Commit Graph

59811 Commits

Author SHA1 Message Date
Qi Zheng
21fbd59136 ksm: add the ksm prefix to the names of the ksm private structures
In order to prevent the name of the private structure of ksm from being
the same as the name of the common structure used in subsequent patches,
prefix their names with ksm in advance.

Link: https://lkml.kernel.org/r/20220831031951.43152-5-zhengqi.arch@bytedance.com
Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-10-03 14:02:43 -07:00
xu xin
21b7bdb504 ksm: add profit monitoring documentation
Add the description of KSM profit and how to determine it separately in
system-wide range and inner a single process.

Link: https://lkml.kernel.org/r/20220830144003.299870-1-xu.xin16@zte.com.cn
Signed-off-by: xu xin <xu.xin16@zte.com.cn>
Reviewed-by: Xiaokai Ran <ran.xiaokai@zte.com.cn>
Reviewed-by: Yang Yang <yang.yang29@zte.com.cn>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Izik Eidus <izik.eidus@ravellosystems.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-26 19:46:29 -07:00
Liam R. Howlett
54a611b605 Maple Tree: add new data structure
Patch series "Introducing the Maple Tree"

The maple tree is an RCU-safe range based B-tree designed to use modern
processor cache efficiently.  There are a number of places in the kernel
that a non-overlapping range-based tree would be beneficial, especially
one with a simple interface.  If you use an rbtree with other data
structures to improve performance or an interval tree to track
non-overlapping ranges, then this is for you.

The tree has a branching factor of 10 for non-leaf nodes and 16 for leaf
nodes.  With the increased branching factor, it is significantly shorter
than the rbtree so it has fewer cache misses.  The removal of the linked
list between subsequent entries also reduces the cache misses and the need
to pull in the previous and next VMA during many tree alterations.

The first user that is covered in this patch set is the vm_area_struct,
where three data structures are replaced by the maple tree: the augmented
rbtree, the vma cache, and the linked list of VMAs in the mm_struct.  The
long term goal is to reduce or remove the mmap_lock contention.

The plan is to get to the point where we use the maple tree in RCU mode.
Readers will not block for writers.  A single write operation will be
allowed at a time.  A reader re-walks if stale data is encountered.  VMAs
would be RCU enabled and this mode would be entered once multiple tasks
are using the mm_struct.

Davidlor said

: Yes I like the maple tree, and at this stage I don't think we can ask for
: more from this series wrt the MM - albeit there seems to still be some
: folks reporting breakage.  Fundamentally I see Liam's work to (re)move
: complexity out of the MM (not to say that the actual maple tree is not
: complex) by consolidating the three complimentary data structures very
: much worth it considering performance does not take a hit.  This was very
: much a turn off with the range locking approach, which worst case scenario
: incurred in prohibitive overhead.  Also as Liam and Matthew have
: mentioned, RCU opens up a lot of nice performance opportunities, and in
: addition academia[1] has shown outstanding scalability of address spaces
: with the foundation of replacing the locked rbtree with RCU aware trees.

A similar work has been discovered in the academic press

	https://pdos.csail.mit.edu/papers/rcuvm:asplos12.pdf

Sheer coincidence.  We designed our tree with the intention of solving the
hardest problem first.  Upon settling on a b-tree variant and a rough
outline, we researched ranged based b-trees and RCU b-trees and did find
that article.  So it was nice to find reassurances that we were on the
right path, but our design choice of using ranges made that paper unusable
for us.

This patch (of 70):

The maple tree is an RCU-safe range based B-tree designed to use modern
processor cache efficiently.  There are a number of places in the kernel
that a non-overlapping range-based tree would be beneficial, especially
one with a simple interface.  If you use an rbtree with other data
structures to improve performance or an interval tree to track
non-overlapping ranges, then this is for you.

The tree has a branching factor of 10 for non-leaf nodes and 16 for leaf
nodes.  With the increased branching factor, it is significantly shorter
than the rbtree so it has fewer cache misses.  The removal of the linked
list between subsequent entries also reduces the cache misses and the need
to pull in the previous and next VMA during many tree alterations.

The first user that is covered in this patch set is the vm_area_struct,
where three data structures are replaced by the maple tree: the augmented
rbtree, the vma cache, and the linked list of VMAs in the mm_struct.  The
long term goal is to reduce or remove the mmap_lock contention.

The plan is to get to the point where we use the maple tree in RCU mode.
Readers will not block for writers.  A single write operation will be
allowed at a time.  A reader re-walks if stale data is encountered.  VMAs
would be RCU enabled and this mode would be entered once multiple tasks
are using the mm_struct.

There is additional BUG_ON() calls added within the tree, most of which
are in debug code.  These will be replaced with a WARN_ON() call in the
future.  There is also additional BUG_ON() calls within the code which
will also be reduced in number at a later date.  These exist to catch
things such as out-of-range accesses which would crash anyways.

Link: https://lkml.kernel.org/r/20220906194824.2110408-1-Liam.Howlett@oracle.com
Link: https://lkml.kernel.org/r/20220906194824.2110408-2-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: David Howells <dhowells@redhat.com>
Tested-by: Sven Schnelle <svens@linux.ibm.com>
Tested-by: Yu Zhao <yuzhao@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: David Hildenbrand <david@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-26 19:46:13 -07:00
Aneesh Kumar K.V
9832fb8783 mm/demotion: expose memory tier details via sysfs
Add /sys/devices/virtual/memory_tiering/ where all memory tier related
details can be found.  All allocated memory tiers will be listed there as
/sys/devices/virtual/memory_tiering/memory_tierN/

The nodes which are part of a specific memory tier can be listed via
/sys/devices/virtual/memory_tiering/memory_tierN/nodes

A directory hierarchy looks like
:/sys/devices/virtual/memory_tiering$ tree memory_tier4/
memory_tier4/
├── nodes
├── subsystem -> ../../../../bus/memory_tiering
└── uevent

:/sys/devices/virtual/memory_tiering$ cat memory_tier4/nodes
0,2

[aneesh.kumar@linux.ibm.com: drop toptier_nodes from sysfs]
  Link: https://lkml.kernel.org/r/20220922102201.62168-1-aneesh.kumar@linux.ibm.com
Link: https://lkml.kernel.org/r/20220830081736.119281-1-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Bharata B Rao <bharata@amd.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Hesham Almatary <hesham.almatary@huawei.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Jagdish Gediya <jvgediya.oss@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Tim Chen <tim.c.chen@intel.com>
Cc: Wei Xu <weixugc@google.com>
Cc: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-26 19:46:13 -07:00
Yu Zhao
8be976a093 mm: multi-gen LRU: design doc
Add a design doc.

Link: https://lkml.kernel.org/r/20220918080010.2920238-15-yuzhao@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Acked-by: Brian Geffon <bgeffon@google.com>
Acked-by: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
Acked-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Acked-by: Steven Barrett <steven@liquorix.net>
Acked-by: Suleiman Souhlal <suleiman@google.com>
Tested-by: Daniel Byrne <djbyrne@mtu.edu>
Tested-by: Donald Carr <d@chaos-reins.com>
Tested-by: Holger Hoffstätte <holger@applied-asynchrony.com>
Tested-by: Konstantin Kharlamov <Hi-Angel@yandex.ru>
Tested-by: Shuang Zhai <szhai2@cs.rochester.edu>
Tested-by: Sofia Trinh <sofia.trinh@edi.works>
Tested-by: Vaibhav Jain <vaibhav@linux.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Michael Larabel <Michael@MichaelLarabel.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-26 19:46:11 -07:00
Yu Zhao
07017acb06 mm: multi-gen LRU: admin guide
Add an admin guide.

Link: https://lkml.kernel.org/r/20220918080010.2920238-14-yuzhao@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Acked-by: Brian Geffon <bgeffon@google.com>
Acked-by: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
Acked-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Acked-by: Steven Barrett <steven@liquorix.net>
Acked-by: Suleiman Souhlal <suleiman@google.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Tested-by: Daniel Byrne <djbyrne@mtu.edu>
Tested-by: Donald Carr <d@chaos-reins.com>
Tested-by: Holger Hoffstätte <holger@applied-asynchrony.com>
Tested-by: Konstantin Kharlamov <Hi-Angel@yandex.ru>
Tested-by: Shuang Zhai <szhai2@cs.rochester.edu>
Tested-by: Sofia Trinh <sofia.trinh@edi.works>
Tested-by: Vaibhav Jain <vaibhav@linux.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Michael Larabel <Michael@MichaelLarabel.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-26 19:46:10 -07:00
Yang Yang
f347c9d269 filemap: make the accounting of thrashing more consistent
Once upon a time, we only support accounting thrashing of page cache. 
Then Joonsoo introduced workingset detection for anonymous pages and we
gained the ability to account thrashing of them[1].

So let delayacct account both the thrashing of page cache and anonymous
pages, this could make the codes more consistent and simpler.

[1] commit aae466b005 ("mm/swap: implement workingset detection for anonymous LRU")

Link: https://lkml.kernel.org/r/20220805033838.1714674-1-yang.yang29@zte.com.cn
Signed-off-by: Yang Yang <yang.yang29@zte.com.cn>
Signed-off-by: CGEL ZTE <cgel.zte@gmail.com>
Acked-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Yang Yang <yang.yang29@zte.com.cn>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-26 19:46:06 -07:00
Li Zhe
c4f20f1479 page_ext: introduce boot parameter 'early_page_ext'
In commit 2f1ee0913c ("Revert "mm: use early_pfn_to_nid in
page_ext_init""), we call page_ext_init() after page_alloc_init_late() to
avoid some panic problem.  It seems that we cannot track early page
allocations in current kernel even if page structure has been initialized
early.

This patch introduces a new boot parameter 'early_page_ext' to resolve
this problem.  If we pass it to the kernel, page_ext_init() will be moved
up and the feature 'deferred initialization of struct pages' will be
disabled to initialize the page allocator early and prevent the panic
problem above.  It can help us to catch early page allocations.  This is
useful especially when we find that the free memory value is not the same
right after different kernel booting.

[akpm@linux-foundation.org: fix section issue by removing __meminitdata]
Link: https://lkml.kernel.org/r/20220825102714.669-1-lizhe.67@bytedance.com
Signed-off-by: Li Zhe <lizhe.67@bytedance.com>
Suggested-by: Michal Hocko <mhocko@suse.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-11 20:26:02 -07:00
Kassey Li
8f0efa81df mm/page_owner.c: add llseek for page_owner
It is too slow to dump all the pages, in some usage we just want to dump a
given start pfn, for example: a CMA range or a single page.

To speed up and save time, this change allows specifying of a start pfn by
adding llseek for page_owner.

Link: https://lkml.kernel.org/r/20220818022425.31056-1-quic_yingangl@quicinc.com
Signed-off-by: Kassey Li <quic_yingangl@quicinc.com>
Suggested-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-11 20:25:59 -07:00
Huang Ying
c6833e1000 memory tiering: rate limit NUMA migration throughput
In NUMA balancing memory tiering mode, if there are hot pages in slow
memory node and cold pages in fast memory node, we need to promote/demote
hot/cold pages between the fast and cold memory nodes.

A choice is to promote/demote as fast as possible.  But the CPU cycles and
memory bandwidth consumed by the high promoting/demoting throughput will
hurt the latency of some workload because of accessing inflating and slow
memory bandwidth contention.

A way to resolve this issue is to restrict the max promoting/demoting
throughput.  It will take longer to finish the promoting/demoting.  But
the workload latency will be better.  This is implemented in this patch as
the page promotion rate limit mechanism.

The number of the candidate pages to be promoted to the fast memory node
via NUMA balancing is counted, if the count exceeds the limit specified by
the users, the NUMA balancing promotion will be stopped until the next
second.

A new sysctl knob kernel.numa_balancing_promote_rate_limit_MBps is added
for the users to specify the limit.

Link: https://lkml.kernel.org/r/20220713083954.34196-3-ying.huang@intel.com
Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Tested-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: osalvador <osalvador@suse.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Wei Xu <weixugc@google.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Zhong Jiang <zhongjiang-ali@linux.alibaba.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-11 20:25:54 -07:00
Charan Teja Kalla
9a79443ddc mm/cma_debug: show complete cma name in debugfs directories
Currently only 12 characters of the cma name is being used as the debug
directories where as the cma name can be of length CMA_MAX_NAME(=64)
characters.  One side problem with this is having 2 cma's with first
common 12 characters would end up in trying to create directories with
same name and fails with -EEXIST thus can limit cma debug functionality.

The 'cma-' prefix is used initially where cma areas don't have any names
and are represented by simple integer values.  Since now each cma would be
having its own name, drop 'cma-' prefix for the cma debug directories as
they are clearly evident that they are for cma debug through creating them
in /sys/kernel/debug/cma/ path.

Link: https://lkml.kernel.org/r/1660223729-22461-1-git-send-email-quic_charante@quicinc.com
Signed-off-by: Charan Teja Kalla <quic_charante@quicinc.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Pavan Kondeti <quic_pkondeti@quicinc.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-11 20:25:50 -07:00
Axel Rasmussen
816284a3d0 userfaultfd: update documentation to describe /dev/userfaultfd
Explain the different ways to create a new userfaultfd, and how access
control works for each way.

[axelrasmussen@google.com: improve wording in documentation, per Mike]
  Link: https://lkml.kernel.org/r/20220819205201.658693-5-axelrasmussen@google.com
Link: https://lkml.kernel.org/r/20220808175614.3885028-5-axelrasmussen@google.com
Signed-off-by: Axel Rasmussen <axelrasmussen@google.com>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Dmitry V. Levin <ldv@altlinux.org>
Cc: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Nadav Amit <namit@vmware.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Zhang Yi <yi.zhang@huawei.com>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-11 20:25:49 -07:00
Linus Torvalds
2f23a7c914 Misc fixes:
- Fix PAT on Xen, which caused i915 driver failures
  - Fix compat INT 80 entry crash on Xen PV guests
  - Fix 'MMIO Stale Data' mitigation status reporting on older Intel CPUs
  - Fix RSB stuffing regressions
  - Fix ORC unwinding on ftrace trampolines
  - Add Intel Raptor Lake CPU model number
  - Fix (work around) a SEV-SNP bootloader bug providing bogus values in
    boot_params->cc_blob_address, by ignoring the value on !SEV-SNP bootups.
  - Fix SEV-SNP early boot failure
  - Fix the objtool list of noreturn functions and annotate snp_abort(),
    which bug confused objtool on gcc-12.
  - Fix the documentation for retbleed
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2022-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull misc x86 fixes from Ingo Molnar:

 - Fix PAT on Xen, which caused i915 driver failures

 - Fix compat INT 80 entry crash on Xen PV guests

 - Fix 'MMIO Stale Data' mitigation status reporting on older Intel CPUs

 - Fix RSB stuffing regressions

 - Fix ORC unwinding on ftrace trampolines

 - Add Intel Raptor Lake CPU model number

 - Fix (work around) a SEV-SNP bootloader bug providing bogus values in
   boot_params->cc_blob_address, by ignoring the value on !SEV-SNP
   bootups.

 - Fix SEV-SNP early boot failure

 - Fix the objtool list of noreturn functions and annotate snp_abort(),
   which bug confused objtool on gcc-12.

 - Fix the documentation for retbleed

* tag 'x86-urgent-2022-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Documentation/ABI: Mention retbleed vulnerability info file for sysfs
  x86/sev: Mark snp_abort() noreturn
  x86/sev: Don't use cc_platform_has() for early SEV-SNP calls
  x86/boot: Don't propagate uninitialized boot_params->cc_blob_address
  x86/cpu: Add new Raptor Lake CPU model number
  x86/unwind/orc: Unwind ftrace trampolines with correct ORC entry
  x86/nospec: Fix i386 RSB stuffing
  x86/nospec: Unwreck the RSB stuffing
  x86/bugs: Add "unknown" reporting for MMIO Stale Data
  x86/entry: Fix entry_INT80_compat for Xen PV guests
  x86/PAT: Have pat_enabled() properly reflect state when running on Xen
2022-08-28 10:10:23 -07:00
Linus Torvalds
10d4879f9e Thermal control fixes for 6.0-rc3
- Add missing EXPORT_SYMBOL_GPL in the thermal core and add back the
    required 'trips' property to the thermal zone DT bindings (Daniel
    Lezcano).
 
  - Prevent the int340x_thermal driver from crashing when a package
    with a buffer of 0 length is returned by an ACPI control method
    evaluated by it (Lee, Chun-Yi).
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Merge tag 'thermal-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control fixes from Rafael Wysocki:
 "Fix two issues introduced recently and one driver problem leading to a
  NULL pointer dereference in some cases.

  Specifics:

   - Add missing EXPORT_SYMBOL_GPL in the thermal core and add back the
     required 'trips' property to the thermal zone DT bindings (Daniel
     Lezcano)

   - Prevent the int340x_thermal driver from crashing when a package
     with a buffer of 0 length is returned by an ACPI control method
     evaluated by it (Lee, Chun-Yi)"

* tag 'thermal-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal/int340x_thermal: handle data_vault when the value is ZERO_SIZE_PTR
  dt-bindings: thermal: Fix missing required property
  thermal/core: Add missing EXPORT_SYMBOL_GPL
2022-08-27 15:58:38 -07:00
Rafael J. Wysocki
3bf1b15712 Merge branch 'thermal-core'
Merge thermal control core fixes for 6.0-rc3:

 - Fix missing required property for thermal zone description (Daniel
   Lezcano).

 - Add missing export symbol for
   thermal_zone_device_register_with_trips() (Daniel Lezcano).

* thermal-core:
  dt-bindings: thermal: Fix missing required property
  thermal/core: Add missing EXPORT_SYMBOL_GPL
2022-08-27 15:07:58 +02:00
Linus Torvalds
e022620b5d arm64 fixes for -rc3
- Fix workaround for Cortex-A76 erratum #1286807
 
 - Add workaround for AMU erratum #2457168 on Cortex-A510
 
 - Drop reference to removed CONFIG_ARCH_RANDOM #define
 
 - Fix parsing of the "rodata=full" cmdline option
 
 - Fix a bunch of issues in the SME register state switching and sigframe code
 
 - Fix incorrect extraction of the CTR_EL0.CWG register field
 
 - Fix ACPI cache topology probing when the PPTT is not present
 
 - Trivial comment and whitespace fixes
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "A bumper crop of arm64 fixes for -rc3.

  The largest change is fixing our parsing of the 'rodata=full' command
  line option, which kstrtobool() started treating as 'rodata=false'.
  The fix actually makes the parsing of that option much less fragile
  and updates the documentation at the same time.

  We still have a boot issue pending when KASLR is disabled at compile
  time, but there's a fresh fix on the list which I'll send next week if
  it holds up to testing.

  Summary:

   - Fix workaround for Cortex-A76 erratum #1286807

   - Add workaround for AMU erratum #2457168 on Cortex-A510

   - Drop reference to removed CONFIG_ARCH_RANDOM #define

   - Fix parsing of the "rodata=full" cmdline option

   - Fix a bunch of issues in the SME register state switching and sigframe code

   - Fix incorrect extraction of the CTR_EL0.CWG register field

   - Fix ACPI cache topology probing when the PPTT is not present

   - Trivial comment and whitespace fixes"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/sme: Don't flush SVE register state when handling SME traps
  arm64/sme: Don't flush SVE register state when allocating SME storage
  arm64/signal: Flush FPSIMD register state when disabling streaming mode
  arm64/signal: Raise limit on stack frames
  arm64/cache: Fix cache_type_cwg() for register generation
  arm64/sysreg: Guard SYS_FIELD_ macros for asm
  arm64/sysreg: Directly include bitfield.h
  arm64: cacheinfo: Fix incorrect assignment of signed error value to unsigned fw_level
  arm64: errata: add detection for AMEVCNTR01 incrementing incorrectly
  arm64: fix rodata=full
  arm64: Fix comment typo
  docs/arm64: elf_hwcaps: unify newlines in HWCAP lists
  arm64: adjust KASLR relocation after ARCH_RANDOM removal
  arm64: Fix match_list for erratum 1286807 on Arm Cortex-A76
2022-08-26 11:32:53 -07:00
Mikulas Patocka
8238b45798 wait_on_bit: add an acquire memory barrier
There are several places in the kernel where wait_on_bit is not followed
by a memory barrier (for example, in drivers/md/dm-bufio.c:new_read).

On architectures with weak memory ordering, it may happen that memory
accesses that follow wait_on_bit are reordered before wait_on_bit and
they may return invalid data.

Fix this class of bugs by introducing a new function "test_bit_acquire"
that works like test_bit, but has acquire memory ordering semantics.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Acked-by: Will Deacon <will@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-08-26 09:30:25 -07:00
Linus Torvalds
4c612826be Including fixes from ipsec and netfilter (with one broken Fixes tag).
Current release - new code bugs:
 
  - dsa: don't dereference NULL extack in dsa_slave_changeupper()
 
  - dpaa: fix <1G ethernet on LS1046ARDB
 
  - neigh: don't call kfree_skb() under spin_lock_irqsave()
 
 Previous releases - regressions:
 
  - r8152: fix the RX FIFO settings when suspending
 
  - dsa: microchip: keep compatibility with device tree blobs with
    no phy-mode
 
  - Revert "net: macsec: update SCI upon MAC address change."
 
  - Revert "xfrm: update SA curlft.use_time", comply with RFC 2367
 
 Previous releases - always broken:
 
  - netfilter: conntrack: work around exceeded TCP receive window
 
  - ipsec: fix a null pointer dereference of dst->dev on a metadata
    dst in xfrm_lookup_with_ifid
 
  - moxa: get rid of asymmetry in DMA mapping/unmapping
 
  - dsa: microchip: make learning configurable and keep it off
    while standalone
 
  - ice: xsk: prohibit usage of non-balanced queue id
 
  - rxrpc: fix locking in rxrpc's sendmsg
 
 Misc:
 
  - another chunk of sysctl data race silencing
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from ipsec and netfilter (with one broken Fixes tag).

  Current release - new code bugs:

   - dsa: don't dereference NULL extack in dsa_slave_changeupper()

   - dpaa: fix <1G ethernet on LS1046ARDB

   - neigh: don't call kfree_skb() under spin_lock_irqsave()

  Previous releases - regressions:

   - r8152: fix the RX FIFO settings when suspending

   - dsa: microchip: keep compatibility with device tree blobs with no
     phy-mode

   - Revert "net: macsec: update SCI upon MAC address change."

   - Revert "xfrm: update SA curlft.use_time", comply with RFC 2367

  Previous releases - always broken:

   - netfilter: conntrack: work around exceeded TCP receive window

   - ipsec: fix a null pointer dereference of dst->dev on a metadata dst
     in xfrm_lookup_with_ifid

   - moxa: get rid of asymmetry in DMA mapping/unmapping

   - dsa: microchip: make learning configurable and keep it off while
     standalone

   - ice: xsk: prohibit usage of non-balanced queue id

   - rxrpc: fix locking in rxrpc's sendmsg

  Misc:

   - another chunk of sysctl data race silencing"

* tag 'net-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits)
  net: lantiq_xrx200: restore buffer if memory allocation failed
  net: lantiq_xrx200: fix lock under memory pressure
  net: lantiq_xrx200: confirm skb is allocated before using
  net: stmmac: work around sporadic tx issue on link-up
  ionic: VF initial random MAC address if no assigned mac
  ionic: fix up issues with handling EAGAIN on FW cmds
  ionic: clear broken state on generation change
  rxrpc: Fix locking in rxrpc's sendmsg
  net: ethernet: mtk_eth_soc: fix hw hash reporting for MTK_NETSYS_V2
  MAINTAINERS: rectify file entry in BONDING DRIVER
  i40e: Fix incorrect address type for IPv6 flow rules
  ixgbe: stop resetting SYSTIME in ixgbe_ptp_start_cyclecounter
  net: Fix a data-race around sysctl_somaxconn.
  net: Fix a data-race around netdev_unregister_timeout_secs.
  net: Fix a data-race around gro_normal_batch.
  net: Fix data-races around sysctl_devconf_inherit_init_net.
  net: Fix data-races around sysctl_fb_tunnels_only_for_init_net.
  net: Fix a data-race around netdev_budget_usecs.
  net: Fix data-races around sysctl_max_skb_frags.
  net: Fix a data-race around netdev_budget.
  ...
2022-08-25 14:03:58 -07:00
Salvatore Bonaccorso
00da0cb385 Documentation/ABI: Mention retbleed vulnerability info file for sysfs
While reporting for the AMD retbleed vulnerability was added in

  6b80b59b35 ("x86/bugs: Report AMD retbleed vulnerability")

the new sysfs file was not mentioned so far in the ABI documentation for
sysfs-devices-system-cpu. Fix that.

Fixes: 6b80b59b35 ("x86/bugs: Report AMD retbleed vulnerability")
Signed-off-by: Salvatore Bonaccorso <carnil@debian.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20220801091529.325327-1-carnil@debian.org
2022-08-25 15:55:02 +02:00
Kuniyuki Iwashima
5dcd08cd19 net: Fix data-races around netdev_max_backlog.
While reading netdev_max_backlog, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.

While at it, we remove the unnecessary spaces in the doc.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-08-24 13:46:57 +01:00
Ionela Voinescu
e89d120c4b arm64: errata: add detection for AMEVCNTR01 incrementing incorrectly
The AMU counter AMEVCNTR01 (constant counter) should increment at the same
rate as the system counter. On affected Cortex-A510 cores, AMEVCNTR01
increments incorrectly giving a significantly higher output value. This
results in inaccurate task scheduler utilization tracking and incorrect
feedback on CPU frequency.

Work around this problem by returning 0 when reading the affected counter
in key locations that results in disabling all users of this counter from
using it either for frequency invariance or as FFH reference counter. This
effect is the same to firmware disabling affected counters.

Details on how the two features are affected by this erratum:

 - AMU counters will not be used for frequency invariance for affected
   CPUs and CPUs in the same cpufreq policy. AMUs can still be used for
   frequency invariance for unaffected CPUs in the system. Although
   unlikely, if no alternative method can be found to support frequency
   invariance for affected CPUs (cpufreq based or solution based on
   platform counters) frequency invariance will be disabled. Please check
   the chapter on frequency invariance at
   Documentation/scheduler/sched-capacity.rst for details of its effect.

 - Given that FFH can be used to fetch either the core or constant counter
   values, restrictions are lifted regarding any of these counters
   returning a valid (!0) value. Therefore FFH is considered supported
   if there is a least one CPU that support AMUs, independent of any
   counters being disabled or affected by this erratum. Clarifying
   comments are now added to the cpc_ffh_supported(), cpu_read_constcnt()
   and cpu_read_corecnt() functions.

The above is achieved through adding a new erratum: ARM64_ERRATUM_2457168.

Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20220819103050.24211-1-ionela.voinescu@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
2022-08-23 11:06:48 +01:00
Mark Rutland
2e8cff0a0e arm64: fix rodata=full
On arm64, "rodata=full" has been suppored (but not documented) since
commit:

  c55191e96c ("arm64: mm: apply r/o permissions of VM areas to its linear alias as well")

As it's necessary to determine the rodata configuration early during
boot, arm64 has an early_param() handler for this, whereas init/main.c
has a __setup() handler which is run later.

Unfortunately, this split meant that since commit:

  f9a40b0890 ("init/main.c: return 1 from handled __setup() functions")

... passing "rodata=full" would result in a spurious warning from the
__setup() handler (though RO permissions would be configured
appropriately).

Further, "rodata=full" has been broken since commit:

  0d6ea3ac94 ("lib/kstrtox.c: add "false"/"true" support to kstrtobool()")

... which caused strtobool() to parse "full" as false (in addition to
many other values not documented for the "rodata=" kernel parameter.

This patch fixes this breakage by:

* Moving the core parameter parser to an __early_param(), such that it
  is available early.

* Adding an (optional) arch hook which arm64 can use to parse "full".

* Updating the documentation to mention that "full" is valid for arm64.

* Having the core parameter parser handle "on" and "off" explicitly,
  such that any undocumented values (e.g. typos such as "ful") are
  reported as errors rather than being silently accepted.

Note that __setup() and early_param() have opposite conventions for
their return values, where __setup() uses 1 to indicate a parameter was
handled and early_param() uses 0 to indicate a parameter was handled.

Fixes: f9a40b0890 ("init/main.c: return 1 from handled __setup() functions")
Fixes: 0d6ea3ac94 ("lib/kstrtox.c: add "false"/"true" support to kstrtobool()")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jagdish Gediya <jvgediya@linux.ibm.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Will Deacon <will@kernel.org>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220817154022.3974645-1-mark.rutland@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
2022-08-23 11:02:02 +01:00
Martin Liška
0b52f76351 docs/arm64: elf_hwcaps: unify newlines in HWCAP lists
Unify horizontal spacing (remove extra newlines) which
are sensitive to visual presentation by Sphinx.

Fixes: 5e64b862c4 ("arm64/sme: Basic enumeration support")
Signed-off-by: Martin Liska <mliska@suse.cz>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/84e3d6cc-75cf-d6f3-9bb8-be02075aaf6d@suse.cz
Signed-off-by: Will Deacon <will@kernel.org>
2022-08-23 10:38:39 +01:00
Nick Desaulniers
a0a12c3ed0 asm goto: eradicate CC_HAS_ASM_GOTO
GCC has supported asm goto since 4.5, and Clang has since version 9.0.0.
The minimum supported versions of these tools for the build according to
Documentation/process/changes.rst are 5.1 and 11.0.0 respectively.

Remove the feature detection script, Kconfig option, and clean up some
fallback code that is no longer supported.

The removed script was also testing for a GCC specific bug that was
fixed in the 4.7 release.

Also remove workarounds for bpftrace using clang older than 9.0.0, since
other BPF backend fixes are required at this point.

Link: https://lore.kernel.org/lkml/CAK7LNATSr=BXKfkdW8f-H5VT_w=xBpT2ZQcZ7rm6JfkdE+QnmA@mail.gmail.com/
Link: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48637
Acked-by: Borislav Petkov <bp@suse.de>
Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Suggested-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-08-21 10:06:28 -07:00
Linus Torvalds
adb67b373a drm fixes for 6.0-rc2
ttm:
 - NULL ptr dereference
 
 i915:
 - disable pci resize on 32-bit systems
 - don't leak the ccs state
 - TLB invalidation fixes
 
 nouveau:
 - GA103 enablement
 - off-by-one fix
 
 amdgpu:
 - Revert some DML stack changes
 - Rounding fixes in KFD allocations
 - atombios vram info table parsing fix
 - DCN 3.1.4 fixes
 - Clockgating fixes for various new IPs
 - SMU 13.0.4 fixes
 - DCN 3.1.4 FP fixes
 - TMDS fixes for YCbCr420 4k modes
 - DCN 3.2.x fixes
 - USB 4 fixes
 - SMU 13.0 fixes
 - SMU driver unload memory leak fixes
 - Display orientation fix
 - Regression fix for generic fbdev conversion
 - SDMA 6.x fixes
 - SR-IOV fixes
 - IH 6.x fixes
 - Use after free fix in bo list handling
 - Revert pipe1 support
 - XGMI hive reset fix
 
 amdkfd:
 - Fix potential crach in kfd_create_indirect_link_prop()
 
 imx:
 - warning fix
 
 meson:
 - refcounting fix
 
 lvds-codec:
 - error check fix
 
 sun4i:
 - underflow fix
 - dt-binding fix
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Merge tag 'drm-fixes-2022-08-19' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Regular weekly fixes.

  The nouveau patch just enables modesetting on GA103 hw which is like
  other ampere cards that are already supported. amdgpu has 2 weeks of
  fixes, as Alex was away, so a bit larger than usual, otherwise some
  i915 and misc other fixes.

  ttm:
   - NULL ptr dereference

  i915:
   - disable pci resize on 32-bit systems
   - don't leak the ccs state
   - TLB invalidation fixes

  nouveau:
   - GA103 enablement
   - off-by-one fix

  amdgpu:
   - Revert some DML stack changes
   - Rounding fixes in KFD allocations
   - atombios vram info table parsing fix
   - DCN 3.1.4 fixes
   - Clockgating fixes for various new IPs
   - SMU 13.0.4 fixes
   - DCN 3.1.4 FP fixes
   - TMDS fixes for YCbCr420 4k modes
   - DCN 3.2.x fixes
   - USB 4 fixes
   - SMU 13.0 fixes
   - SMU driver unload memory leak fixes
   - Display orientation fix
   - Regression fix for generic fbdev conversion
   - SDMA 6.x fixes
   - SR-IOV fixes
   - IH 6.x fixes
   - Use after free fix in bo list handling
   - Revert pipe1 support
   - XGMI hive reset fix

  amdkfd:
   - Fix potential crach in kfd_create_indirect_link_prop()

  imx:
   - warning fix

  meson:
   - refcounting fix

  lvds-codec:
   - error check fix

  sun4i:
   - underflow fix
   - dt-binding fix"

* tag 'drm-fixes-2022-08-19' of git://anongit.freedesktop.org/drm/drm: (109 commits)
  Revert "drm/amd/amdgpu: add pipe1 hardware support"
  drm/amdgpu: Fix use-after-free on amdgpu_bo_list mutex
  drm/amdgpu: Fix interrupt handling on ih_soft ring
  drm/amdgpu: Add secure display TA load for Renoir
  drm/amd/display: Include scaling factor for SubVP command
  drm/amdgpu/vcn: Return void from the stop_dbg_mode
  drm/amdgpu: remove useless condition in amdgpu_job_stop_all_jobs_on_sched()
  drm/amdgpu: Add decode_iv_ts helper for ih_v6 block
  drm/amd/display: add chip revision to DCN32
  drm/amd/display: avoid doing vm_init multiple time
  drm/amd/display: Use pitch when calculating size to cache in MALL
  drm/amd/display: Don't set DSC for phantom pipes
  drm/amd/display: Update clock table policy for DCN314
  drm/amd/display: Modify header inclusion pattern
  drm/amd/display: Fix plug/unplug external monitor will hang while playback MPO video
  drm/amd/display: Add debug parameter to retain default clock table
  drm/amdgpu: Increase tlb flush timeout for sriov
  drm/amd/display: do not compare integers of different widths
  drm/amd/display: Add reserved dc_log_type.
  drm/amd/display: Fix pixel clock programming
  ...
2022-08-19 09:39:32 -07:00
Linus Torvalds
4c2d0b039c Including fixes from netfilter.
Current release - regressions:
 
  - tcp: fix cleanup and leaks in tcp_read_skb() (the new way BPF
    socket maps get data out of the TCP stack)
 
  - tls: rx: react to strparser initialization errors
 
  - netfilter: nf_tables: fix scheduling-while-atomic splat
 
  - net: fix suspicious RCU usage in bpf_sk_reuseport_detach()
 
 Current release - new code bugs:
 
  - mlxsw: ptp: fix a couple of races, static checker warnings
    and error handling
 
 Previous releases - regressions:
 
  - netfilter:
    - nf_tables: fix possible module reference underflow in error path
    - make conntrack helpers deal with BIG TCP (skbs > 64kB)
    - nfnetlink: re-enable conntrack expectation events
 
  - net: fix potential refcount leak in ndisc_router_discovery()
 
 Previous releases - always broken:
 
  - sched: cls_route: disallow handle of 0
 
  - neigh: fix possible local DoS due to net iface start/stop loop
 
  - rtnetlink: fix module refcount leak in rtnetlink_rcv_msg
 
  - sched: fix adding qlen to qcpu->backlog in gnet_stats_add_queue_cpu
 
  - virtio_net: fix endian-ness for RSS
 
  - dsa: mv88e6060: prevent crash on an unused port
 
  - fec: fix timer capture timing in `fec_ptp_enable_pps()`
 
  - ocelot: stats: fix races, integer wrapping and reading incorrect
    registers (the change of register definitions here accounts for
    bulk of the changed LoC in this PR)
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from netfilter.

  Current release - regressions:

   - tcp: fix cleanup and leaks in tcp_read_skb() (the new way BPF
     socket maps get data out of the TCP stack)

   - tls: rx: react to strparser initialization errors

   - netfilter: nf_tables: fix scheduling-while-atomic splat

   - net: fix suspicious RCU usage in bpf_sk_reuseport_detach()

  Current release - new code bugs:

   - mlxsw: ptp: fix a couple of races, static checker warnings and
     error handling

  Previous releases - regressions:

   - netfilter:
      - nf_tables: fix possible module reference underflow in error path
      - make conntrack helpers deal with BIG TCP (skbs > 64kB)
      - nfnetlink: re-enable conntrack expectation events

   - net: fix potential refcount leak in ndisc_router_discovery()

  Previous releases - always broken:

   - sched: cls_route: disallow handle of 0

   - neigh: fix possible local DoS due to net iface start/stop loop

   - rtnetlink: fix module refcount leak in rtnetlink_rcv_msg

   - sched: fix adding qlen to qcpu->backlog in gnet_stats_add_queue_cpu

   - virtio_net: fix endian-ness for RSS

   - dsa: mv88e6060: prevent crash on an unused port

   - fec: fix timer capture timing in `fec_ptp_enable_pps()`

   - ocelot: stats: fix races, integer wrapping and reading incorrect
     registers (the change of register definitions here accounts for
     bulk of the changed LoC in this PR)"

* tag 'net-6.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (77 commits)
  net: moxa: MAC address reading, generating, validity checking
  tcp: handle pure FIN case correctly
  tcp: refactor tcp_read_skb() a bit
  tcp: fix tcp_cleanup_rbuf() for tcp_read_skb()
  tcp: fix sock skb accounting in tcp_read_skb()
  igb: Add lock to avoid data race
  dt-bindings: Fix incorrect "the the" corrections
  net: genl: fix error path memory leak in policy dumping
  stmmac: intel: Add a missing clk_disable_unprepare() call in intel_eth_pci_remove()
  net: ethernet: mtk_eth_soc: fix possible NULL pointer dereference in mtk_xdp_run
  net/mlx5e: Allocate flow steering storage during uplink initialization
  net: mscc: ocelot: report ndo_get_stats64 from the wraparound-resistant ocelot->stats
  net: mscc: ocelot: keep ocelot_stat_layout by reg address, not offset
  net: mscc: ocelot: make struct ocelot_stat_layout array indexable
  net: mscc: ocelot: fix race between ndo_get_stats64 and ocelot_check_stats_work
  net: mscc: ocelot: turn stats_lock into a spinlock
  net: mscc: ocelot: fix address of SYS_COUNT_TX_AGING counter
  net: mscc: ocelot: fix incorrect ndo_get_stats64 packet counters
  net: dsa: felix: fix ethtool 256-511 and 512-1023 TX packet counters
  net: dsa: don't warn in dsa_port_set_state_now() when driver doesn't support it
  ...
2022-08-18 19:37:15 -07:00
Linus Torvalds
0de277d44e Fixes for the RTLA tooling:
- Fix tracer name in comments and prints
 
 - Fix setting up symlinks
 
 - Allow extra flags to be set in build
 
 - Consolidate and show all necessary libraries not found in build error
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Merge tag 'trace-rtla-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull rtla tool fixes from Steven Rostedt:
 "Fixes for the Real-Time Linux Analysis tooling:

   - Fix tracer name in comments and prints

   - Fix setting up symlinks

   - Allow extra flags to be set in build

   - Consolidate and show all necessary libraries not found in build
     error"

* tag 'trace-rtla-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  rtla: Consolidate and show all necessary libraries that failed for building
  tools/rtla: Build with EXTRA_{C,LD}FLAGS
  tools/rtla: Fix command symlinks
  rtla: Fix tracer name
2022-08-18 19:18:28 -07:00
Geert Uytterhoeven
8aa48ade7d dt-bindings: Fix incorrect "the the" corrections
Lots of double occurrences of "the" were replaced by single occurrences,
but some of them should become "to the" instead.

Fixes: 12e5bde18d ("dt-bindings: Fix typo in comment")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/c5743c0a1a24b3a8893797b52fed88b99e56b04b.1660755148.git.geert+renesas@glider.be
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-18 10:59:33 -07:00
Pawan Gupta
7df548840c x86/bugs: Add "unknown" reporting for MMIO Stale Data
Older Intel CPUs that are not in the affected processor list for MMIO
Stale Data vulnerabilities currently report "Not affected" in sysfs,
which may not be correct. Vulnerability status for these older CPUs is
unknown.

Add known-not-affected CPUs to the whitelist. Report "unknown"
mitigation status for CPUs that are not in blacklist, whitelist and also
don't enumerate MSR ARCH_CAPABILITIES bits that reflect hardware
immunity to MMIO Stale Data vulnerabilities.

Mitigation is not deployed when the status is unknown.

  [ bp: Massage, fixup. ]

Fixes: 8d50cdf8b8 ("x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data")
Suggested-by: Andrew Cooper <andrew.cooper3@citrix.com>
Suggested-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/a932c154772f2121794a5f2eded1a11013114711.1657846269.git.pawan.kumar.gupta@linux.intel.com
2022-08-18 15:35:22 +02:00
Dave Airlie
2ae6ab9d82 One patch for imx/dcss to get rid of a warning message, one off-by-one
fix and GA103 support for nouveau, a refcounting fix for meson, a NULL
 pointer dereference fix for ttm, a error check fix for lvds-codec, a
 dt-binding schema fix and an underflow fix for sun4i
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Merge tag 'drm-misc-fixes-2022-08-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

One patch for imx/dcss to get rid of a warning message, one off-by-one
fix and GA103 support for nouveau, a refcounting fix for meson, a NULL
pointer dereference fix for ttm, a error check fix for lvds-codec, a
dt-binding schema fix and an underflow fix for sun4i

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220816094401.wtadc7ddr6lzq6aj@houat
2022-08-18 08:51:42 +10:00
Linus Torvalds
339800d50b spi: Fixes for v6.0
A few fixes that came in since my pull request, the Meson fix is a
 little large since it's fixing all possible cases of the problem that
 was observed with the driver and clock API trying to share configuration
 by integrating the device clocking fully with the clock API rather than
 spot fixing the one instance that was observed.
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Merge tag 'spi-fix-v6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A few fixes that came in since my pull request, the Meson fix is a
  little large since it's fixing all possible cases of the problem that
  was observed with the driver and clock API trying to share
  configuration by integrating the device clocking fully with the clock
  API rather than spot fixing the one instance that was observed"

* tag 'spi-fix-v6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: dt-bindings: Drop Pratyush Yadav
  spi: meson-spicc: add local pow2 clock ops to preserve rate between messages
  MAINTAINERS: rectify entry for ARM/HPE GXP ARCHITECTURE
  spi: spi.c: Add missing __percpu annotations in users of spi_statistics
2022-08-16 11:40:15 -07:00
Linus Torvalds
15df6486ae regulator: Fixes for v6.0
A couple of small fixes that came in since my pull request, nothing
 major here.
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Merge tag 'regulator-fix-v6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A couple of small fixes that came in since my pull request, nothing
  major here"

* tag 'regulator-fix-v6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: core: Fix missing error return from regulator_bulk_get()
  regulator: pca9450: Remove restrictions for regulator-name
2022-08-16 11:36:38 -07:00
Hector Martin
415d832497 locking/atomic: Make test_and_*_bit() ordered on failure
These operations are documented as always ordered in
include/asm-generic/bitops/instrumented-atomic.h, and producer-consumer
type use cases where one side needs to ensure a flag is left pending
after some shared data was updated rely on this ordering, even in the
failure case.

This is the case with the workqueue code, which currently suffers from a
reproducible ordering violation on Apple M1 platforms (which are
notoriously out-of-order) that ends up causing the TTY layer to fail to
deliver data to userspace properly under the right conditions.  This
change fixes that bug.

Change the documentation to restrict the "no order on failure" story to
the _lock() variant (for which it makes sense), and remove the
early-exit from the generic implementation, which is what causes the
missing barrier semantics in that case.  Without this, the remaining
atomic op is fully ordered (including on ARM64 LSE, as of recent
versions of the architecture spec).

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable@vger.kernel.org
Fixes: e986a0d6cb ("locking/atomics, asm-generic/bitops/atomic.h: Rewrite using atomic_*() APIs")
Fixes: 61e02392d3 ("locking/atomic/bitops: Document and clarify ordering semantics for failed test_and_{}_bit()")
Signed-off-by: Hector Martin <marcan@marcan.st>
Acked-by: Will Deacon <will@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-08-16 09:19:43 -07:00
Daniel Lezcano
8c59632423 dt-bindings: thermal: Fix missing required property
When the thermal zone description was converted to yaml schema, the
required 'trips' property was forgotten.

The initial text bindings was describing:

"
[ ... ]

* Thermal zone nodes

The thermal zone node is the node containing all the required info
for describing a thermal zone, including its cooling device bindings. The
thermal zone node must contain, apart from its own properties, one sub-node
containing trip nodes and one sub-node containing all the zone cooling maps.

Required properties:
- polling-delay:        The maximum number of milliseconds to wait between polls
  Type: unsigned        when checking this thermal zone.
  Size: one cell

- polling-delay-passive: The maximum number of milliseconds to wait
  Type: unsigned        between polls when performing passive cooling.
  Size: one cell

- thermal-sensors:      A list of thermal sensor phandles and sensor specifier
  Type: list of         used while monitoring the thermal zone.
  phandles + sensor
  specifier

- trips:                A sub-node which is a container of only trip point nodes
  Type: sub-node        required to describe the thermal zone.

Optional property:
- cooling-maps:         A sub-node which is a container of only cooling device
  Type: sub-node        map nodes, used to describe the relation between trips
                        and cooling devices.
  [ ... ]

"

Now the schema describes:

"
    [ ... ]

    required:
      - polling-delay
      - polling-delay-passive
      - thermal-sensors

    [ ... ]
"

Add the missing 'trips' property in the required properties.

Fixed: 1202a442a3 ("dt-bindings: thermal: Add yaml bindings for thermal zones")
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220809085629.509116-3-daniel.lezcano@linaro.org
2022-08-15 20:38:40 +02:00
Samuel Holland
2a29f80e15
dt-bindings: display: sun4i: Add D1 TCONs to conditionals
When adding the D1 TCON bindings, I missed the conditional blocks that
restrict the binding for TCON LCD vs TCON TV hardware. Add the D1 TCON
variants to the appropriate blocks for DE2 TCON LCDs and TCON TVs.

Fixes: ae5a5d26c1 ("dt-bindings: display: Add D1 display engine compatibles")
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20220812073702.57618-1-samuel@sholland.org
2022-08-15 09:09:43 +02:00
Linus Torvalds
5d6a0f4da9 xen: branch for v6.0-rc1b
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Merge tag 'for-linus-6.0-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull more xen updates from Juergen Gross:

 - fix the handling of the "persistent grants" feature negotiation
   between Xen blkfront and Xen blkback drivers

 - a cleanup of xen.config and adding xen.config to Xen section in
   MAINTAINERS

 - support HVMOP_set_evtchn_upcall_vector, which is more compliant to
   "normal" interrupt handling than the global callback used up to now

 - further small cleanups

* tag 'for-linus-6.0-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  MAINTAINERS: add xen config fragments to XEN HYPERVISOR sections
  xen: remove XEN_SCRUB_PAGES in xen.config
  xen/pciback: Fix comment typo
  xen/xenbus: fix return type in xenbus_file_read()
  xen-blkfront: Apply 'feature_persistent' parameter when connect
  xen-blkback: Apply 'feature_persistent' parameter when connect
  xen-blkback: fix persistent grants negotiation
  x86/xen: Add support for HVMOP_set_evtchn_upcall_vector
2022-08-14 09:28:54 -07:00
Linus Torvalds
c5f1e32e32 Fix the "IBPB mitigated RETBleed" mode of operation on AMD CPUs
(not turned on by default), which also need STIBP enabled (if
 available) to be '100% safe' on even the shortest speculation
 windows.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Ingo Molnar:
 "Fix the 'IBPB mitigated RETBleed' mode of operation on AMD CPUs (not
  turned on by default), which also need STIBP enabled (if available) to
  be '100% safe' on even the shortest speculation windows"

* tag 'x86-urgent-2022-08-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/bugs: Enable STIBP for IBPB mitigated RETBleed
2022-08-13 14:24:12 -07:00
Linus Torvalds
0473436195 * two driver fixes for issues introduced this cycle
* one trivial driver improvement regarding ACPI
 * more DTS conversion and additions
 * documentation updates
 * subsystem-wide move from strlcpy to strscpy
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Merge tag 'i2c-for-5.20-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull more i2c updates from Wolfram Sang:

 - two driver fixes for issues introduced this cycle

 - one trivial driver improvement regarding ACPI

 - more DTS conversion and additions

 - documentation updates

 - subsystem-wide move from strlcpy to strscpy

* tag 'i2c-for-5.20-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  docs: i2c: i2c-sysfs: fix hyperlinks
  docs: i2c: i2c-sysfs: improve wording
  docs: i2c: instantiating-devices: add syntax coloring to dts and C blocks
  docs: i2c: smbus-protocol: improve DataLow/DataHigh definition
  docs: i2c: i2c-protocol: remove unused legend items
  docs: i2c: i2c-protocol,smbus-protocol: remove nonsense words
  docs: i2c: i2c-protocol: update introductory paragraph
  i2c: move core from strlcpy to strscpy
  i2c: move drivers from strlcpy to strscpy
  i2c: kempld: Support ACPI I2C device declaration
  i2c: mediatek: add i2c compatible for MT8188
  dt-bindings: i2c: update bindings for mt8188 soc
  i2c: microchip-corei2c: fix erroneous late ack send
  dt-bindings: i2c: qcom,i2c-cci: convert to dtschema
  i2c: qcom-geni: Fix GPI DMA buffer sync-back
2022-08-13 14:06:08 -07:00
Linus Torvalds
a976835fdb Fix of heap data and clang warnings, support for a new Intel NTB device,
and NTB EndPoint Function (EPF) support and the various fixes from that
 being in -next for Linux v5.20
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Merge tag 'ntb-5.20' of https://github.com/jonmason/ntb

Pull NTB updates from Jon Mason:
 "Non-Transparent Bridge updates.

  Fix of heap data and clang warnings, support for a new Intel NTB
  device, and NTB EndPoint Function (EPF) support and the various fixes
  for that"

* tag 'ntb-5.20' of https://github.com/jonmason/ntb:
  MAINTAINERS: add PCI Endpoint NTB drivers to NTB files
  NTB: EPF: Tidy up some bounds checks
  NTB: EPF: Fix error code in epf_ntb_bind()
  PCI: endpoint: pci-epf-vntb: reduce several globals to statics
  PCI: endpoint: pci-epf-vntb: fix error handle in epf_ntb_mw_bar_init()
  PCI: endpoint: Fix Kconfig dependency
  NTB: EPF: set pointer addr to null using NULL rather than 0
  Documentation: PCI: extend subheading underline for "lspci output" section
  Documentation: PCI: Use code-block block for scratchpad registers diagram
  Documentation: PCI: Add specification for the PCI vNTB function device
  PCI: endpoint: Support NTB transfer between RC and EP
  NTB: epf: Allow more flexibility in the memory BAR map method
  PCI: designware-ep: Allow pci_epc_set_bar() update inbound map address
  ntb: intel: add GNR support for Intel PCIe gen5 NTB
  NTB: ntb_tool: uninitialized heap data in tool_fn_write()
  ntb: idt: fix clang -Wformat warnings
2022-08-13 14:00:45 -07:00
Linus Torvalds
69dac8e431 RISC-V Patches for the 5.20 Merge Window, Part 2
There's still a handful of new features in here, but there are a lot of
 fixes/cleanups as well:
 
 * Support for the Zicbom for explicit cache-block management, along with
   the necessary bits to make the non-standard cache management ops on
   the Allwinner D1 function.
 * Support for the Zihintpause extension, which codifies a go-slow
   instruction used for cpu_relax().
 * Support for the Sstc extension for supervisor-mode timer/counter
   management.
 * Many device tree fixes and cleanups, including a large set for the
   Canaan device trees.
 * A handful of fixes and cleanups for the PMU driver.
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Merge tag 'riscv-for-linus-5.20-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull more RISC-V updates from Palmer Dabbelt:
 "There's still a handful of new features in here, but there are a lot
  of fixes/cleanups as well:

   - Support for the Zicbom extension for explicit cache-block
     management, along with the necessary bits to make the non-standard
     cache management ops on the Allwinner D1 function

   - Support for the Zihintpause extension, which codifies a go-slow
     instruction used for cpu_relax()

   - Support for the Sstc extension for supervisor-mode timer/counter
     management

   - Many device tree fixes and cleanups, including a large set for the
     Canaan device trees

   - A handful of fixes and cleanups for the PMU driver"

* tag 'riscv-for-linus-5.20-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (43 commits)
  dt-bindings: gpio: sifive: add gpio-line-names
  wireguard: selftests: set CONFIG_NONPORTABLE on riscv32
  RISC-V: KVM: Support sstc extension
  RISC-V: Improve SBI definitions
  RISC-V: Move counter info definition to sbi header file
  RISC-V: Fix SBI PMU calls for RV32
  RISC-V: Update user page mapping only once during start
  RISC-V: Fix counter restart during overflow for RV32
  RISC-V: Prefer sstc extension if available
  RISC-V: Enable sstc extension parsing from DT
  RISC-V: Add SSTC extension CSR details
  riscv:uprobe fix SR_SPIE set/clear handling
  dt-bindings: riscv: fix SiFive l2-cache's cache-sets
  riscv: ensure cpu_ops_sbi is declared
  RISC-V: cpu_ops_spinwait.c should include head.h
  RISC-V: Declare cpu_ops_spinwait in <asm/cpu_ops.h>
  riscv: dts: starfive: correct number of external interrupts
  riscv: dts: sifive unmatched: Add PWM controlled LEDs
  riscv/purgatory: Omit use of bin2c
  riscv/purgatory: hard-code obj-y in Makefile
  ...
2022-08-12 18:39:43 -07:00
Linus Torvalds
6c833c0581 Devicetree fixes for v6.0, take 1:
- Fix schema warnings in qcom,ipq6018-pinctrl and sdhci-msm
 
 - Convert Qualcomm SPMI PMIC to DT schema
 
 - Make secure interrupt optional for arm,mhu
 
 - Fix google,cros-ec-typec binding allowed properties
 
 - Update a bunch of bouncing email addresses
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Merge tag 'devicetree-fixes-for-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Fix schema warnings in qcom,ipq6018-pinctrl and sdhci-msm

 - Convert Qualcomm SPMI PMIC to DT schema

 - Make secure interrupt optional for arm,mhu

 - Fix google,cros-ec-typec binding allowed properties

 - Update a bunch of bouncing email addresses

* tag 'devicetree-fixes-for-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: chrome: google,cros-ec-typec: restrict allowed properties
  dt-bindings: Drop Dan Murphy and Ricardo Rivera-Matos
  dt-bindings: Drop Robert Jones
  dt-bindings: Drop Beniamin Bia and Stefan Popa
  dt-bindings: iio: Drop Bogdan Pricop
  dt-bindings: iio: Drop Joachim Eastwood
  dt-bindings: mailbox: arm,mhu: Make secure interrupt optional
  dt-bindings: pinctrl: qcom,ipq6018: Fix example 'gpio-ranges' size
  dt-bindings: Drop DT_MK_SCHEMA_FLAGS conditional selecting schema files
  dt-bindings: mfd: convert to yaml Qualcomm SPMI PMIC
  dt-bindings: mmc: sdhci-msm: Fix 'operating-points-v2 was unexpected' issue
  dt-bindings: display: simple-framebuffer: Drop Bartlomiej Zolnierkiewicz
2022-08-12 18:23:52 -07:00
Linus Torvalds
3d076fec5a RTC for 6.0
New drivers:
  - Microchip PolarFire
  - Nuvoton NCT3018Y
  - TI K3 RTC
 
 Subsystem:
  - Replace flush_scheduled_work() with flush_work()
  - Remove deprecated ida_simple_get()/ida_simple_remove() calls
 
 Drivers:
  - use simple i2c probe where possible
  - sun6i: add R329 support
  - zynqmp: add calibration support
  - vr41xx: remove unused driver
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Merge tag 'rtc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "New drivers:
   - Microchip PolarFire
   - Nuvoton NCT3018Y
   - TI K3 RTC

  Subsystem:
   - Replace flush_scheduled_work() with flush_work()
   - Remove deprecated ida_simple_get()/ida_simple_remove() calls

  Drivers:
   - use simple i2c probe where possible
   - sun6i: add R329 support
   - zynqmp: add calibration support
   - vr41xx: remove unused driver"

* tag 'rtc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (31 commits)
  rtc: spear: set range max
  rtc: rtc-cmos: Do not check ACPI_FADT_LOW_POWER_S0
  rtc: zynqmp: initialize fract_tick
  rtc: Add NCT3018Y real time clock driver
  dt-bindings: rtc: nuvoton: add NCT3018Y Real Time Clock
  dt-bindings: rtc: nxp,pcf85063: Convert to DT schema
  dt-bindings: rtc: microcrystal,rv3032: Add missing type to 'trickle-voltage-millivolt'
  rtc: rx8025: fix 12/24 hour mode detection on RX-8035
  rtc: cros-ec: Only warn once in .remove() about notifier_chain problems
  rtc: vr41xx: remove driver
  rtc: mpfs: remove 'pending' variable from mpfs_rtc_wakeup_irq_handler()
  rtc: rv8803: fix missing unlock on error in rv8803_set_time()
  rtc: zynqmp: Add calibration set and get support
  rtc: zynqmp: Updated calibration value
  dt-bindings: rtc: zynqmp: Add clock information
  rtc: sun6i: add support for R329 RTC
  rtc: Directly use ida_alloc()/free()
  rtc: Introduce ti-k3-rtc
  dt-bindings: rtc: Add TI K3 RTC description
  dt-bindings: rtc: qcom-pm8xxx-rtc: Update the maintainers section
  ...
2022-08-12 18:17:42 -07:00
Krzysztof Kozlowski
8f426582e0 dt-bindings: chrome: google,cros-ec-typec: restrict allowed properties
Describe exactly what properties are allowed in Google Chrome OS EC Type
C port, so the schema can properly validate the DTS.  Existing DTS
defines always connectors with unit addresses, not a sole "connector"
child.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220811062245.4316-1-krzysztof.kozlowski@linaro.org
2022-08-12 11:13:32 -06:00
Krzysztof Kozlowski
07d1caa4c2 dt-bindings: Drop Dan Murphy and Ricardo Rivera-Matos
Emails to Dan Murphy and Ricardo Rivera-Matos bounce ("550 Invalid
recipient").  Andrew Davis agreed to take over the bindings.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Andrew Davis <afd@ti.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220809162752.10186-6-krzysztof.kozlowski@linaro.org
2022-08-12 11:13:32 -06:00
Krzysztof Kozlowski
3156c50fda dt-bindings: Drop Robert Jones
Emails to Robert Jones bounce ("550 5.2.1 The email account that you
tried to reach is disabled").

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Lee Jones <lee@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220809162752.10186-5-krzysztof.kozlowski@linaro.org
2022-08-12 11:13:32 -06:00
Krzysztof Kozlowski
2e645db3bc dt-bindings: Drop Beniamin Bia and Stefan Popa
Emails to Beniamin Bia and Stefan Popa bounce ("550 5.1.10
RESOLVER.ADR.RecipientNotFound; Recipient not found by SMTP address
lookup").

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220809162752.10186-4-krzysztof.kozlowski@linaro.org
2022-08-12 11:13:32 -06:00
Krzysztof Kozlowski
691b0d5519 dt-bindings: iio: Drop Bogdan Pricop
Emails to Bogdan Pricop bounce ("550 5.4.1 Recipient address rejected:
Access denied. AS(201806281)").

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220809162752.10186-3-krzysztof.kozlowski@linaro.org
2022-08-12 11:13:32 -06:00
Krzysztof Kozlowski
dc72768ebf dt-bindings: iio: Drop Joachim Eastwood
Emails to Joachim Eastwood bounce ("552 5.2.2 The email account that you
tried to reach is over quota and inactive.").

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220809162752.10186-2-krzysztof.kozlowski@linaro.org
2022-08-12 11:13:32 -06:00
Linus Torvalds
7a53e17acc virtio: fatures, fixes
A huge patchset supporting vq resize using the
 new vq reset capability.
 Features, fixes, cleanups all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:

 - A huge patchset supporting vq resize using the new vq reset
   capability

 - Features, fixes, and cleanups all over the place

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (88 commits)
  vdpa/mlx5: Fix possible uninitialized return value
  vdpa_sim_blk: add support for discard and write-zeroes
  vdpa_sim_blk: add support for VIRTIO_BLK_T_FLUSH
  vdpa_sim_blk: make vdpasim_blk_check_range usable by other requests
  vdpa_sim_blk: check if sector is 0 for commands other than read or write
  vdpa_sim: Implement suspend vdpa op
  vhost-vdpa: uAPI to suspend the device
  vhost-vdpa: introduce SUSPEND backend feature bit
  vdpa: Add suspend operation
  virtio-blk: Avoid use-after-free on suspend/resume
  virtio_vdpa: support the arg sizes of find_vqs()
  vhost-vdpa: Call ida_simple_remove() when failed
  vDPA: fix 'cast to restricted le16' warnings in vdpa.c
  vDPA: !FEATURES_OK should not block querying device config space
  vDPA/ifcvf: support userspace to query features and MQ of a management device
  vDPA/ifcvf: get_config_size should return a value no greater than dev implementation
  vhost scsi: Allow user to control num virtqueues
  vhost-scsi: Fix max number of virtqueues
  vdpa/mlx5: Support different address spaces for control and data
  vdpa/mlx5: Implement susupend virtqueue callback
  ...
2022-08-12 09:50:34 -07:00
Linus Torvalds
999324f58c LoongArch changes for v5.20
1, Optimise getcpu() with vDSO;
 2, PCI enablement on top of pci & irqchip changes;
 3, Stack unwinder and stack trace support;
 4, Some bug fixes and build error fixes;
 5, Update the default config file.
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Merge tag 'loongarch-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch updates from Huacai Chen:

 - Optimise getcpu() with vDSO

 - PCI enablement on top of pci & irqchip changes

 - Stack unwinder and stack trace support

 - Some bug fixes and build error fixes

 - Update the default config file

* tag 'loongarch-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  docs/zh_CN/LoongArch: Add I14 description
  docs/LoongArch: Add I14 description
  LoongArch: Update Loongson-3 default config file
  LoongArch: Add USER_STACKTRACE support
  LoongArch: Add STACKTRACE support
  LoongArch: Add prologue unwinder support
  LoongArch: Add guess unwinder support
  LoongArch: Add vDSO syscall __vdso_getcpu()
  LoongArch: Add PCI controller support
  LoongArch: Parse MADT to get multi-processor information
  LoongArch: Jump to the link address before enable PG
  LoongArch: Requires __force attributes for any casts
  LoongArch: Fix unsigned comparison with less than zero
  LoongArch: Adjust arch/loongarch/Kconfig
  LoongArch: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK
2022-08-12 09:44:23 -07:00