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1072202 commits

Author SHA1 Message Date
Christoph Hellwig
f5ff79fddf dma-mapping: remove CONFIG_DMA_REMAP
CONFIG_DMA_REMAP is used to build a few helpers around the core
vmalloc code, and to use them in case there is a highmem page in
dma-direct, and to make dma coherent allocations be able to use
non-contiguous pages allocations for DMA allocations in the dma-iommu
layer.

Right now it needs to be explicitly selected by architectures, and
is only done so by architectures that require remapping to deal
with devices that are not DMA coherent.  Make it unconditional for
builds with CONFIG_MMU as it is very little extra code, but makes
it much more likely that large DMA allocations succeed on x86.

This fixes hot plugging a NVMe thunderbolt SSD for me, which tries
to allocate a 1MB buffer that is otherwise hard to obtain due to
memory fragmentation on a heavily used laptop.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
2022-03-03 14:00:57 +03:00
Christophe JAILLET
fba09099c6 media: v4l2-pci-skeleton: Remove usage of the deprecated "pci-dma-compat.h" API
In [1], Christoph Hellwig has proposed to remove the wrappers in
include/linux/pci-dma-compat.h.

Some reasons why this API should be removed have been given by Julia
Lawall in [2].

A coccinelle script has been used to perform the needed transformation.
It can be found in [3].

[1]: https://lore.kernel.org/kernel-janitors/20200421081257.GA131897@infradead.org/
[2]: https://lore.kernel.org/kernel-janitors/alpine.DEB.2.22.394.2007120902170.2424@hadrien/
[3]: https://lore.kernel.org/kernel-janitors/20200716192821.321233-1-christophe.jaillet@wanadoo.fr/

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-02-25 17:19:21 +01:00
Christophe JAILLET
8c155674d9 rapidio/tsi721: Remove usage of the deprecated "pci-dma-compat.h" API
In [1], Christoph Hellwig has proposed to remove the wrappers in
include/linux/pci-dma-compat.h.

Some reasons why this API should be removed have been given by Julia
Lawall in [2].

A coccinelle script has been used to perform the needed transformation.
It can be found in [3].

[1]: https://lore.kernel.org/kernel-janitors/20200421081257.GA131897@infradead.org/
[2]: https://lore.kernel.org/kernel-janitors/alpine.DEB.2.22.394.2007120902170.2424@hadrien/
[3]: https://lore.kernel.org/kernel-janitors/20200716192821.321233-1-christophe.jaillet@wanadoo.fr/

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-02-25 17:19:21 +01:00
Christophe JAILLET
0fb3436b4b sparc: Remove usage of the deprecated "pci-dma-compat.h" API
In [1], Christoph Hellwig has proposed to remove the wrappers in
include/linux/pci-dma-compat.h.

Some reasons why this API should be removed have been given by Julia
Lawall in [2].

A coccinelle script has been used to perform the needed transformation.
It can be found in [3].

[1]: https://lore.kernel.org/kernel-janitors/20200421081257.GA131897@infradead.org/
[2]: https://lore.kernel.org/kernel-janitors/alpine.DEB.2.22.394.2007120902170.2424@hadrien/
[3]: https://lore.kernel.org/kernel-janitors/20200716192821.321233-1-christophe.jaillet@wanadoo.fr/

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-02-25 17:19:21 +01:00
Christophe JAILLET
ffecba83be agp/intel: Remove usage of the deprecated "pci-dma-compat.h" API
In [1], Christoph Hellwig has proposed to remove the wrappers in
include/linux/pci-dma-compat.h.

Some reasons why this API should be removed have been given by Julia
Lawall in [2].

A coccinelle script has been used to perform the needed transformation.
It can be found in [3].

[1]: https://lore.kernel.org/kernel-janitors/20200421081257.GA131897@infradead.org/
[2]: https://lore.kernel.org/kernel-janitors/alpine.DEB.2.22.394.2007120902170.2424@hadrien/
[3]: https://lore.kernel.org/kernel-janitors/20200716192821.321233-1-christophe.jaillet@wanadoo.fr/

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-02-25 17:19:21 +01:00
Christophe JAILLET
06cc5cf165 alpha: Remove usage of the deprecated "pci-dma-compat.h" API
In [1], Christoph Hellwig has proposed to remove the wrappers in
include/linux/pci-dma-compat.h.

Some reasons why this API should be removed have been given by Julia
Lawall in [2].

A coccinelle script has been used to perform the needed transformation.
It can be found in [3].

[1]: https://lore.kernel.org/kernel-janitors/20200421081257.GA131897@infradead.org/
[2]: https://lore.kernel.org/kernel-janitors/alpine.DEB.2.22.394.2007120902170.2424@hadrien/
[3]: https://lore.kernel.org/kernel-janitors/20200716192821.321233-1-christophe.jaillet@wanadoo.fr/

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-02-25 17:19:20 +01:00
Xiang Chen
e62c17f045 MAINTAINERS: update maintainer list of DMA MAPPING BENCHMARK
Barry Song will not focus on this area, and Xiang Chen will continue his
work to maintain this module.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Acked-by: Barry Song <song.bao.hua@hisilicon.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-02-10 08:29:25 +01:00
Robin Murphy
404f9373c4 swiotlb: simplify array allocation
Prefer kcalloc() to kzalloc(array_size()) for allocating an array.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-01-26 17:21:19 +01:00
Robin Murphy
c0a4191c27 swiotlb: tidy up includes
SWIOTLB's includes have become a great big mess. Restore some order by
consolidating the random different blocks, sorting alphabetically, and
purging some clearly unnecessary entries - linux/io.h is now included
unconditionally, so need not be duplicated in the restricted DMA pool
case; similarly, linux/io.h subsumes asm/io.h; and by now it's a
mystery why asm/dma.h was ever here at all.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-01-26 17:21:15 +01:00
Robin Murphy
35265899ac swiotlb: simplify debugfs setup
Debugfs functions are already stubbed out for !CONFIG_DEBUG_FS, so we
can remove most of the #ifdefs, just keeping one to manually optimise
away the initcall when it would do nothing. We can also simplify the
code itself by factoring out the directory creation and realising that
the global io_tlb_default_mem now makes debugfs_dir redundant.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-01-26 17:21:12 +01:00
Kirill A. Shutemov
dfcf2e017f swiotlb: do not zero buffer in set_memory_decrypted()
For larger TDX VM, memset() after set_memory_decrypted() in
swiotlb_update_mem_attributes() takes substantial portion of boot time.

Zeroing doesn't serve any functional purpose. Malicious VMM can mess
with decrypted/shared buffer at any point.

Remove the memset().

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2022-01-26 17:05:54 +01:00
Linus Torvalds
0280e3c58f NFS Client Updates for Linux 5.17
- New Features:
   - Basic handling for case insensitive filesystems
   - Initial support for fs_locations and server trunking
 
 - Bugfixes and Cleanups:
   - Cleanups to how the "struct cred *" is handled for the nfs_access_entry
   - Ensure the server has an up to date ctimes before hardlinking or renaming
   - Update 'blocks used' after writeback, fallocate, and clone
   - nfs_atomic_open() fixes
   - Improvements to sunrpc tracing
   - Various null check & indenting related cleanups
   - Some improvements to the sunrpc sysfs code
     - Use default_groups in kobj_type
     - Fix some potential races and reference leaks
   - A few tracepoint cleanups in xprtrdma
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Merge tag 'nfs-for-5.17-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client updates from Anna Schumaker:
 "New Features:

   - Basic handling for case insensitive filesystems

   - Initial support for fs_locations and server trunking

  Bugfixes and Cleanups:

   - Cleanups to how the "struct cred *" is handled for the
     nfs_access_entry

   - Ensure the server has an up to date ctimes before hardlinking or
     renaming

   - Update 'blocks used' after writeback, fallocate, and clone

   - nfs_atomic_open() fixes

   - Improvements to sunrpc tracing

   - Various null check & indenting related cleanups

   - Some improvements to the sunrpc sysfs code:
      - Use default_groups in kobj_type
      - Fix some potential races and reference leaks

   - A few tracepoint cleanups in xprtrdma"

[ This should have gone in during the merge window, but didn't. The
  original pull request - sent during the merge window - had gotten
  marked as spam and discarded due missing DKIM headers in the email
  from Anna.   - Linus ]

* tag 'nfs-for-5.17-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (35 commits)
  SUNRPC: Don't dereference xprt->snd_task if it's a cookie
  xprtrdma: Remove definitions of RPCDBG_FACILITY
  xprtrdma: Remove final dprintk call sites from xprtrdma
  sunrpc: Fix potential race conditions in rpc_sysfs_xprt_state_change()
  net/sunrpc: fix reference count leaks in rpc_sysfs_xprt_state_change
  NFSv4.1 test and add 4.1 trunking transport
  SUNRPC allow for unspecified transport time in rpc_clnt_add_xprt
  NFSv4 handle port presence in fs_location server string
  NFSv4 expose nfs_parse_server_name function
  NFSv4.1 query for fs_location attr on a new file system
  NFSv4 store server support for fs_location attribute
  NFSv4 remove zero number of fs_locations entries error check
  NFSv4: nfs_atomic_open() can race when looking up a non-regular file
  NFSv4: Handle case where the lookup of a directory fails
  NFSv42: Fallocate and clone should also request 'blocks used'
  NFSv4: Allow writebacks to request 'blocks used'
  SUNRPC: use default_groups in kobj_type
  NFS: use default_groups in kobj_type
  NFS: Fix the verifier for case sensitive filesystem in nfs_atomic_open()
  NFS: Add a helper to remove case-insensitive aliases
  ...
2022-01-25 20:16:03 +02:00
Tvrtko Ursulin
7938d61591 drm/i915: Flush TLBs before releasing backing store
We need to flush TLBs before releasing backing store otherwise userspace
is able to encounter stale entries if a) it is not declaring access to
certain buffers and b) it races with the backing store release from a
such undeclared execution already executing on the GPU in parallel.

The approach taken is to mark any buffer objects which were ever bound
to the GPU and to trigger a serialized TLB flush when their backing
store is released.

Alternatively the flushing could be done on VMA unbind, at which point
we would be able to ascertain whether there is potential a parallel GPU
execution (which could race), but essentially it boils down to paying
the cost of TLB flushes potentially needlessly at VMA unbind time (when
the backing store is not known to be going away so not needed for
safety), versus potentially needlessly at backing store relase time
(since we at that point cannot tell whether there is anything executing
on the GPU which uses that object).

Thereforce simplicity of implementation has been chosen for now with
scope to benchmark and refine later as required.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reported-by: Sushma Venkatesh Reddy <sushma.venkatesh.reddy@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Dave Airlie <airlied@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jon Bloomfield <jon.bloomfield@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-01-25 20:06:06 +02:00
Linus Torvalds
49d766f3a0 for-5.17-rc1-tag
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Merge tag 'for-5.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "Several fixes for defragmentation that got broken in 5.16 after
  refactoring and added subpage support. The observed bugs are excessive
  IO or uninterruptible ioctl.

  All stable material"

* tag 'for-5.17-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: update writeback index when starting defrag
  btrfs: add back missing dirty page rate limiting to defrag
  btrfs: fix deadlock when reserving space during defrag
  btrfs: defrag: properly update range->start for autodefrag
  btrfs: defrag: fix wrong number of defragged sectors
  btrfs: allow defrag to be interruptible
  btrfs: fix too long loop when defragging a 1 byte file
2022-01-25 18:29:10 +02:00
Linus Torvalds
a08b41ab9e ARM fixes for 5.17-rc:
- Fix panic whe both KASAN and KPROBEs are enabled
 - Avoid alignment faults in copy_*_kernel_nofault()
 - Align SMP alternatives in modules
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM fixes from Russell King:

 - Fix panic whe both KASAN and KPROBEs are enabled

 - Avoid alignment faults in copy_*_kernel_nofault()

 - Align SMP alternatives in modules

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9180/1: Thumb2: align ALT_UP() sections in modules sufficiently
  ARM: 9179/1: uaccess: avoid alignment faults in copy_[from|to]_kernel_nofault
  ARM: 9170/1: fix panic when kasan and kprobe are enabled
2022-01-25 08:02:46 +02:00
Filipe Manana
27cdfde181 btrfs: update writeback index when starting defrag
When starting a defrag, we should update the writeback index of the
inode's mapping in case it currently has a value beyond the start of the
range we are defragging. This can help performance and often result in
getting less extents after writeback - for e.g., if the current value
of the writeback index sits somewhere in the middle of a range that
gets dirty by the defrag, then after writeback we can get two smaller
extents instead of a single, larger extent.

We used to have this before the refactoring in 5.16, but it was removed
without any reason to do so. Originally it was added in kernel 3.1, by
commit 2a0f7f5769 ("Btrfs: fix recursive auto-defrag"), in order to
fix a loop with autodefrag resulting in dirtying and writing pages over
and over, but some testing on current code did not show that happening,
at least with the test described in that commit.

So add back the behaviour, as at the very least it is a nice to have
optimization.

Fixes: 7b508037d4 ("btrfs: defrag: use defrag_one_cluster() to implement btrfs_defrag_file()")
CC: stable@vger.kernel.org # 5.16
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2022-01-24 18:16:28 +01:00
Filipe Manana
3c9d31c715 btrfs: add back missing dirty page rate limiting to defrag
A defrag operation can dirty a lot of pages, specially if operating on
the entire file or a large file range. Any task dirtying pages should
periodically call balance_dirty_pages_ratelimited(), as stated in that
function's comments, otherwise they can leave too many dirty pages in
the system. This is what we did before the refactoring in 5.16, and
it should have remained, just like in the buffered write path and
relocation. So restore that behaviour.

Fixes: 7b508037d4 ("btrfs: defrag: use defrag_one_cluster() to implement btrfs_defrag_file()")
CC: stable@vger.kernel.org # 5.16
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2022-01-24 18:10:56 +01:00
Filipe Manana
0cb5950f3f btrfs: fix deadlock when reserving space during defrag
When defragging we can end up collecting a range for defrag that has
already pages under delalloc (dirty), as long as the respective extent
map for their range is not mapped to a hole, a prealloc extent or
the extent map is from an old generation.

Most of the time that is harmless from a functional perspective at
least, however it can result in a deadlock:

1) At defrag_collect_targets() we find an extent map that meets all
   requirements but there's delalloc for the range it covers, and we add
   its range to list of ranges to defrag;

2) The defrag_collect_targets() function is called at defrag_one_range(),
   after it locked a range that overlaps the range of the extent map;

3) At defrag_one_range(), while the range is still locked, we call
   defrag_one_locked_target() for the range associated to the extent
   map we collected at step 1);

4) Then finally at defrag_one_locked_target() we do a call to
   btrfs_delalloc_reserve_space(), which will reserve data and metadata
   space. If the space reservations can not be satisfied right away, the
   flusher might be kicked in and start flushing delalloc and wait for
   the respective ordered extents to complete. If this happens we will
   deadlock, because both flushing delalloc and finishing an ordered
   extent, requires locking the range in the inode's io tree, which was
   already locked at defrag_collect_targets().

So fix this by skipping extent maps for which there's already delalloc.

Fixes: eb793cf857 ("btrfs: defrag: introduce helper to collect target file extents")
CC: stable@vger.kernel.org # 5.16
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2022-01-24 18:10:52 +01:00
Linus Torvalds
dd81e1c7d5 powerpc fixes for 5.17 #2
- A series of bpf fixes, including an oops fix and some codegen fixes.
 
  - Fix a regression in syscall_get_arch() for compat processes.
 
  - Fix boot failure on some 32-bit systems with KASAN enabled.
 
  - A couple of other build/minor fixes.
 
 Thanks to: Athira Rajeev, Christophe Leroy, Dmitry V. Levin, Jiri Olsa, Johan Almbladh,
 Maxime Bizon, Naveen N. Rao, Nicholas Piggin.
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Merge tag 'powerpc-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - A series of bpf fixes, including an oops fix and some codegen fixes.

 - Fix a regression in syscall_get_arch() for compat processes.

 - Fix boot failure on some 32-bit systems with KASAN enabled.

 - A couple of other build/minor fixes.

Thanks to Athira Rajeev, Christophe Leroy, Dmitry V. Levin, Jiri Olsa,
Johan Almbladh, Maxime Bizon, Naveen N. Rao, and Nicholas Piggin.

* tag 'powerpc-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s: Mask SRR0 before checking against the masked NIP
  powerpc/perf: Only define power_pmu_wants_prompt_pmi() for CONFIG_PPC64
  powerpc/32s: Fix kasan_init_region() for KASAN
  powerpc/time: Fix build failure due to do_hard_irq_enable() on PPC32
  powerpc/audit: Fix syscall_get_arch()
  powerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06
  tools/bpf: Rename 'struct event' to avoid naming conflict
  powerpc/bpf: Update ldimm64 instructions during extra pass
  powerpc32/bpf: Fix codegen for bpf-to-bpf calls
  bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack()
2022-01-23 17:52:42 +02:00
Linus Torvalds
ac5a9bb6b4 - A single use-after-free fix in the PCI MSI irq domain allocation path
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Merge tag 'irq_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fix from Borislav Petkov:
 "A single use-after-free fix in the PCI MSI irq domain allocation path"

* tag 'irq_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  PCI/MSI: Prevent UAF in error path
2022-01-23 17:45:00 +02:00
Linus Torvalds
10c64a0f28 - A bunch of fixes: forced idle time accounting, utilization values
propagation in the sched hierarchies and other minor cleanups and
 improvements
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Merge tag 'sched_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Borislav Petkov:
 "A bunch of fixes: forced idle time accounting, utilization values
  propagation in the sched hierarchies and other minor cleanups and
  improvements"

* tag 'sched_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  kernel/sched: Remove dl_boosted flag comment
  sched: Avoid double preemption in __cond_resched_*lock*()
  sched/fair: Fix all kernel-doc warnings
  sched/core: Accounting forceidle time for all tasks except idle task
  sched/pelt: Relax the sync of load_sum with load_avg
  sched/pelt: Relax the sync of runnable_sum with runnable_avg
  sched/pelt: Continue to relax the sync of util_sum with util_avg
  sched/pelt: Relax the sync of util_sum with util_avg
  psi: Fix uaf issue when psi trigger is destroyed while being polled
2022-01-23 17:35:27 +02:00
Linus Torvalds
0f9e042212 - Add support for accessing the general purpose counters on Alder Lake via MMIO
- Add new LBR format v7 support which is v5 modulo TSX
 
 - Fix counter enumeration on Alder Lake hybrids
 
 - Overhaul how context time updates are done and get rid of
 perf_event::shadow_ctx_time.
 
 - The usual amount of fixes: event mask correction, supported event
 types reporting, etc.
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Merge tag 'perf_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Borislav Petkov:

 - Add support for accessing the general purpose counters on Alder Lake
   via MMIO

 - Add new LBR format v7 support which is v5 modulo TSX

 - Fix counter enumeration on Alder Lake hybrids

 - Overhaul how context time updates are done and get rid of
   perf_event::shadow_ctx_time.

 - The usual amount of fixes: event mask correction, supported event
   types reporting, etc.

* tag 'perf_urgent_for_v5.17_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/perf: Avoid warning for Arch LBR without XSAVE
  perf/x86/intel/uncore: Add IMC uncore support for ADL
  perf/x86/intel/lbr: Add static_branch for LBR INFO flags
  perf/x86/intel/lbr: Support LBR format V7
  perf/x86/rapl: fix AMD event handling
  perf/x86/intel/uncore: Fix CAS_COUNT_WRITE issue for ICX
  perf/x86/intel: Add a quirk for the calculation of the number of counters on Alder Lake
  perf: Fix perf_event_read_local() time
2022-01-23 17:31:24 +02:00
Linus Torvalds
e783362eb5 Linux 5.17-rc1 2022-01-23 10:12:53 +02:00
Linus Torvalds
40c843218f perf tools changes for v5.17: 2nd batch
- Fix printing 'phys_addr' in 'perf script'.
 
 - Fix failure to add events with 'perf probe' in ppc64 due to not removing
   leading dot (ppc64 ABIv1).
 
 - Fix cpu_map__item() python binding building.
 
 - Support event alias in form foo-bar-baz, add pmu-events and parse-event tests
   for it.
 
 - No need to setup affinities when starting a workload or attaching to a pid.
 
 - Use path__join() to compose a path instead of ad-hoc snprintf() equivalent.
 
 - Override attr->sample_period for non-libpfm4 events.
 
 - Use libperf cpumap APIs instead of accessing the internal state directly.
 
 - Sync x86 arch prctl headers and files changed by the new
   set_mempolicy_home_node syscall with the kernel sources.
 
 - Remove duplicate include in cpumap.h.
 
 - Remove redundant err variable.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v5.17-2022-01-22' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull more perf tools updates from Arnaldo Carvalho de Melo:

 - Fix printing 'phys_addr' in 'perf script'.

 - Fix failure to add events with 'perf probe' in ppc64 due to not
   removing leading dot (ppc64 ABIv1).

 - Fix cpu_map__item() python binding building.

 - Support event alias in form foo-bar-baz, add pmu-events and
   parse-event tests for it.

 - No need to setup affinities when starting a workload or attaching to
   a pid.

 - Use path__join() to compose a path instead of ad-hoc snprintf()
   equivalent.

 - Override attr->sample_period for non-libpfm4 events.

 - Use libperf cpumap APIs instead of accessing the internal state
   directly.

 - Sync x86 arch prctl headers and files changed by the new
   set_mempolicy_home_node syscall with the kernel sources.

 - Remove duplicate include in cpumap.h.

 - Remove redundant err variable.

* tag 'perf-tools-for-v5.17-2022-01-22' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  perf tools: Remove redundant err variable
  perf test: Add parse-events test for aliases with hyphens
  perf test: Add pmu-events test for aliases with hyphens
  perf parse-events: Support event alias in form foo-bar-baz
  perf evsel: Override attr->sample_period for non-libpfm4 events
  perf cpumap: Remove duplicate include in cpumap.h
  perf cpumap: Migrate to libperf cpumap api
  perf python: Fix cpu_map__item() building
  perf script: Fix printing 'phys_addr' failure issue
  tools headers UAPI: Sync files changed by new set_mempolicy_home_node syscall
  tools headers UAPI: Sync x86 arch prctl headers with the kernel sources
  perf machine: Use path__join() to compose a path instead of snprintf(dir, '/', filename)
  perf evlist: No need to setup affinities when disabling events for pid targets
  perf evlist: No need to setup affinities when enabling events for pid targets
  perf stat: No need to setup affinities when starting a workload
  perf affinity: Allow passing a NULL arg to affinity__cleanup()
  perf probe: Fix ppc64 'perf probe add events failed' case
2022-01-23 08:14:21 +02:00
Linus Torvalds
67bfce0e01 ftrace: Fix s390 breakage from sorting mcount tables
The latest merge of the tracing tree sorts the mcount table at build time.
 But s390 appears to do things differently (like always) and replaces the
 sorted table back to the original unsorted one. As the ftrace algorithm
 depends on it being sorted, bad things happen when it is not, and s390
 experienced those bad things.
 
 Add a new config to tell the boot if the mcount table is sorted or not,
 and allow s390 to opt out of it.
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Merge tag 'trace-v5.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull ftrace fix from Steven Rostedt:
 "Fix s390 breakage from sorting mcount tables.

  The latest merge of the tracing tree sorts the mcount table at build
  time. But s390 appears to do things differently (like always) and
  replaces the sorted table back to the original unsorted one. As the
  ftrace algorithm depends on it being sorted, bad things happen when it
  is not, and s390 experienced those bad things.

  Add a new config to tell the boot if the mcount table is sorted or
  not, and allow s390 to opt out of it"

* tag 'trace-v5.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  ftrace: Fix assuming build time sort works for s390
2022-01-23 08:07:02 +02:00
Steven Rostedt (Google)
6b9b641370 ftrace: Fix assuming build time sort works for s390
To speed up the boot process, as mcount_loc needs to be sorted for ftrace
to work properly, sorting it at build time is more efficient than boot up
and can save milliseconds of time. Unfortunately, this change broke s390
as it will modify the mcount_loc location after the sorting takes place
and will put back the unsorted locations. Since the sorting is skipped at
boot up if it is believed that it was sorted at run time, ftrace can crash
as its algorithms are dependent on the list being sorted.

Add a new config BUILDTIME_MCOUNT_SORT that is set when
BUILDTIME_TABLE_SORT but not if S390 is set. Use this config to determine
if sorting should take place at boot up.

Link: https://lore.kernel.org/all/yt9dee51ctfn.fsf@linux.ibm.com/

Fixes: 72b3942a17 ("scripts: ftrace - move the sort-processing in ftrace_init")
Reported-by: Sven Schnelle <svens@linux.ibm.com>
Tested-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-01-23 00:10:09 -05:00
Linus Torvalds
473aec0e1f Kbuild fixes for v5.17
- Bring include/uapi/linux/nfc.h into the UAPI compile-test coverage
 
  - Revert the workaround of CONFIG_CC_IMPLICIT_FALLTHROUGH
 
  - Fix build errors in certs/Makefile
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Merge tag 'kbuild-fixes-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Bring include/uapi/linux/nfc.h into the UAPI compile-test coverage

 - Revert the workaround of CONFIG_CC_IMPLICIT_FALLTHROUGH

 - Fix build errors in certs/Makefile

* tag 'kbuild-fixes-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  certs: Fix build error when CONFIG_MODULE_SIG_KEY is empty
  certs: Fix build error when CONFIG_MODULE_SIG_KEY is PKCS#11 URI
  Revert "Makefile: Do not quote value for CONFIG_CC_IMPLICIT_FALLTHROUGH"
  usr/include/Makefile: add linux/nfc.h to the compile-test coverage
2022-01-23 06:32:29 +02:00
Linus Torvalds
3689f9f8b0 bitmap patches for 5.17-rc1
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Merge tag 'bitmap-5.17-rc1' of git://github.com/norov/linux

Pull bitmap updates from Yury Norov:

 - introduce for_each_set_bitrange()

 - use find_first_*_bit() instead of find_next_*_bit() where possible

 - unify for_each_bit() macros

* tag 'bitmap-5.17-rc1' of git://github.com/norov/linux:
  vsprintf: rework bitmap_list_string
  lib: bitmap: add performance test for bitmap_print_to_pagebuf
  bitmap: unify find_bit operations
  mm/percpu: micro-optimize pcpu_is_populated()
  Replace for_each_*_bit_from() with for_each_*_bit() where appropriate
  find: micro-optimize for_each_{set,clear}_bit()
  include/linux: move for_each_bit() macros from bitops.h to find.h
  cpumask: replace cpumask_next_* with cpumask_first_* where appropriate
  tools: sync tools/bitmap with mother linux
  all: replace find_next{,_zero}_bit with find_first{,_zero}_bit where appropriate
  cpumask: use find_first_and_bit()
  lib: add find_first_and_bit()
  arch: remove GENERIC_FIND_FIRST_BIT entirely
  include: move find.h from asm_generic to linux
  bitops: move find_bit_*_le functions from le.h to find.h
  bitops: protect find_first_{,zero}_bit properly
2022-01-23 06:20:44 +02:00
Minghao Chi
f0ac5b8581 perf tools: Remove redundant err variable
Return value from perf_event__process_tracing_data() directly instead
of taking this in another redundant variable.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20220112080109.666800-1-chi.minghao@zte.com.cn
Signed-off-by: CGEL ZTE <cgel.zte@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-01-22 17:25:02 -03:00
John Garry
b4a7276c5e perf test: Add parse-events test for aliases with hyphens
Add a test which allows us to test parsing an event alias with hyphens.

Since these events typically do not exist on most host systems, add the
alias to the fake pmu.

Function perf_pmu__test_parse_init() has terms added to match known test
aliases.

Signed-off-by: John Garry <john.garry@huawei.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Qi Liu <liuqi115@huawei.com>
Cc: Shaokun Zhang <zhangshaokun@hisilicon.com>
Cc: linuxarm@huawei.com
Link: https://lore.kernel.org/r/1642432215-234089-4-git-send-email-john.garry@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-01-22 17:21:41 -03:00
John Garry
34fa67e720 perf test: Add pmu-events test for aliases with hyphens
Add a test for aliases with hyphens in the name to ensure that the
pmu-events tables are as expects. There should be no reason why these sort
of aliases would be treated differently, but no harm in checking.

Signed-off-by: John Garry <john.garry@huawei.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Qi Liu <liuqi115@huawei.com>
Cc: Shaokun Zhang <zhangshaokun@hisilicon.com>
Cc: linuxarm@huawei.com
Link: https://lore.kernel.org/r/1642432215-234089-3-git-send-email-john.garry@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-01-22 17:21:29 -03:00
John Garry
864bc8c905 perf parse-events: Support event alias in form foo-bar-baz
Event aliasing for events whose name in the form foo-bar-baz is not
supported, while foo-bar, foo_bar_baz, and other combinations are, i.e.
two hyphens are not supported.

The HiSilicon D06 platform has events in such form:

  $ ./perf list sdir-home-migrate

  List of pre-defined events (to be used in -e):

  uncore hha:
    sdir-home-migrate
   [Unit: hisi_sccl,hha]

  $ sudo ./perf stat -e sdir-home-migrate
  event syntax error: 'sdir-home-migrate'
                          \___ parser error
  Run 'perf list' for a list of valid events

   Usage: perf stat [<options>] [<command>]

   -e, --event <event>event selector. use 'perf list' to list available events

To support, add an extra PMU event symbol type for "baz", and add a new
rule in the bison file.

Signed-off-by: John Garry <john.garry@huawei.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Qi Liu <liuqi115@huawei.com>
Cc: Shaokun Zhang <zhangshaokun@hisilicon.com>
Cc: linuxarm@huawei.com
Link: https://lore.kernel.org/r/1642432215-234089-2-git-send-email-john.garry@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-01-22 17:20:12 -03:00
German Gomez
3606c0e1a1 perf evsel: Override attr->sample_period for non-libpfm4 events
A previous patch preventing "attr->sample_period" values from being
overridden in pfm events changed a related behaviour in arm-spe.

Before said patch:

  perf record -c 10000 -e arm_spe_0// -- sleep 1

Would yield an SPE event with period=10000. After the patch, the period
in "-c 10000" was being ignored because the arm-spe code initializes
sample_period to a non-zero value.

This patch restores the previous behaviour for non-libpfm4 events.

Fixes: ae5dcc8abe (“perf record: Prevent override of attr->sample_period for libpfm4 events”)
Reported-by: Chase Conklin <chase.conklin@arm.com>
Signed-off-by: German Gomez <german.gomez@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: netdev@vger.kernel.org
Link: http://lore.kernel.org/lkml/20220118144054.2541-1-german.gomez@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-01-22 17:15:47 -03:00
Lv Ruyi
24ead7c254 perf cpumap: Remove duplicate include in cpumap.h
Remove all but the first include of stdbool.h from cpumap.h.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20220117083730.863200-1-lv.ruyi@zte.com.cn
Signed-off-by: CGEL ZTE <cgel.zte@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-01-22 17:12:23 -03:00
Ian Rogers
4402869939 perf cpumap: Migrate to libperf cpumap api
Switch from directly accessing the perf_cpu_map to using the appropriate
libperf API when possible. Using the API simplifies the job of
refactoring use of perf_cpu_map.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: André Almeida <andrealmeid@collabora.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Miaoqian Lin <linmq006@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Cc: Song Liu <song@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: http://lore.kernel.org/lkml/20220122045811.3402706-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-01-22 17:08:42 -03:00
Ian Rogers
1d1d9af254 perf python: Fix cpu_map__item() building
Value should be built as an integer.

Switch some uses of perf_cpu_map to use the library API.

Fixes: 6d18804b96 ("perf cpumap: Give CPUs their own type")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: André Almeida <andrealmeid@collabora.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Miaoqian Lin <linmq006@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Cc: Song Liu <song@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: http://lore.kernel.org/lkml/20220122045811.3402706-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-01-22 17:04:33 -03:00
Yao Jin
9edcde68d6 perf script: Fix printing 'phys_addr' failure issue
Perf script was failed to print the phys_addr for SPE profiling.
One 'dummy' event is added by SPE profiling but it doesn't have PHYS_ADDR
attribute set, perf script then exits with error.

Now referring to 'addr', use evsel__do_check_stype() to check the type.

Before:

  # perf record -e arm_spe_0/branch_filter=0,ts_enable=1,pa_enable=1,load_filter=1,jitter=0,\
		store_filter=0,min_latency=0,event_filter=2/ -p 4064384 -- sleep 3
  # perf script -F pid,tid,addr,phys_addr
  Samples for 'dummy:u' event do not have PHYS_ADDR attribute set. Cannot print 'phys_addr' field.

After:

  # perf record -e arm_spe_0/branch_filter=0,ts_enable=1,pa_enable=1,load_filter=1,jitter=0,\
		store_filter=0,min_latency=0,event_filter=2/ -p 4064384 -- sleep 3
  # perf script -F pid,tid,addr,phys_addr
  4064384/4064384 ffff802f921be0d0      2f921be0d0
  4064384/4064384 ffff802f921be0d0      2f921be0d0

Reviewed-by: German Gomez <german.gomez@arm.com>
Signed-off-by: Yao Jin <jinyao5@huawei.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Hanjun Guo <guohanjun@huawei.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20220121065954.2121900-1-liwei391@huawei.com
Signed-off-by: Wei Li <liwei391@huawei.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2022-01-22 17:02:08 -03:00
Masahiro Yamada
e6340b6526 certs: Fix build error when CONFIG_MODULE_SIG_KEY is empty
Since b8c96a6b46 ("certs: simplify $(srctree)/ handling and remove
config_filename macro"), when CONFIG_MODULE_SIG_KEY is empty,
signing_key.x509 fails to build:

    CERT    certs/signing_key.x509
  Usage: extract-cert <source> <dest>
  make[1]: *** [certs/Makefile:78: certs/signing_key.x509] Error 2
  make: *** [Makefile:1831: certs] Error 2

Pass "" to the first argument of extract-cert to fix the build error.

Link: https://lore.kernel.org/linux-kbuild/20220120094606.2skuyb26yjlnu66q@lion.mk-sys.cz/T/#u
Fixes: b8c96a6b46 ("certs: simplify $(srctree)/ handling and remove config_filename macro")
Reported-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Michal Kubecek <mkubecek@suse.cz>
2022-01-23 00:08:44 +09:00
Masahiro Yamada
ad29a2fb3c certs: Fix build error when CONFIG_MODULE_SIG_KEY is PKCS#11 URI
When CONFIG_MODULE_SIG_KEY is PKCS#11 URL (pkcs11:*), signing_key.x509
fails to build:

  certs/Makefile:77: *** target pattern contains no '%'.  Stop.

Due to the typo, $(X509_DEP) contains a colon.

Fix it.

Fixes: b8c96a6b46 ("certs: simplify $(srctree)/ handling and remove config_filename macro")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-01-23 00:00:14 +09:00
Masahiro Yamada
e92e2634ef Revert "Makefile: Do not quote value for CONFIG_CC_IMPLICIT_FALLTHROUGH"
This reverts commit cd8c917a56.

Commit 129ab0d2d9 ("kbuild: do not quote string values in
include/config/auto.conf") provided the final solution.

Now reverting the temporary workaround.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-01-23 00:00:14 +09:00
Dmitry V. Levin
10756dc5b0 usr/include/Makefile: add linux/nfc.h to the compile-test coverage
As linux/nfc.h userspace compilation was finally fixed by commits
79b69a8370 ("nfc: uapi: use kernel size_t to fix user-space builds")
and 7175f02c4e ("uapi: fix linux/nfc.h userspace compilation errors"),
there is no need to keep the compile-test exception for it in
usr/include/Makefile.

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-01-22 21:48:45 +09:00
Linus Torvalds
1c52283265 Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:
 "This is the post-linux-next queue. Material which was based on or
  dependent upon material which was in -next.

  69 patches.

  Subsystems affected by this patch series: mm (migration and zsmalloc),
  sysctl, proc, and lib"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (69 commits)
  mm: hide the FRONTSWAP Kconfig symbol
  frontswap: remove support for multiple ops
  mm: mark swap_lock and swap_active_head static
  frontswap: simplify frontswap_register_ops
  frontswap: remove frontswap_test
  mm: simplify try_to_unuse
  frontswap: remove the frontswap exports
  frontswap: simplify frontswap_init
  frontswap: remove frontswap_curr_pages
  frontswap: remove frontswap_shrink
  frontswap: remove frontswap_tmem_exclusive_gets
  frontswap: remove frontswap_writethrough
  mm: remove cleancache
  lib/stackdepot: always do filter_irq_stacks() in stack_depot_save()
  lib/stackdepot: allow optional init and stack_table allocation by kvmalloc()
  proc: remove PDE_DATA() completely
  fs: proc: store PDE()->data into inode->i_private
  zsmalloc: replace get_cpu_var with local_lock
  zsmalloc: replace per zpage lock with pool->migrate_lock
  locking/rwlocks: introduce write_lock_nested
  ...
2022-01-22 11:28:23 +02:00
Linus Torvalds
8205ae327e 18 cifs/smb3 fixes, half are related to multichannel and reconnect
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Merge tag '5.17-rc-part2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:

 - multichannel fixes, addressing additional reconnect and DFS scenarios

 - reenabling fscache support (indexing rewrite, metadata caching e.g.)

 - send additional version information during NTLMSSP negotiate to
   improve debugging

 - fix for a mount race

 - DFS fixes

 - fix for a memory leak for stable

* tag '5.17-rc-part2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: update internal module number
  smb3: send NTLMSSP version information
  cifs: Support fscache indexing rewrite
  cifs: cifs_ses_mark_for_reconnect should also update reconnect bits
  cifs: update tcpStatus during negotiate and sess setup
  cifs: make status checks in version independent callers
  cifs: remove repeated state change in dfs tree connect
  cifs: fix the cifs_reconnect path for DFS
  cifs: remove unused variable ses_selected
  cifs: protect all accesses to chan_* with chan_lock
  cifs: fix the connection state transitions with multichannel
  cifs: check reconnects for channels of active tcons too
  smb3: add new defines from protocol specification
  cifs: serialize all mount attempts
  cifs: quirk for STATUS_OBJECT_NAME_INVALID returned for non-ASCII dfs refs
  cifs: alloc_path_with_tree_prefix: do not append sep. if the path is empty
  cifs: clean up an inconsistent indenting
  cifs: free ntlmsspblob allocated in negotiate
2022-01-22 11:12:26 +02:00
Linus Torvalds
1cb69c8044 New code for 5.17:
- Minor cleanup of ioctl32 cruft
 - Clean up open coded inodegc workqueue function calls
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Merge tag 'xfs-5.17-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Darrick Wong:
 "One of the patches removes some dead code from xfs_ioctl32.h and the
  other fixes broken workqueue flushing in the inode garbage collector.

   - Minor cleanup of ioctl32 cruft

   - Clean up open coded inodegc workqueue function calls"

* tag 'xfs-5.17-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: flush inodegc workqueue tasks before cancel
  xfs: remove unused xfs_ioctl32.h declarations
2022-01-22 11:04:27 +02:00
Linus Torvalds
7fd350f6ff fscache fixes
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Merge tag 'fscache-fixes-20220121' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull more fscache updates from David Howells:
 "A set of fixes and minor updates for the fscache rewrite:

   - Fix mishandling of volume collisions (the wait condition is
     inverted and so it was only waiting if the volume collision was
     already resolved).

   - Fix miscalculation of whether there's space available in
     cachefiles.

   - Make sure a default cache name is set on a cache if the user hasn't
     set one by the time they bind the cache.

   - Adjust the way the backing inode is presented in tracepoints, add a
     tracepoint for mkdir and trace directory lookup.

   - Add a tracepoint for failure to set the active file mark.

   - Add an explanation of the checks made on the backing filesystem.

   - Check that the backing filesystem supports tmpfile.

   - Document how the page-release cancellation of the read-skip
     optimisation works.

  And I've included a change for netfslib:

   - Make ops->init_rreq() optional"

* tag 'fscache-fixes-20220121' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  netfs: Make ops->init_rreq() optional
  fscache: Add a comment explaining how page-release optimisation works
  cachefiles: Check that the backing filesystem supports tmpfiles
  cachefiles: Explain checks in a comment
  cachefiles: Trace active-mark failure
  cachefiles: Make some tracepoint adjustments
  cachefiles: set default tag name if it's unspecified
  cachefiles: Calculate the blockshift in terms of bytes, not pages
  fscache: Fix the volume collision wait condition
2022-01-22 10:59:32 +02:00
Linus Torvalds
b68b10b626 Three small folio patches.
One bug fix, one patch pulled forward from the patches destined for 5.18
 and then a patch to make use of that functionality.
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Merge tag 'folio-5.17a' of git://git.infradead.org/users/willy/pagecache

Pull more folio updates from Matthew Wilcox:
 "Three small folio patches.

  One bug fix, one patch pulled forward from the patches destined for
  5.18 and then a patch to make use of that functionality"

* tag 'folio-5.17a' of git://git.infradead.org/users/willy/pagecache:
  filemap: Use folio_put_refs() in filemap_free_folio()
  mm: Add folio_put_refs()
  pagevec: Initialise folio_batch->percpu_pvec_drained
2022-01-22 10:43:07 +02:00
Linus Torvalds
369af20a2c SCSI misc on 20220121
This series is all the stragglers that didn't quite make the first
 merge window pull.  It's mostly minor updates and bug fixes of merge
 window code.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "This series is all the stragglers that didn't quite make the first
  merge window pull. It's mostly minor updates and bug fixes of merge
  window code"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: nsp_cs: Check of ioremap return value
  scsi: ufs: ufs-mediatek: Fix error checking in ufs_mtk_init_va09_pwr_ctrl()
  scsi: ufs: Modify Tactive time setting conditions
  scsi: efct: Remove useless DMA-32 fallback configuration
  scsi: message: fusion: mptctl: Use dma_alloc_coherent()
  scsi: message: fusion: mptsas: Use dma_alloc_coherent()
  scsi: message: fusion: Use dma_alloc_coherent() in mptsas_exp_repmanufacture_info()
  scsi: message: fusion: mptbase: Use dma_alloc_coherent()
  scsi: message: fusion: Use dma_alloc_coherent() in mpt_alloc_fw_memory()
  scsi: message: fusion: Remove usage of the deprecated "pci-dma-compat.h" API
  scsi: megaraid: Avoid mismatched storage type sizes
  scsi: hisi_sas: Remove unused variable and check in hisi_sas_send_ata_reset_each_phy()
  scsi: aic79xx: Remove redundant error variable
  scsi: pm80xx: Port reset timeout error handling correction
  scsi: mpi3mr: Fix formatting problems in some kernel-doc comments
  scsi: mpi3mr: Fix some spelling mistakes
  scsi: mpt3sas: Update persistent trigger pages from sysfs interface
  scsi: core: Fix scsi_mode_select() interface
  scsi: aacraid: Fix spelling of "its"
  scsi: qedf: Fix potential dereference of NULL pointer
2022-01-22 10:24:02 +02:00
Linus Torvalds
b087788c20 ATA changes for 5.17-rc1, part2
A single patch in this pull request to fix a compilation error in the
 pata_octeon_cf driver (mips architecture), from me.
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Merge tag 'ata-5.17-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata

Pull ATA fix from Damien Le Moal:
 "A single patch to fix a compilation error in the pata_octeon_cf driver
  (mips architecture), from me"

* tag 'ata-5.17-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
  ata: pata_octeon_cf: fix call to trace_ata_bmdma_stop()
2022-01-22 10:22:11 +02:00
Linus Torvalds
6bdfb259d6 More thermal control updates for 5.17-rc1
Add device IDs for Raptor Lake to the int340x thermal control
 driver (Srinivas Pandruvada).
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Merge tag 'thermal-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more thermal control updates from Rafael Wysocki:
 "Add device IDs for Raptor Lake to the int340x thermal control driver
  (Srinivas Pandruvada)"

* tag 'thermal-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal: int340x: Add Raptor Lake PCI device id
  thermal: int340x: Support Raptor Lake
2022-01-22 10:15:41 +02:00
Linus Torvalds
71f1b916d5 Extra ACPI updates for 5.17-rc1
- Fix a recently introduced endianness-related issue in the ACPI
    CPPC library and clean it up on top of that (Rafael Wysocki).
 
  - Add new device IDs for the Raptor Lake SoC to the ACPI DPTF
    driver (Srinivas Pandruvada).
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Merge tag 'acpi-5.17-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull extra ACPI updates from Rafael Wysocki:
 "These fix and clean up the ACPI CPPC driver on top of the recent
  changes in it merged previously and add some new device IDs to the
  ACPI DPTF driver.

  Specifics:

   - Fix a recently introduced endianness-related issue in the ACPI CPPC
     library and clean it up on top of that (Rafael Wysocki)

   - Add new device IDs for the Raptor Lake SoC to the ACPI DPTF driver
     (Srinivas Pandruvada)"

* tag 'acpi-5.17-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: DPTF: Support Raptor Lake
  ACPI: CPPC: Drop redundant local variable from cpc_read()
  ACPI: CPPC: Fix up I/O port access in cpc_read()
2022-01-22 10:09:51 +02:00