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Mike Kravetz reports that "hugetlb allocations could stall for minutes or
hours when should_compact_retry() would return true more often then it
should. Specifically, this was in the case where compact_result was
COMPACT_DEFERRED and COMPACT_PARTIAL_SKIPPED and no progress was being
made."
The problem is that the compaction_withdrawn() test in
should_compact_retry() includes compaction outcomes that are only possible
on low compaction priority, and results in a retry without increasing the
priority. This may result in furter reclaim, and more incomplete
compaction attempts.
With this patch, compaction priority is raised when possible, or
should_compact_retry() returns false.
The COMPACT_SKIPPED result doesn't really fit together with the other
outcomes in compaction_withdrawn(), as that's a result caused by
insufficient order-0 pages, not due to low compaction priority. With this
patch, it is moved to a new compaction_needs_reclaim() function, and for
that outcome we keep the current logic of retrying if it looks like
reclaim will be able to help.
Link: http://lkml.kernel.org/r/[email protected]
Reported-by: Mike Kravetz <[email protected]>
Signed-off-by: Vlastimil Babka <[email protected]>
Signed-off-by: Mike Kravetz <[email protected]>
Tested-by: Mike Kravetz <[email protected]>
Cc: Hillf Danton <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Objective
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The current implementation of struct vmap_area wasted space.
After applying this commit, sizeof(struct vmap_area) has been
reduced from 11 words to 8 words.
Description
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1) Pack "subtree_max_size", "vm" and "purge_list". This is no problem
because
A) "subtree_max_size" is only used when vmap_area is in "free" tree
B) "vm" is only used when vmap_area is in "busy" tree
C) "purge_list" is only used when vmap_area is in vmap_purge_list
2) Eliminate "flags".
;Since only one flag VM_VM_AREA is being used, and the same thing can be
done by judging whether "vm" is NULL, then the "flags" can be eliminated.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Pengfei Li <[email protected]>
Suggested-by: Uladzislau Rezki (Sony) <[email protected]>
Reviewed-by: Uladzislau Rezki (Sony) <[email protected]>
Cc: Hillf Danton <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Oleksiy Avramchenko <[email protected]>
Cc: Roman Gushchin <[email protected]>
Cc: Steven Rostedt <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Each memory block spans the same amount of sections/pages/bytes. The size
is determined before the first memory block is created. No need to store
what we can easily calculate - and the calculations even look simpler now.
Michal brought up the idea of variable-sized memory blocks. However, if
we ever implement something like this, we will need an API compatibility
switch and reworks at various places (most code assumes a fixed memory
block size). So let's cleanup what we have right now.
While at it, fix the variable naming in register_mem_sect_under_node() -
we no longer talk about a single section.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: David Hildenbrand <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Cc: Pavel Tatashin <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Oscar Salvador <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Let's validate the memory block size early, when initializing the memory
device infrastructure. Fail hard in case the value is not suitable.
As nobody checks the return value of memory_dev_init(), turn it into a
void function and fail with a panic in all scenarios instead. Otherwise,
we'll crash later during boot when core/drivers expect that the memory
device infrastructure (including memory_block_size_bytes()) works as
expected.
I think long term, we should move the whole memory block size
configuration (set_memory_block_size_order() and
memory_block_size_bytes()) into drivers/base/memory.c.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: David Hildenbrand <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Cc: Pavel Tatashin <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Dan Williams <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Patch series "mm: remove quicklist page table caches".
A while ago Nicholas proposed to remove quicklist page table caches [1].
I've rebased his patch on the curren upstream and switched ia64 and sh to
use generic versions of PTE allocation.
[1] https://lore.kernel.org/linux-mm/[email protected]
This patch (of 3):
Remove page table allocator "quicklists". These have been around for a
long time, but have not got much traction in the last decade and are only
used on ia64 and sh architectures.
The numbers in the initial commit look interesting but probably don't
apply anymore. If anybody wants to resurrect this it's in the git
history, but it's unhelpful to have this code and divergent allocator
behaviour for minor archs.
Also it might be better to instead make more general improvements to page
allocator if this is still so slow.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Nicholas Piggin <[email protected]>
Signed-off-by: Mike Rapoport <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Yoshinori Sato <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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[11~From: John Hubbard <[email protected]>
Subject: mm/gup: add make_dirty arg to put_user_pages_dirty_lock()
Patch series "mm/gup: add make_dirty arg to put_user_pages_dirty_lock()",
v3.
There are about 50+ patches in my tree [2], and I'll be sending out the
remaining ones in a few more groups:
* The block/bio related changes (Jerome mostly wrote those, but I've had
to move stuff around extensively, and add a little code)
* mm/ changes
* other subsystem patches
* an RFC that shows the current state of the tracking patch set. That
can only be applied after all call sites are converted, but it's good to
get an early look at it.
This is part a tree-wide conversion, as described in fc1d8e7cca2d ("mm:
introduce put_user_page*(), placeholder versions").
This patch (of 3):
Provide more capable variation of put_user_pages_dirty_lock(), and delete
put_user_pages_dirty(). This is based on the following:
1. Lots of call sites become simpler if a bool is passed into
put_user_page*(), instead of making the call site choose which
put_user_page*() variant to call.
2. Christoph Hellwig's observation that set_page_dirty_lock() is
usually correct, and set_page_dirty() is usually a bug, or at least
questionable, within a put_user_page*() calling chain.
This leads to the following API choices:
* put_user_pages_dirty_lock(page, npages, make_dirty)
* There is no put_user_pages_dirty(). You have to
hand code that, in the rare case that it's
required.
[[email protected]: remove unused variable in siw_free_plist()]
Link: http://lkml.kernel.org/r/[email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: John Hubbard <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Ira Weiny <[email protected]>
Cc: Jason Gunthorpe <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Transparent Huge Pages are currently stored in i_pages as pointers to
consecutive subpages. This patch changes that to storing consecutive
pointers to the head page in preparation for storing huge pages more
efficiently in i_pages.
Large parts of this are "inspired" by Kirill's patch
https://lore.kernel.org/lkml/[email protected]/
Kirill and Huang Ying contributed several fixes.
[[email protected]: use compound_nr, squish uninit-var warning]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Matthew Wilcox <[email protected]>
Acked-by: Jan Kara <[email protected]>
Reviewed-by: Kirill Shutemov <[email protected]>
Reviewed-by: Song Liu <[email protected]>
Tested-by: Song Liu <[email protected]>
Tested-by: William Kucharski <[email protected]>
Reviewed-by: William Kucharski <[email protected]>
Tested-by: Qian Cai <[email protected]>
Tested-by: Mikhail Gavrilov <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Chris Wilson <[email protected]>
Cc: Song Liu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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For debugging purposes it might be useful to keep the owner info even
after page has been freed, and include it in e.g. dump_page() when
detecting a bad page state. For that, change the PAGE_EXT_OWNER flag
meaning to "page owner info has been set at least once" and add new
PAGE_EXT_OWNER_ACTIVE for tracking whether page is supposed to be
currently tracked allocated or free. Adjust dump_page() accordingly,
distinguishing free and allocated pages. In the page_owner debugfs file,
keep printing only allocated pages so that existing scripts are not
confused, and also because free pages are irrelevant for the memory
statistics or leak detection that's the typical use case of the file,
anyway.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Vlastimil Babka <[email protected]>
Cc: Kirill A. Shutemov <[email protected]>
Cc: Matthew Wilcox <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Replace 1 << compound_order(page) with compound_nr(page). Minor
improvements in readability.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Reviewed-by: Ira Weiny <[email protected]>
Acked-by: Kirill A. Shutemov <[email protected]>
Cc: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Replace PAGE_SHIFT + compound_order(page) with the new page_shift()
function. Minor improvements in readability.
[[email protected]: fix build in tce_page_is_contained()]
Link: http://lkml.kernel.org/r/201907241853.yNQTrJWd%[email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Reviewed-by: Ira Weiny <[email protected]>
Acked-by: Kirill A. Shutemov <[email protected]>
Cc: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Patch series "Make working with compound pages easier", v2.
These three patches add three helpers and convert the appropriate
places to use them.
This patch (of 3):
It's unnecessarily hard to find out the size of a potentially huge page.
Replace 'PAGE_SIZE << compound_order(page)' with page_size(page).
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Reviewed-by: Ira Weiny <[email protected]>
Acked-by: Kirill A. Shutemov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The memcg_cache_params structure is only embedded into the kmem_cache of
slab and slub allocators as defined in slab_def.h and slub_def.h and used
internally by mm code. There is no needed to expose it in a public
header. So move it from include/linux/slab.h to mm/slab.h. It is just a
refactoring patch with no code change.
In fact both the slub_def.h and slab_def.h should be moved into the mm
directory as well, but that will probably cause many merge conflicts.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Waiman Long <[email protected]>
Acked-by: David Rientjes <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: Roman Gushchin <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Shakeel Butt <[email protected]>
Cc: Vladimir Davydov <[email protected]>
Cc: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Since ext4/ocfs2 are using jbd2_inode dirty range scoping APIs now,
jbd2_journal_inode_add_[write|wait] are not used any more, remove them.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Joseph Qi <[email protected]>
Reviewed-by: Ross Zwisler <[email protected]>
Acked-by: Changwei Ge <[email protected]>
Cc: Gang He <[email protected]>
Cc: Joel Becker <[email protected]>
Cc: Joseph Qi <[email protected]>
Cc: Jun Piao <[email protected]>
Cc: Junxiao Bi <[email protected]>
Cc: Mark Fasheh <[email protected]>
Cc: "Theodore Ts'o" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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On kernels without CONFIG_MMU, we get a link error for the siw driver:
drivers/infiniband/sw/siw/siw_mem.o: In function `siw_umem_get':
siw_mem.c:(.text+0x4c8): undefined reference to `can_do_mlock'
This is probably not the only driver that needs the function and could
otherwise build correctly without CONFIG_MMU, so add a dummy variant that
always returns false.
Link: http://lkml.kernel.org/r/[email protected]
Fixes: 2251334dcac9 ("rdma/siw: application buffer management")
Signed-off-by: Arnd Bergmann <[email protected]>
Suggested-by: Jason Gunthorpe <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Bernard Metzler <[email protected]>
Cc: "Matthew Wilcox (Oracle)" <[email protected]>
Cc: "Kirill A. Shutemov" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull Hyper-V updates from Sasha Levin:
- first round of vmbus hibernation support (Dexuan Cui)
- remove dependencies on PAGE_SIZE (Maya Nakamura)
- move the hyper-v tools/ code into the tools build system (Andy
Shevchenko)
- hyper-v balloon cleanups (Dexuan Cui)
* tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
Drivers: hv: vmbus: Resume after fixing up old primary channels
Drivers: hv: vmbus: Suspend after cleaning up hv_sock and sub channels
Drivers: hv: vmbus: Clean up hv_sock channels by force upon suspend
Drivers: hv: vmbus: Suspend/resume the vmbus itself for hibernation
Drivers: hv: vmbus: Ignore the offers when resuming from hibernation
Drivers: hv: vmbus: Implement suspend/resume for VSC drivers for hibernation
Drivers: hv: vmbus: Add a helper function is_sub_channel()
Drivers: hv: vmbus: Suspend/resume the synic for hibernation
Drivers: hv: vmbus: Break out synic enable and disable operations
HID: hv: Remove dependencies on PAGE_SIZE for ring buffer
Tools: hv: move to tools buildsystem
hv_balloon: Reorganize the probe function
hv_balloon: Use a static page for the balloon_up send buffer
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With PFN_MODE_PMEM namespace, the memmap area is allocated from the device
area. Some architectures map the memmap area with large page size. On
architectures like ppc64, 16MB page for memap mapping can map 262144 pfns.
This maps a namespace size of 16G.
When populating memmap region with 16MB page from the device area,
make sure the allocated space is not used to map resources outside this
namespace. Such usage of device area will prevent a namespace destroy.
Add resource end pnf in altmap and use that to check if the memmap area
allocation can map pfn outside the namespace. On ppc64 in such case we fallback
to allocation from memory.
This fix kernel crash reported below:
[ 132.034989] WARNING: CPU: 13 PID: 13719 at mm/memremap.c:133 devm_memremap_pages_release+0x2d8/0x2e0
[ 133.464754] BUG: Unable to handle kernel data access at 0xc00c00010b204000
[ 133.464760] Faulting instruction address: 0xc00000000007580c
[ 133.464766] Oops: Kernel access of bad area, sig: 11 [#1]
[ 133.464771] LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries
.....
[ 133.464901] NIP [c00000000007580c] vmemmap_free+0x2ac/0x3d0
[ 133.464906] LR [c0000000000757f8] vmemmap_free+0x298/0x3d0
[ 133.464910] Call Trace:
[ 133.464914] [c000007cbfd0f7b0] [c0000000000757f8] vmemmap_free+0x298/0x3d0 (unreliable)
[ 133.464921] [c000007cbfd0f8d0] [c000000000370a44] section_deactivate+0x1a4/0x240
[ 133.464928] [c000007cbfd0f980] [c000000000386270] __remove_pages+0x3a0/0x590
[ 133.464935] [c000007cbfd0fa50] [c000000000074158] arch_remove_memory+0x88/0x160
[ 133.464942] [c000007cbfd0fae0] [c0000000003be8c0] devm_memremap_pages_release+0x150/0x2e0
[ 133.464949] [c000007cbfd0fb70] [c000000000738ea0] devm_action_release+0x30/0x50
[ 133.464955] [c000007cbfd0fb90] [c00000000073a5a4] release_nodes+0x344/0x400
[ 133.464961] [c000007cbfd0fc40] [c00000000073378c] device_release_driver_internal+0x15c/0x250
[ 133.464968] [c000007cbfd0fc80] [c00000000072fd14] unbind_store+0x104/0x110
[ 133.464973] [c000007cbfd0fcd0] [c00000000072ee24] drv_attr_store+0x44/0x70
[ 133.464981] [c000007cbfd0fcf0] [c0000000004a32bc] sysfs_kf_write+0x6c/0xa0
[ 133.464987] [c000007cbfd0fd10] [c0000000004a1dfc] kernfs_fop_write+0x17c/0x250
[ 133.464993] [c000007cbfd0fd60] [c0000000003c348c] __vfs_write+0x3c/0x70
[ 133.464999] [c000007cbfd0fd80] [c0000000003c75d0] vfs_write+0xd0/0x250
djbw: Aneesh notes that this crash can likely be triggered in any kernel that
supports 'papr_scm', so flagging that commit for -stable consideration.
Fixes: b5beae5e224f ("powerpc/pseries: Add driver for PAPR SCM regions")
Cc: <[email protected]>
Reported-by: Sachin Sant <[email protected]>
Signed-off-by: Aneesh Kumar K.V <[email protected]>
Reviewed-by: Pankaj Gupta <[email protected]>
Tested-by: Santosh Sivaraj <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dan Williams <[email protected]>
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Allow arch to provide the supported alignments and use hugepage alignment only
if we support hugepage. Right now we depend on compile time configs whereas this
patch switch this to runtime discovery.
Architectures like ppc64 can have THP enabled in code, but then can have
hugepage size disabled by the hypervisor. This allows us to create dax devices
with PAGE_SIZE alignment in this case.
Existing dax namespace with alignment larger than PAGE_SIZE will fail to
initialize in this specific case. We still allow fsdax namespace initialization.
With respect to identifying whether to enable hugepage fault for a dax device,
if THP is enabled during compile, we default to taking hugepage fault and in dax
fault handler if we find the fault size > alignment we retry with PAGE_SIZE
fault size.
This also addresses the below failure scenario on ppc64
ndctl create-namespace --mode=devdax | grep align
"align":16777216,
"align":16777216
cat /sys/devices/ndbus0/region0/dax0.0/supported_alignments
65536 16777216
daxio.static-debug -z -o /dev/dax0.0
Bus error (core dumped)
$ dmesg | tail
lpar: Failed hash pte insert with error -4
hash-mmu: mm: Hashing failure ! EA=0x7fff17000000 access=0x8000000000000006 current=daxio
hash-mmu: trap=0x300 vsid=0x22cb7a3 ssize=1 base psize=2 psize 10 pte=0xc000000501002b86
daxio[3860]: bus error (7) at 7fff17000000 nip 7fff973c007c lr 7fff973bff34 code 2 in libpmem.so.1.0.0[7fff973b0000+20000]
daxio[3860]: code: 792945e4 7d494b78 e95f0098 7d494b78 f93f00a0 4800012c e93f0088 f93f0120
daxio[3860]: code: e93f00a0 f93f0128 e93f0120 e95f0128 <f9490000> e93f0088 39290008 f93f0110
The failure was due to guest kernel using wrong page size.
The namespaces created with 16M alignment will appear as below on a config with
16M page size disabled.
$ ndctl list -Ni
[
{
"dev":"namespace0.1",
"mode":"fsdax",
"map":"dev",
"size":5351931904,
"uuid":"fc6e9667-461a-4718-82b4-69b24570bddb",
"align":16777216,
"blockdev":"pmem0.1",
"supported_alignments":[
65536
]
},
{
"dev":"namespace0.0",
"mode":"fsdax", <==== devdax 16M alignment marked disabled.
"map":"mem",
"size":5368709120,
"uuid":"a4bdf81a-f2ee-4bc6-91db-7b87eddd0484",
"state":"disabled"
}
]
Cc: [email protected]
Cc: "Kirill A. Shutemov" <[email protected]>
Signed-off-by: Aneesh Kumar K.V <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dan Williams <[email protected]>
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KVM needs to know if SMT is theoretically possible, this means it is
supported and not forcefully disabled ('nosmt=force'). Create and
export cpu_smt_possible() answering this question.
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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Fix wrong reserved bits offsets.
Fixes: 97b5484ed608 ("net/mlx5: Add HW bits and definitions required for SW steering")
Signed-off-by: Yevgeny Kliteynik <[email protected]>
Reviewed-by: Alex Vesker <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add support for Merrifield Basin Cove PMIC
New Device Support:
- Add support for Intel Tiger Lake to Intel LPSS PCI
- Add support for Intel Sky Lake to Intel LPSS PCI
- Add support for ST-Ericsson DB8520 to DB8500 PRCMU
New Functionality:
- Add RTC and PWRC support to MT6323
Fix-ups:
- Clean-up include files; davinci_voicecodec, asic3, sm501, mt6397
- Ignore return values from debugfs_create*(); ab3100-*, ab8500-debugfs, aat2870-core
- Device Tree changes; rn5t618, mt6397
- Use new I2C API; tps80031, 88pm860x-core, ab3100-core, bcm590xx,
da9150-core, max14577, max77693, max77843, max8907,
max8925-i2c, max8997, max8998, palmas, twl-core,
- Remove obsolete code; da9063, jz4740-adc
- Simplify semantics; timberdale, htc-i2cpld
- Add 'fall-through' tags; omap-usb-host, db8500-prcmu
- Remove superfluous prints; ab8500-debugfs, db8500-prcmu, fsl-imx25-tsadc,
intel_soc_pmic_bxtwc, qcom_rpm, sm501
- Trivial rename/whitespace/typo fixes; mt6397-core, MAINTAINERS
- Reorganise code structure; mt6397-*
- Improve code consistency; intel-lpss
- Use MODULE_SOFTDEP() helper; intel-lpss
- Use DEFINE_RES_*() helpers; mt6397-core
Bug Fixes:
- Clean-up resources; max77620
- Prevent input events being dropped on resume; intel-lpss-pci
- Prevent sleeping in IRQ context; ezx-pcap"
* tag 'mfd-next-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (48 commits)
mfd: mt6323: Add MT6323 RTC and PWRC
mfd: mt6323: Replace boilerplate resource code with DEFINE_RES_* macros
mfd: mt6397: Add mutex include
dt-bindings: mfd: mediatek: Add MT6323 Power Controller
dt-bindings: mfd: mediatek: Update RTC to include MT6323
dt-bindings: mfd: mediatek: mt6397: Change to relative paths
mfd: db8500-prcmu: Support the higher DB8520 ARMSS
mfd: intel-lpss: Use MODULE_SOFTDEP() instead of implicit request
mfd: htc-i2cpld: Drop check because i2c_unregister_device() is NULL safe
mfd: sm501: Include the GPIO driver header
mfd: intel-lpss: Add Intel Skylake ACPI IDs
mfd: intel-lpss: Consistently use GENMASK()
mfd: Add support for Merrifield Basin Cove PMIC
mfd: ezx-pcap: Replace mutex_lock with spin_lock
mfd: asic3: Include the right header
MAINTAINERS: altera-sysmgr: Fix typo in a filepath
mfd: mt6397: Extract IRQ related code from core driver
mfd: mt6397: Rename macros to something more readable
mfd: Remove dev_err() usage after platform_get_irq()
mfd: db8500-prcmu: Mark expected switch fall-throughs
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Core Frameworks
- Obtain scale type through sysfs
New Functionality:
- Provide Device Tree functionality in rave-sp-backlight
- Calculate if scale type is (non-)linear in pwm_bl
Fix-ups:
- Simplify code in lm3630a_bl
- Trivial rename/whitespace/typo fixes in lms283gf05
- Remove superfluous NULL check in tosa_lcd
- Fix power state initialisation in gpio_backlight
- List supported file in MAINTAINERS
Bug Fixes:
- Kconfig - default to not building unless requested in
{LED,BACKLIGHT}_CLASS_DEVICE"
* tag 'backlight-next-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: pwm_bl: Set scale type for brightness curves specified in the DT
backlight: pwm_bl: Set scale type for CIE 1931 curves
backlight: Expose brightness curve type through sysfs
MAINTAINERS: Add entry for stable backlight sysfs ABI documentation
backlight: gpio-backlight: Correct initial power state handling
video: backlight: tosa_lcd: drop check because i2c_unregister_device() is NULL safe
video: backlight: Drop default m for {LCD,BACKLIGHT_CLASS_DEVICE}
backlight: lms283gf05: Fix a typo in the description passed to 'devm_gpio_request_one()'
backlight: lm3630a: Switch to use fwnode_property_count_uXX()
backlight: rave-sp: Leave initial state and register with correct device
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Consolidate _HPP/_HPX stuff in pci-acpi.c and simplify it
(Krzysztof Wilczynski)
- Fix incorrect PCIe device types and remove dev->has_secondary_link
to simplify code that deals with upstream/downstream ports (Mika
Westerberg)
- After suspend, restore Resizable BAR size bits correctly for 1MB
BARs (Sumit Saxena)
- Enable PCI_MSI_IRQ_DOMAIN support for RISC-V (Wesley Terpstra)
Virtualization:
- Add ACS quirks for iProc PAXB (Abhinav Ratna), Amazon Annapurna
Labs (Ali Saidi)
- Move sysfs SR-IOV functions to iov.c (Kelsey Skunberg)
- Remove group write permissions from sysfs sriov_numvfs,
sriov_drivers_autoprobe (Kelsey Skunberg)
Hotplug:
- Simplify pciehp indicator control (Denis Efremov)
Peer-to-peer DMA:
- Allow P2P DMA between root ports for whitelisted bridges (Logan
Gunthorpe)
- Whitelist some Intel host bridges for P2P DMA (Logan Gunthorpe)
- DMA map P2P DMA requests that traverse host bridge (Logan
Gunthorpe)
Amazon Annapurna Labs host bridge driver:
- Add DT binding and controller driver (Jonathan Chocron)
Hyper-V host bridge driver:
- Fix hv_pci_dev->pci_slot use-after-free (Dexuan Cui)
- Fix PCI domain number collisions (Haiyang Zhang)
- Use instance ID bytes 4 & 5 as PCI domain numbers (Haiyang Zhang)
- Fix build errors on non-SYSFS config (Randy Dunlap)
i.MX6 host bridge driver:
- Limit DBI register length (Stefan Agner)
Intel VMD host bridge driver:
- Fix config addressing issues (Jon Derrick)
Layerscape host bridge driver:
- Add bar_fixed_64bit property to endpoint driver (Xiaowei Bao)
- Add CONFIG_PCI_LAYERSCAPE_EP to build EP/RC drivers separately
(Xiaowei Bao)
Mediatek host bridge driver:
- Add MT7629 controller support (Jianjun Wang)
Mobiveil host bridge driver:
- Fix CPU base address setup (Hou Zhiqiang)
- Make "num-lanes" property optional (Hou Zhiqiang)
Tegra host bridge driver:
- Fix OF node reference leak (Nishka Dasgupta)
- Disable MSI for root ports to work around design problem (Vidya
Sagar)
- Add Tegra194 DT binding and controller support (Vidya Sagar)
- Add support for sideband pins and slot regulators (Vidya Sagar)
- Add PIPE2UPHY support (Vidya Sagar)
Misc:
- Remove unused pci_block_cfg_access() et al (Kelsey Skunberg)
- Unexport pci_bus_get(), etc (Kelsey Skunberg)
- Hide PM, VC, link speed, ATS, ECRC, PTM constants and interfaces in
the PCI core (Kelsey Skunberg)
- Clean up sysfs DEVICE_ATTR() usage (Kelsey Skunberg)
- Mark expected switch fall-through (Gustavo A. R. Silva)
- Propagate errors for optional regulators and PHYs (Thierry Reding)
- Fix kernel command line resource_alignment parameter issues (Logan
Gunthorpe)"
* tag 'pci-v5.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (112 commits)
PCI: Add pci_irq_vector() and other stubs when !CONFIG_PCI
arm64: tegra: Add PCIe slot supply information in p2972-0000 platform
arm64: tegra: Add configuration for PCIe C5 sideband signals
PCI: tegra: Add support to enable slot regulators
PCI: tegra: Add support to configure sideband pins
PCI: vmd: Fix shadow offsets to reflect spec changes
PCI: vmd: Fix config addressing when using bus offsets
PCI: dwc: Add validation that PCIe core is set to correct mode
PCI: dwc: al: Add Amazon Annapurna Labs PCIe controller driver
dt-bindings: PCI: Add Amazon's Annapurna Labs PCIe host bridge binding
PCI: Add quirk to disable MSI-X support for Amazon's Annapurna Labs Root Port
PCI/VPD: Prevent VPD access for Amazon's Annapurna Labs Root Port
PCI: Add ACS quirk for Amazon Annapurna Labs root ports
PCI: Add Amazon's Annapurna Labs vendor ID
MAINTAINERS: Add PCI native host/endpoint controllers designated reviewer
PCI: hv: Use bytes 4 and 5 from instance ID as the PCI domain numbers
dt-bindings: PCI: tegra: Add PCIe slot supplies regulator entries
dt-bindings: PCI: tegra: Add sideband pins configuration entries
PCI: tegra: Add Tegra194 PCIe support
PCI: Get rid of dev->has_secondary_link flag
...
|
|
- Fix typos and whitespace errors (Bjorn Helgaas, Krzysztof Wilczynski)
- Remove unnecessary "return" statements (Krzysztof Wilczynski)
- Correct of_irq_parse_pci() function documentation (Lubomir Rintel)
* pci/trivial:
PCI: Remove unnecessary returns
PCI: OF: Correct of_irq_parse_pci() documentation
PCI: Fix typos and whitespace errors
|
|
- Add mediatek support for MT7629 (Jianjun Wang)
* remotes/lorenzo/pci/mediatek:
PCI: mediatek: Add controller support for MT7629
dt-bindings: PCI: Add support for MT7629
|
|
- Add driver for Amazon Annapurna Labs PCIe controller (Jonathan Chocron)
- Disable MSI-X since Annapurna Labs advertises it, but it's broken
(Jonathan Chocron)
- Disable VPD since Annapurna Labs advertises it, but it's broken
(Jonathan Chocron)
- Add ACS quirk since Annapurna Labs doesn't support ACS but does provide
some equivalent protections (Ali Saidi)
* remotes/lorenzo/pci/al:
PCI: dwc: Add validation that PCIe core is set to correct mode
PCI: dwc: al: Add Amazon Annapurna Labs PCIe controller driver
dt-bindings: PCI: Add Amazon's Annapurna Labs PCIe host bridge binding
PCI: Add quirk to disable MSI-X support for Amazon's Annapurna Labs Root Port
PCI/VPD: Prevent VPD access for Amazon's Annapurna Labs Root Port
PCI: Add ACS quirk for Amazon Annapurna Labs root ports
PCI: Add Amazon's Annapurna Labs vendor ID
# Conflicts:
# drivers/pci/quirks.c
|
|
- Convert pci_resource_to_user() to a weak function to remove
HAVE_ARCH_PCI_RESOURCE_TO_USER #defines (Denis Efremov)
- Use PCI_SRIOV_NUM_BARS for idiomatic loop structure (Denis Efremov)
- Fix Resizable BAR size suspend/restore for 1MB BARs (Sumit Saxena)
- Correct "pci=resource_alignment" example in documentation (Alexey
Kardashevskiy)
* pci/resource:
PCI: Correct pci=resource_alignment parameter example
PCI: Restore Resizable BAR size bits correctly for 1MB BARs
PCI: Use PCI_SRIOV_NUM_BARS in loops instead of PCI_IOV_RESOURCE_END
PCI: Convert pci_resource_to_user() to a weak function
# Conflicts:
# drivers/pci/pci.c
|
|
- Move P2PCMA PCI bus offset from generic dev_pagemap to
pci_p2pdma_pagemap (Logan Gunthorpe)
- Add provider's pci_dev to pci_p2pdma_pagemap (Logan Gunthorpe)
- Apply host bridge whitelist for ACS (Logan Gunthorpe)
- Whitelist some Intel host bridges for P2PDMA (Logan Gunthorpe)
- Add attrs to pci_p2pdma_map_sg() to match dma_map_sg() (Logan
Gunthorpe)
- Add pci_p2pdma_unmap_sg() (Logan Gunthorpe)
- Store P2PDMA mapping method in xarray (Logan Gunthorpe)
- Map requests that traverse a host bridge (Logan Gunthorpe)
- Allow IOMMU for host bridge whitelist (Logan Gunthorpe)
* pci/p2pdma:
PCI/P2PDMA: Update pci_p2pdma_distance_many() documentation
PCI/P2PDMA: Allow IOMMU for host bridge whitelist
PCI/P2PDMA: dma_map() requests that traverse the host bridge
PCI/P2PDMA: Store mapping method in an xarray
PCI/P2PDMA: Factor out __pci_p2pdma_map_sg()
PCI/P2PDMA: Introduce pci_p2pdma_unmap_sg()
PCI/P2PDMA: Add attrs argument to pci_p2pdma_map_sg()
PCI/P2PDMA: Whitelist some Intel host bridges
PCI/P2PDMA: Factor out host_bridge_whitelist()
PCI/P2PDMA: Apply host bridge whitelist for ACS
PCI/P2PDMA: Factor out __upstream_bridge_distance()
PCI/P2PDMA: Add constants for map type results to upstream_bridge_distance()
PCI/P2PDMA: Add provider's pci_dev to pci_p2pdma_pagemap struct
PCI/P2PDMA: Introduce private pagemap structure
|
|
- Use devm_add_action_or_reset() helper (Fuqian Huang)
- Mark expected switch fall-through (Gustavo A. R. Silva)
- Convert sysfs device attributes from __ATTR() to DEVICE_ATTR() (Kelsey
Skunberg)
- Convert sysfs file permissions from S_IRUSR etc to octal (Kelsey
Skunberg)
- Move SR-IOV sysfs functions to iov.c (Kelsey Skunberg)
- Add pci_info_ratelimited() to ratelimit PCI messages separately
(Krzysztof Wilczynski)
- Fix "'static' not at beginning of declaration" warnings (Krzysztof
Wilczynski)
- Clean up resource_alignment parameter to not require static buffer
(Logan Gunthorpe)
- Add ACS quirk for iProc PAXB (Abhinav Ratna)
- Add pci_irq_vector() and other stubs for !CONFIG_PCI (Herbert Xu)
* pci/misc:
PCI: Add pci_irq_vector() and other stubs when !CONFIG_PCI
PCI: Add ACS quirk for iProc PAXB
PCI: Force trailing new line to resource_alignment_param in sysfs
PCI: Move pci_[get|set]_resource_alignment_param() into their callers
PCI: Clean up resource_alignment parameter to not require static buffer
PCI: Use static const struct, not const static struct
PCI: Add pci_info_ratelimited() to ratelimit PCI separately
PCI/IOV: Remove group write permission from sriov_numvfs, sriov_drivers_autoprobe
PCI/IOV: Move sysfs SR-IOV functions to iov.c
PCI: sysfs: Change permissions from symbolic to octal
PCI: sysfs: Change DEVICE_ATTR() to DEVICE_ATTR_WO()
PCI: sysfs: Define device attributes with DEVICE_ATTR*()
PCI: Mark expected switch fall-through
PCI: Use devm_add_action_or_reset()
|
|
- Consolidate _HPP & _HPX code in pci-acpi.h and remove unnecessary
struct hotplug_program_ops (Krzysztof Wilczynski)
- Fixup PCIe device types to remove the need for dev->has_secondary_link
(Mika Westerberg)
* pci/enumeration:
PCI: Get rid of dev->has_secondary_link flag
PCI: Make pcie_downstream_port() available outside of access.c
PCI/ACPI: Remove unnecessary struct hotplug_program_ops
PCI/ACPI: Move _HPP & _HPX functions to pci-acpi.c
PCI/ACPI: Rename _HPX structs from hpp_* to hpx_*
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- Move many symbols from public linux/pci.h to subsystem-private
drivers/pci/pci.h (Kelsey Skunberg)
- Unexport pci_bus_get() and pci_bus_sem since they're not needed by
modules (Kelsey Skunberg)
- Remove unused pci_block_cfg_access() et al (Kelsey Skunberg)
* pci/encapsulate:
PCI: Make pci_set_of_node(), etc private
PCI: Make pci_enable_ptm() private
PCI: Make pcie_set_ecrc_checking(), pcie_ecrc_get_policy() private
PCI: Make pci_ats_init() private
PCI: Make pcie_update_link_speed() private
PCI: Make pci_bus_get(), pci_bus_put() private
PCI: Make pci_hotplug_io_size, mem_size, and bus_size private
PCI: Make pci_save_vc_state(), pci_restore_vc_state(), etc private
PCI: Make pci_get_host_bridge_device(), pci_put_host_bridge_device() private
PCI: Make pci_check_pme_status(), pci_pme_wakeup_bus() private
PCI: Make PCI_PM_* delay times private
PCI: Unexport pci_bus_sem
PCI: Unexport pci_bus_get() and pci_bus_put()
PCI: Remove pci_block_cfg_access() et al (unused)
|
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
- syzbot memory corruption fixes for hidraw, Prodikeys, Logitech and
Sony drivers from Alan Stern and Roderick Colenbrander
- stuck 'fn' key fix for hid-apple from Joao Moreno
- proper propagation of EPOLLOUT from hiddev and hidraw, from Fabian
Henneke
- fixes for handling power management for intel-ish devices with NO_D3
flag set, from Zhang Lixu
- extension of supported usage range for customer page, as some
Logitech devices are actually making use of it. From Olivier Gay.
- hid-multitouch is no longer filtering mice node creation, from
Benjamin Tissoires
- MobileStudio Pro 13 support, from Ping Cheng
- a few other device ID additions and assorted smaller fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (27 commits)
HID: core: fix dmesg flooding if report field larger than 32bit
HID: core: Add printk_once variants to hid_warn() etc
HID: core: reformat and reduce hid_printk macros
HID: prodikeys: Fix general protection fault during probe
HID: wacom: add new MobileStudio Pro 13 support
HID: sony: Fix memory corruption issue on cleanup.
HID: i2c-hid: modify quirks for weida's devices
HID: apple: Fix stuck function keys when using FN
HID: sb0540: add support for Creative SB0540 IR receivers
HID: Add quirk for HP X500 PIXART OEM mouse
HID: logitech-dj: Fix crash when initial logi_dj_recv_query_paired_devices fails
hid-logitech-dj: add the new Lightspeed receiver
HID: logitech-dj: add support of the G700(s) receiver
HID: multitouch: add support for the Smart Tech panel
HID: multitouch: do not filter mice nodes
HID: do not call hid_set_drvdata(hdev, NULL) in drivers
HID: wacom: do not call hid_set_drvdata(hdev, NULL)
HID: logitech: Fix general protection fault caused by Logitech driver
HID: hidraw: Fix invalid read in hidraw_ioctl
HID: wacom: support named keys on older devices
...
|
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux updates from Paul Moore:
- Add LSM hooks, and SELinux access control hooks, for dnotify,
fanotify, and inotify watches. This has been discussed with both the
LSM and fs/notify folks and everybody is good with these new hooks.
- The LSM stacking changes missed a few calls to current_security() in
the SELinux code; we fix those and remove current_security() for
good.
- Improve our network object labeling cache so that we always return
the object's label, even when under memory pressure. Previously we
would return an error if we couldn't allocate a new cache entry, now
we always return the label even if we can't create a new cache entry
for it.
- Convert the sidtab atomic_t counter to a normal u32 with
READ/WRITE_ONCE() and memory barrier protection.
- A few patches to policydb.c to clean things up (remove forward
declarations, long lines, bad variable names, etc)
* tag 'selinux-pr-20190917' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
lsm: remove current_security()
selinux: fix residual uses of current_security() for the SELinux blob
selinux: avoid atomic_t usage in sidtab
fanotify, inotify, dnotify, security: add security hook for fs notifications
selinux: always return a secid from the network caches if we find one
selinux: policydb - rename type_val_to_struct_array
selinux: policydb - fix some checkpatch.pl warnings
selinux: shuffle around policydb.c to get rid of forward declarations
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|
It's an unusual configuration, and was apparently never tested, and not
caught in linux-next because of a combination of travels and it making
it into the tree too late.
The fix is to simply move the #define to outside the CONFIG_MODULE
section, since MODULE_INFO() will do the right thing.
Cc: Martijn Coenen <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Matthias Maennich <[email protected]>
Cc: Jessica Yu <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
"This includes DT support thanks to Srini and more work done by Intel
(Pierre) on improving cadence and intel support.
Summary:
- Add DT bindings and DT support in core
- Add debugfs support for soundwire properties
- Improvements on streaming handling to core
- Improved handling of Cadence module
- More updates and improvements to Intel driver"
* tag 'soundwire-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire: (30 commits)
soundwire: stream: make stream name a const pointer
soundwire: Add compute_params callback
soundwire: core: add device tree support for slave devices
dt-bindings: soundwire: add slave bindings
soundwire: bus: set initial value to port_status
soundwire: intel: handle disabled links
soundwire: intel: add debugfs register dump
soundwire: cadence_master: add debugfs register dump
soundwire: add debugfs support
soundwire: intel: remove unused variables
soundwire: intel: move shutdown() callback and don't export symbol
soundwire: cadence_master: add kernel parameter to override interrupt mask
soundwire: intel_init: add kernel module parameter to filter out links
soundwire: cadence_master: fix divider setting in clock register
soundwire: cadence_master: make use of mclk_freq property
soundwire: intel: read mclk_freq property from firmware
soundwire: add new mclk_freq field for properties
soundwire: stream: remove unnecessary variable initializations
soundwire: stream: fix disable sequence
soundwire: include mod_devicetable.h to avoid compiling warnings
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull modules updates from Jessica Yu:
"The main bulk of this pull request introduces a new exported symbol
namespaces feature. The number of exported symbols is increasingly
growing with each release (we're at about 31k exports as of 5.3-rc7)
and we currently have no way of visualizing how these symbols are
"clustered" or making sense of this huge export surface.
Namespacing exported symbols allows kernel developers to more
explicitly partition and categorize exported symbols, as well as more
easily limiting the availability of namespaced symbols to other parts
of the kernel. For starters, we have introduced the USB_STORAGE
namespace to demonstrate the API's usage. I have briefly summarized
the feature and its main motivations in the tag below.
Summary:
- Introduce exported symbol namespaces.
This new feature allows subsystem maintainers to partition and
categorize their exported symbols into explicit namespaces. Module
authors are now required to import the namespaces they need.
Some of the main motivations of this feature include: allowing
kernel developers to better manage the export surface, allow
subsystem maintainers to explicitly state that usage of some
exported symbols should only be limited to certain users (think:
inter-module or inter-driver symbols, debugging symbols, etc), as
well as more easily limiting the availability of namespaced symbols
to other parts of the kernel.
With the module import requirement, it is also easier to spot the
misuse of exported symbols during patch review.
Two new macros are introduced: EXPORT_SYMBOL_NS() and
EXPORT_SYMBOL_NS_GPL(). The API is thoroughly documented in
Documentation/kbuild/namespaces.rst.
- Some small code and kbuild cleanups here and there"
* tag 'modules-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
module: Remove leftover '#undef' from export header
module: remove unneeded casts in cmp_name()
module: move CONFIG_UNUSED_SYMBOLS to the sub-menu of MODULES
module: remove redundant 'depends on MODULES'
module: Fix link failure due to invalid relocation on namespace offset
usb-storage: export symbols in USB_STORAGE namespace
usb-storage: remove single-use define for debugging
docs: Add documentation for Symbol Namespaces
scripts: Coccinelle script for namespace dependencies.
modpost: add support for generating namespace dependencies
export: allow definition default namespaces in Makefiles or sources
module: add config option MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS
modpost: add support for symbol namespaces
module: add support for symbol namespaces.
export: explicitly align struct kernel_symbol
module: support reading multiple values per modinfo tag
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Pull MIPS updates from Paul Burton:
"Main MIPS changes:
- boot_mem_map is removed, providing a nice cleanup made possible by
the recent removal of bootmem.
- Some fixes to atomics, in general providing compiler barriers for
smp_mb__{before,after}_atomic plus fixes specific to Loongson CPUs
or MIPS32 systems using cmpxchg64().
- Conversion to the new generic VDSO infrastructure courtesy of
Vincenzo Frascino.
- Removal of undefined behavior in set_io_port_base(), fixing the
behavior of some MIPS kernel configurations when built with recent
clang versions.
- Initial MIPS32 huge page support, functional on at least Ingenic
SoCs.
- pte_special() is now supported for some configurations, allowing
among other things generic fast GUP to be used.
- Miscellaneous fixes & cleanups.
And platform specific changes:
- Major improvements to Ingenic SoC support from Paul Cercueil,
mostly enabled by the inclusion of the new TCU (timer-counter unit)
drivers he's spent a very patient year or so working on. Plus some
fixes for X1000 SoCs from Zhou Yanjie.
- Netgear R6200 v1 systems are now supported by the bcm47xx platform.
- DT updates for BMIPS, Lantiq & Microsemi Ocelot systems"
* tag 'mips_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (89 commits)
MIPS: Detect bad _PFN_SHIFT values
MIPS: Disable pte_special() for MIPS32 with RiXi
MIPS: ralink: deactivate PCI support for SOC_MT7621
mips: compat: vdso: Use legacy syscalls as fallback
MIPS: Drop Loongson _CACHE_* definitions
MIPS: tlbex: Remove cpu_has_local_ebase
MIPS: tlbex: Simplify r3k check
MIPS: Select R3k-style TLB in Kconfig
MIPS: PCI: refactor ioc3 special handling
mips: remove ioremap_cachable
mips/atomic: Fix smp_mb__{before,after}_atomic()
mips/atomic: Fix loongson_llsc_mb() wreckage
mips/atomic: Fix cmpxchg64 barriers
MIPS: Octeon: remove duplicated include from dma-octeon.c
firmware: bcm47xx_nvram: Allow COMPILE_TEST
firmware: bcm47xx_nvram: Correct size_t printf format
MIPS: Treat Loongson Extensions as ASEs
MIPS: Remove dev_err() usage after platform_get_irq()
MIPS: dts: mscc: describe the PTP ready interrupt
MIPS: dts: mscc: describe the PTP register range
...
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The ARM netx platform got removed in 5.3, so this driver
is now useless.
Reported-by: Uwe Kleine-König <[email protected]>
Cc: Sascha Hauer <[email protected]>
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
|
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, we introduced casefolding support in f2fs, and fixed
various bugs in individual features such as IO alignment,
checkpoint=disable, quota, and swapfile.
Enhancement:
- support casefolding w/ enhancement in ext4
- support fiemap for directory
- support FS_IO_GET|SET_FSLABEL
Bug fix:
- fix IO stuck during checkpoint=disable
- avoid infinite GC loop
- fix panic/overflow related to IO alignment feature
- fix livelock in swap file
- fix discard command leak
- disallow dio for atomic_write"
* tag 'f2fs-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (51 commits)
f2fs: add a condition to detect overflow in f2fs_ioc_gc_range()
f2fs: fix to add missing F2FS_IO_ALIGNED() condition
f2fs: fix to fallback to buffered IO in IO aligned mode
f2fs: fix to handle error path correctly in f2fs_map_blocks
f2fs: fix extent corrupotion during directIO in LFS mode
f2fs: check all the data segments against all node ones
f2fs: Add a small clarification to CONFIG_FS_F2FS_FS_SECURITY
f2fs: fix inode rwsem regression
f2fs: fix to avoid accessing uninitialized field of inode page in is_alive()
f2fs: avoid infinite GC loop due to stale atomic files
f2fs: Fix indefinite loop in f2fs_gc()
f2fs: convert inline_data in prior to i_size_write
f2fs: fix error path of f2fs_convert_inline_page()
f2fs: add missing documents of reserve_root/resuid/resgid
f2fs: fix flushing node pages when checkpoint is disabled
f2fs: enhance f2fs_is_checkpoint_ready()'s readability
f2fs: clean up __bio_alloc()'s parameter
f2fs: fix wrong error injection path in inc_valid_block_count()
f2fs: fix to writeout dirty inode during node flush
f2fs: optimize case-insensitive lookups
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2, quota, udf fixes and cleanups from Jan Kara:
- two small quota fixes (in grace time handling and possible missed
accounting of preallocated blocks beyond EOF).
- some ext2 cleanups
- udf fixes for better compatibility with Windows 10 generated media
(named streams, write-protection using domain-identifier, placement
of volume recognition sequence)
- some udf cleanups
* tag 'for_v5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: fix wrong condition in is_quota_modification()
fs-udf: Delete an unnecessary check before brelse()
ext2: Delete an unnecessary check before brelse()
udf: Drop forward function declarations
udf: Verify domain identifier fields
udf: augment UDF permissions on new inodes
udf: Use dynamic debug infrastructure
udf: reduce leakage of blocks related to named streams
udf: prevent allocation beyond UDF partition
quota: fix condition for resetting time limit in do_set_dqblk()
ext2: code cleanup for ext2_free_blocks()
ext2: fix block range in ext2_data_block_valid()
udf: support 2048-byte spacing of VRS descriptors on 4K media
udf: refactor VRS descriptor identification
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Richard Weinberger:
"MTD core changes:
- add debugfs nodes for querying the flash name and id
- mtd parser reorganization
SPI NOR core changes:
- always use bounce buffer for register read/writes
- move m25p80 code in spi-nor.c
- rework hwcaps selection for the spi-mem case
- rework the core in order to move the manufacturer specific code out
of it:
- regroup flash parameters in 'struct spi_nor_flash_parameter'
- add default_init() and post_sfdp() hooks to tweak the flash
parameters
- introduce the ->set_4byte(), ->convert_addr() and ->setup()
methods, to deal with manufacturer specific code
- rework the SPI NOR lock/unlock logic
- fix an error code in spi_nor_read_raw()
- fix a memory leak bug
- enable the debugfs for the partname and partid
- add support for few flashes
SPI NOR controller drivers changes:
- intel-spi:
- Whitelist 4B read commands
- Add support for Intel Tiger Lake SPI serial flash
- aspeed-smc: Add of_node_put()
- hisi-sfc: add of_node_put()
- cadence-quadspi: Fix QSPI RCU Schedule Stall
NAND core:
- Fixing typos
- Adding missing of_node_put() in various drivers
Raw NAND controller drivers:
- Macronix: new controller driver
- Omap2: fix the number of bitflips returned
- Brcmnand: fix a pointer not iterating over all the page chunks
- W90x900: driver removed
- Onenand: fix a memory leak
- Sharpsl: missing include guard
- STM32: avoid warnings when building with W=1
- Ingenic: fix a coccinelle warning
- r852: call a helper to simplify the code
CFI core:
- Kill useless initializer in mtd_do_chip_probe()
- Fix a rare write failure seen on some cfi_cmdset_0002 compliant
Parallel NORs
- Bunch of cleanups for cfi_cmdset_0002 driver's write functions by
Tokunori Ikegami"
* tag 'mtd/for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (77 commits)
mtd: pmc551: Remove set but not used variable 'soff_lo'
mtd: cfi_cmdset_0002: Fix do_erase_chip() to get chip as erasing mode
mtd: sm_ftl: Fix memory leak in sm_init_zone() error path
mtd: parsers: Move CMDLINE parser
mtd: parsers: Move OF parser
mtd: parsers: Move BCM63xx parser
mtd: parsers: Move BCM47xx parser
mtd: parsers: Move TI AR7 parser
mtd: pismo: Simplify getting the adapter of a client
mtd: phram: Module parameters add writable permissions
mtd: pxa2xx: Use ioremap_cache insted of ioremap_cached
mtd: spi-nor: Rename "n25q512a" to "mt25qu512a (n25q512a)"
mtd: spi-nor: Add support for mt35xu02g
mtd: rawnand: omap2: Fix number of bitflips reporting with ELM
mtd: rawnand: brcmnand: Fix ecc chunk calculation for erased page bitfips
mtd: spi-nor: remove superfluous pass of nor->info->sector_size
mtd: spi-nor: enable the debugfs for the partname and partid
mtd: mtdcore: add debugfs nodes for querying the flash name and id
mtd: spi-nor: hisi-sfc: Add of_node_put() before break
mtd: spi-nor: aspeed-smc: Add of_node_put()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
"Some reworks to better support nvdimms on powerpc and an nvdimm
security interface update:
- Rework the nvdimm core to accommodate architectures with different
page sizes and ones that can change supported huge page sizes at
boot time rather than a compile time constant.
- Introduce a distinct 'frozen' attribute for the nvdimm security
state since it is independent of the locked state.
- Miscellaneous fixups"
* tag 'libnvdimm-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm: Use PAGE_SIZE instead of SZ_4K for align check
libnvdimm/label: Remove the dpa align check
libnvdimm/pfn_dev: Add page size and struct page size to pfn superblock
libnvdimm/pfn_dev: Add a build check to make sure we notice when struct page size change
libnvdimm/pmem: Advance namespace seed for specific probe errors
libnvdimm/region: Rewrite _probe_success() to _advance_seeds()
libnvdimm/security: Consolidate 'security' operations
libnvdimm/security: Tighten scope of nvdimm->busy vs security operations
libnvdimm/security: Introduce a 'frozen' attribute
libnvdimm, region: Use struct_size() in kzalloc()
tools/testing/nvdimm: Fix fallthrough warning
libnvdimm/of_pmem: Provide a unique name for bus provider
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Pull SCSI updates from James Bottomley:
"This is mostly update of the usual drivers: qla2xxx, ufs, smartpqi,
lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates. The
only core change this time around is the addition of request batching
for virtio. Since batching requires an additional flag to use, it
should be invisible to the rest of the drivers"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (264 commits)
scsi: hisi_sas: Fix the conflict between device gone and host reset
scsi: hisi_sas: Add BIST support for phy loopback
scsi: hisi_sas: Add hisi_sas_debugfs_alloc() to centralise allocation
scsi: hisi_sas: Remove some unused function arguments
scsi: hisi_sas: Remove redundant work declaration
scsi: hisi_sas: Remove hisi_sas_hw.slot_complete
scsi: hisi_sas: Assign NCQ tag for all NCQ commands
scsi: hisi_sas: Update all the registers after suspend and resume
scsi: hisi_sas: Retry 3 times TMF IO for SAS disks when init device
scsi: hisi_sas: Remove sleep after issue phy reset if sas_smp_phy_control() fails
scsi: hisi_sas: Directly return when running I_T_nexus reset if phy disabled
scsi: hisi_sas: Use true/false as input parameter of sas_phy_reset()
scsi: hisi_sas: add debugfs auto-trigger for internal abort time out
scsi: virtio_scsi: unplug LUNs when events missed
scsi: scsi_dh_rdac: zero cdb in send_mode_select()
scsi: fcoe: fix null-ptr-deref Read in fc_release_transport
scsi: ufs-hisi: use devm_platform_ioremap_resource() to simplify code
scsi: ufshcd: use devm_platform_ioremap_resource() to simplify code
scsi: hisi_sas: use devm_platform_ioremap_resource() to simplify code
scsi: ufs: Use kmemdup in ufshcd_read_string_desc()
...
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Pull RDMA subsystem updates from Jason Gunthorpe:
"This cycle mainly saw lots of bug fixes and clean up code across the
core code and several drivers, few new functional changes were made.
- Many cleanup and bug fixes for hns
- Various small bug fixes and cleanups in hfi1, mlx5, usnic, qed,
bnxt_re, efa
- Share the query_port code between all the iWarp drivers
- General rework and cleanup of the ODP MR umem code to fit better
with the mmu notifier get/put scheme
- Support rdma netlink in non init_net name spaces
- mlx5 support for XRC devx and DC ODP"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (99 commits)
RDMA: Fix double-free in srq creation error flow
RDMA/efa: Fix incorrect error print
IB/mlx5: Free mpi in mp_slave mode
IB/mlx5: Use the original address for the page during free_pages
RDMA/bnxt_re: Fix spelling mistake "missin_resp" -> "missing_resp"
RDMA/hns: Package operations of rq inline buffer into separate functions
RDMA/hns: Optimize cmd init and mode selection for hip08
IB/hfi1: Define variables as unsigned long to fix KASAN warning
IB/{rdmavt, hfi1, qib}: Add a counter for credit waits
IB/hfi1: Add traces for TID RDMA READ
RDMA/siw: Relax from kmap_atomic() use in TX path
IB/iser: Support up to 16MB data transfer in a single command
RDMA/siw: Fix page address mapping in TX path
RDMA: Fix goto target to release the allocated memory
RDMA/usnic: Avoid overly large buffers on stack
RDMA/odp: Add missing cast for 32 bit
RDMA/hns: Use devm_platform_ioremap_resource() to simplify code
Documentation/infiniband: update name of some functions
RDMA/cma: Fix false error message
RDMA/hns: Fix wrong assignment of qp_access_flags
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull hmm updates from Jason Gunthorpe:
"This is more cleanup and consolidation of the hmm APIs and the very
strongly related mmu_notifier interfaces. Many places across the tree
using these interfaces are touched in the process. Beyond that a
cleanup to the page walker API and a few memremap related changes
round out the series:
- General improvement of hmm_range_fault() and related APIs, more
documentation, bug fixes from testing, API simplification &
consolidation, and unused API removal
- Simplify the hmm related kconfigs to HMM_MIRROR and DEVICE_PRIVATE,
and make them internal kconfig selects
- Hoist a lot of code related to mmu notifier attachment out of
drivers by using a refcount get/put attachment idiom and remove the
convoluted mmu_notifier_unregister_no_release() and related APIs.
- General API improvement for the migrate_vma API and revision of its
only user in nouveau
- Annotate mmu_notifiers with lockdep and sleeping region debugging
Two series unrelated to HMM or mmu_notifiers came along due to
dependencies:
- Allow pagemap's memremap_pages family of APIs to work without
providing a struct device
- Make walk_page_range() and related use a constant structure for
function pointers"
* tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (75 commits)
libnvdimm: Enable unit test infrastructure compile checks
mm, notifier: Catch sleeping/blocking for !blockable
kernel.h: Add non_block_start/end()
drm/radeon: guard against calling an unpaired radeon_mn_unregister()
csky: add missing brackets in a macro for tlb.h
pagewalk: use lockdep_assert_held for locking validation
pagewalk: separate function pointers from iterator data
mm: split out a new pagewalk.h header from mm.h
mm/mmu_notifiers: annotate with might_sleep()
mm/mmu_notifiers: prime lockdep
mm/mmu_notifiers: add a lockdep map for invalidate_range_start/end
mm/mmu_notifiers: remove the __mmu_notifier_invalidate_range_start/end exports
mm/hmm: hmm_range_fault() infinite loop
mm/hmm: hmm_range_fault() NULL pointer bug
mm/hmm: fix hmm_range_fault()'s handling of swapped out pages
mm/mmu_notifiers: remove unregister_no_release
RDMA/odp: remove ib_ucontext from ib_umem
RDMA/odp: use mmu_notifier_get/put for 'struct ib_ucontext_per_mm'
RDMA/mlx5: Use odp instead of mr->umem in pagefault_mr
RDMA/mlx5: Use ib_umem_start instead of umem.address
...
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Pull asm inline support from Miguel Ojeda:
"Make use of gcc 9's "asm inline()" (Rasmus Villemoes):
gcc 9+ (and gcc 8.3, 7.5) provides a way to override the otherwise
crude heuristic that gcc uses to estimate the size of the code
represented by an asm() statement. From the gcc docs
If you use 'asm inline' instead of just 'asm', then for inlining
purposes the size of the asm is taken as the minimum size, ignoring
how many instructions GCC thinks it is.
For compatibility with older compilers, we obviously want a
#if [understands asm inline]
#define asm_inline asm inline
#else
#define asm_inline asm
#endif
But since we #define the identifier inline to attach some attributes,
we have to use an alternate spelling of that keyword. gcc provides
both __inline__ and __inline, and we currently #define both to inline,
so they all have the same semantics.
We have to free up one of __inline__ and __inline, and the latter is
by far the easiest.
The two x86 changes cause smaller code gen differences than I'd
expect, but I think we do want the asm_inline thing available sooner
or later, so this is just to get the ball rolling"
* tag 'compiler-attributes-for-linus-v5.4' of git://github.com/ojeda/linux:
x86: bug.h: use asm_inline in _BUG_FLAGS definitions
x86: alternative.h: use asm_inline for all alternative variants
compiler-types.h: add asm_inline definition
compiler_types.h: don't #define __inline
lib/zstd/mem.h: replace __inline by inline
staging: rtl8723bs: replace __inline by inline
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Add stub functions pci_alloc_irq_vectors_affinity() and pci_irq_vector()
when CONFIG_PCI is off so drivers can use them without resorting to ifdefs.
Also move the PCI_IRQ_* macros outside of the ifdefs so they are always
available.
Fixes: 625f269a5a7a ("crypto: inside-secure - add support for PCI based FPGA development board")
Link: https://lore.kernel.org/r/[email protected]
Reported-by: kbuild test robot <[email protected]>
Reported-by: YueHaibing <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
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It is surprising for a PWM consumer when the variable holding the
requested state is modified by pwm_apply_state(). Consider for example a
driver doing:
#define PERIOD 5000000
#define DUTY_LITTLE 10
...
struct pwm_state state = {
.period = PERIOD,
.duty_cycle = DUTY_LITTLE,
.polarity = PWM_POLARITY_NORMAL,
.enabled = true,
};
pwm_apply_state(mypwm, &state);
...
state.duty_cycle = PERIOD / 2;
pwm_apply_state(mypwm, &state);
For sure the second call to pwm_apply_state() should still have
state.period = PERIOD and not something the hardware driver chose for a
reason that doesn't necessarily apply to the second call.
So declare the state argument as a pointer to a const type and adapt all
drivers' .apply callbacks.
Signed-off-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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Pull ARM SoC late updates from Arnd Bergmann:
"This is some material that we picked up into our tree late or that had
complex inter-depondencies. The fact that there are these
interdependencies tends to meant that these are often actually the
most interesting new additions:
- The new Aspeed AST2600 baseboard management controller is added,
this is a Cortex-A7 based follow-up to the ARM11 based AST2500 and
had some dependencies on other device drivers.
- After many years, support for the MMP2 based OLPC XO-1.75 finally
makes it into the kernel.
- The Armada 3720 based Turris Mox open source router platform is a
late addition and it follows some preparatory work across multiple
branches.
- The OMAP2+ platform had some large-scale cleanup involving driver
changes and DT changes, here we finish it off, dropping a lot of
the now-unused platform data.
- The TI K3 platform that got added for 5.3 gains a lot more support
for individual bits on the SoC, this part just came late for the
merge window"
[ This pull request itself wasn't actually sent late at all by Arnd, but
I waited on the branches that it used to be pulled first, so it ends
up being merged much later than the other ARM SoC pull requests this
merge window - Linus ]
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (57 commits)
ARM: dts: dir685: Drop spi-cpol from the display
ARM: dts: aspeed: Add AST2600 pinmux nodes
ARM: dts: aspeed: Add AST2600 and EVB
ARM: exynos: Enable support for ARM architected timers
ARM: samsung: Fix system restart on S3C6410
ARM: dts: mmp2: add OLPC XO 1.75 machine
ARM: dts: mmp2: rename the USB PHY node
ARM: dts: mmp2: specify reg-shift for the UARTs
ARM: dts: mmp2: add camera interfaces
ARM: dts: mmp2: fix the SPI nodes
ARM: dts: mmp2: trivial whitespace fix
arm64: dts: marvell: add DTS for Turris Mox
dt-bindings: marvell: document Turris Mox compatible
arm64: dts: marvell: armada-37xx: add SPI CS1 pinctrl
arm64: dts: ti: k3-j721e-main: Fix gic-its node unit-address
arm64: dts: ti: k3-am65-main: Fix gic-its node unit-address
arm64: dts: ti: k3-j721e-main: Add hwspinlock node
arm64: dts: ti: k3-am65-main: Add hwspinlock node
arm64: dts: k3-j721e: Add gpio-keys on common processor board
dt-bindings: pinctrl: k3: Introduce pinmux definitions for J721E
...
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"We have a small collection of core framework updates this time, mostly
around clk registration by clk providers and debugfs "nice to haves"
for rate constraints. I'll highlight that we're now setting the
clk_init_data pointer inside struct clk_hw to NULL during
clk_register(), which may break some drivers that thought they could
use that pointer during normal operations. That change has been
sitting in next for a while now but maybe something is still broken.
We'l see. Other than that the core framework changes aren't invasive
and they're fixing bugs, simplifying, and making things better.
On the clk driver side we got the usual addition of new SoC support,
new features for existing drivers, and bug fixes scattered throughout.
The biggest diffstat is the Amlogic driver that gained CPU clk support
in addition to migrating to the new way of specifying clk parents.
After that the Qualcomm, i.MX, Mediatek, and Rockchip clk drivers got
support for various new SoCs and clock controllers from those vendors.
Core:
- Drop NULL checks in clk debugfs
- Add min/max rates to clk debugfs
- Set clk_init_data pointer inside clk_hw to NULL after registration
- Make clk_bulk_get_all() return an 'id' corresponding to clock-names
- Evict parents from parent cache when they're unregistered
New Drivers:
- Add clock driver for i.MX8MN SoCs
- Support aspeed AST2600 SoCs
- Support for Mediatek MT6779 SoCs
- Support qcom SM8150 GCC and RPMh clks
- Support qcom QCS404 WCSS clks
- Add CPU clock support for Armada 7K/8K (specifically AP806 and AP807)
- Addition of clock driver for Rockchip rk3308 SoCs
Updates:
- Add regulator support to the cdce925 clk driver
- Add support for Raspberry Pi 4 bcm2711 SoCs
- Add SDIO gate support to aspeed driver
- Add missing of_node_put() calls in various clk drivers
- Migrate Amlogic driver to new clock parent description method
- Add DVFS support to Amlogic Meson g12
- Add Amlogic Meson g12a reset support to the axg audio clock controller
- Add sm1 support to the Amlogic Meson g12a clock controller
- Switch i.MX8MM clock driver to platform driver
- Add Hifi4 DSP related clocks for i.MX8QXP SoC
- Fix Audio PLL setting and parent clock for USB
- Misc i.MX8 clock driver improvements and corrections
- Set floor ops for Qualcomm SD clks so that rounding works
- Fix "always-on" Clock Domains on Renesas R-Car M1A, RZ/A1, RZ/A2, and RZ/N1
- Enable the Allwinner V3 SoC and fix the i2s clock for H6"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (137 commits)
clk: Drop !clk checks in debugfs dumping
clk: imx: imx8mn: fix pll mux bit
clk: imx: imx8mm: fix pll mux bit
clk: imx: clk-pll14xx: unbypass PLL by default
clk: imx: pll14xx: avoid glitch when set rate
clk: mvebu: ap80x: add AP807 clock support
clk: mvebu: ap806: Prepare the introduction of AP807 clock support
clk: mvebu: ap806: add AP-DCLK (hclk) to system controller driver
clk: mvebu: ap806: be more explicit on what SaR is
clk: mvebu: ap80x-cpu: add AP807 CPU clock support
clk: mvebu: ap806-cpu: prepare mapping of AP807 CPU clock
dt-bindings: ap806: Document AP807 clock compatible
dt-bindings: ap80x: Document AP807 CPU clock compatible
clk: sprd: add missing kfree
clk: at91: allow 24 Mhz clock as input for PLL
clk: Make clk_bulk_get_all() return a valid "id"
clk: actions: Fix factor clk struct member access
clk: qcom: rcg: Return failure for RCG update
clk: remove extra ---help--- tags in Kconfig
clk: add include guard to clk-conf.h
...
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Since commit b0c6108ecf64 ("nfs_instantiate(): prevent multiple aliases for
directory inode"), nfs_instantiate() may succeed without actually
instantiating the dentry that was passed in. That can be problematic for
some callers in NFSv3, so this patch breaks things up so we can get the
actual dentry obtained.
Signed-off-by: Benjamin Coddington <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>
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