-nborisov@suse.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Parse compiled source from *.cmd but don't 'find' too many files that are
not related to compilation.
[xujialu@vimux.org: don't expand symlinks by add option -s for realpath]
Link: http://lkml.kernel.org/r/5efc5bfb.1c69fb81.41bf5.7131SMTPIN_ADDED_MISSING@mx.google.com
Signed-off-by: Jialu Xu <xujialu@vimux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Joe Perches <joe@perches.com>
Link: http://lkml.kernel.org/r/5ee5d8e3.1c69fb81.9b804.47b2SMTPIN_ADDED_MISSING@mx.google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Haven't reproduced this issue. This PR is does a minor code cleanup.
Signed-off-by: Gaurav Singh <gaurav1086@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Michal Koutn <mkoutny@suse.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Chris Down <chris@chrisdown.name>
Link: http://lkml.kernel.org/r/20200726013808.22242-1-gaurav1086@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200726120752.16768-1-grandmaster@al2klimov.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Originally kthread_create_on_cpu() parked and woke up the new thread.
However, since commit a65d40961dc7 ("kthread/smpboot: do not park in
kthread_create_on_cpu()") this is no longer the case. This patch removes
the comment that has been left behind and is now incorrect / stale.
Fixes: a65d40961dc7 ("kthread/smpboot: do not park in kthread_create_on_cpu()")
Signed-off-by: Ilias Stamatis <stamatis.iliass@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Link: http://lkml.kernel.org/r/20200611135920.240551-1-stamatis.iliass@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
For SMP systems using IPI based TLB invalidation, looking at
current->active_mm is entirely reasonable. This then presents the
following race condition:
CPU0 CPU1
flush_tlb_mm(mm) use_mm(mm)
<send-IPI>
tsk->active_mm = mm;
<IPI>
if (tsk->active_mm == mm)
// flush TLBs
</IPI>
switch_mm(old_mm,mm,tsk);
Where it is possible the IPI flushed the TLBs for @old_mm, not @mm,
because the IPI lands before we actually switched.
Avoid this by disabling IRQs across changing ->active_mm and
switch_mm().
Of the (SMP) architectures that have IPI based TLB invalidate:
Alpha - checks active_mm
ARC - ASID specific
IA64 - checks active_mm
MIPS - ASID specific flush
OpenRISC - shoots down world
PARISC - shoots down world
SH - ASID specific
SPARC - ASID specific
x86 - N/A
xtensa - checks active_mm
So at the very least Alpha, IA64 and Xtensa are suspect.
On top of this, for scheduler consistency we need at least preemption
disabled across changing tsk->mm and doing switch_mm(), which is
currently provided by task_lock(), but that's not sufficient for
PREEMPT_RT.
[akpm@linux-foundation.org: add comment]
Reported-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kees Cook <keescook@chromium.org>
Cc: Jann Horn <jannh@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20200721154106.GE10769@hirez.programming.kicks-ass.net
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Especially with memory hotplug, we can have offline sections (with a
garbage memmap) and overlapping zones. We have to make sure to only touch
initialized memmaps (online sections managed by the buddy) and that the
zone matches, to not move pages between zones.
To test if this can actually happen, I added a simple
BUG_ON(page_zone(page_i) != page_zone(page_j));
right before the swap. When hotplugging a 256M DIMM to a 4G x86-64 VM and
onlining the first memory block "online_movable" and the second memory
block "online_kernel", it will trigger the BUG, as both zones (NORMAL and
MOVABLE) overlap.
This might result in all kinds of weird situations (e.g., double
allocations, list corruptions, unmovable allocations ending up in the
movable zone).
Fixes: e900a918b098 ("mm: shuffle initial free memory to improve memory-side-cache utilization")
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: <stable@vger.kernel.org> [5.2+]
Link: http://lkml.kernel.org/r/20200624094741.9918-2-david@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
On x86_64, when CONFIG_MMU_NOTIFIER is not set/enabled, there is a
compiler error:
mm/migrate.c: In function 'migrate_vma_collect':
mm/migrate.c:2481:7: error: 'struct mmu_notifier_range' has no member named 'migrate_pgmap_owner'
range.migrate_pgmap_owner = migrate->pgmap_owner;
^
Fixes: 998427b3ad2c ("mm/notifier: add migration invalidation type")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: "Jason Gunthorpe" <jgg@mellanox.com>
Link: http://lkml.kernel.org/r/20200806193353.7124-1-rcampbell@nvidia.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fix some btree block pingponging problems when swapping extents
- Redesign the reflink copy loop so that we only run one remapping
operation per transaction. This helps us avoid running out of block
reservation on highly deduped filesystems.
- Take the MMAPLOCK around filemap_map_pages.
- Make inode reclaim fully async so that we avoid stalling processes on
flushing inodes to disk.
- Reduce inode cluster buffer RMW cycles by attaching the buffer to
dirty inodes so we won't let go of the cluster buffer when we know
we're going to need it soon.
- Add some more checks to the realtime bitmap file scrubber.
- Don't trip false lockdep warnings in fs freeze.
- Remove various redundant lines of code.
- Remove unnecessary calls to xfs_perag_{get,put}.
- Preserve I_VERSION state across remounts.
- Fix an unmount hang due to AIL going to sleep with a non-empty delwri
buffer list.
- Fix an error in the inode allocation space reservation macro that
caused regressions in generic/531.
- Fix a potential livelock when dquot flush fails because the dquot
buffer is locked.
- Fix a miscalculation when reserving inode quota that could cause users
to exceed a hardlimit.
- Refactor struct xfs_dquot to use native types for incore fields
instead of abusing the ondisk struct for this purpose. This will
eventually enable proper y2038+ support, but for now it merely cleans
up the quota function declarations.
- Actually increment the quota softlimit warning counter so that soft
failures turn into hard(er) failures when they exceed the softlimit
warning counter limits set by the administrator.
- Split incore dquot state flags into their own field and namespace, to
avoid mixing them with quota type flags.
- Create a new quota type flags namespace so that we can make it obvious
when a quota function takes a quota type (user, group, project) as an
argument.
- Rename the ondisk dquot flags field to type, as that more accurately
represents what we store in it.
- Drop our bespoke memory allocation flags in favor of GFP_*.
- Rearrange the xattr functions so that we no longer mix metadata
updates and transaction management (e.g. rolling complex transactions)
in the same functions. This work will prepare us for atomic xattr
operations (itself a prerequisite for directory backrefs) in future
release cycles.
- Support FS_DAX_FL (aka FS_XFLAG_DAX) via GETFLAGS/SETFLAGS.
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Merge tag 'xfs-5.9-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Darrick Wong:
"There are quite a few changes in this release, the most notable of
which is that we've made inode flushing fully asynchronous, and we no
longer block memory reclaim on this.
Furthermore, we have fixed a long-standing bug in the quota code where
soft limit warnings and inode limits were never tracked properly.
Moving further down the line, the reflink control loops have been
redesigned to behave more efficiently; and numerous small bugs have
been fixed (see below). The xattr and quota code have been extensively
refactored in preparation for more new features coming down the line.
Finally, the behavior of DAX between ext4 and xfs has been stabilized,
which gets us a step closer to removing the experimental tag from that
feature.
We have a few new contributors this time around. Welcome, all!
I anticipate a second pull request next week for a few small bugfixes
that have been trickling in, but this is it for big changes.
Summary:
- Fix some btree block pingponging problems when swapping extents
- Redesign the reflink copy loop so that we only run one remapping
operation per transaction. This helps us avoid running out of block
reservation on highly deduped filesystems.
- Take the MMAPLOCK around filemap_map_pages.
- Make inode reclaim fully async so that we avoid stalling processes
on flushing inodes to disk.
- Reduce inode cluster buffer RMW cycles by attaching the buffer to
dirty inodes so we won't let go of the cluster buffer when we know
we're going to need it soon.
- Add some more checks to the realtime bitmap file scrubber.
- Don't trip false lockdep warnings in fs freeze.
- Remove various redundant lines of code.
- Remove unnecessary calls to xfs_perag_{get,put}.
- Preserve I_VERSION state across remounts.
- Fix an unmount hang due to AIL going to sleep with a non-empty
delwri buffer list.
- Fix an error in the inode allocation space reservation macro that
caused regressions in generic/531.
- Fix a potential livelock when dquot flush fails because the dquot
buffer is locked.
- Fix a miscalculation when reserving inode quota that could cause
users to exceed a hardlimit.
- Refactor struct xfs_dquot to use native types for incore fields
instead of abusing the ondisk struct for this purpose. This will
eventually enable proper y2038+ support, but for now it merely
cleans up the quota function declarations.
- Actually increment the quota softlimit warning counter so that soft
failures turn into hard(er) failures when they exceed the softlimit
warning counter limits set by the administrator.
- Split incore dquot state flags into their own field and namespace,
to avoid mixing them with quota type flags.
- Create a new quota type flags namespace so that we can make it
obvious when a quota function takes a quota type (user, group,
project) as an argument.
- Rename the ondisk dquot flags field to type, as that more
accurately represents what we store in it.
- Drop our bespoke memory allocation flags in favor of GFP_*.
- Rearrange the xattr functions so that we no longer mix metadata
updates and transaction management (e.g. rolling complex
transactions) in the same functions. This work will prepare us for
atomic xattr operations (itself a prerequisite for directory
backrefs) in future release cycles.
- Support FS_DAX_FL (aka FS_XFLAG_DAX) via GETFLAGS/SETFLAGS"
* tag 'xfs-5.9-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (117 commits)
fs/xfs: Support that ioctl(SETXFLAGS/GETXFLAGS) can set/get inode DAX on XFS.
xfs: Lift -ENOSPC handler from xfs_attr_leaf_addname
xfs: Simplify xfs_attr_node_addname
xfs: Simplify xfs_attr_leaf_addname
xfs: Add helper function xfs_attr_node_removename_rmt
xfs: Add helper function xfs_attr_node_removename_setup
xfs: Add remote block helper functions
xfs: Add helper function xfs_attr_leaf_mark_incomplete
xfs: Add helpers xfs_attr_is_shortform and xfs_attr_set_shortform
xfs: Remove xfs_trans_roll in xfs_attr_node_removename
xfs: Remove unneeded xfs_trans_roll_inode calls
xfs: Add helper function xfs_attr_node_shrink
xfs: Pull up xfs_attr_rmtval_invalidate
xfs: Refactor xfs_attr_rmtval_remove
xfs: Pull up trans roll in xfs_attr3_leaf_clearflag
xfs: Factor out xfs_attr_rmtval_invalidate
xfs: Pull up trans roll from xfs_attr3_leaf_setflag
xfs: Refactor xfs_attr_try_sf_addname
xfs: Split apart xfs_attr_leaf_addname
xfs: Pull up trans handling in xfs_attr3_leaf_flipflags
...
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Merge tag 'for-linus-5.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- two trivial comment fixes
- a small series for the Xen balloon driver fixing some issues
- a series of the Xen privcmd driver targeting elimination of using
get_user_pages*() in this driver
- a series for the Xen swiotlb driver cleaning it up and adding support
for letting the kernel run as dom0 on Rpi4
* tag 'for-linus-5.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/arm: call dma_to_phys on the dma_addr_t parameter of dma_cache_maint
xen/arm: introduce phys/dma translations in xen_dma_sync_for_*
swiotlb-xen: introduce phys_to_dma/dma_to_phys translations
swiotlb-xen: remove XEN_PFN_PHYS
swiotlb-xen: add struct device * parameter to is_xen_swiotlb_buffer
swiotlb-xen: add struct device * parameter to xen_dma_sync_for_device
swiotlb-xen: add struct device * parameter to xen_dma_sync_for_cpu
swiotlb-xen: add struct device * parameter to xen_bus_to_phys
swiotlb-xen: add struct device * parameter to xen_phys_to_bus
swiotlb-xen: remove start_dma_addr
swiotlb-xen: use vmalloc_to_page on vmalloc virt addresses
Revert "xen/balloon: Fix crash when ballooning on x86 32 bit PAE"
xen/balloon: make the balloon wait interruptible
xen/balloon: fix accounting in alloc_xenballooned_pages error path
xen: hypercall.h: fix duplicated word
xen/gntdev: gntdev.h: drop a duplicated word
xen/privcmd: Convert get_user_pages*() to pin_user_pages*()
xen/privcmd: Mark pages as dirty
xen/privcmd: Corrected error handling path
In order to help catch regressions in splice vs read behavior in certain
special files, test a few with various different kinds of internal
kernel helpers.
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
The only-root-readable /sys/module/$module/sections/$section files
did not truncate their output to the available buffer size. While most
paths into the kernfs read handlers end up using PAGE_SIZE buffers,
it's possible to get there through other paths (e.g. splice, sendfile).
Actually limit the output to the "count" passed into the read function,
and report it back correctly. *sigh*
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/lkml/20200805002015.GE23458@shao2-debian
Fixes: ed66f991bb19 ("module: Refactor section attr into bin attribute")
Cc: stable@vger.kernel.org
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Jessica Yu <jeyu@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
- Add support for (optionally) using queued spinlocks & rwlocks.
- Support for a new faster system call ABI using the scv instruction on Power9
or later.
- Drop support for the PROT_SAO mmap/mprotect flag as it will be unsupported on
Power10 and future processors, leaving us with no way to implement the
functionality it requests. This risks breaking userspace, though we believe
it is unused in practice.
- A bug fix for, and then the removal of, our custom stack expansion checking.
We now allow stack expansion up to the rlimit, like other architectures.
- Remove the remnants of our (previously disabled) topology update code, which
tried to react to NUMA layout changes on virtualised systems, but was prone
to crashes and other problems.
- Add PMU support for Power10 CPUs.
- A change to our signal trampoline so that we don't unbalance the link stack
(branch return predictor) in the signal delivery path.
- Lots of other cleanups, refactorings, smaller features and so on as usual.
Thanks to:
Abhishek Goel, Alastair D'Silva, Alexander A. Klimov, Alexey Kardashevskiy,
Alistair Popple, Andrew Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anton
Blanchard, Arnd Bergmann, Athira Rajeev, Balamuruhan S, Bharata B Rao, Bill
Wendling, Bin Meng, Cédric Le Goater, Chris Packham, Christophe Leroy,
Christoph Hellwig, Daniel Axtens, Dan Williams, David Lamparter, Desnes A.
Nunes do Rosario, Erhard F., Finn Thain, Frederic Barrat, Ganesh Goudar,
Gautham R. Shenoy, Geoff Levand, Greg Kurz, Gustavo A. R. Silva, Hari Bathini,
Harish, Imre Kaloz, Joel Stanley, Joe Perches, John Crispin, Jordan Niethe,
Kajol Jain, Kamalesh Babulal, Kees Cook, Laurent Dufour, Leonardo Bras, Li
RongQing, Madhavan Srinivasan, Mahesh Salgaonkar, Mark Cave-Ayland, Michal
Suchanek, Milton Miller, Mimi Zohar, Murilo Opsfelder Araujo, Nathan
Chancellor, Nathan Lynch, Naveen N. Rao, Nayna Jain, Nicholas Piggin, Oliver
O'Halloran, Palmer Dabbelt, Pedro Miraglia Franco de Carvalho, Philippe
Bergheaud, Pingfan Liu, Pratik Rajesh Sampat, Qian Cai, Qinglang Miao, Randy
Dunlap, Ravi Bangoria, Sachin Sant, Sam Bobroff, Sandipan Das, Santosh
Sivaraj, Satheesh Rajendran, Shirisha Ganta, Sourabh Jain, Srikar Dronamraju,
Stan Johnson, Stephen Rothwell, Thadeu Lima de Souza Cascardo, Thiago Jung
Bauermann, Tom Lane, Vaibhav Jain, Vladis Dronov, Wei Yongjun, Wen Xiong,
YueHaibing.
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Merge tag 'powerpc-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
- Add support for (optionally) using queued spinlocks & rwlocks.
- Support for a new faster system call ABI using the scv instruction on
Power9 or later.
- Drop support for the PROT_SAO mmap/mprotect flag as it will be
unsupported on Power10 and future processors, leaving us with no way
to implement the functionality it requests. This risks breaking
userspace, though we believe it is unused in practice.
- A bug fix for, and then the removal of, our custom stack expansion
checking. We now allow stack expansion up to the rlimit, like other
architectures.
- Remove the remnants of our (previously disabled) topology update
code, which tried to react to NUMA layout changes on virtualised
systems, but was prone to crashes and other problems.
- Add PMU support for Power10 CPUs.
- A change to our signal trampoline so that we don't unbalance the link
stack (branch return predictor) in the signal delivery path.
- Lots of other cleanups, refactorings, smaller features and so on as
usual.
Thanks to: Abhishek Goel, Alastair D'Silva, Alexander A. Klimov, Alexey
Kardashevskiy, Alistair Popple, Andrew Donnellan, Aneesh Kumar K.V, Anju
T Sudhakar, Anton Blanchard, Arnd Bergmann, Athira Rajeev, Balamuruhan
S, Bharata B Rao, Bill Wendling, Bin Meng, Cédric Le Goater, Chris
Packham, Christophe Leroy, Christoph Hellwig, Daniel Axtens, Dan
Williams, David Lamparter, Desnes A. Nunes do Rosario, Erhard F., Finn
Thain, Frederic Barrat, Ganesh Goudar, Gautham R. Shenoy, Geoff Levand,
Greg Kurz, Gustavo A. R. Silva, Hari Bathini, Harish, Imre Kaloz, Joel
Stanley, Joe Perches, John Crispin, Jordan Niethe, Kajol Jain, Kamalesh
Babulal, Kees Cook, Laurent Dufour, Leonardo Bras, Li RongQing, Madhavan
Srinivasan, Mahesh Salgaonkar, Mark Cave-Ayland, Michal Suchanek, Milton
Miller, Mimi Zohar, Murilo Opsfelder Araujo, Nathan Chancellor, Nathan
Lynch, Naveen N. Rao, Nayna Jain, Nicholas Piggin, Oliver O'Halloran,
Palmer Dabbelt, Pedro Miraglia Franco de Carvalho, Philippe Bergheaud,
Pingfan Liu, Pratik Rajesh Sampat, Qian Cai, Qinglang Miao, Randy
Dunlap, Ravi Bangoria, Sachin Sant, Sam Bobroff, Sandipan Das, Santosh
Sivaraj, Satheesh Rajendran, Shirisha Ganta, Sourabh Jain, Srikar
Dronamraju, Stan Johnson, Stephen Rothwell, Thadeu Lima de Souza
Cascardo, Thiago Jung Bauermann, Tom Lane, Vaibhav Jain, Vladis Dronov,
Wei Yongjun, Wen Xiong, YueHaibing.
* tag 'powerpc-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (337 commits)
selftests/powerpc: Fix pkey syscall redefinitions
powerpc: Fix circular dependency between percpu.h and mmu.h
powerpc/powernv/sriov: Fix use of uninitialised variable
selftests/powerpc: Skip vmx/vsx/tar/etc tests on older CPUs
powerpc/40x: Fix assembler warning about r0
powerpc/papr_scm: Add support for fetching nvdimm 'fuel-gauge' metric
powerpc/papr_scm: Fetch nvdimm performance stats from PHYP
cpuidle: pseries: Fixup exit latency for CEDE(0)
cpuidle: pseries: Add function to parse extended CEDE records
cpuidle: pseries: Set the latency-hint before entering CEDE
selftests/powerpc: Fix online CPU selection
powerpc/perf: Consolidate perf_callchain_user_[64|32]()
powerpc/pseries/hotplug-cpu: Remove double free in error path
powerpc/pseries/mobility: Add pr_debug() for device tree changes
powerpc/pseries/mobility: Set pr_fmt()
powerpc/cacheinfo: Warn if cache object chain becomes unordered
powerpc/cacheinfo: Improve diagnostics about malformed cache lists
powerpc/cacheinfo: Use name@unit instead of full DT path in debug messages
powerpc/cacheinfo: Set pr_fmt()
powerpc: fix function annotations to avoid section mismatch warnings with gcc-10
...
We have a lot of new kernel features for this merge window:
* ARCH_SUPPORTS_ATOMIC_RMW, to allow OSQ locks to be enabled.
* The ability to enable NO_HZ_FULL
* Support for enabling kcov, kmemleak, stack protector, and VM debugging.
* JUMP_LABEL support.
There are also a handful of cleanups.
next points out a trivial Kconfig merge conflict. I don't see any way to have
done this better: the symbols are sorted, it just happens that
HAVE_COPY_THREAD_TLS was in the middle of two new symbols. In case it helps
any, here's a pretty current conflict resolution:
diff --cc arch/riscv/Kconfig
index bc37241a6875,6c4bce7cad8a..7b5905529146
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@@ -57,9 -54,6 +59,8 @@@ config RISC
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select HAVE_ASM_MODVERSIONS
+ select HAVE_CONTEXT_TRACKING
- select HAVE_COPY_THREAD_TLS
+ select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_CONTIGUOUS if MMU
select HAVE_EBPF_JIT if MMU
select HAVE_FUTEX_CMPXCHG if FUTEX
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Merge tag 'riscv-for-linus-5.9-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
"We have a lot of new kernel features for this merge window:
- ARCH_SUPPORTS_ATOMIC_RMW, to allow OSQ locks to be enabled
- The ability to enable NO_HZ_FULL
- Support for enabling kcov, kmemleak, stack protector, and VM
debugging
- JUMP_LABEL support
There are also a handful of cleanups"
* tag 'riscv-for-linus-5.9-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (24 commits)
riscv: disable stack-protector for vDSO
RISC-V: Fix build warning for smpboot.c
riscv: fix build warning of mm/pageattr
riscv: Fix build warning for mm/init
RISC-V: Setup exception vector early
riscv: Select ARCH_HAS_DEBUG_VM_PGTABLE
riscv: Use generic pgprot_* macros from <linux/pgtable.h>
mm: pgtable: Make generic pgprot_* macros available for no-MMU
riscv: Cleanup unnecessary define in asm-offset.c
riscv: Add jump-label implementation
riscv: Support R_RISCV_ADD64 and R_RISCV_SUB64 relocs
Replace HTTP links with HTTPS ones: RISC-V
riscv: Add STACKPROTECTOR supported
riscv: Fix typo in asm/hwcap.h uapi header
riscv: Add kmemleak support
riscv: Allow building with kcov coverage
riscv: Enable context tracking
riscv: Support irq_work via self IPIs
riscv: Enable LOCKDEP_SUPPORT & fixup TRACE_IRQFLAGS_SUPPORT
riscv: Fixup lockdep_assert_held with wrong param cpu_running
...
Pull init and set_fs() cleanups from Al Viro:
"Christoph's 'getting rid of ksys_...() uses under KERNEL_DS' series"
* 'hch.init_path' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (50 commits)
init: add an init_dup helper
init: add an init_utimes helper
init: add an init_stat helper
init: add an init_mknod helper
init: add an init_mkdir helper
init: add an init_symlink helper
init: add an init_link helper
init: add an init_eaccess helper
init: add an init_chmod helper
init: add an init_chown helper
init: add an init_chroot helper
init: add an init_chdir helper
init: add an init_rmdir helper
init: add an init_unlink helper
init: add an init_umount helper
init: add an init_mount helper
init: mark create_dev as __init
init: mark console_on_rootfs as __init
init: initialize ramdisk_execute_command at compile time
devtmpfs: refactor devtmpfsd()
...
Pull ptrace regset updates from Al Viro:
"Internal regset API changes:
- regularize copy_regset_{to,from}_user() callers
- switch to saner calling conventions for ->get()
- kill user_regset_copyout()
The ->put() side of things will have to wait for the next cycle,
unfortunately.
The balance is about -1KLoC and replacements for ->get() instances are
a lot saner"
* 'work.regset' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (41 commits)
regset: kill user_regset_copyout{,_zero}()
regset(): kill ->get_size()
regset: kill ->get()
csky: switch to ->regset_get()
xtensa: switch to ->regset_get()
parisc: switch to ->regset_get()
nds32: switch to ->regset_get()
nios2: switch to ->regset_get()
hexagon: switch to ->regset_get()
h8300: switch to ->regset_get()
openrisc: switch to ->regset_get()
riscv: switch to ->regset_get()
c6x: switch to ->regset_get()
ia64: switch to ->regset_get()
arc: switch to ->regset_get()
arm: switch to ->regset_get()
sh: convert to ->regset_get()
arm64: switch to ->regset_get()
mips: switch to ->regset_get()
sparc: switch to ->regset_get()
...
The code for preallocate_vmalloc_pages() was written under the
assumption that the p4d_offset() and pud_offset() functions will perform
present checks before dereferencing the parent entries.
This assumption is wrong an leads to a bug in the code which causes the
physical address found in the PGD be used as a page-table page, even if
the PGD is not present.
So the code flow currently is:
pgd = pgd_offset_k(addr);
p4d = p4d_offset(pgd, addr);
if (p4d_none(*p4d))
p4d = p4d_alloc(&init_mm, pgd, addr);
This lacks a check for pgd_none() at least, the correct flow would be:
pgd = pgd_offset_k(addr);
if (pgd_none(*pgd))
p4d = p4d_alloc(&init_mm, pgd, addr);
else
p4d = p4d_offset(pgd, addr);
But this is the same flow that the p4d_alloc() and the pud_alloc()
functions use internally, so there is no need to duplicate them.
Remove the p?d_none() checks from the function and just call into
p4d_alloc() and pud_alloc() to correctly pre-allocate the PGD entries.
Reported-and-tested-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Fixes: 6eb82f994026 ("x86/mm: Pre-allocate P4D/PUD pages for vmalloc area")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 585524081ecd ("random: random.h should include archrandom.h, not
the other way around") tries to fix a problem with recursive inclusion
of linux/random.h and arch/archrandom.h for arm64. Unfortunately, this
results in the following compile error if ARCH_RANDOM is disabled.
arch/arm64/kernel/kaslr.c: In function 'kaslr_early_init':
arch/arm64/kernel/kaslr.c:128:6: error: implicit declaration of function '__early_cpu_has_rndr'; did you mean '__early_pfn_to_nid'? [-Werror=implicit-function-declaration]
if (__early_cpu_has_rndr()) {
^~~~~~~~~~~~~~~~~~~~
__early_pfn_to_nid
arch/arm64/kernel/kaslr.c:131:7: error: implicit declaration of function '__arm64_rndr' [-Werror=implicit-function-declaration]
if (__arm64_rndr(&raw))
^~~~~~~~~~~~
The problem is that arch/archrandom.h is only included from
linux/random.h if ARCH_RANDOM is enabled. If not, __arm64_rndr() and
__early_cpu_has_rndr() are undeclared, causing the problem.
Use arch_get_random_seed_long_early() instead of arm64 specific
functions to solve the problem.
Reported-by: Qian Cai <cai@lca.pw>
Fixes: 585524081ecd ("random: random.h should include archrandom.h, not the other way around")
Cc: Qian Cai <cai@lca.pw>
Cc: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Tested-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We just don't do that. "default y" is for things that are needed for
compatibility (when an old feature is made unconditional), or for things
that are basically part of the infrastructure of a platform.
And it can possibly be used for questions that don't enable code on
their own, but are used to enable or disable a whole slew of other
questions.
A new feature that people aren't using is never 'default y', unless it
cures cancer or ends world hunger.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Drop useless 'depends on' in Kconfig
* Add an extra level in the Kconfig hierarchy
* Trivial spellings
* Dynamic allocation of the interface configurations
* Dropping the default ONFI timing mode
* Various cleanup (types, structures, naming, comments)
* Hide the chip->data_interface indirection
* Add the generic rb-gpios property
* Add the ->choose_interface_config() hook
* Introduce nand_choose_best_sdr_timings()
* Use default values for tPROG_max and tBERS_max
* Avoid redefining tR_max and tCCS_min
* Add a helper to find the closest ONFI mode
* bcm63xx MTD parsers: simplify CFE detection
Raw NAND controller drivers changes:
* fsl-upm: Deprecation of specific DT properties
* fsl_upm: Driver rework and cleanup in favor of ->exec_op()
* Ingenic: Cleanup ARRAY_SIZE() vs sizeof() use
* brcmnand: ECC error handling on EDU transfers
* brcmnand: Don't default to EDU transfers
* qcom: Set BAM mode only if not set already
* qcom: Avoid write to unavailable register
* gpio: Driver rework in favor of ->exec_op()
* tango: ->exec_op() conversion
* mtk: ->exec_op() conversion
Raw NAND chip drivers changes:
* toshiba: Implement ->choose_interface_config() for TH58NVG2S3HBAI4
* toshiba: Implement ->choose_interface_config() for TC58NVG0S3E
* toshiba: Implement ->choose_interface_config() for TC58TEG5DCLTA00
* hynix: Implement ->choose_interface_config() for H27UCG8T2ATR-BC
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Merge tag 'nand/for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next
Core changes:
* Drop useless 'depends on' in Kconfig
* Add an extra level in the Kconfig hierarchy
* Trivial spellings
* Dynamic allocation of the interface configurations
* Dropping the default ONFI timing mode
* Various cleanup (types, structures, naming, comments)
* Hide the chip->data_interface indirection
* Add the generic rb-gpios property
* Add the ->choose_interface_config() hook
* Introduce nand_choose_best_sdr_timings()
* Use default values for tPROG_max and tBERS_max
* Avoid redefining tR_max and tCCS_min
* Add a helper to find the closest ONFI mode
* bcm63xx MTD parsers: simplify CFE detection
Raw NAND controller drivers changes:
* fsl-upm: Deprecation of specific DT properties
* fsl_upm: Driver rework and cleanup in favor of ->exec_op()
* Ingenic: Cleanup ARRAY_SIZE() vs sizeof() use
* brcmnand: ECC error handling on EDU transfers
* brcmnand: Don't default to EDU transfers
* qcom: Set BAM mode only if not set already
* qcom: Avoid write to unavailable register
* gpio: Driver rework in favor of ->exec_op()
* tango: ->exec_op() conversion
* mtk: ->exec_op() conversion
Raw NAND chip drivers changes:
* toshiba: Implement ->choose_interface_config() for TH58NVG2S3HBAI4
* toshiba: Implement ->choose_interface_config() for TC58NVG0S3E
* toshiba: Implement ->choose_interface_config() for TC58TEG5DCLTA00
* hynix: Implement ->choose_interface_config() for H27UCG8T2ATR-BC
This set includes a some improvements to the dlm
networking layer: improving the ability to trace
dlm messages for debugging, and improved handling
of bad messages or disrupted connections.
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Merge tag 'dlm-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"This set includes a some improvements to the dlm networking layer:
improving the ability to trace dlm messages for debugging, and
improved handling of bad messages or disrupted connections"
* tag 'dlm-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
fs: dlm: implement tcp graceful shutdown
fs: dlm: change handling of reconnects
fs: dlm: don't close socket on invalid message
fs: dlm: set skb mark per peer socket
fs: dlm: set skb mark for listen socket
net: sock: add sock_set_mark
dlm: Fix kobject memleak
- Make sure we call ->iomap_end with a failure code if ->iomap_begin
failed in any way; some filesystems need to try to undo things.
- Don't invalidate the page cache during direct reads since we already
sync'd the cache with disk.
- Make direct writes fall back to the page cache if the pre-write
cache invalidation fails. This avoids a cache coherency problem.
- Fix some idiotic virus scanner warning bs in the previous tag.
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Merge tag 'iomap-5.9-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap updates from Darrick Wong:
"The most notable changes are:
- iomap no longer invalidates the page cache when performing a direct
read, since doing so is unnecessary and the old directio code
doesn't do that either.
- iomap embraced the use of returning ENOTBLK from a direct write to
trigger falling back to a buffered write since ext4 already did
this and btrfs wants it for their port.
- iomap falls back to buffered writes if we're doing a direct write
and the page cache invalidation after the flush fails; this was
necessary to handle a corner case in the btrfs port.
- Remove email virus scanner detritus that was accidentally included
in yesterday's pull request. Clearly I need(ed) to update my git
branch checker scripts. :("
* tag 'iomap-5.9-merge-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: fall back to buffered writes for invalidation failures
xfs: use ENOTBLK for direct I/O to buffered I/O fallback
iomap: Only invalidate page cache pages on direct IO writes
iomap: Make sure iomap_end is called after iomap_begin
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Merge tag 'fsnotify_for_v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:
- fanotify fix for softlockups when there are many queued events
- performance improvement to reduce fsnotify overhead when not used
- Amir's implementation of fanotify events with names. With these you
can now efficiently monitor whole filesystem, eg to mirror changes to
another machine.
* tag 'fsnotify_for_v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: (37 commits)
fanotify: compare fsid when merging name event
fsnotify: create method handle_inode_event() in fsnotify_operations
fanotify: report parent fid + child fid
fanotify: report parent fid + name + child fid
fanotify: add support for FAN_REPORT_NAME
fanotify: report events with parent dir fid to sb/mount/non-dir marks
fanotify: add basic support for FAN_REPORT_DIR_FID
fsnotify: remove check that source dentry is positive
fsnotify: send event with parent/name info to sb/mount/non-dir marks
audit: do not set FS_EVENT_ON_CHILD in audit marks mask
inotify: do not set FS_EVENT_ON_CHILD in non-dir mark mask
fsnotify: pass dir and inode arguments to fsnotify()
fsnotify: create helper fsnotify_inode()
fsnotify: send event to parent and child with single callback
inotify: report both events on parent and child with single callback
dnotify: report both events on parent and child with single callback
fanotify: no external fh buffer in fanotify_name_event
fanotify: use struct fanotify_info to parcel the variable size buffer
fsnotify: add object type "child" to object type iterator
fanotify: use FAN_EVENT_ON_CHILD as implicit flag on sb/mount/non-dir marks
...
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Merge tag 'for_v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2, udf, reiserfs, quota cleanups and minor fixes from Jan Kara:
"A few ext2 fixups and then several (mostly comment and documentation)
cleanups in ext2, udf, reiserfs, and quota"
* tag 'for_v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
reiserfs: delete duplicated words
udf: osta_udf.h: delete a duplicated word
reiserfs: reiserfs.h: delete a duplicated word
ext2: ext2.h: fix duplicated word + typos
udf: Replace HTTP links with HTTPS ones
quota: Fixup http links in quota doc
Replace HTTP links with HTTPS ones: DISKQUOTA
ext2: initialize quota info in ext2_xattr_set()
ext2: fix some incorrect comments in inode.c
ext2: remove nocheck option
ext2: fix missing percpu_counter_inc
ext2: ext2_find_entry() return -ENOENT if no entry found
ext2: propagate errors up to ext2_find_entry()'s callers
ext2: fix improper assignment for e_value_offs
- use HTTPS links instead of insecure HTTP ones;
- fix crossing page boundary on specific extended inodes;
- remove useless WQ_CPU_INTENSIVE flag for unbound wq;
- minor cleanup.
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Merge tag 'erofs-for-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"This cycle mainly addresses an issue out of some extended inode with
designated location, which are not generated by current mkfs but need
to handled at runtime anyway. The others are quite trivial ones.
- use HTTPS links instead of insecure HTTP ones;
- fix crossing page boundary on specific extended inodes;
- remove useless WQ_CPU_INTENSIVE flag for unbound wq;
- minor cleanup"
* tag 'erofs-for-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: remove WQ_CPU_INTENSIVE flag from unbound wq's
erofs: fold in used-once helper erofs_workgroup_unfreeze_final()
erofs: fix extended inode could cross boundary
erofs: Replace HTTP links with HTTPS ones
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Merge tag '5.9-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs updates from Steve French:
"16 cifs/smb3 fixes, about half DFS related, two fixes for stable.
Still working on and testing an additional set of fixes (including
updates to mount, and some fallocate scenario improvements) for later
in the merge window"
* tag '5.9-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6:
cifs: document and cleanup dfs mount
cifs: only update prefix path of DFS links in cifs_tree_connect()
cifs: fix double free error on share and prefix
cifs: handle RESP_GET_DFS_REFERRAL.PathConsumed in reconnect
cifs: handle empty list of targets in cifs_reconnect()
cifs: rename reconn_inval_dfs_target()
cifs: reduce number of referral requests in DFS link lookups
cifs: merge __{cifs,smb2}_reconnect[_tcon]() into cifs_tree_connect()
cifs: convert to use be32_add_cpu()
cifs: delete duplicated words in header files
cifs: Remove the superfluous break
cifs: smb1: Try failing back to SetFileInfo if SetPathInfo fails
cifs`: handle ERRBaduid for SMB1
cifs: remove unused variable 'server'
smb3: warn on confusing error scenario with sec=krb5
cifs: Fix leak when handling lease break for cached root fid
drivers cleanup (Andrzej Pietrasiewicz)
- Add generic netlink support for userspace notifications: events, temperature
and discovery commands (Daniel Lezcano)
- Fix redundant initialization for a ret variable (Colin Ian King)
- Remove the clock cooling code as it is used nowhere (Amit Kucheria)
- Add the rcar_gen3_thermal's r8a774e1 support (Marian-Cristian Rotariu)
- Replace all references to thermal.txt in the documentation to the
corresponding yaml files (Amit Kucheria)
- Add maintainer entry for the IPA (Lukasz Luba)
- Add support for MSM8939 for the tsens (Shawn Guo)
- Update power allocator and devfreq cooling to SPDX licensing (Lukasz Luba)
- Add Cannon Lake Low Power PCH support (Sumeet Pawnikar)
- Add tsensor support for V2 mediatek thermal system (Henry Yen)
- Fix thermal zone lookup by ID for the core code (Thierry Reding)
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Merge tag 'thermal-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Add support to enable/disable the thermal zones resulting on core
code and drivers cleanup (Andrzej Pietrasiewicz)
- Add generic netlink support for userspace notifications: events,
temperature and discovery commands (Daniel Lezcano)
- Fix redundant initialization for a ret variable (Colin Ian King)
- Remove the clock cooling code as it is used nowhere (Amit Kucheria)
- Add the rcar_gen3_thermal's r8a774e1 support (Marian-Cristian
Rotariu)
- Replace all references to thermal.txt in the documentation to the
corresponding yaml files (Amit Kucheria)
- Add maintainer entry for the IPA (Lukasz Luba)
- Add support for MSM8939 for the tsens (Shawn Guo)
- Update power allocator and devfreq cooling to SPDX licensing (Lukasz
Luba)
- Add Cannon Lake Low Power PCH support (Sumeet Pawnikar)
- Add tsensor support for V2 mediatek thermal system (Henry Yen)
- Fix thermal zone lookup by ID for the core code (Thierry Reding)
* tag 'thermal-v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (40 commits)
thermal: intel: intel_pch_thermal: Add Cannon Lake Low Power PCH support
thermal: mediatek: Add tsensor support for V2 thermal system
thermal: mediatek: Prepare to add support for other platforms
thermal: Update power allocator and devfreq cooling to SPDX licensing
MAINTAINERS: update entry to thermal governors file name prefixing
thermal: core: Add thermal zone enable/disable notification
thermal: qcom: tsens-v0_1: Add support for MSM8939
dt-bindings: tsens: qcom: Document MSM8939 compatible
thermal: core: Fix thermal zone lookup by ID
thermal: int340x: processor_thermal: fix: update Jasper Lake PCI id
thermal: imx8mm: Support module autoloading
thermal: ti-soc-thermal: Fix reversed condition in ti_thermal_expose_sensor()
MAINTAINERS: Add maintenance information for IPA
thermal: rcar_gen3_thermal: Do not shadow thcode variable
dt-bindings: thermal: Get rid of thermal.txt and replace references
thermal: core: Move initialization after core initcall
thermal: netlink: Improve the initcall ordering
net: genetlink: Move initialization to core_initcall
thermal: rcar_gen3_thermal: Add r8a774e1 support
thermal/drivers/clock_cooling: Remove clock_cooling code
...
This series consists of the usual driver updates (ufs, qla2xxx, tcmu,
lpfc, hpsa, zfcp, scsi_debug) and minor bug fixes. We also have a
huge docbook fix update like most other subsystems and no major update
to the core (the few non trivial updates are either minor fixes or
removing an unused feature [scsi_sdb_cache]).
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This consists of the usual driver updates (ufs, qla2xxx, tcmu, lpfc,
hpsa, zfcp, scsi_debug) and minor bug fixes.
We also have a huge docbook fix update like most other subsystems and
no major update to the core (the few non trivial updates are either
minor fixes or removing an unused feature [scsi_sdb_cache])"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (307 commits)
scsi: scsi_transport_srp: Sanitize scsi_target_block/unblock sequences
scsi: ufs-mediatek: Apply DELAY_AFTER_LPM quirk to Micron devices
scsi: ufs: Introduce device quirk "DELAY_AFTER_LPM"
scsi: virtio-scsi: Correctly handle the case where all LUNs are unplugged
scsi: scsi_debug: Implement tur_ms_to_ready parameter
scsi: scsi_debug: Fix request sense
scsi: lpfc: Fix typo in comment for ULP
scsi: ufs-mediatek: Prevent LPM operation on undeclared VCC
scsi: iscsi: Do not put host in iscsi_set_flashnode_param()
scsi: hpsa: Correct ctrl queue depth
scsi: target: tcmu: Make TMR notification optional
scsi: target: tcmu: Implement tmr_notify callback
scsi: target: tcmu: Fix and simplify timeout handling
scsi: target: tcmu: Factor out new helper ring_insert_padding
scsi: target: tcmu: Do not queue aborted commands
scsi: target: tcmu: Use priv pointer in se_cmd
scsi: target: Add tmr_notify backend function
scsi: target: Modify core_tmr_abort_task()
scsi: target: iscsi: Fix inconsistent debug message
scsi: target: iscsi: Fix login error when receiving
...
Smaller set of RDMA updates. A smaller number of 'big topics' with the
majority of changes being driver updates.
- Driver updates for hfi1, rxe, mlx5, hns, qedr, usnic, bnxt_re
- Removal of dead or redundant code across the drivers
- RAW resource tracker dumps to include a device specific data blob for
device objects to aide device debugging
- Further advance the IOCTL interface, remove the ability to turn it off.
Add QUERY_CONTEXT, QUERY_MR, and QUERY_PD commands
- Remove stubs related to devices with no pkey table
- A shared CQ scheme to allow multiple ULPs to share the CQ rings of a
device to give higher performance
- Several more static checker, syzkaller and rare crashers fixed
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"A quiet cycle after the larger 5.8 effort. Substantially cleanup and
driver work with a few smaller features this time.
- Driver updates for hfi1, rxe, mlx5, hns, qedr, usnic, bnxt_re
- Removal of dead or redundant code across the drivers
- RAW resource tracker dumps to include a device specific data blob
for device objects to aide device debugging
- Further advance the IOCTL interface, remove the ability to turn it
off. Add QUERY_CONTEXT, QUERY_MR, and QUERY_PD commands
- Remove stubs related to devices with no pkey table
- A shared CQ scheme to allow multiple ULPs to share the CQ rings of
a device to give higher performance
- Several more static checker, syzkaller and rare crashers fixed"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (121 commits)
RDMA/mlx5: Fix flow destination setting for RDMA TX flow table
RDMA/rxe: Remove pkey table
RDMA/umem: Add a schedule point in ib_umem_get()
RDMA/hns: Fix the unneeded process when getting a general type of CQE error
RDMA/hns: Fix error during modify qp RTS2RTS
RDMA/hns: Delete unnecessary memset when allocating VF resource
RDMA/hns: Remove redundant parameters in set_rc_wqe()
RDMA/hns: Remove support for HIP08_A
RDMA/hns: Refactor hns_roce_v2_set_hem()
RDMA/hns: Remove redundant hardware opcode definitions
RDMA/netlink: Remove CAP_NET_RAW check when dump a raw QP
RDMA/include: Replace license text with SPDX tags
RDMA/rtrs: remove WQ_MEM_RECLAIM for rtrs_wq
RDMA/rtrs-clt: add an additional random 8 seconds before reconnecting
RDMA/cma: Execute rdma_cm destruction from a handler properly
RDMA/cma: Remove unneeded locking for req paths
RDMA/cma: Using the standard locking pattern when delivering the removal event
RDMA/cma: Simplify DEVICE_REMOVAL for internal_id
RDMA/efa: Add EFA 0xefa1 PCI ID
RDMA/efa: User/kernel compatibility handshake mechanism
...
Here is the large set of TTY and Serial driver patches for 5.9-rc1.
Lots of bugfixes in here, thanks to syzbot fuzzing for serial and vt and
console code.
Other highlights include:
- much needed vt/vc code cleanup from Jiri Slaby
- 8250 driver fixes and additions
- various serial driver updates and feature enhancements
- locking cleanup for serial/console initializations
- other minor cleanups
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the large set of TTY and Serial driver patches for 5.9-rc1.
Lots of bugfixes in here, thanks to syzbot fuzzing for serial and vt
and console code.
Other highlights include:
- much needed vt/vc code cleanup from Jiri Slaby
- 8250 driver fixes and additions
- various serial driver updates and feature enhancements
- locking cleanup for serial/console initializations
- other minor cleanups
All of these have been in linux-next with no reported issues"
* tag 'tty-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (90 commits)
MAINTAINERS: enlist Greg formally for console stuff
vgacon: Fix for missing check in scrollback handling
Revert "serial: 8250: Let serial core initialise spin lock"
serial: 8250: Let serial core initialise spin lock
tty: keyboard, do not speculate on func_table index
serial: stm32: Add RS485 RTS GPIO control
serial: 8250_dw: Fix common clocks usage race condition
serial: 8250_dw: Pass the same rate to the clk round and set rate methods
serial: 8250_dw: Simplify the ref clock rate setting procedure
serial: 8250: Add 8250 port clock update method
tty: serial: imx: add imx earlycon driver
tty: serial: imx: enable imx serial console port as module
tty/synclink: remove leftover bits of non-PCI card support
tty: Use the preferred form for passing the size of a structure type
tty: Fix identation issues in struct serial_struct32
tty: Avoid the use of one-element arrays
serial: msm_serial: add sparse context annotation
serial: pmac_zilog: add sparse context annotation
newport_con: vc_color is now in state
serial: imx: use hrtimers for rs485 delays
...
Here is the large set of Staging and IIO driver patches for 5.9-rc1.
Lots of churn here, but overall the size increase in lines added is
small, while adding a load of new IIO drivers.
Major things in here:
- lots and lots of IIO new drivers and frameworks added
- IIO driver fixes and updates
- lots of tiny coding style cleanups for staging drivers
- vc04_services major reworks and cleanups
We had 3 set of drivers move out of staging in this round as well:
- wilc1000 wireless driver moved out of staging
- speakup moved out of staging
- most USB driver moved out of staging
Full details are in the shortlog.
All of these have been in linux-next with no reported issues. The last
few changes here were to resolve reported linux-next issues, and they
seem to have resolved the problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO driver updates from Greg KH:
"Here is the large set of Staging and IIO driver patches for 5.9-rc1.
Lots of churn here, but overall the size increase in lines added is
small, while adding a load of new IIO drivers.
Major things in here:
- lots and lots of IIO new drivers and frameworks added
- IIO driver fixes and updates
- lots of tiny coding style cleanups for staging drivers
- vc04_services major reworks and cleanups
We had 3 set of drivers move out of staging in this round as well:
- wilc1000 wireless driver moved out of staging
- speakup moved out of staging
- most USB driver moved out of staging
Full details are in the shortlog.
All of these have been in linux-next with no reported issues. The last
few changes here were to resolve reported linux-next issues, and they
seem to have resolved the problems"
* tag 'staging-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (428 commits)
staging: most: fix up movement of USB driver
staging: rts5208: clear alignment style issues
staging: r8188eu: replace rtw_netdev_priv define with inline function
staging: netlogic: clear alignment style issues
staging: android: ashmem: Fix lockdep warning for write operation
drivers: most: add USB adapter driver
staging: most: Use %pM format specifier for MAC addresses
staging: ks7010: Use %pM format specifier for MAC addresses
staging: qlge: qlge_dbg: removed comment repition
staging: wfx: Use flex_array_size() helper in memcpy()
staging: rtl8723bs: Align macro definitions
staging: rtl8723bs: Clean up function declations
staging: rtl8723bs: Fix coding style errors
drivers: staging: audio: Fix the missing header file for helper file
staging: greybus: audio: Enable GB codec, audio module compilation.
staging: greybus: audio: Add helper APIs for dynamic audio modules
staging: greybus: audio: Resolve compilation error in topology parser
staging: greybus: audio: Resolve compilation errors for GB codec module
staging: greybus: audio: Maintain jack list within GB Audio module
staging: greybus: audio: Update snd_jack FW usage as per new APIs
...
This became wide and scattered updates all over the sound tree as
diffstat shows: lots of (still ongoing) refactoring works in ASoC,
fixes and cleanups caught by static analysis, inclusive term
conversions as well as lots of new drivers. Below are highlights:
ASoC core:
* API cleanups and conversions to the unified mute_stream() call
* Simplify I/O helper functions
* Use helper macros to retrieve RTD from substreams
ASoC drivers:
* Lots of fixes and cleanups in Intel ASoC drivers
* Lots of new stuff: Freescale MQS and i.MX6sx, Intel KeemBay I2S,
Maxim MAX98360A and MAX98373 SoundWire, various Mediatek boards,
nVidia Tegra 186 and 210, RealTek RL6231, Samsung Midas and Aries
boards, TI J721e EVM
ALSA core:
* Minor code refacotring for SG-buffer handling
HD-audio:
* Generalization of mute-LED handling with LED classdev
* Intel silent stream support for HDMI
* Device-specific fixes: CA0132, Loongson-3
Others:
* Usual USB- and HD-audio quirks for various devices
* Fixes for echoaudio DMA position handling
* Various documents and trivial fixes for sparse warnings
* Conversion to adapt inclusive terms
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Merge tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This became wide and scattered updates all over the sound tree as
diffstat shows: lots of (still ongoing) refactoring works in ASoC,
fixes and cleanups caught by static analysis, inclusive term
conversions as well as lots of new drivers. Below are highlights:
ASoC core:
- API cleanups and conversions to the unified mute_stream() call
- Simplify I/O helper functions
- Use helper macros to retrieve RTD from substreams
ASoC drivers:
- Lots of fixes and cleanups in Intel ASoC drivers
- Lots of new stuff: Freescale MQS and i.MX6sx, Intel KeemBay I2S,
Maxim MAX98360A and MAX98373 SoundWire, various Mediatek boards,
nVidia Tegra 186 and 210, RealTek RL6231, Samsung Midas and Aries
boards, TI J721e EVM
ALSA core:
- Minor code refacotring for SG-buffer handling
HD-audio:
- Generalization of mute-LED handling with LED classdev
- Intel silent stream support for HDMI
- Device-specific fixes: CA0132, Loongson-3
Others:
- Usual USB- and HD-audio quirks for various devices
- Fixes for echoaudio DMA position handling
- Various documents and trivial fixes for sparse warnings
- Conversion to adopt inclusive terms"
* tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (479 commits)
ALSA: pci: delete repeated words in comments
ALSA: isa: delete repeated words in comments
ALSA: hda/tegra: Add 100us dma stop delay
ALSA: hda: Add dma stop delay variable
ASoC: hda/tegra: Set buffer alignment to 128 bytes
ALSA: seq: oss: Serialize ioctls
ALSA: hda/hdmi: Add quirk to force connectivity
ALSA: usb-audio: add startech usb audio dock name
ALSA: usb-audio: Add support for Lenovo ThinkStation P620
Revert "ALSA: hda: call runtime_allow() for all hda controllers"
ALSA: hda/ca0132 - Fix AE-5 microphone selection commands.
ALSA: hda/ca0132 - Add new quirk ID for Recon3D.
ALSA: hda/ca0132 - Fix ZxR Headphone gain control get value.
ALSA: hda/realtek: Add alc269/alc662 pin-tables for Loongson-3 laptops
ALSA: docs: fix typo
ALSA: doc: use correct config variable name
ASoC: core: Two step component registration
ASoC: core: Simplify snd_soc_component_initialize declaration
ASoC: core: Relocate and expose snd_soc_component_initialize
ASoC: sh: Replace 'select' DMADEVICES 'with depends on'
...
x86:
* Report last CPU for debugging
* Emulate smaller MAXPHYADDR in the guest than in the host
* .noinstr and tracing fixes from Thomas
* nested SVM page table switching optimization and fixes
Generic:
* Unify shadow MMU cache data structures across architectures
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Paolo Bonzini:
"s390:
- implement diag318
x86:
- Report last CPU for debugging
- Emulate smaller MAXPHYADDR in the guest than in the host
- .noinstr and tracing fixes from Thomas
- nested SVM page table switching optimization and fixes
Generic:
- Unify shadow MMU cache data structures across architectures"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (127 commits)
KVM: SVM: Fix sev_pin_memory() error handling
KVM: LAPIC: Set the TDCR settable bits
KVM: x86: Specify max TDP level via kvm_configure_mmu()
KVM: x86/mmu: Rename max_page_level to max_huge_page_level
KVM: x86: Dynamically calculate TDP level from max level and MAXPHYADDR
KVM: VXM: Remove temporary WARN on expected vs. actual EPTP level mismatch
KVM: x86: Pull the PGD's level from the MMU instead of recalculating it
KVM: VMX: Make vmx_load_mmu_pgd() static
KVM: x86/mmu: Add separate helper for shadow NPT root page role calc
KVM: VMX: Drop a duplicate declaration of construct_eptp()
KVM: nSVM: Correctly set the shadow NPT root level in its MMU role
KVM: Using macros instead of magic values
MIPS: KVM: Fix build error caused by 'kvm_run' cleanup
KVM: nSVM: remove nonsensical EXITINFO1 adjustment on nested NPF
KVM: x86: Add a capability for GUEST_MAXPHYADDR < HOST_MAXPHYADDR support
KVM: VMX: optimize #PF injection when MAXPHYADDR does not match
KVM: VMX: Add guest physical address check in EPT violation and misconfig
KVM: VMX: introduce vmx_need_pf_intercept
KVM: x86: update exception bitmap on CPUID changes
KVM: x86: rename update_bp_intercept to update_exception_bitmap
...
This reverts commit 8bb9bf242d1fee925636353807c511d54fde8986.
It seems the vmalloc page tables aren't always preallocated in all
situations, because Jason Donenfeld reports an oops with this commit:
BUG: unable to handle page fault for address: ffffe8ffffd00608
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: 0000 [#1] PREEMPT SMP
CPU: 2 PID: 22 Comm: kworker/2:0 Not tainted 5.8.0+ #154
RIP: process_one_work+0x2c/0x2d0
Code: 41 56 41 55 41 54 55 48 89 f5 53 48 89 fb 48 83 ec 08 48 8b 06 4c 8b 67 40 49 89 c6 45 30 f6 a8 04 b8 00 00 00 00 4c 0f 44 f0 <49> 8b 46 08 44 8b a8 00 01 05
Call Trace:
worker_thread+0x4b/0x3b0
? rescuer_thread+0x360/0x360
kthread+0x116/0x140
? __kthread_create_worker+0x110/0x110
ret_from_fork+0x1f/0x30
CR2: ffffe8ffffd00608
and that page fault address is right in that vmalloc space, and we
clearly don't have a PGD/P4D entry for it.
Looking at the "Code:" line, the actual fault seems to come from the
'pwq->wq' dereference at the top of the process_one_work() function:
struct pool_workqueue *pwq = get_work_pwq(work);
struct worker_pool *pool = worker->pool;
bool cpu_intensive = pwq->wq->flags & WQ_CPU_INTENSIVE;
so 'struct pool_workqueue *pwq' is the allocation that hasn't been
synchronized across CPUs.
Just revert for now, while Joerg figures out the cause.
Reported-and-bisected-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
static priority level knowledge from non-scheduler code.
The three APIs for non-scheduler code to set SCHED_FIFO are:
- sched_set_fifo()
- sched_set_fifo_low()
- sched_set_normal()
These are two FIFO priority levels: default (high), and a 'low' priority level,
plus sched_set_normal() to set the policy back to non-SCHED_FIFO.
Since the changes affect a lot of non-scheduler code, we kept this in a separate
tree.
When merging to the latest upstream tree there's a conflict in drivers/spi/spi.c,
which can be resolved via:
sched_set_fifo(ctlr->kworker_task);
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-fifo-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull sched/fifo updates from Ingo Molnar:
"This adds the sched_set_fifo*() encapsulation APIs to remove static
priority level knowledge from non-scheduler code.
The three APIs for non-scheduler code to set SCHED_FIFO are:
- sched_set_fifo()
- sched_set_fifo_low()
- sched_set_normal()
These are two FIFO priority levels: default (high), and a 'low'
priority level, plus sched_set_normal() to set the policy back to
non-SCHED_FIFO.
Since the changes affect a lot of non-scheduler code, we kept this in
a separate tree"
* tag 'sched-fifo-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
sched,tracing: Convert to sched_set_fifo()
sched: Remove sched_set_*() return value
sched: Remove sched_setscheduler*() EXPORTs
sched,psi: Convert to sched_set_fifo_low()
sched,rcutorture: Convert to sched_set_fifo_low()
sched,rcuperf: Convert to sched_set_fifo_low()
sched,locktorture: Convert to sched_set_fifo()
sched,irq: Convert to sched_set_fifo()
sched,watchdog: Convert to sched_set_fifo()
sched,serial: Convert to sched_set_fifo()
sched,powerclamp: Convert to sched_set_fifo()
sched,ion: Convert to sched_set_normal()
sched,powercap: Convert to sched_set_fifo*()
sched,spi: Convert to sched_set_fifo*()
sched,mmc: Convert to sched_set_fifo*()
sched,ivtv: Convert to sched_set_fifo*()
sched,drm/scheduler: Convert to sched_set_fifo*()
sched,msm: Convert to sched_set_fifo*()
sched,psci: Convert to sched_set_fifo*()
sched,drbd: Convert to sched_set_fifo*()
...
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Merge tag 'integrity-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity updates from Mimi Zohar:
"The nicest change is the IMA policy rule checking. The other changes
include allowing the kexec boot cmdline line measure policy rules to
be defined in terms of the inode associated with the kexec kernel
image, making the IMA_APPRAISE_BOOTPARAM, which governs the IMA
appraise mode (log, fix, enforce), a runtime decision based on the
secure boot mode of the system, and including errno in the audit log"
* tag 'integrity-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
integrity: remove redundant initialization of variable ret
ima: move APPRAISE_BOOTPARAM dependency on ARCH_POLICY to runtime
ima: AppArmor satisfies the audit rule requirements
ima: Rename internal filter rule functions
ima: Support additional conditionals in the KEXEC_CMDLINE hook function
ima: Use the common function to detect LSM conditionals in a rule
ima: Move comprehensive rule validation checks out of the token parser
ima: Use correct type for the args_p member of ima_rule_entry.lsm elements
ima: Shallow copy the args_p member of ima_rule_entry.lsm elements
ima: Fail rule parsing when appraise_flag=blacklist is unsupportable
ima: Fail rule parsing when the KEY_CHECK hook is combined with an invalid cond
ima: Fail rule parsing when the KEXEC_CMDLINE hook is combined with an invalid cond
ima: Fail rule parsing when buffer hook functions have an invalid action
ima: Free the entire rule if it fails to parse
ima: Free the entire rule when deleting a list of rules
ima: Have the LSM free its audit rule
IMA: Add audit log for failure conditions
integrity: Add errno field in audit message
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Merge tag 'livepatching-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
Pull livepatching updates from Petr Mladek:
"Improvements and cleanups of livepatching selftests"
* tag 'livepatching-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
selftests/livepatch: adopt to newer sysctl error format
selftests/livepatch: Use "comm" instead of "diff" for dmesg
selftests/livepatch: add test delimiter to dmesg
selftests/livepatch: refine dmesg 'taints' in dmesg comparison
selftests/livepatch: Don't clear dmesg when running tests
selftests/livepatch: fix mem leaks in test-klp-shadow-vars
selftests/livepatch: more verification in test-klp-shadow-vars
selftests/livepatch: rework test-klp-shadow-vars
selftests/livepatch: simplify test-klp-callbacks busy target tests
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Merge tag 'Smack-for-5.9' of git://github.com/cschaufler/smack-next
Pull smack updates from Casey Schaufler:
"Minor fixes to Smack for the v5.9 release.
All were found by automated checkers and have straightforward
resolution"
* tag 'Smack-for-5.9' of git://github.com/cschaufler/smack-next:
Smack: prevent underflow in smk_set_cipso()
Smack: fix another vsscanf out of bounds
Smack: fix use-after-free in smk_write_relabel_self()
- improvements for Loongson64
- extended ingenic support
- removal of not maintained paravirt system type
- cleanups and fixes
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Merge tag 'mips_5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS upates from Thomas Bogendoerfer:
- improvements for Loongson64
- extended ingenic support
- removal of not maintained paravirt system type
- cleanups and fixes
* tag 'mips_5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (81 commits)
MIPS: SGI-IP27: always enable NUMA in Kconfig
MAINTAINERS: Update KVM/MIPS maintainers
MIPS: Update default config file for Loongson-3
MIPS: KVM: Add kvm guest support for Loongson-3
dt-bindings: mips: Document Loongson kvm guest board
MIPS: handle Loongson-specific GSExc exception
MIPS: add definitions for Loongson-specific CP0.Diag1 register
MIPS: only register FTLBPar exception handler for supported models
MIPS: ingenic: Hardcode mem size for qi,lb60 board
MIPS: DTS: ingenic/qi,lb60: Add model and memory node
MIPS: ingenic: Use fw_passed_dtb even if CONFIG_BUILTIN_DTB
MIPS: head.S: Init fw_passed_dtb to builtin DTB
of: address: Fix parser address/size cells initialization
of_address: Guard of_bus_pci_get_flags with CONFIG_PCI
MIPS: DTS: Fix number of msi vectors for Loongson64G
MIPS: Loongson64: Add ISA node for LS7A PCH
MIPS: Loongson64: DTS: Fix ISA and PCI I/O ranges for RS780E PCH
MIPS: Loongson64: Enlarge IO_SPACE_LIMIT
MIPS: Loongson64: Process ISA Node in DeviceTree
of_address: Add bus type match for pci ranges parser
...
- add arch/arm/Kbuild from Masahiro Yamada.
- simplify act_mm macro, since it contains an open-coded
get_thread_info.
- VFP updates for Clang from Stefan Agner.
- Fix unwinder for Clang from Nathan Huckleberry.
- Remove unused it8152 PCI host controller, used by the removed cm-x2xx
platforms from Mike Rapoport.
- Further explanation of __range_ok().
- Remove kimage_voffset that isn't used anymore from Marc Zyngier.
- Drop ancient Thumb-2 workaround for old binutils from Ard Biesheuvel.
- Documentation cleanup for mach-* from Pete Zaitcev.
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
- add arch/arm/Kbuild from Masahiro Yamada.
- simplify act_mm macro, since it contains an open-coded
get_thread_info.
- VFP updates for Clang from Stefan Agner.
- Fix unwinder for Clang from Nathan Huckleberry.
- Remove unused it8152 PCI host controller, used by the removed cm-x2xx
platforms from Mike Rapoport.
- Further explanation of __range_ok().
- Remove kimage_voffset that isn't used anymore from Marc Zyngier.
- Drop ancient Thumb-2 workaround for old binutils from Ard Biesheuvel.
- Documentation cleanup for mach-* from Pete Zaitcev.
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8996/1: Documentation/Clean up the description of mach-<class>
ARM: 8995/1: drop Thumb-2 workaround for ancient binutils
ARM: 8994/1: mm: drop kimage_voffset which was only used by KVM
ARM: uaccess: add further explanation of __range_ok()
ARM: 8993/1: remove it8152 PCI controller driver
ARM: 8992/1: Fix unwind_frame for clang-built kernels
ARM: 8991/1: use VFP assembler mnemonics if available
ARM: 8990/1: use VFP assembler mnemonics in register load/store macros
ARM: 8989/1: use .fpu assembler directives instead of assembler arguments
ARM: 8982/1: mm: Simplify act_mm macro
ARM: 8981/1: add arch/arm/Kbuild
- add syscall audit support
- add seccomp filter support
- clean up make rules under arch/xtensa/boot
- fix state management for exclusive access opcodes
- fix build with PMU enabled
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Merge tag 'xtensa-20200805' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa updates from Max Filippov:
- add syscall audit support
- add seccomp filter support
- clean up make rules under arch/xtensa/boot
- fix state management for exclusive access opcodes
- fix build with PMU enabled
* tag 'xtensa-20200805' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: add missing exclusive access state management
xtensa: fix xtensa_pmu_setup prototype
xtensa: add boot subdirectories build artifacts to 'targets'
xtensa: add uImage and xipImage to targets
xtensa: move vmlinux.bin[.gz] to boot subdirectory
xtensa: initialize_mmu.h: fix a duplicated word
selftests/seccomp: add xtensa support
xtensa: add seccomp support
xtensa: expose syscall through user_pt_regs
xtensa: add audit support
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Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv updates from Wei Liu:
- A patch series from Andrea to improve vmbus code
- Two clean-up patches from Alexander and Randy
* tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
hyperv: hyperv.h: drop a duplicated word
tools: hv: change http to https in hv_kvp_daemon.c
Drivers: hv: vmbus: Remove the lock field from the vmbus_channel struct
scsi: storvsc: Introduce the per-storvsc_device spinlock
Drivers: hv: vmbus: Remove unnecessary channel->lock critical sections (sc_list updaters)
Drivers: hv: vmbus: Use channel_mutex in channel_vp_mapping_show()
Drivers: hv: vmbus: Remove unnecessary channel->lock critical sections (sc_list readers)
Drivers: hv: vmbus: Replace cpumask_test_cpu(, cpu_online_mask) with cpu_online()
Drivers: hv: vmbus: Remove the numa_node field from the vmbus_channel struct
Drivers: hv: vmbus: Remove the target_vp field from the vmbus_channel struct
During my code inspection I saw there is no implementation of a graceful
shutdown for tcp. This patch will introduce a graceful shutdown for tcp
connections. The shutdown is implemented synchronized as
dlm_lowcomms_stop() is called to end all dlm communication. After shutdown
is done, a lot of flush and closing functionality will be called. However
I don't see a problem with that.
The waitqueue for synchronize the shutdown has a timeout of 10 seconds, if
timeout a force close will be exectued.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
This patch changes the handling of reconnects. At first we only close
the connection related to the communication failure. If we get a new
connection for an already existing connection we close the existing
connection and take the new one.
This patch improves significantly the stability of tcp connections while
running "tcpkill -9 -i $IFACE port 21064" while generating a lot of dlm
messages e.g. on a gfs2 mount with many files. My test setup shows that a
deadlock is "more" unlikely. Before this patch I wasn't able to get
not a deadlock after 5 seconds. After this patch my observation is
that it's more likely to survive after 5 seconds and more, but still a
deadlock occurs after certain time. My guess is that there are still
"segments" inside the tcp writequeue or retransmit queue which get dropped
when receiving a tcp reset [1]. Hard to reproduce because the right message
need to be inside these queues, which might even be in the 5 first seconds
with this patch.
[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/net/ipv4/tcp_input.c?h=v5.8-rc6#n4122
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Nikolay Borisov
Jialu Xu
Gaurav Singh
Alexander A. Klimov
Ilias Stamatis
Peter Zijlstra
David Hildenbrand
Ralph Campbell
Linus Torvalds
Kees Cook
Rafael J. Wysocki
Joerg Roedel
Guenter Roeck
Richard Weinberger
Vinod Koul
Alexander Aring