github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-30 03:01:41 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph
994,172 Commits 1 Branch 940 Tags 24 GiB
f6e1e1d1e1
Commit Graph

994172 Commits

This Branch
This Branch
All Branches
Author SHA1 Message Date
Linus Torvalds
f6e1e1d1e1 Changes in gfs2: 
* Log space and revoke accounting rework to fix some failed asserts.
 * Local resource group glock sharing for better local performance.
 * Add support for version 1802 filesystems: trusted xattr support and
   '-o rgrplvb' mounts by default.
 * Actually synchronize on the inode glock's FREEING bit during withdraw
   ("gfs2: fix glock confusion in function signal_our_withdraw").
 * Fix parallel recovery of multiple journals ("gfs2: keep bios separate
   for each journal").
 * Various other bug fixes.
 -----BEGIN PGP SIGNATURE-----
 
 iQJIBAABCAAyFiEEJZs3krPW0xkhLMTc1b+f6wMTZToFAmA1TmwUHGFncnVlbmJh
 QHJlZGhhdC5jb20ACgkQ1b+f6wMTZTpDZhAArnFj5AhWMI2+DD5o05EILdgDSpwh
 JWYT1pfRqR1OZrs7ZZ7tGZB4H6oytYfJ+4mg9Kk7CE7oJKcBh695IPZoIWv8+BCC
 WIgQGJytCFp4tuDNw11HZ0ahgW4zXPyJTt6jidZ5jVkux31JrUS7fVqSsD2vIPqA
 iQMcJIH+NLTlYbNt4d5T/ngaoRcx7m18RWkcxf6Y+/DBnnwIe4ZDpZmkWVykuncv
 OFSvXK8vKyLWGnvH/MIsywfYeU5rj/0AIu66JhVILQ4v5kGYIigwY3quXP2SoITM
 Z0+N5Gj/N4OWSscRS86zyqhnRucrjDkNP2+oGSzJWgtSXE/KplyfInAmQWzhIPRM
 n7T0boTp+gOTzGq7ELCzj44KICLG76WgDwaR2bLHuQ2/ppVrHNltZqncP2iwynN6
 glfST/eHBUBu1qTYLaOAfkUBlhpKDXu0YPcXX7lH6M0JqyvkRUFfuBAU9dic9D9K
 zsxplHGJrZnE9QFWWbS3aOviPlSHaXfkZF0Xv7QCLyuPRhu+e/qfcAoeVhxSd4+e
 I0grs/TxM61jyju9SmqnM7P+8qYS55naYH1V+6iNCU5dax8MvdxNZuneBQIa07U+
 Y84JPQvTBZDUE0gZ8fUzZtnYS7RqyiG7BL+T4W5Ph7LgxXbgQD7CWerYpg7fBm/j
 HEpjKqrS96zfTyk=
 =45VG
 -----END PGP SIGNATURE-----

Merge tag 'gfs2-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updates from Andreas Gruenbacher:

 - Log space and revoke accounting rework to fix some failed asserts.

 - Local resource group glock sharing for better local performance.

 - Add support for version 1802 filesystems: trusted xattr support and
   '-o rgrplvb' mounts by default.

 - Actually synchronize on the inode glock's FREEING bit during withdraw
   ("gfs2: fix glock confusion in function signal_our_withdraw").

 - Fix parallel recovery of multiple journals ("gfs2: keep bios separate
   for each journal").

 - Various other bug fixes.

* tag 'gfs2-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: (49 commits)
  gfs2: Don't get stuck with I/O plugged in gfs2_ail1_flush
  gfs2: Per-revoke accounting in transactions
  gfs2: Rework the log space allocation logic
  gfs2: Minor calc_reserved cleanup
  gfs2: Use resource group glock sharing
  gfs2: Allow node-wide exclusive glock sharing
  gfs2: Add local resource group locking
  gfs2: Add per-reservation reserved block accounting
  gfs2: Rename rs_{free -> requested} and rd_{reserved -> requested}
  gfs2: Check for active reservation in gfs2_release
  gfs2: Don't search for unreserved space twice
  gfs2: Only pass reservation down to gfs2_rbm_find
  gfs2: Also reflect single-block allocations in rgd->rd_extfail_pt
  gfs2: Recursive gfs2_quota_hold in gfs2_iomap_end
  gfs2: Add trusted xattr support
  gfs2: Enable rgrplvb for sb_fs_format 1802
  gfs2: Don't skip dlm unlock if glock has an lvb
  gfs2: Lock imbalance on error path in gfs2_recover_one
  gfs2: Move function gfs2_ail_empty_tr
  gfs2: Get rid of current_tail()
  ...
 2021-02-23 14:04:04 -08:00
Linus Torvalds
7d6beb71da idmapped-mounts-v5.12 
-----BEGIN PGP SIGNATURE-----
 
 iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCYCegywAKCRCRxhvAZXjc
 ouJ6AQDlf+7jCQlQdeKKoN9QDFfMzG1ooemat36EpRRTONaGuAD8D9A4sUsG4+5f
 4IU5Lj9oY4DEmF8HenbWK2ZHsesL2Qg=
 =yPaw
 -----END PGP SIGNATURE-----

Merge tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux

Pull idmapped mounts from Christian Brauner:
 "This introduces idmapped mounts which has been in the making for some
  time. Simply put, different mounts can expose the same file or
  directory with different ownership. This initial implementation comes
  with ports for fat, ext4 and with Christoph's port for xfs with more
  filesystems being actively worked on by independent people and
  maintainers.

  Idmapping mounts handle a wide range of long standing use-cases. Here
  are just a few:

   - Idmapped mounts make it possible to easily share files between
     multiple users or multiple machines especially in complex
     scenarios. For example, idmapped mounts will be used in the
     implementation of portable home directories in
     systemd-homed.service(8) where they allow users to move their home
     directory to an external storage device and use it on multiple
     computers where they are assigned different uids and gids. This
     effectively makes it possible to assign random uids and gids at
     login time.

   - It is possible to share files from the host with unprivileged
     containers without having to change ownership permanently through
     chown(2).

   - It is possible to idmap a container's rootfs and without having to
     mangle every file. For example, Chromebooks use it to share the
     user's Download folder with their unprivileged containers in their
     Linux subsystem.

   - It is possible to share files between containers with
     non-overlapping idmappings.

   - Filesystem that lack a proper concept of ownership such as fat can
     use idmapped mounts to implement discretionary access (DAC)
     permission checking.

   - They allow users to efficiently changing ownership on a per-mount
     basis without having to (recursively) chown(2) all files. In
     contrast to chown (2) changing ownership of large sets of files is
     instantenous with idmapped mounts. This is especially useful when
     ownership of a whole root filesystem of a virtual machine or
     container is changed. With idmapped mounts a single syscall
     mount_setattr syscall will be sufficient to change the ownership of
     all files.

   - Idmapped mounts always take the current ownership into account as
     idmappings specify what a given uid or gid is supposed to be mapped
     to. This contrasts with the chown(2) syscall which cannot by itself
     take the current ownership of the files it changes into account. It
     simply changes the ownership to the specified uid and gid. This is
     especially problematic when recursively chown(2)ing a large set of
     files which is commong with the aforementioned portable home
     directory and container and vm scenario.

   - Idmapped mounts allow to change ownership locally, restricting it
     to specific mounts, and temporarily as the ownership changes only
     apply as long as the mount exists.

  Several userspace projects have either already put up patches and
  pull-requests for this feature or will do so should you decide to pull
  this:

   - systemd: In a wide variety of scenarios but especially right away
     in their implementation of portable home directories.

         https://systemd.io/HOME_DIRECTORY/

   - container runtimes: containerd, runC, LXD:To share data between
     host and unprivileged containers, unprivileged and privileged
     containers, etc. The pull request for idmapped mounts support in
     containerd, the default Kubernetes runtime is already up for quite
     a while now: https://github.com/containerd/containerd/pull/4734

   - The virtio-fs developers and several users have expressed interest
     in using this feature with virtual machines once virtio-fs is
     ported.

   - ChromeOS: Sharing host-directories with unprivileged containers.

  I've tightly synced with all those projects and all of those listed
  here have also expressed their need/desire for this feature on the
  mailing list. For more info on how people use this there's a bunch of
  talks about this too. Here's just two recent ones:

      https://www.cncf.io/wp-content/uploads/2020/12/Rootless-Containers-in-Gitpod.pdf
      https://fosdem.org/2021/schedule/event/containers_idmap/

  This comes with an extensive xfstests suite covering both ext4 and
  xfs:

      https://git.kernel.org/brauner/xfstests-dev/h/idmapped_mounts

  It covers truncation, creation, opening, xattrs, vfscaps, setid
  execution, setgid inheritance and more both with idmapped and
  non-idmapped mounts. It already helped to discover an unrelated xfs
  setgid inheritance bug which has since been fixed in mainline. It will
  be sent for inclusion with the xfstests project should you decide to
  merge this.

  In order to support per-mount idmappings vfsmounts are marked with
  user namespaces. The idmapping of the user namespace will be used to
  map the ids of vfs objects when they are accessed through that mount.
  By default all vfsmounts are marked with the initial user namespace.
  The initial user namespace is used to indicate that a mount is not
  idmapped. All operations behave as before and this is verified in the
  testsuite.

  Based on prior discussions we want to attach the whole user namespace
  and not just a dedicated idmapping struct. This allows us to reuse all
  the helpers that already exist for dealing with idmappings instead of
  introducing a whole new range of helpers. In addition, if we decide in
  the future that we are confident enough to enable unprivileged users
  to setup idmapped mounts the permission checking can take into account
  whether the caller is privileged in the user namespace the mount is
  currently marked with.

  The user namespace the mount will be marked with can be specified by
  passing a file descriptor refering to the user namespace as an
  argument to the new mount_setattr() syscall together with the new
  MOUNT_ATTR_IDMAP flag. The system call follows the openat2() pattern
  of extensibility.

  The following conditions must be met in order to create an idmapped
  mount:

   - The caller must currently have the CAP_SYS_ADMIN capability in the
     user namespace the underlying filesystem has been mounted in.

   - The underlying filesystem must support idmapped mounts.

   - The mount must not already be idmapped. This also implies that the
     idmapping of a mount cannot be altered once it has been idmapped.

   - The mount must be a detached/anonymous mount, i.e. it must have
     been created by calling open_tree() with the OPEN_TREE_CLONE flag
     and it must not already have been visible in the filesystem.

  The last two points guarantee easier semantics for userspace and the
  kernel and make the implementation significantly simpler.

  By default vfsmounts are marked with the initial user namespace and no
  behavioral or performance changes are observed.

  The manpage with a detailed description can be found here:

      1d7b902e28

  In order to support idmapped mounts, filesystems need to be changed
  and mark themselves with the FS_ALLOW_IDMAP flag in fs_flags. The
  patches to convert individual filesystem are not very large or
  complicated overall as can be seen from the included fat, ext4, and
  xfs ports. Patches for other filesystems are actively worked on and
  will be sent out separately. The xfstestsuite can be used to verify
  that port has been done correctly.

  The mount_setattr() syscall is motivated independent of the idmapped
  mounts patches and it's been around since July 2019. One of the most
  valuable features of the new mount api is the ability to perform
  mounts based on file descriptors only.

  Together with the lookup restrictions available in the openat2()
  RESOLVE_* flag namespace which we added in v5.6 this is the first time
  we are close to hardened and race-free (e.g. symlinks) mounting and
  path resolution.

  While userspace has started porting to the new mount api to mount
  proper filesystems and create new bind-mounts it is currently not
  possible to change mount options of an already existing bind mount in
  the new mount api since the mount_setattr() syscall is missing.

  With the addition of the mount_setattr() syscall we remove this last
  restriction and userspace can now fully port to the new mount api,
  covering every use-case the old mount api could. We also add the
  crucial ability to recursively change mount options for a whole mount
  tree, both removing and adding mount options at the same time. This
  syscall has been requested multiple times by various people and
  projects.

  There is a simple tool available at

      https://github.com/brauner/mount-idmapped

  that allows to create idmapped mounts so people can play with this
  patch series. I'll add support for the regular mount binary should you
  decide to pull this in the following weeks:

  Here's an example to a simple idmapped mount of another user's home
  directory:

	u1001@f2-vm:/$ sudo ./mount --idmap both:1000:1001:1 /home/ubuntu/ /mnt

	u1001@f2-vm:/$ ls -al /home/ubuntu/
	total 28
	drwxr-xr-x 2 ubuntu ubuntu 4096 Oct 28 22:07 .
	drwxr-xr-x 4 root   root   4096 Oct 28 04:00 ..
	-rw------- 1 ubuntu ubuntu 3154 Oct 28 22:12 .bash_history
	-rw-r--r-- 1 ubuntu ubuntu  220 Feb 25  2020 .bash_logout
	-rw-r--r-- 1 ubuntu ubuntu 3771 Feb 25  2020 .bashrc
	-rw-r--r-- 1 ubuntu ubuntu  807 Feb 25  2020 .profile
	-rw-r--r-- 1 ubuntu ubuntu    0 Oct 16 16:11 .sudo_as_admin_successful
	-rw------- 1 ubuntu ubuntu 1144 Oct 28 00:43 .viminfo

	u1001@f2-vm:/$ ls -al /mnt/
	total 28
	drwxr-xr-x  2 u1001 u1001 4096 Oct 28 22:07 .
	drwxr-xr-x 29 root  root  4096 Oct 28 22:01 ..
	-rw-------  1 u1001 u1001 3154 Oct 28 22:12 .bash_history
	-rw-r--r--  1 u1001 u1001  220 Feb 25  2020 .bash_logout
	-rw-r--r--  1 u1001 u1001 3771 Feb 25  2020 .bashrc
	-rw-r--r--  1 u1001 u1001  807 Feb 25  2020 .profile
	-rw-r--r--  1 u1001 u1001    0 Oct 16 16:11 .sudo_as_admin_successful
	-rw-------  1 u1001 u1001 1144 Oct 28 00:43 .viminfo

	u1001@f2-vm:/$ touch /mnt/my-file

	u1001@f2-vm:/$ setfacl -m u:1001:rwx /mnt/my-file

	u1001@f2-vm:/$ sudo setcap -n 1001 cap_net_raw+ep /mnt/my-file

	u1001@f2-vm:/$ ls -al /mnt/my-file
	-rw-rwxr--+ 1 u1001 u1001 0 Oct 28 22:14 /mnt/my-file

	u1001@f2-vm:/$ ls -al /home/ubuntu/my-file
	-rw-rwxr--+ 1 ubuntu ubuntu 0 Oct 28 22:14 /home/ubuntu/my-file

	u1001@f2-vm:/$ getfacl /mnt/my-file
	getfacl: Removing leading '/' from absolute path names
	# file: mnt/my-file
	# owner: u1001
	# group: u1001
	user::rw-
	user:u1001:rwx
	group::rw-
	mask::rwx
	other::r--

	u1001@f2-vm:/$ getfacl /home/ubuntu/my-file
	getfacl: Removing leading '/' from absolute path names
	# file: home/ubuntu/my-file
	# owner: ubuntu
	# group: ubuntu
	user::rw-
	user:ubuntu:rwx
	group::rw-
	mask::rwx
	other::r--"

* tag 'idmapped-mounts-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: (41 commits)
  xfs: remove the possibly unused mp variable in xfs_file_compat_ioctl
  xfs: support idmapped mounts
  ext4: support idmapped mounts
  fat: handle idmapped mounts
  tests: add mount_setattr() selftests
  fs: introduce MOUNT_ATTR_IDMAP
  fs: add mount_setattr()
  fs: add attr_flags_to_mnt_flags helper
  fs: split out functions to hold writers
  namespace: only take read lock in do_reconfigure_mnt()
  mount: make {lock,unlock}_mount_hash() static
  namespace: take lock_mount_hash() directly when changing flags
  nfs: do not export idmapped mounts
  overlayfs: do not mount on top of idmapped mounts
  ecryptfs: do not mount on top of idmapped mounts
  ima: handle idmapped mounts
  apparmor: handle idmapped mounts
  fs: make helpers idmap mount aware
  exec: handle idmapped mounts
  would_dump: handle idmapped mounts
  ...
 2021-02-23 13:39:45 -08:00
Linus Torvalds
aa8e329172 Merge branch 'for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu 
Pull percpu updates from Dennis Zhou:
 "Percpu had a cleanup come in that makes use of the cpu bitmask helpers
  instead of the current iterative approach.

  This clean up then had an adverse interaction when clang's inlining
  sensitivity is changed such that not all sites are inlined resulting
  in modpost being upset with section mismatch due to percpu setup being
  marked __init.

  That was fixed by introducing __flatten to compiler_attributes.h"

* 'for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
  percpu: fix clang modpost section mismatch
  percpu: reduce the number of cpu distance comparisons
 2021-02-23 12:33:54 -08:00
Linus Torvalds
5cf0fd591f Kbuild: disable TRIM_UNUSED_KSYMS option 
The removal of EXPORT_UNUSED_SYMBOL() in commit 367948220f looks like
(and was sold as) a no-op, but it actually had a rather serious and
subtle side effect: the UNUSED_SYMBOLS option not only enabled the
removed (unused) functionality, it also _disabled_ the TRIM_UNUSED_KSYMS
functionality.

And it turns out that TRIM_UNUSED_KSYMS is a huge time waste, and takes
up a third of the kernel build time for me.  For no actual upside, since
no distro is likely to ever be able to enable it (because they all
support external kernel modules).

Rather than re-enable EXPORT_UNUSED_SYMBOL, this just disables the
TRIM_UNUSED_KSYMS option by marking it broken.  I'm tempted to just
remove the support entirely, but maybe somebody has a use-case and can
fix the behavior of it.

I could have just disabled it for COMPILE_TEST, but it really smells
like the TRIM_UNUSED_KSYMS option is badly done and not really useful,
so this takes the more direct approach - let's see if anybody ever
actually notices or complains.

Cc: Miroslav Benes <mbenes@suse.cz>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jessica Yu <jeyu@kernel.org>
Fixes: 367948220f ("module: remove EXPORT_UNUSED_SYMBOL*")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2021-02-23 12:21:58 -08:00
Linus Torvalds
21a6ab2131 Modules updates for v5.12 
Summary of modules changes for the 5.12 merge window:
 
 - Retire EXPORT_UNUSED_SYMBOL() and EXPORT_SYMBOL_GPL_FUTURE(). These export
   types were introduced between 2006 - 2008. All the of the unused symbols have
   been long removed and gpl future symbols were converted to gpl quite a long
   time ago, and I don't believe these export types have been used ever since.
   So, I think it should be safe to retire those export types now. (Christoph Hellwig)
 
 - Refactor and clean up some aged code cruft in the module loader (Christoph Hellwig)
 
 - Build {,module_}kallsyms_on_each_symbol only when livepatching is enabled, as
   it is the only caller (Christoph Hellwig)
 
 - Unexport find_module() and module_mutex and fix the last module
   callers to not rely on these anymore. Make module_mutex internal to
   the module loader. (Christoph Hellwig)
 
 - Harden ELF checks on module load and validate ELF structures before checking
   the module signature (Frank van der Linden)
 
 - Fix undefined symbol warning for clang (Fangrui Song)
 
 - Fix smatch warning (Dan Carpenter)
 
 Signed-off-by: Jessica Yu <jeyu@kernel.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQJEBAABCAAuFiEEVrp26glSWYuDNrCUwEV+OM47wXIFAmA0/KMQHGpleXVAa2Vy
 bmVsLm9yZwAKCRDARX44zjvBcu0uD/4nmRp18EKAtdUZivsZHat0aEWGlkmrVueY
 5huYw6iwM8b/wIAl3xwLki1Iv0/l0a83WXZhLG4ekl0/Nj8kgllA+jtBrZWpoLMH
 CZusN5dS9YwwyD2vu3ak83ARcehcDEPeA9thvc3uRFGis6Hi4bt1rkzGdrzsgqR4
 tybfN4qaQx4ZAKFxA8bnS58l7QTFwUzTxJfM6WWzl1Q+mLZDr/WP+loJ/f1/oFFg
 ufN31KrqqFpdQY5UKq5P4H8FVq/eXE1Mwl8vo3HsnAj598fznyPUmA3D/j+N4GuR
 sTGBVZ9CSehUj7uZRs+Qgg6Bd+y3o44N29BrdZWA6K3ieTeQQpA+VgPUNrDBjGhP
 J/9Y4ms4PnuNEWWRaa73m9qsVqAsjh9+T2xp9PYn9uWLCM8BvQFtWcY7tw4/nB0/
 INmyiP/tIRpwWkkBl47u1TPR09FzBBGDZjBiSn3lm3VX+zCYtHoma5jWyejG11cf
 ybDrTsci9ANyHNP2zFQsUOQJkph78PIal0i3k4ODqGJvaC0iEIH3Xjv+0dmE14rq
 kGRrG/HN6HhMZPjashudVUktyTZ63+PJpfFlQbcUzdvjQQIkzW0vrCHMWx9vD1xl
 Na7vZLl4Nb03WSJp6saY6j2YSRKL0poGETzGqrsUAHEhpEOPHduaiCVlAr/EmeMk
 p6SrWv8+UQ==
 =T29Q
 -----END PGP SIGNATURE-----

Merge tag 'modules-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux

Pull module updates from Jessica Yu:

 - Retire EXPORT_UNUSED_SYMBOL() and EXPORT_SYMBOL_GPL_FUTURE(). These
   export types were introduced between 2006 - 2008. All the of the
   unused symbols have been long removed and gpl future symbols were
   converted to gpl quite a long time ago, and I don't believe these
   export types have been used ever since. So, I think it should be safe
   to retire those export types now (Christoph Hellwig)

 - Refactor and clean up some aged code cruft in the module loader
   (Christoph Hellwig)

 - Build {,module_}kallsyms_on_each_symbol only when livepatching is
   enabled, as it is the only caller (Christoph Hellwig)

 - Unexport find_module() and module_mutex and fix the last module
   callers to not rely on these anymore. Make module_mutex internal to
   the module loader (Christoph Hellwig)

 - Harden ELF checks on module load and validate ELF structures before
   checking the module signature (Frank van der Linden)

 - Fix undefined symbol warning for clang (Fangrui Song)

 - Fix smatch warning (Dan Carpenter)

* tag 'modules-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
  module: potential uninitialized return in module_kallsyms_on_each_symbol()
  module: remove EXPORT_UNUSED_SYMBOL*
  module: remove EXPORT_SYMBOL_GPL_FUTURE
  module: move struct symsearch to module.c
  module: pass struct find_symbol_args to find_symbol
  module: merge each_symbol_section into find_symbol
  module: remove each_symbol_in_section
  module: mark module_mutex static
  kallsyms: only build {,module_}kallsyms_on_each_symbol when required
  kallsyms: refactor {,module_}kallsyms_on_each_symbol
  module: use RCU to synchronize find_module
  module: unexport find_module and module_mutex
  drm: remove drm_fb_helper_modinit
  powerpc/powernv: remove get_cxl_module
  module: harden ELF info handling
  module: Ignore _GLOBAL_OFFSET_TABLE_ when warning for undefined symbols
 2021-02-23 10:15:33 -08:00
Linus Torvalds
74268693e0 Microblaze patches for 5.12-rc1 
- Fix DTB alignment
 - Remove < GCC 4 support
 - Remove TRACING_SUPPORT selection
 -----BEGIN PGP SIGNATURE-----
 
 iF0EABECAB0WIQQbPNTMvXmYlBPRwx7KSWXLKUoMIQUCYDUOpQAKCRDKSWXLKUoM
 IXV5AJwLYpmRfG1q4n4Vz4t8Zxonajws4wCfRwxSKSGIYUh5oagjpVohEfptq1M=
 =TtkZ
 -----END PGP SIGNATURE-----

Merge tag 'microblaze-v5.12' of git://git.monstr.eu/linux-2.6-microblaze

Pull microblaze updates from Michal Simek:

 - Fix DTB alignment

 - Remove code for very old GCC versions

 - Remove TRACING_SUPPORT selection

* tag 'microblaze-v5.12' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: Fix built-in DTB alignment to be 8-byte aligned
  microblaze: Remove support for gcc < 4
  microblaze: do not select TRACING_SUPPORT directly
 2021-02-23 10:04:03 -08:00
Bob Peterson
17d7768408 gfs2: Don't get stuck with I/O plugged in gfs2_ail1_flush 
In gfs2_ail1_flush, we're using I/O plugging to give the block layer a
better chance of merging I/O requests.  If we're too aggressive here, we
can end up waiting on I/O to complete while still plugged.  Fix that in
a way similar to writeback_sb_inodes, except that we can't use
blk_flush_plug because blk_flush_plug_list is not exported.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2021-02-23 19:01:42 +01:00
Linus Torvalds
a56ff24efb objtool updates: 
- Make objtool work for big-endian cross compiles
 
  - Make stack tracking via stack pointer memory operations match push/pop
    semantics to prepare for architectures w/o PUSH/POP instructions.
 
  - Add support for analyzing alternatives
 
  - Improve retpoline detection and handling
 
  - Improve assembly code coverage on x86
 
  - Provide support for inlined stack switching
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmA1FUcTHHRnbHhAbGlu
 dXRyb25peC5kZQAKCRCmGPVMDXSYoe+0D/9ytW3AfQUOGlVHVPTwCAd2LSCL2kQR
 zrUAyUEwEXDuZi2vOcmgndr9AToszdBnAlxSOStJYE1/ia/ptbYjj9eFOWkCwPw2
 R0DSjTHh+Ui2yPjcbYvOcMphc7DTT1ssMvRWzw0I3fjfJaYBJjNx1qdseN2yhFrL
 BNhdh4B4StEfCbNBMhnzKTZNM1yXNN93ojot9suxnqPIAV6ruc5SUrd9Pmii2odX
 gRHQthGSPMR9nJYWrT2QzbDrM2DWkKIGUol0Xr1LTFYWNFsK3sTQkFiMevTP5Msw
 qO01lw4IKCMKMonaE0t/vxFBz5vhIyivxLQMI3LBixmf2dbE9UbZqW0ONPYoZJgf
 MrYyz4Tdv2u/MklTPM263cbTsdtmGEuW2iVRqaDDWP/Py1A187bUaVkw8p/9O/9V
 CBl8dMF3ag1FquxnsyHDowHKu8DaIZyeBHu69aNfAlcOrtn8ZtY4MwQbQkL9cNYe
 ywLEmCm8zdYNrXlVOuMX/0AAWnSpqCgDYUmKhOLW4W1r4ewNpAUCmvIL8cpLtko0
 FDbMTdKU2pd5SQv5YX6Bvvra483DvP9rNAuQGHpxZ7ubSlj8cFOT9UmjuuOb4fxQ
 EFj8JrF9KEN5sxGUu4tjg0D0Ee3wDdSTGs0cUN5FBMXelQOM7U4n4Y7n/Pas/LMa
 B5TVW3JiDcMcPg==
 =0AHf
 -----END PGP SIGNATURE-----

Merge tag 'objtool-core-2021-02-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool updates from Thomas Gleixner:

 - Make objtool work for big-endian cross compiles

 - Make stack tracking via stack pointer memory operations match
   push/pop semantics to prepare for architectures w/o PUSH/POP
   instructions.

 - Add support for analyzing alternatives

 - Improve retpoline detection and handling

 - Improve assembly code coverage on x86

 - Provide support for inlined stack switching

* tag 'objtool-core-2021-02-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits)
  objtool: Support stack-swizzle
  objtool,x86: Additionally decode: mov %rsp, (%reg)
  x86/unwind/orc: Change REG_SP_INDIRECT
  x86/power: Support objtool validation in hibernate_asm_64.S
  x86/power: Move restore_registers() to top of the file
  x86/power: Annotate indirect branches as safe
  x86/acpi: Support objtool validation in wakeup_64.S
  x86/acpi: Annotate indirect branch as safe
  x86/ftrace: Support objtool vmlinux.o validation in ftrace_64.S
  x86/xen/pvh: Annotate indirect branch as safe
  x86/xen: Support objtool vmlinux.o validation in xen-head.S
  x86/xen: Support objtool validation in xen-asm.S
  objtool: Add xen_start_kernel() to noreturn list
  objtool: Combine UNWIND_HINT_RET_OFFSET and UNWIND_HINT_FUNC
  objtool: Add asm version of STACK_FRAME_NON_STANDARD
  objtool: Assume only ELF functions do sibling calls
  x86/ftrace: Add UNWIND_HINT_FUNC annotation for ftrace_stub
  objtool: Support retpoline jump detection for vmlinux.o
  objtool: Fix ".cold" section suffix check for newer versions of GCC
  objtool: Fix retpoline detection in asm code
  ...
 2021-02-23 09:56:13 -08:00
Andreas Gruenbacher
803074ad77 Merge branches 'rgrp-glock-sharing' and 'gfs2-revoke' from https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git 
Merge the resource group glock sharing feature and the revoke accounting rework.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2021-02-23 18:54:22 +01:00
Linus Torvalds
79db4d2293 clang-lto series for v5.12-rc1 
- Clang LTO build infrastructure and arm64-specific enablement (Sami Tolvanen)
 - Recursive build CC_FLAGS_LTO fix (Alexander Lobakin)
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmA0OEYACgkQiXL039xt
 wCYGJw/8CcyvQUGmXYEZVDLMahKz93RYijiGuSTVnhl0pNAyfOojaZ8Z//eD1VNA
 s82azW1XybbA6RnPGD7YQzYz27cSF2qUFDmplwVfE4mwBnPXzRxtVBDLSxksP1HS
 77sCOu91QhbovPCWET4dSHLJB3DVc78FiW4lVlRgrglyAz+dut1iXYar5e7VNoS0
 S4MwnqwteHC6YXP619rubhpdDoj7njuw1uxRIaodt9S/zRSpl5MCUgHmzQusgezs
 yWDdPHPWHnF7xxKgwSvE7AKZPdOnIxKxRi6Yd6vUIyrYB3qLZkFe75nUsgMroAhs
 /Bgrn69U2McMiJsOdh0ERzP2VNYfvMacBQ308nb45j83Bgv5l6uj8QOZU4ZogmXV
 PsDzsfUe9GsxgYexfozGX61rpd6JinzQKVyoDW3oTT54fbBxO3uDqT8kOBw72dPT
 9nkOxTzyb+UO0dpb/MhXLGkGcv8+lTA5ffVIKUx5UxKngRbukc3dxwVJgO4HmucK
 bwVQGD83D+/if5/JL9WtQRjDwFEn+IFmdv+3cAXkRo4IIS18LPZB1MJncTeWr8Z9
 HlkuDXlJOncUWCABGd1IKu1j0S2HpXV4qhqQXJ6PdfOvUPEaD9qgqEAjD5FxxyXF
 wpaV2MWya5i1FGwD5UKhi8hVnAFJyF0/w+enjiPwlmIbjdyEVXE=
 =6peY
 -----END PGP SIGNATURE-----

Merge tag 'clang-lto-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull clang LTO updates from Kees Cook:
 "Clang Link Time Optimization.

  This is built on the work done preparing for LTO by arm64 folks,
  tracing folks, etc. This includes the core changes as well as the
  remaining pieces for arm64 (LTO has been the default build method on
  Android for about 3 years now, as it is the prerequisite for the
  Control Flow Integrity protections).

  While x86 LTO enablement is done, it depends on some pending objtool
  clean-ups. It's possible that I'll send a "part 2" pull request for
  LTO that includes x86 support.

  For merge log posterity, and as detailed in commit dc5723b02e
  ("kbuild: add support for Clang LTO"), here is the lt;dr to do an LTO
  build:

        make LLVM=1 LLVM_IAS=1 defconfig
        scripts/config -e LTO_CLANG_THIN
        make LLVM=1 LLVM_IAS=1

  (To do a cross-compile of arm64, add "CROSS_COMPILE=aarch64-linux-gnu-"
  and "ARCH=arm64" to the "make" command lines.)

  Summary:

   - Clang LTO build infrastructure and arm64-specific enablement (Sami
     Tolvanen)

   - Recursive build CC_FLAGS_LTO fix (Alexander Lobakin)"

* tag 'clang-lto-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  kbuild: prevent CC_FLAGS_LTO self-bloating on recursive rebuilds
  arm64: allow LTO to be selected
  arm64: disable recordmcount with DYNAMIC_FTRACE_WITH_REGS
  arm64: vdso: disable LTO
  drivers/misc/lkdtm: disable LTO for rodata.o
  efi/libstub: disable LTO
  scripts/mod: disable LTO for empty.c
  modpost: lto: strip .lto from module names
  PCI: Fix PREL32 relocations for LTO
  init: lto: fix PREL32 relocations
  init: lto: ensure initcall ordering
  kbuild: lto: add a default list of used symbols
  kbuild: lto: merge module sections
  kbuild: lto: limit inlining
  kbuild: lto: fix module versioning
  kbuild: add support for Clang LTO
  tracing: move function tracer options to Kconfig
 2021-02-23 09:28:51 -08:00
Linus Torvalds
3b9cdafb53 This is the bulk of pin control changes for the v5.12 kernel. 
This time a calm set with no core changes.
 
 New drivers/subdrivers:
 
 - Renesas R8A7790A0 pin controller.
 
 - Allwinner H616 and H616-R pin controllers.
 
 - Qualcomm SM8350 and SC8180x pin controllers.
 
 Improvements:
 
 - Redo the DT bindings for Ralink RT2880.
 
 - A common Qualcomm TLMM DT binding in YAML.
 
 - Delete the unused drivers for U300, COH901, Sirf Atlas, and ZTE ZX.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEElDRnuGcz/wPCXQWMQRCzN7AZXXMFAmAy848ACgkQQRCzN7AZ
 XXPR0BAArpuUx8elp/+y+gDzL/5Lsv3aJ3AQ9yLfBda380YFwGWZSqjAEovVbhKx
 6Xm4g+MzQQ+sxcIHZY7tVWnrI1sbp6MaljVFLqPWWHeY4h4trsw6d+u2bMOFkJTl
 z0++Ybck+NTscTBvaN0wHqfao3IOU8FG5rL8y9azn9glfQg+xgKCbgAecUgjPXBI
 9YLCGMl8mnzH1sl+aImKDszYEuc29NGJrstmkVWcYGVR/XYfxEqNhtT4FlO2P9X1
 FNhQYgS0zJsu7UgOOgBsg0xRK5X9pWimwupxEH8MwqANivV3VGweQpcyqIlnA5Qe
 aXQEa+ZIndOoAsr5UvaHgDXucos7x1odm5AHuIb4V2aGOF5IYyj+iyR3Av4ODdpM
 +mYI+w9Nydlu1o1JiOb1hAxWNSb2NOBcrOcuiSAIJC7/rO/rqaAPpWmzxSYvGNFO
 xJTbMN3DtLokE/u9BxCVsXiEFXMy3IA5vu5o+Xks6HRLclWOAqeZJO3uhnlBc8Me
 qsijZxlugCUIvI7pdKblzOfO+PnB0rLX/7m05/ESTqh6vDcwrZjXLSH0bRWWZBvD
 CEtBtkIJGjdWsqMk0bqTXJkoqScaKdi0nLSFPK0qOCeqa0ShbxjqU4Vq/f4cQSu+
 DzUhF5qBdIaJhDY7V5V7vWygp48+AKVvFtHHmTD+Wb9AJL0MZiY=
 =WKZ8
 -----END PGP SIGNATURE-----

Merge tag 'pinctrl-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control updates from Linus Walleij:
 "This is the bulk of pin control changes for the v5.12 kernel.

  This time a calm set with no core changes.

  New drivers/subdrivers:

   - Renesas R8A7790A0 pin controller.

   - Allwinner H616 and H616-R pin controllers.

   - Qualcomm SM8350 and SC8180x pin controllers.

  Improvements:

   - Redo the DT bindings for Ralink RT2880.

   - A common Qualcomm TLMM DT binding in YAML.

   - Delete the unused drivers for U300, COH901, Sirf Atlas, and ZTE ZX"

* tag 'pinctrl-v5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (71 commits)
  pinctrl: mediatek: Fix trigger type setting follow for unexpected interrupt
  dt-bindings: pinctrl: Group tuples in pin control properties
  pinctrl: nuvoton: npcm7xx: Fix alignment of table header comment
  pinctrl: at91-pio4: fix "Prefer 'unsigned int' to bare use of 'unsigned'"
  pinctrl: at91-pio4: add support for slew-rate
  dt-bindings: pinctrl: at91-pio4: add slew-rate
  pinctrl: actions: Add depends on || COMPILE_TEST
  pinctrl: single: set function name when adding function
  pinctrl: qcom: Add sc8180x TLMM driver
  dt-bindings: pinctrl: qcom: Add sc8180x binding
  dt-bindings: pinctrl: qcom: Define common TLMM binding
  pinctrl: qcom: Add SM8350 pinctrl driver
  dt-bindings: pinctrl: qcom: Add SM8350 pinctrl bindings
  pinctrl: samsung: use raw_spinlock for s3c64xx
  dt-bindings: mediatek: mt8192: Fix dt_binding_check warning
  pinctrl: qcom: spmi-mpp: Add PM8019 compatible
  pinctrl: pinmux: add function selector to pinmux-functions
  pinctrl: samsung: use raw_spinlock for locking
  pinctrl: clarify #pinctrl-cells for pinctrl-single,pins
  pinctrl: actions: Add the platform dependency to drivers
  ...
 2021-02-22 18:39:11 -08:00
Linus Torvalds
f81f213850 Pull request for IPMI for 5.12 
Only one change in this pull, but it's required for other things, so it
 needs to go in.
 
 -corey
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEE/Q1c5nzg9ZpmiCaGYfOMkJGb/4EFAmAz8v8ACgkQYfOMkJGb
 /4G9+g/+M/XG9oHd+3i3dFW7l0IL4ew2IJf+KfL5DG74eSLsqyHtYxn4SCxD1kAn
 TKdlq8Hs2n6QqKdxyVK2DHe4wtohFc6qBmNOpPNprdUq5QJel3b98+hmVnxw2H1w
 2RZGAaPIe1ws9QSnakErjxhWYv5/+YvYDlH/R8ogaILEGH1YvssbKX6ielBZWYKd
 AcuRlktB65o5H9R9K/mevB4bOdjUwY335r1t9Ht/fmIwWk4BnAgyA9PFqaNOa30A
 Kipa9Sc3JyNKkVEfFM6lf9sMaABRpLgQmqZBkSoX85mRv/5mGvSSAhi2zBbF5B0+
 +sQ63dTTK3IatlMW67OFUBXVdrO7QrMzLteaNK4eEMo/G7c1lNWHgDGaPubXsJTH
 isXdyE0d/dk/5dL3rEYZGYWwkB06BfOx85fNkwQTcKXDaF/CF2xI2RLGLGQd/0XX
 8sMKv94ih/3iGBJTFrUrRTY7oJJiQG7l6y8dy7H+Cg2oN3w0+9Vu077qW8D0WGfA
 gtbmqNjC7CFyiRWS//wYdePJyAfAXTfkcIOonajA3J/HmSIzz5ktkp2ARu64PcpY
 4Q+WzKXF7lB8ddqelnw7aoO1hDYqeq/7PSNisQqctKlGrvQGnnIQ+3tYvyKykF8N
 EhatlXsNcBoeezVAspRLXn1qZKVAmmRLZNOTFBQYuI7HBSp44t4=
 =ps08
 -----END PGP SIGNATURE-----

Merge tag 'for-linus-5.12-1' of git://github.com/cminyard/linux-ipmi

Pull IPMI update from Corey Minyard:
 "Only one change, but it's required for other things, so it needs to go
  in"

* tag 'for-linus-5.12-1' of git://github.com/cminyard/linux-ipmi:
  ipmi: remove open coded version of SMBus block write
 2021-02-22 18:35:18 -08:00
Linus Torvalds
e913a8cdc2 Fixes around VM_FPNMAP and follow_pfn 
- replace mm/frame_vector.c by get_user_pages in misc/habana and
   drm/exynos drivers, then move that into media as it's sole user
 - close race in generic_access_phys
 - s390 pci ioctl fix of this series landed in 5.11 already
 - properly revoke iomem mappings (/dev/mem, pci files)
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEb4nG6jLu8Y5XI+PfTA9ye/CYqnEFAmAzgywACgkQTA9ye/CY
 qnFPbA//RUHB5bD7vwnEglfJhonKSi/Vt3dNQwUI+pCFK8muWvvPyTkGXKjjT2dI
 uAOY2F23wymtIexV3fNLgnMez7kMcupOLkdxJic4GiO+HJn1jnkshdX7/dGtUW7O
 G3yfnf/D27i912tT3j6PN7dVnasAYYtndCgImM027Zigzn4ibY+02tnzd5XTj1F8
 yq8Swx88oqF8v10HxfpF3RLShqT3S17mFmd9dTv0GkZX497Pe75O44XcXzkD33Bj
 wasH2Tz8gMEQx6TNAGlJe13dzDHReh2cG0z2r+6PTA6KnaMMxbEIImHNuhWOmHb/
 nf8Jpu9uMOLzB+3hG3TzISTDBhAgPfoJ8Ov40VJCWMtCVBnyMyPJr28Oobb8Dj3V
 SXvjSVlLeobOLt+E9vAS+Rmas07LCGBdNP9sexxV7S/sveSQ5W+FptaQW03EghwA
 nBYEUC68WqpX99lJCFPmv5zmy5xkecjpU6mLHZljtV1ORzktqWZdVhmC8njHMAMY
 Hi/emnPxEX1FpOD38rr7F9KUUSsy4t/ZaCgVaLcxCcbglCHXSHC41R09p9TBRSJo
 G6Lksjyj4aa+UL5dZDAtLY0shg0bv2u93dGQNaDAC+uzj6D0ErBBzDK570zBKjp/
 75+nqezJlD0d7I6rOl6FwiEYeSrYXJxYEveKVUr8CnH6sfeBlwo=
 =lQoR
 -----END PGP SIGNATURE-----

Merge tag 'topic/iomem-mmap-vs-gup-2021-02-22' of git://anongit.freedesktop.org/drm/drm

Pull follow_pfn() updates from Daniel Vetter:
 "Fixes around VM_FPNMAP and follow_pfn:

   - replace mm/frame_vector.c by get_user_pages in misc/habana and
     drm/exynos drivers, then move that into media as it's sole user

   - close race in generic_access_phys

   - s390 pci ioctl fix of this series landed in 5.11 already

   - properly revoke iomem mappings (/dev/mem, pci files)"

* tag 'topic/iomem-mmap-vs-gup-2021-02-22' of git://anongit.freedesktop.org/drm/drm:
  PCI: Revoke mappings like devmem
  PCI: Also set up legacy files only after sysfs init
  sysfs: Support zapping of binary attr mmaps
  resource: Move devmem revoke code to resource framework
  /dev/mem: Only set filp->f_mapping
  PCI: Obey iomem restrictions for procfs mmap
  mm: Close race in generic_access_phys
  media: videobuf2: Move frame_vector into media subsystem
  mm/frame-vector: Use FOLL_LONGTERM
  misc/habana: Use FOLL_LONGTERM for userptr
  misc/habana: Stop using frame_vector helpers
  drm/exynos: Use FOLL_LONGTERM for g2d cmdlists
  drm/exynos: Stop using frame_vector helpers
 2021-02-22 17:45:02 -08:00
Linus Torvalds
4b5f9254e4 kconfig for kcmp syscall 
drm userspaces uses this, systemd uses this, makes sense to pull it
 out from the checkpoint-restore bundle. Kees reviewed this from
 security pov and is happy with the final version.
 
 LWN coverage: https://lwn.net/Articles/845448/
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEb4nG6jLu8Y5XI+PfTA9ye/CYqnEFAmAzaXIACgkQTA9ye/CY
 qnH5FQ//eL/7a/PDICuCRIN2p2aQwHoe9d12q+01RolAgce6F9mR9SFiKGSCR+t7
 daw4G/BaGxSYzvz1IqWbXDMhN87jAXV/IGs9k4OkSIcbnDmMY78EKMZB1c1t7AZo
 zmeAuQvmTAcBogTwC6IE9N1JwhH3fmudq4p8zZ4zLojJNSPjrwCvF/xQI/Yaw52V
 CTfni8mrjYJ+pZ1qn9XP3IceAFEEI27ubZj2DJU+5xpRJAdIAobo0XbVOf8XQ0uc
 /BRLyXFS66EDsY1wWHT6y6UXDNZgbLic0olC1aielaBJh+Wq6bQHgephxpasU5y7
 cZX7XTX2N1q8j8NmgzWLYRgERqtXv0CPHKdimTs8SaUcPDGhxcnwPR6hmdQEC+i6
 IjntWMERjfuyD+s6qVuc7s8WS7+Ry9OxgdVskHASqGpBvsSliXN1o02Am6WUuGsB
 HZxTjCe967FyL4LGU0YjobMTUUSWfYQkOBKABlvYUySNZ0ZHnSygHIWiWjC6b89A
 KmXiHJoocNfDlKwX6bf3OWQ+dGGFu2wo5wYzldIiqYJVidp50xdOosdRE1R6WwuG
 IOLCdNKdqDgtig+90/fFZ06liXZvqUdDafWgUs/g6lLquFrcq5aAIiSdR6PcPKB0
 MwfWcCglLtYrxgDHvNaqnW18yRQq2TGbe+A65aXzLPp45pKP8Hk=
 =uiSj
 -----END PGP SIGNATURE-----

Merge tag 'topic/kcmp-kconfig-2021-02-22' of git://anongit.freedesktop.org/drm/drm

Pull kcmp kconfig update from Daniel Vetter:
 "Make the kcmp syscall available independently of checkpoint/restore.

  drm userspaces uses this, systemd uses this, so makes sense to pull it
  out from the checkpoint-restore bundle.

  Kees reviewed this from security pov and is happy with the final
  version"

Link: https://lwn.net/Articles/845448/

* tag 'topic/kcmp-kconfig-2021-02-22' of git://anongit.freedesktop.org/drm/drm:
  kcmp: Support selection of SYS_kcmp without CHECKPOINT_RESTORE
 2021-02-22 17:15:30 -08:00
Linus Torvalds
7b0b78df9c Merge branch 'userns-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 
Pull user namespace update from Eric Biederman:
 "There are several pieces of active development, but only a single
  change made it through the gauntlet to be ready for v5.12. That change
  is tightening up the semantics of the v3 capabilities xattr. It is
  just short of being a bug-fix/security issue as no user space is known
  to even generate the problem case"

* 'userns-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  capabilities: Don't allow writing ambiguous v3 file capabilities
 2021-02-22 17:13:33 -08:00
Linus Torvalds
ac9e806c9c Merge branch 'for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 
Pull qorkqueue updates from Tejun Heo:
 "Tracepoint and comment updates only"

* 'for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Use %s instead of function name
  workqueue: tracing the name of the workqueue instead of it's address
  workqueue: fix annotation for WQ_SYSFS
 2021-02-22 17:06:54 -08:00
Linus Torvalds
4b3bd22b12 Merge branch 'for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 
Pull cgroup updates from Tejun Heo:
 "Nothing interesting. Just two minor patches"

* 'for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cpuset: fix typos in comments
  cgroup: cgroup.{procs,threads} factor out common parts
 2021-02-22 16:50:56 -08:00
Linus Torvalds
b12b472496 powerpc updates for 5.12 
A large series adding wrappers for our interrupt handlers, so that irq/nmi/user
 tracking can be isolated in the wrappers rather than spread in each handler.
 
 Conversion of the 32-bit syscall handling into C.
 
 A series from Nick to streamline our TLB flushing when using the Radix MMU.
 
 Switch to using queued spinlocks by default for 64-bit server CPUs.
 
 A rework of our PCI probing so that it happens later in boot, when more generic
 infrastructure is available.
 
 Two small fixes to allow 32-bit little-endian processes to run on 64-bit
 kernels.
 
 Other smaller features, fixes & cleanups.
 
 Thanks to:
   Alexey Kardashevskiy, Ananth N Mavinakayanahalli, Aneesh Kumar K.V, Athira
   Rajeev, Bhaskar Chowdhury, Cédric Le Goater, Chengyang Fan, Christophe Leroy,
   Christopher M. Riedl, Fabiano Rosas, Florian Fainelli, Frederic Barrat, Ganesh
   Goudar, Hari Bathini, Jiapeng Chong, Joseph J Allen, Kajol Jain, Markus
   Elfring, Michal Suchanek, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Oliver
   O'Halloran, Pingfan Liu, Po-Hsu Lin, Qian Cai, Ram Pai, Randy Dunlap, Sandipan
   Das, Stephen Rothwell, Tyrel Datwyler, Will Springer, Yury Norov, Zheng
   Yongjun.
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAmAzMagTHG1wZUBlbGxl
 cm1hbi5pZC5hdQAKCRBR6+o8yOGlgAbBD/wMS2g1Q9oAGZPsx2NGd2RoeAauGxUs
 Yj6cZVmR+oa6sJyFYgEG7dT7tcwJITQxLBD3HpsHSnJ/rLrMloE33+cZNA9c4STz
 0mlzm3R7M5pOgcEqZglsgLP0RQeUuHSSF01g0kf1N3r+HYtmbmPjuUIl8CnAjlbT
 iMD2ZN2p8/r3kDDht0iBO534HUpsqhc00duSZgQhsV/PR7ZWVxoPk7PEJeo4vXlJ
 77986F7J5NLUTjMiLv5lTx49FcPbRd7a1jubsBtahJrwXj2GVvuy2i86G7HY+a+B
 eSxN7zJQgaFeLo0YPo7fZLBI0MAsIQt3nnZhKX0TMglbv/K8Aq64xiJqsVQdJ883
 CeEt0HvSJhsSC0C4O595NEINfDhDd+5IeSF9MvsujYXiUKRXtRkm1EPuAzTcZIzW
 NwkCLRo33NMXa+khMKaiqF/g7INayPUXoWESx75NXFsuNfcORvstkeUuEoi5GwJo
 TSlmosFqwRjghQ8eTLZuWBzmh3EpPGdtC4gm6D+lbzhzjah5c/1whyuLqra275kK
 E3Qt0/V0ixKyvlG7MI5yYh3L7+R/hrsflH7xIJJxZp2DW6mwBJzQYmkxDbSS8PzK
 nWien2XgpIQhSFat3QqreEFSfNkzdN2MClVi2Y1hpAgi+2Zm9rPdPNGcQI+DSOsB
 kpJkjOjWNJU/PQ==
 =dB2S
 -----END PGP SIGNATURE-----

Merge tag 'powerpc-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - A large series adding wrappers for our interrupt handlers, so that
   irq/nmi/user tracking can be isolated in the wrappers rather than
   spread in each handler.

 - Conversion of the 32-bit syscall handling into C.

 - A series from Nick to streamline our TLB flushing when using the
   Radix MMU.

 - Switch to using queued spinlocks by default for 64-bit server CPUs.

 - A rework of our PCI probing so that it happens later in boot, when
   more generic infrastructure is available.

 - Two small fixes to allow 32-bit little-endian processes to run on
   64-bit kernels.

 - Other smaller features, fixes & cleanups.

Thanks to: Alexey Kardashevskiy, Ananth N Mavinakayanahalli, Aneesh
Kumar K.V, Athira Rajeev, Bhaskar Chowdhury, Cédric Le Goater, Chengyang
Fan, Christophe Leroy, Christopher M. Riedl, Fabiano Rosas, Florian
Fainelli, Frederic Barrat, Ganesh Goudar, Hari Bathini, Jiapeng Chong,
Joseph J Allen, Kajol Jain, Markus Elfring, Michal Suchanek, Nathan
Lynch, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran, Pingfan Liu,
Po-Hsu Lin, Qian Cai, Ram Pai, Randy Dunlap, Sandipan Das, Stephen
Rothwell, Tyrel Datwyler, Will Springer, Yury Norov, and Zheng Yongjun.

* tag 'powerpc-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (188 commits)
  powerpc/perf: Adds support for programming of Thresholding in P10
  powerpc/pci: Remove unimplemented prototypes
  powerpc/uaccess: Merge raw_copy_to_user_allowed() into raw_copy_to_user()
  powerpc/uaccess: Merge __put_user_size_allowed() into __put_user_size()
  powerpc/uaccess: get rid of small constant size cases in raw_copy_{to,from}_user()
  powerpc/64: Fix stack trace not displaying final frame
  powerpc/time: Remove get_tbl()
  powerpc/time: Avoid using get_tbl()
  spi: mpc52xx: Avoid using get_tbl()
  powerpc/syscall: Avoid storing 'current' in another pointer
  powerpc/32: Handle bookE debugging in C in syscall entry/exit
  powerpc/syscall: Do not check unsupported scv vector on PPC32
  powerpc/32: Remove the counter in global_dbcr0
  powerpc/32: Remove verification of MSR_PR on syscall in the ASM entry
  powerpc/syscall: implement system call entry/exit logic in C for PPC32
  powerpc/32: Always save non volatile GPRs at syscall entry
  powerpc/syscall: Change condition to check MSR_RI
  powerpc/syscall: Save r3 in regs->orig_r3
  powerpc/syscall: Use is_compat_task()
  powerpc/syscall: Make interrupt.c buildable on PPC32
  ...
 2021-02-22 14:34:00 -08:00
Linus Torvalds
6ff6f86bc4 ARM updates for 5.12-rc1: 
- Generalise byte swapping assembly
 - Update debug addresses for STI
 - Validate start of physical memory with DTB
 - Do not clear SCTLR.nTLSMD in decompressor
 - amba/locomo/sa1111 devices remove method return type is void
 - address markers for KASAN in page table dump
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEuNNh8scc2k/wOAE+9OeQG+StrGQFAmAzrfYACgkQ9OeQG+St
 rGTmRQ/+MG9BO1WahlXZ9eVx6n6KmtwlzAy5m4B24GomvcXsa+T2s0Vs43hAsOQ2
 f/b6n1mPlwRjAvKW8IfO243HKDE6STGbtVPae6ts586QCODs8i3MQsq4SWmM/DMk
 TR87hTo1zd4baVT9tkM8/UdUwQjr0yRf4ZDhcCj09tMClnV/8ZAEE9/lLkBpDoer
 wcuPaDtRfJhN+Pqnm8ES8KPj15nVm/GFWBFoDWZIOCjyDnl8Y/1Bnz3NeqzfwM1o
 O0NS/9a1tMBn7TNGkkcJCimqOLZS2OgxLND8fie0rC5fmwzVomKXE24OdXpSQCps
 LiGJr+iQOaX6qNqJY2h1If8F+RPwKfh4Mrk12x0MWB6Ap2iKsQ6bmtUCNatmJ4PG
 5iKV5zY0SwKRYXAkXcNosEPUJqZirFHJCzrQ8IBmiSJ1cahZykWFgorDnA97kNLR
 Wlp2Y/037ug7EGZ0YSaXvbpuMyyjDP4TBKqBiSl7a90QYoXQg2QgcrBO3kVlh/5H
 Dxq9URvIpDLIGo1EUBU90kB54TUeDhJVHJWDfXNwOp4dP1Xm6b2w+d86GnUQanlC
 sinRut1ULMyitmIzg9F74MZKaSJ65ffEP3nZKIAlSSISQL+/bXtMDVtakVGsv1k1
 w4IdACf3GqbjHig4mOX0oW7IwtyfBY+0q3udY28ASW0ujsH9qHE=
 =BULT
 -----END PGP SIGNATURE-----

Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:

 - Generalise byte swapping assembly

 - Update debug addresses for STI

 - Validate start of physical memory with DTB

 - Do not clear SCTLR.nTLSMD in decompressor

 - amba/locomo/sa1111 devices remove method return type is void

 - address markers for KASAN in page table dump

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9065/1: OABI compat: fix build when EPOLL is not enabled
  ARM: 9055/1: mailbox: arm_mhuv2: make remove callback return void
  amba: Make use of bus_type functions
  amba: Make the remove callback return void
  vfio: platform: simplify device removal
  amba: reorder functions
  amba: Fix resource leak for drivers without .remove
  ARM: 9054/1: arch/arm/mm/mmu.c: Remove duplicate header
  ARM: 9053/1: arm/mm/ptdump:Add address markers for KASAN regions
  ARM: 9051/1: vdso: remove unneded extra-y addition
  ARM: 9050/1: Kconfig: Select ARCH_HAVE_NMI_SAFE_CMPXCHG where possible
  ARM: 9049/1: locomo: make locomo bus's remove callback return void
  ARM: 9048/1: sa1111: make sa1111 bus's remove callback return void
  ARM: 9047/1: smp: remove unused variable
  ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores
  ARM: 9045/1: uncompress: Validate start of physical memory against passed DTB
  ARM: 9042/1: debug: no uncompress debugging while semihosting
  ARM: 9041/1: sti LL_UART: add STiH418 SBC UART0 support
  ARM: 9040/1: use DEBUG_UART_PHYS and DEBUG_UART_VIRT for sti LL_UART
  ARM: 9039/1: assembler: generalize byte swapping macro into rev_l
 2021-02-22 14:27:07 -08:00
Linus Torvalds
4aa364443d A small set of clockevent fixes which fell through the cracks 
before the 5.11 release:
 
    - Ensure a clock is enabled on sh_cmt
    - Trivial compile fail and compile warning fixes
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmA0A4QTHHRnbHhAbGlu
 dXRyb25peC5kZQAKCRCmGPVMDXSYoUopD/9txKYMgYoUZP0H49JcvuWucilYz3eo
 vQitUwfSx6zavtM4vbAiYhGkjc826/6ljqfgbxUVlhLhQr+4p3RrTUwkrCKYUh0Q
 ohG3/KemqyPN2q1JG6Uf4gcnQn3SLe7ljvYmSxrr9XPtd+hq0+smDKS2ROgFTPS1
 +5axxVrqnVxQF0UIyU9zrcnT/IDR1kPPHJ68lauF4U0z0mDBIyW81giAI8iFTx8W
 e15mtn4tGOf4nArRPi/4xsrpPUaphzfu9vmcs9XevQJugnXkvKwgdWlefszPdjPb
 JqP+L56AE3/R39fxe25KuHJVdNgXEvyxT+BmCuKveDRxIIOdAdg9XxS2TRg1RDOV
 pQU+pUHr3JB5IzMYJrf6LTpzyEazCaxewEys8kIejPoAGRcyQcja2UYOnXvmySQb
 DU2b9rSotsAe6oqwyi34nAdexpv7+PWIx69xIzNWEdTS8yy0dn4j1f9c7hRGNp/S
 XC4MNdgqsK7WsCyLSZp2z7WzHZG3bHPzjnFnIpniXM/rOmRkmCujSSlaUKOnJZbO
 hzgxvF0YtAIreq5u5LOhmiUybWACHHA5IhGhNYr7grOPhB+7feMfeyXBvL0fIwY5
 Y+7fowd6QINLnspdDQPvMLNS9aM+cGzkaYMVwKQX7SYE/moyvOzUFiCUuLedi1ZR
 q0FPsfN6+b0UqQ==
 =xPBh
 -----END PGP SIGNATURE-----

Merge tag 'timers-urgent-2021-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fixes from Thomas Gleixner:
 "A small set of clockevent fixes which fell through the cracks before
  the 5.11 release:

   - Ensure a clock is enabled on sh_cmt

   - Trivial compile fail and compile warning fixes"

* tag 'timers-urgent-2021-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource/drivers/mxs_timer: Add missing semicolon when DEBUG is defined
  clocksource/drivers/sh_cmt: Make sure channel clock supply is enabled
  clocksource/drivers/ixp4xx: Select TIMER_OF when needed
 2021-02-22 14:11:36 -08:00
Linus Torvalds
c958423470 Tracing updates for 5.12 
- Update to the way irqs and preemption is tracked via the trace event PC field
 
  - Fix handling of unregistering event failing due to allocate memory.
    This is only triggered by failure injection, as it is pretty much guaranteed
    to have less than a page allocation succeed.
 
  - Do not show the useless "filter" or "enable" files for the "ftrace" trace
    system, as they have no effect on doing anything.
 
  - Add a warning if kprobes are registered more than once.
 
  - Synthetic events now have their fields parsed by semicolons.
    Old formats without semicolons will still work, but new features will
    require them.
 
  - New option to allow trace events to show %p without hashing in trace file.
    The trace file can only be read by root, and reading the raw event buffer
    did not have any pointers hashed, so this does not expose anything new.
 
  - New directory in tools called tools/tracing, where a new tool that reads
    sequential latency reports from the ftrace latency tracers.
 
  - Other minor fixes and cleanups.
 -----BEGIN PGP SIGNATURE-----
 
 iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCYDL2wBQccm9zdGVkdEBn
 b29kbWlzLm9yZwAKCRAp5XQQmuv6qti6AP0RUcSU5U1onx8DcwPQLC5Xr3CPqJkm
 RvKeJDdgFP+sVgEAiMTFsy2UMc0gmlHZMFd5nZLSiJCu1I2hHmhS5yKbHgY=
 =fD9+
 -----END PGP SIGNATURE-----

Merge tag 'trace-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:

 - Update to the way irqs and preemption is tracked via the trace event
   PC field

 - Fix handling of unregistering event failing due to allocate memory.
   This is only triggered by failure injection, as it is pretty much
   guaranteed to have less than a page allocation succeed.

 - Do not show the useless "filter" or "enable" files for the "ftrace"
   trace system, as they have no effect on doing anything.

 - Add a warning if kprobes are registered more than once.

 - Synthetic events now have their fields parsed by semicolons. Old
   formats without semicolons will still work, but new features will
   require them.

 - New option to allow trace events to show %p without hashing in trace
   file. The trace file can only be read by root, and reading the raw
   event buffer did not have any pointers hashed, so this does not
   expose anything new.

 - New directory in tools called tools/tracing, where a new tool that
   reads sequential latency reports from the ftrace latency tracers.

 - Other minor fixes and cleanups.

* tag 'trace-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (33 commits)
  kprobes: Fix to delay the kprobes jump optimization
  tracing/tools: Add the latency-collector to tools directory
  tracing: Make hash-ptr option default
  tracing: Add ptr-hash option to show the hashed pointer value
  tracing: Update the stage 3 of trace event macro comment
  tracing: Show real address for trace event arguments
  selftests/ftrace: Add '!event' synthetic event syntax check
  selftests/ftrace: Update synthetic event syntax errors
  tracing: Add a backward-compatibility check for synthetic event creation
  tracing: Update synth command errors
  tracing: Rework synthetic event command parsing
  tracing/dynevent: Delegate parsing to create function
  kprobes: Warn if the kprobe is reregistered
  ftrace: Remove unused ftrace_force_update()
  tracepoints: Code clean up
  tracepoints: Do not punish non static call users
  tracepoints: Remove unnecessary "data_args" macro parameter
  tracing: Do not create "enable" or "filter" files for ftrace event subsystem
  kernel: trace: preemptirq_delay_test: add cpu affinity
  tracepoint: Do not fail unregistering a probe due to memory failure
  ...
 2021-02-22 14:07:15 -08:00
Linus Torvalds
3a36281a17 New features: 
- Support instruction latency in 'perf report', with both memory latency
   (weight) and instruction latency information, users can locate expensive load
   instructions and understand time spent in different stages.
 
 - Extend 'perf c2c' to display the number of loads which were blocked by data
   or address conflict.
 
 - Add 'perf stat' support for L2 topdown events in systems such as Intel's
   Sapphire rapids server.
 
 - Add support for PERF_SAMPLE_CODE_PAGE_SIZE in various tools, as a sort key, for instance:
 
     perf report --stdio --sort=comm,symbol,code_page_size
 
 - New 'perf daemon' command to run long running sessions while providing a way to control
   the enablement of events without restarting a traditional 'perf record' session.
 
 - Enable counting events for BPF programs in 'perf stat' just like for other
   targets (tid, cgroup, cpu, etc), e.g.:
 
       # perf stat -e ref-cycles,cycles -b 254 -I 1000
          1.487903822            115,200      ref-cycles
          1.487903822             86,012      cycles
          2.489147029             80,560      ref-cycles
          2.489147029             73,784      cycles
       ^C#
 
   The example above counts 'cycles' and 'ref-cycles' of BPF program of id 254.
   It is similar to bpftool-prog-profile command, but more flexible.
 
 - Support the new layout for PERF_RECORD_MMAP2 to carry the DSO build-id using infrastructure
   generalised from the eBPF subsystem, removing the need for traversing the perf.data file
   to collect build-ids at the end of 'perf record' sessions and helping with long running
   sessions where binaries can get replaced in updates, leading to possible mis-resolution
   of symbols.
 
 - Support filtering by hex address in 'perf script'.
 
 - Support DSO filter in 'perf script', like in other perf tools.
 
 - Add namespaces support to 'perf inject'
 
 - Add support for SDT (Dtrace Style Markers) events on ARM64.
 
 perf record:
 
 - Fix handling of eventfd() when draining a buffer in 'perf record'.
 
 - Improvements to the generation of metadata events for pre-existing threads (mmaps, comm, etc),
   speeding up the work done at the start of system wide or per CPU 'perf record' sessions.
 
 Hardware tracing:
 
 - Initial support for tracing KVM with Intel PT.
 
 - Intel PT fixes for IPC
 
 - Support Intel PT PSB (synchronization packets) events.
 
 - Automatically group aux-output events to overcome --filter syntax.
 
 - Enable PERF_SAMPLE_DATA_SRC on ARMs SPE.
 
 - Update ARM's CoreSight hardware tracing OpenCSD library to v1.0.0.
 
 perf annotate TUI:
 
 - Fix handling of 'k' ("show line number") hotkey
 
 - Fix jump parsing for C++ code.
 
 perf probe:
 
 - Add protection to avoid endless loop.
 
 cgroups:
 
 - Avoid reading cgroup mountpoint multiple times, caching it.
 
 - Fix handling of cgroup v1/v2 in mixed hierarchy.
 
 Symbol resolving:
 
 - Add OCaml symbol demangling.
 
 - Further fixes for handling PE executables when using perf with Wine and .exe/.dll files.
 
 - Fix 'perf unwind' DSO handling.
 
 - Resolve symbols against debug file first, to deal with artifacts related to LTO.
 
 - Fix gap between kernel end and module start on powerpc.
 
 Reporting tools:
 
 - The DSO filter shouldn't show samples in unresolved maps.
 
 - Improve debuginfod support in various tools.
 
 build ids:
 
 - Fix 16-byte build ids in 'perf buildid-cache', add a 'perf test' entry for that case.
 
 perf test:
 
 - Support for PERF_SAMPLE_WEIGHT_STRUCT.
 
 - Add test case for PERF_SAMPLE_CODE_PAGE_SIZE.
 
 - Shell based tests for 'perf daemon's commands ('start', 'stop, 'reconfig', 'list', etc).
 
 - ARM cs-etm 'perf test' fixes.
 
 - Add parse-metric memory bandwidth testcase.
 
 Compiler related:
 
 - Fix 'perf probe' kretprobe issue caused by gcc 11 bug when used with -fpatchable-function-entry.
 
 - Fix ARM64 build with gcc 11's -Wformat-overflow.
 
 - Fix unaligned access in sample parsing test.
 
 - Fix printf conversion specifier for IP addresses on arm64, s390 and powerpc.
 
 Arch specific:
 
 - Support exposing Performance Monitor Counter SPRs as part of extended regs on powerpc.
 
 - Add JSON 'perf stat' metrics for ARM64's imx8mp, imx8mq and imx8mn DDR, fix imx8mm ones.
 
 - Fix common and uarch events for ARM64's A76 and Ampere eMag
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYIAB0WIQR2GiIUctdOfX2qHhGyPKLppCJ+JwUCYDANTQAKCRCyPKLppCJ+
 J4veAQCISY1BPHscUTRYhq9cwU/Zs0ImtX7zDT4jxaP39JkduAD/eSqYavAJrtQh
 HDyEiTgZ7CQSp5eCbXkzrnet4n3G9QE=
 =H/Jk
 -----END PGP SIGNATURE-----

Merge tag 'perf-tools-for-v5.12-2020-02-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tool updates from Arnaldo Carvalho de Melo:
 "New features:

   - Support instruction latency in 'perf report', with both memory
     latency (weight) and instruction latency information, users can
     locate expensive load instructions and understand time spent in
     different stages.

   - Extend 'perf c2c' to display the number of loads which were blocked
     by data or address conflict.

   - Add 'perf stat' support for L2 topdown events in systems such as
     Intel's Sapphire rapids server.

   - Add support for PERF_SAMPLE_CODE_PAGE_SIZE in various tools, as a
     sort key, for instance:

        perf report --stdio --sort=comm,symbol,code_page_size

   - New 'perf daemon' command to run long running sessions while
     providing a way to control the enablement of events without
     restarting a traditional 'perf record' session.

   - Enable counting events for BPF programs in 'perf stat' just like
     for other targets (tid, cgroup, cpu, etc), e.g.:

        # perf stat -e ref-cycles,cycles -b 254 -I 1000
           1.487903822            115,200      ref-cycles
           1.487903822             86,012      cycles
           2.489147029             80,560      ref-cycles
           2.489147029             73,784      cycles
        ^C

     The example above counts 'cycles' and 'ref-cycles' of BPF program
     of id 254. It is similar to bpftool-prog-profile command, but more
     flexible.

   - Support the new layout for PERF_RECORD_MMAP2 to carry the DSO
     build-id using infrastructure generalised from the eBPF subsystem,
     removing the need for traversing the perf.data file to collect
     build-ids at the end of 'perf record' sessions and helping with
     long running sessions where binaries can get replaced in updates,
     leading to possible mis-resolution of symbols.

   - Support filtering by hex address in 'perf script'.

   - Support DSO filter in 'perf script', like in other perf tools.

   - Add namespaces support to 'perf inject'

   - Add support for SDT (Dtrace Style Markers) events on ARM64.

  perf record:

   - Fix handling of eventfd() when draining a buffer in 'perf record'.

   - Improvements to the generation of metadata events for pre-existing
     threads (mmaps, comm, etc), speeding up the work done at the start
     of system wide or per CPU 'perf record' sessions.

  Hardware tracing:

   - Initial support for tracing KVM with Intel PT.

   - Intel PT fixes for IPC

   - Support Intel PT PSB (synchronization packets) events.

   - Automatically group aux-output events to overcome --filter syntax.

   - Enable PERF_SAMPLE_DATA_SRC on ARMs SPE.

   - Update ARM's CoreSight hardware tracing OpenCSD library to v1.0.0.

  perf annotate TUI:

   - Fix handling of 'k' ("show line number") hotkey

   - Fix jump parsing for C++ code.

  perf probe:

   - Add protection to avoid endless loop.

  cgroups:

   - Avoid reading cgroup mountpoint multiple times, caching it.

   - Fix handling of cgroup v1/v2 in mixed hierarchy.

  Symbol resolving:

   - Add OCaml symbol demangling.

   - Further fixes for handling PE executables when using perf with Wine
     and .exe/.dll files.

   - Fix 'perf unwind' DSO handling.

   - Resolve symbols against debug file first, to deal with artifacts
     related to LTO.

   - Fix gap between kernel end and module start on powerpc.

  Reporting tools:

   - The DSO filter shouldn't show samples in unresolved maps.

   - Improve debuginfod support in various tools.

  build ids:

   - Fix 16-byte build ids in 'perf buildid-cache', add a 'perf test'
     entry for that case.

  perf test:

   - Support for PERF_SAMPLE_WEIGHT_STRUCT.

   - Add test case for PERF_SAMPLE_CODE_PAGE_SIZE.

   - Shell based tests for 'perf daemon's commands ('start', 'stop,
     'reconfig', 'list', etc).

   - ARM cs-etm 'perf test' fixes.

   - Add parse-metric memory bandwidth testcase.

  Compiler related:

   - Fix 'perf probe' kretprobe issue caused by gcc 11 bug when used
     with -fpatchable-function-entry.

   - Fix ARM64 build with gcc 11's -Wformat-overflow.

   - Fix unaligned access in sample parsing test.

   - Fix printf conversion specifier for IP addresses on arm64, s390 and
     powerpc.

  Arch specific:

   - Support exposing Performance Monitor Counter SPRs as part of
     extended regs on powerpc.

   - Add JSON 'perf stat' metrics for ARM64's imx8mp, imx8mq and imx8mn
     DDR, fix imx8mm ones.

   - Fix common and uarch events for ARM64's A76 and Ampere eMag"

* tag 'perf-tools-for-v5.12-2020-02-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (148 commits)
  perf buildid-cache: Don't skip 16-byte build-ids
  perf buildid-cache: Add test for 16-byte build-id
  perf symbol: Remove redundant libbfd checks
  perf test: Output the sub testing result in cs-etm
  perf test: Suppress logs in cs-etm testing
  perf tools: Fix arm64 build error with gcc-11
  perf intel-pt: Add documentation for tracing virtual machines
  perf intel-pt: Split VM-Entry and VM-Exit branches
  perf intel-pt: Adjust sample flags for VM-Exit
  perf intel-pt: Allow for a guest kernel address filter
  perf intel-pt: Support decoding of guest kernel
  perf machine: Factor out machine__idle_thread()
  perf machine: Factor out machines__find_guest()
  perf intel-pt: Amend decoder to track the NR flag
  perf intel-pt: Retain the last PIP packet payload as is
  perf intel_pt: Add vmlaunch and vmresume as branches
  perf script: Add branch types for VM-Entry and VM-Exit
  perf auxtrace: Automatically group aux-output events
  perf test: Fix unaligned access in sample parsing test
  perf tools: Support arch specific PERF_SAMPLE_WEIGHT_STRUCT processing
  ...
 2021-02-22 13:59:43 -08:00
Linus Torvalds
7c70f3a748 Optimization: 
- Cork the socket while there are queued replies
 
 Fixes:
 
 - DRC shutdown ordering
 - svc_rdma_accept() lockdep splat
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmAsA80ACgkQM2qzM29m
 f5erXA/+MrR3ZtwK2eaTITu13TzzTrMURbp/n0wCCW/Ls1YMb6bn9ggtBwu2W5Cn
 Vb0RO9OLcmoI6CjqPh0CTUvvZspMYOAX4W1jQecKt2ml075APdlqUcv9YWPUQqVJ
 qTg8HxDymvHvY3I3FcBxhzofmGzF8AOmQZJw9uI5Wt/ivBfqGWcAGlxyRmB3mdsm
 cJRK0Sy7QMn2LefMcpMEeSbPA049/NZNRp6fcXnpPQFer42thoosYsNhTlAJfCXC
 C5S0z3/T6rpuJucV9la/WkpUA0YhWbPEHWNdAB5tzSqmoEo4LpzJzjv7uyQU4oue
 QlmChIz9qasgTI/BnCkBIzPD99S4UQcXjX0BnNinkQ77e6+b/vdAR+T+NLHJdkAf
 +7Xz6T9aZNaz2R49CjYl6/kG0rlNkjUzyURRYs/9zEBhogMPH/N4T7Z2M+ljCkeb
 tc3OaFDXZ2rfr7EKBGsfnEKINM1gpYipzILkr8GSHUMZLzOB/64upKySaJVjCGXj
 7Sf1w+vJUWwYc+FqFvbaR4ybr01VIfdsecpn1TtY870zG1JzimzAHVZk1/xC9+CX
 J+lVOXbjawDl1Et3V3fWq6Y7mhAWves/NKPcbSug9sFc4qRHEmPbAq/RRtlsjQcn
 foMr5R8qd8OwEamVypZ2nIFxq4q3b742AS8lZhaK+DyZKq3oLac=
 =+R4U
 -----END PGP SIGNATURE-----

Merge tag 'nfsd-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull more nfsd updates from Chuck Lever:
 "Here are a few additional NFSD commits for the merge window:

 Optimization:
   - Cork the socket while there are queued replies

  Fixes:
   - DRC shutdown ordering
   - svc_rdma_accept() lockdep splat"

* tag 'nfsd-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  SUNRPC: Further clean up svc_tcp_sendmsg()
  SUNRPC: Remove redundant socket flags from svc_tcp_sendmsg()
  SUNRPC: Use TCP_CORK to optimise send performance on the server
  svcrdma: Hold private mutex while invoking rdma_accept()
  nfsd: register pernet ops last, unregister first
 2021-02-22 13:29:55 -08:00
Linus Torvalds
20bf195e93 With netfs helper library and fscache rework delayed, just a few cap 
handling improvements to avoid grabbing mmap_lock in some code paths
 and deal with capsnaps better and a mount option cleanup.
 -----BEGIN PGP SIGNATURE-----
 
 iQFHBAABCAAxFiEEydHwtzie9C7TfviiSn/eOAIR84sFAmAzuGwTHGlkcnlvbW92
 QGdtYWlsLmNvbQAKCRBKf944AhHzixPqB/9kQxU8IkCF0wOm+dm0tBW3PjYxBFuz
 HryHU6WJHDbX9/enH6PgMj6ZpRwxgzDq8xUpmRKVeaPflej9PnfQyH/On+vQWRUX
 WyWyBx0QqbrKYvYK0cCjHzVC5kbtBA8C/1OSSs5EkJIh518RBMkeru9pYL7+TI5x
 zeQVXzOJB2Bz7y8Odd2RjlkAkix/J1m0LIggRaoWrTygz93PKXfjzhDpa4KC4WZj
 W6LjnYPpYjo34poKx/3N3ZSgGP+Y3F7ZDeNfSnPB2WKs7vzcYUCpWXBSHnHTz+lK
 H2O5GdmxQ6BFp4SZvYtf5e78igH/m/QmzAYGW2EmmKttOcyrb2282snb
 =8MQu
 -----END PGP SIGNATURE-----

Merge tag 'ceph-for-5.12-rc1' of git://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "With netfs helper library and fscache rework delayed, just a few cap
  handling improvements to avoid grabbing mmap_lock in some code paths
  and deal with capsnaps better and a mount option cleanup"

* tag 'ceph-for-5.12-rc1' of git://github.com/ceph/ceph-client:
  ceph: defer flushing the capsnap if the Fb is used
  libceph: remove osdtimeout option entirely
  libceph: deprecate [no]cephx_require_signatures options
  ceph: allow queueing cap/snap handling after putting cap references
  ceph: clean up inode work queueing
  ceph: fix flush_snap logic after putting caps
 2021-02-22 13:27:51 -08:00
Linus Torvalds
9fe1904626 \n 
-----BEGIN PGP SIGNATURE-----
 
 iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmAzo34ACgkQnJ2qBz9k
 QNmsUwf8DFq8Uu2PI2BFOzHkEG6F3y+/KPpja9k08q3A1NSM28RYBaFeWc9wGImZ
 jtu3k1+8TiK51OkYGxa5LeIKpaMZrylEGXhdYTyfBJiJSHrjApWiq1jsCvtxk/xt
 3pjI9+OItwmZVo/INYAWS8+QdweX87PkaZtKi0//pqgFdnsjMCKDUxkCIB3IEigk
 I7orTiBpTSgP3iwcuRhchyyCFjIeoW+L2nbNuv8CYjXo9WIAF5ypQx+r1T2f1Ieu
 Vt9u41gwRUYfn3a5YdKMJZgAkcv7a4QYP4+tbSnD9Wl3jtorCBgTC6EDUyGNWqdr
 lqRIJ0jp1ET387J/YAGCGFsdz1AIjw==
 =YTNN
 -----END PGP SIGNATURE-----

Merge tag 'fs_for_v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull isofs, udf, and quota updates from Jan Kara:
 "Several udf, isofs, and quota fixes"

* tag 'fs_for_v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  parser: Fix kernel-doc markups
  udf: handle large user and group ID
  isofs: handle large user and group ID
  parser: add unsigned int parser
  udf: fix silent AED tagLocation corruption
  isofs: release buffer head before return
  quota: Fix memory leak when handling corrupted quota file
 2021-02-22 13:25:37 -08:00
Linus Torvalds
db99038542 \n 
-----BEGIN PGP SIGNATURE-----
 
 iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmAzolwACgkQnJ2qBz9k
 QNnwAQgAhw7PYZgRGnhm/VEDBD1EiPqNIhV3+EuUcNHlrNERx0jPN3bcoXmJD7FE
 PCCwbsYtQyqjYFipuzvBnUur5s7CxrwyDhvE8bgYdOB43Gy94awwvwF+JbMnBaPj
 gZSvArKD7ISAUpt560jtH5KedNAZnDkPITePME2GQsOpZ9SHHjsJEhSheTaHk0t1
 03Odx6gK5CcRvRD4KQYTa/hvZH95dVHSdakgFODAUoyfR65KMLhBihNOVHZsEVEZ
 S99j0YBY15nxS8ygo+Iz3Y3KOzy9G1xRAzk3wSeDGzhNRfzYP/IIZWWY/KWowmvH
 afx0pa0KiYjgqDpDjsyYPOJ2Ul4cPA==
 =gXlh
 -----END PGP SIGNATURE-----

Merge tag 'fsnotify_for_v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull fsnotify update from Jan Kara:
 "Make inotify groups be charged against appropriate memcgs"

* tag 'fsnotify_for_v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  inotify, memcg: account inotify instances to kmemcg
 2021-02-22 13:23:29 -08:00
Linus Torvalds
d61c6a58ae \n 
-----BEGIN PGP SIGNATURE-----
 
 iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmAzoWUACgkQnJ2qBz9k
 QNnFgQgAlng0JOzeCQvLpwweqFl0FCxYbOsZXC1xDyvfX3TiA6A6oiOR4tx3uhQN
 cOQmJXaiMn4oCXjD1j6WZwGfy23yx0XchaoFK9jy2IqodaB/zUjkiWYYqt0G3XIX
 ud35mxjLAGS12BCD0c+vHy2RMsUFl5ep+5aBHRHZJJhCcYbl7e5ctXZ3xB1Q0mgI
 r639gD8JhH3ICdu9W0NaMvqOrVhJFNmhSGATKL/N96+oKub2x2ycYE4L2OXegxy3
 mnFf26LjA8jt7K+KfHloTvkC6D4HVnnvKFvKiIbGKafiWhAE7q57ZO6BPCMajGue
 3UHIhWGmwKXRU72+nW6N+089GbcO/g==
 =1e+z
 -----END PGP SIGNATURE-----

Merge tag 'lazytime_for_v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull lazytime updates from Jan Kara:
 "Cleanups of the lazytime handling in the writeback code making rules
  for calling ->dirty_inode() filesystem handlers saner"

* tag 'lazytime_for_v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  ext4: simplify i_state checks in __ext4_update_other_inode_time()
  gfs2: don't worry about I_DIRTY_TIME in gfs2_fsync()
  fs: improve comments for writeback_single_inode()
  fs: drop redundant check from __writeback_single_inode()
  fs: clean up __mark_inode_dirty() a bit
  fs: pass only I_DIRTY_INODE flags to ->dirty_inode
  fs: don't call ->dirty_inode for lazytime timestamp updates
  fat: only specify I_DIRTY_TIME when needed in fat_update_time()
  fs: only specify I_DIRTY_TIME when needed in generic_update_time()
  fs: correctly document the inode dirty flags
 2021-02-22 13:17:39 -08:00
Linus Torvalds
c63dca9e23 Description for this pull request: 
- Improve file deletion performance with dirsync mount option.
 - fix shift-out-of-bounds in exfat_fill_super() generated by syzkaller.
 -----BEGIN PGP SIGNATURE-----
 
 iQJMBAABCgA2FiEE6NzKS6Uv/XAAGHgyZwv7A1FEIQgFAmAzA7MYHG5hbWphZS5q
 ZW9uQHNhbXN1bmcuY29tAAoJEGcL+wNRRCEIYKMP/1i4uV1KebeQTkIiNlPMae+H
 hq2TgkrOLp7gKY+G8VoSrYIG9U5fEGh+bo6UwIXQpGDrnFb9AWAE0YoyCUV0sTGS
 6CQmmjl1Cq4gwmBs2yjkbmGa54d2NRExZc2zMewDxnWRQjIvqJftxh1qowjwN13j
 arfjvWGJ61Je/S1jQ0vS0+nC5f4Mcy+60JyAQB4gxX5327o1ZVohs16jYTTZuS4+
 PsARwM+q3wYQ/THeTf01E/a77IfsS49EtR1aTo8/9fCfQCxKdYT0wkJQQ/J0yhTL
 l6LMp1PNHV3iePRPZWAF15n8eB2dXGfcaathgtecY+9arKJVDnAoALt91gxN1bxE
 ZZZWkOlviN4FmdQvKNtVaBhdAxNqybe1P0yLvH1Vm2nY0oyY+qgQ79A/xNWcBvhg
 Q6Y1fV08KLWRPsafoZVntb3pd/DT1ekeedrFuqPe3c6kTziFn1GmUhb+6DGCEoFs
 2sbuxATOJCdNL4GHLt0CRNQYU2Dm6g0yuQ3qodu4wcco9yUgiNXe2sM6NpMXaTH7
 XUlgsaxl8zO5TKrVfre93gIP48HRf2/gZu8ejXs2rUEIzhSy3rsIMyt2DhTUe9Db
 CW2SMGQADG9Aiod4gRaunvMrTE3S7NMXLsOG5K6eThar8fOnqQ/F0NHi5DUWuFdw
 17G5gwimXbZxW0GhTvWH
 =kzJV
 -----END PGP SIGNATURE-----

Merge tag 'exfat-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat

Pull exfat updates from Namjae Jeon:

 - improve file deletion performance with dirsync mount option

 - fix shift-out-of-bounds in exfat_fill_super() reported by syzkaller

* tag 'exfat-for-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
  exfat: improve performance of exfat_free_cluster when using dirsync mount option
  exfat: fix shift-out-of-bounds in exfat_fill_super()
 2021-02-22 13:15:50 -08:00
Linus Torvalds
0f3d950ddd zonefs changes for 5.12-rc1 
Two patches in this pull request:
 * A fix that did not make it in time for 5.11, to correct the file size
   initialization of full sequential zone, from Shin'ichiro
 * Add file operation tracepoints to help with debugging, from Johannes
 
 Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
 -----BEGIN PGP SIGNATURE-----
 
 iHUEABYIAB0WIQSRPv8tYSvhwAzJdzjdoc3SxdoYdgUCYDLicAAKCRDdoc3SxdoY
 dpN4AQCh1EbZ3NvHRJ4bMWnNQ3OsdkTWYix7ur3C/5Ft7oQbKQEAge6cUgIjEkrD
 u3znsZSYE/RM+LxrhE1RquTwERkSeQk=
 =StDj
 -----END PGP SIGNATURE-----

Merge tag 'zonefs-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs

Pull zonefs updates from Damien Le Moal:
 "Two changes:

   - A fix that did not make it in time for 5.11, to correct the file
     size initialization of full sequential zone, from Shin'ichiro

   - Add file operation tracepoints to help with debugging, from
     Johannes"

* tag 'zonefs-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
  zonefs: Fix file size of zones in full condition
  zonefs: add tracepoints for file operations
 2021-02-22 13:13:51 -08:00
Linus Torvalds
250a25e7a1 Merge branch 'work.audit' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull RCU-safe common_lsm_audit() from Al Viro:
 "Make common_lsm_audit() non-blocking and usable from RCU pathwalk
  context.

  We don't really need to grab/drop dentry in there - rcu_read_lock() is
  enough. There's a couple of followups using that to simplify the
  logics in selinux, but those hadn't soaked in -next yet, so they'll
  have to go in next window"

* 'work.audit' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  make dump_common_audit_data() safe to be called from RCU pathwalk
  new helper: d_find_alias_rcu()
 2021-02-22 13:05:30 -08:00
Linus Torvalds
205f92d7f2 Merge branch 'work.d_name' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 
Pull d_name whack-a-mole from Al Viro:
 "A bunch of places that play with ->d_name in printks instead of using
  proper formats..."

* 'work.d_name' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  orangefs_file_mmap(): use %pD
  cifs_debug: use %pd instead of messing with ->d_name
  erofs: use %pd instead of messing with ->d_name
  cramfs: use %pD instead of messing with file_dentry()->d_name
 2021-02-22 13:03:30 -08:00
Linus Torvalds
7b7028edf9 memblock: remove return value of memblock_free_all() 
memblock_free_all() returns the total count of freed pages and its callers
 used this value to update totalram_pages. This update is now anyway a part
 of memblock_free_all() and its callers no longer check the return value, so
 make memblock_free_all() void.
 -----BEGIN PGP SIGNATURE-----
 
 iQFHBAABCAAxFiEEeOVYVaWZL5900a/pOQOGJssO/ZEFAmAiTSkTHHJwcHRAbGlu
 dXguaWJtLmNvbQAKCRA5A4Ymyw79kfWlCACFhJztu99bt9Z06NO4LeMuyMlPcq6s
 TODjZR2lcWeXdFlBEtuWVXJGDjbIhCZ0cLuy2otunoFGgwCRCjlS6/9afMeOHyan
 wx9WkvTLDARQKvuWl4kkQM4tt2JRM+3oJeRgEUlafOFbGy+G2R0cvi0jH2xFW1Jx
 Q9hK2JeyG4u56ju3lpI1vIrSIx78fvkPBQ3rSWlqbjTFdTmXLOuuz8trzfZBEHWU
 NcaCUNpRR47GB6nqDNHcordMmuj906BX2dfNrTMTHIHYjwRaDa2ts0A8D1asR3R9
 HeL9pnnkxzoEricZd/iZgeG2BPQz+KnEeeUTsIfkU6rCQ5ZoZcAFPxNE
 =rnuI
 -----END PGP SIGNATURE-----

Merge tag 'memblock-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock

Pull memblock update from Mike Rapoport:
 "Remove return value of memblock_free_all()

  memblock_free_all() returns the total count of freed pages and its
  callers used this value to update totalram_pages. This update is now
  anyway a part of memblock_free_all() and its callers no longer check
  the return value, so make memblock_free_all() void"

* tag 'memblock-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
  mm: memblock: remove return value of memblock_free_all()
 2021-02-22 13:01:23 -08:00
Andreas Gruenbacher
2129b42888 gfs2: Per-revoke accounting in transactions 
In the log, revokes are stored as a revoke descriptor (struct
gfs2_log_descriptor), followed by zero or more additional revoke blocks
(struct gfs2_meta_header).  On filesystems with a blocksize of 4k, the
revoke descriptor contains up to 503 revokes, and the metadata blocks
contain up to 509 revokes each.  We've so far been reserving space for
revokes in transactions in block granularity, so a lot more space than
necessary was being allocated and then released again.

This patch switches to assigning revokes to transactions individually
instead.  Initially, space for the revoke descriptor is reserved and
handed out to transactions.  When more revokes than that are reserved,
additional revoke blocks are added.  When the log is flushed, the space
for the additional revoke blocks is released, but we keep the space for
the revoke descriptor block allocated.

Transactions may still reserve more revokes than they will actually need
in the end, but now we won't overshoot the target as much, and by only
returning the space for excess revokes at log flush time, we further
reduce the amount of contention between processes.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2021-02-22 21:16:23 +01:00
Andreas Gruenbacher
fe3e397668 gfs2: Rework the log space allocation logic 
The current log space allocation logic is hard to understand or extend.
The principle it that when the log is flushed, we may or may not have a
transaction active that has space allocated in the log.  To deal with
that, we set aside a magical number of blocks to be used in case we
don't have an active transaction.  It isn't clear that the pool will
always be big enough.  In addition, we can't return unused log space at
the end of a transaction, so the number of blocks allocated must exactly
match the number of blocks used.

Simplify this as follows:
 * When transactions are allocated or merged, always reserve enough
   blocks to flush the transaction (err on the safe side).
 * In gfs2_log_flush, return any allocated blocks that haven't been used.
 * Maintain a pool of spare blocks big enough to do one log flush, as
   before.
 * In gfs2_log_flush, when we have no active transaction, allocate a
   suitable number of blocks.  For that, use the spare pool when
   called from logd, and leave the pool alone otherwise.  This means
   that when the log is almost full, logd will still be able to do one
   more log flush, which will result in more log space becoming
   available.

This will make the log space allocator code easier to work with in
the future.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2021-02-22 21:16:22 +01:00
Andreas Gruenbacher
71b219f4e5 gfs2: Minor calc_reserved cleanup 
No functional change.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
 2021-02-22 21:16:22 +01:00
Linus Torvalds
899cbb0e53 kgdb patches for 5.12 
Another fairly small set of changes of changes this cycle. The most
 significant functional change is a fix to better manage the flags
 when allocating memory.
 
 Additionally there is the removal of some unused code (which is
 slightly more dramatic than it sounds given it means there are now no
 tasklets in kgdb) together with a tidy up of the debug prints and some
 spelling corrections for the documentation.
 
 Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEELzVBU1D3lWq6cKzwfOMlXTn3iKEFAmAz6HIACgkQfOMlXTn3
 iKFUoRAAqFOqqeMltvNxS/UFCl9N8THyc1jtLZp3eszQGfZ0+bFRqO7ucXBmA+vL
 V2YyWU6f4p63NnEY/lj5f0xhK59Xc3qYGh3f/cbwZO90Ul8qHCh2UU93LkSWx7Xl
 1NqV7CrLZudRpDFx5cGl+PLeK6N0y8jpu+/O/o+mfJHUw4l9ElfpqPytyiXfgGA/
 6t6U9jU95oHH196/Y5fzW9GyO4xJ1ZQMIaEpd2JdM+F4mBG3cMDMTRPyGNLk8Yvd
 AfKUVCFQcnL/BJTwGNiovlv5APN1cksk9MECkSE2yFE4I1y5L4/GxtazG0MktVVZ
 oVW+CWJdnnmx7M1PddE3womgaG5lL0IZW8h0QE34EDcLtjJrfkaG2kzTmmrvBazA
 8MIHSNbA1oWxv30GmAQ0vQa5ddBEyqrnaYr/ArYDETUV+HPM7V79c1wvUSmPEEwC
 PDsx4bfVqzWXGADMFbtRdMzKeK93KdFKY5CaGBVgtnU38wZkd8yXGPMB7468utn0
 RmdBqYMbzfAFQvcJig0eGJtS8wvXFWS4rxQqUIOwH9SKrWwGjv5S/AMe/rjyTnrp
 8Nv8wbi/N0C/gX7an6o5R8lxMfdgz9TQN3BrB2osINltadbrhRuVcFIyRbyIOBki
 m6P18RQX7lN9d0sS0E0Pz2WCQk3axXBjAuxRANbbnPllo1Ds49w=
 =fQWC
 -----END PGP SIGNATURE-----

Merge tag 'kgdb-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux

Pull kgdb updates from Daniel Thompson:
 "Another fairly small set of changes of changes this cycle. The most
  significant functional change is a fix to better manage the flags when
  allocating memory.

  Additionally there is the removal of some unused code (which is
  slightly more dramatic than it sounds given it means there are now no
  tasklets in kgdb) together with a tidy up of the debug prints and some
  spelling corrections for the documentation"

* tag 'kgdb-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
  kgdb: Remove kgdb_schedule_breakpoint()
  kdb: Make memory allocations more robust
  kdb: kdb_support: Fix debugging information problem
  kernel: debug: fix typo issue
  kgdb: rectify kernel-doc for kgdb_unregister_io_module()
 2021-02-22 11:08:05 -08:00
Linus Torvalds
54ab35d6bb Livepatching changes for 5.12 
-----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEESH4wyp42V4tXvYsjUqAMR0iAlPIFAmAzu2gACgkQUqAMR0iA
 lPIiSBAAi0eoK2Ck0Marqt2Gr/CzR9SrXkHrs7ufLN2iPh0sARNvI2F9oSjzpLmL
 o7GzLBLb5XKrOTJ2QR7hx0Of3DQvBHheZfb7/SirGTGgn1kAFOpToEMno5Nem5rp
 f+BOQbk+u5sAwNaeAV8jHpiWR3UT7QjEFeFNqC4BAs2Ena7r3/vtRKX0jy65/ygl
 ayHnGtJMh7N+aJ/Fd5DVPYlREVlFITXFEwz3z6urXvinmBQf4xg2b5RRtoRhxFxI
 17i13cMCsVHpohg19JgI+qvwjWsZ03gQ85/2qYLWZwqWgBRRyzKiIB6e63j0nCpp
 nJhIt33qbS2i2otnyhjfYYvXW+SLFPFzXpSgZ4CiB7A85h0nt4LFZ4DvyP8Llqr0
 Lmfhd88E4jdKKIb30eQN/r7sF1341MJx4lHn6gczXfcDaAezyQVxaW+TQWTbvWnK
 fV/HsREcnG6zCcL3CCdME70D773aQh8TeVDbzSN72pxF8KXtWkCSVazyIbRun7+e
 MHWQCMv6RcROJx5cw5NoIhY8/GhJx+htig30+NlNGGYw+AtNYutl9+6/fifHH1IR
 Fx7dp2X4LGGnnCXP8EtPtfUDD7UdUT+Yg1sBWYLLl9NNsbmpm7S+owEEppMbLmiA
 uKjqslGRbHOH75+joBk/ekr7w160sp2tgFTUaA2j9TsEhN/0AtQ=
 =DhcP
 -----END PGP SIGNATURE-----

Merge tag 'livepatching-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching

Pull livepatching updates from Petr Mladek:

 - Practical information how to implement reliable stacktraces needed by
   the livepatching consistency model by Mark Rutland and Mark Brown.

 - Automatically generated documentation contents by Mark Brown.

* tag 'livepatching-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
  Documentation: livepatch: document reliable stacktrace
  Documentation: livepatch: Convert to automatically generated contents
 2021-02-22 11:06:52 -08:00
Linus Torvalds
b2bec7d8a4 printk changes for 5.12 
-----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEESH4wyp42V4tXvYsjUqAMR0iAlPIFAmAzp8UACgkQUqAMR0iA
 lPKHvxAAhB7XsfLaQkpDrqqTswssl85ouQwxwPc6EO52CJx/O5gdZ576vG6Xa1e+
 0+79LwutQupTdYpM19mszkopdNr2NDov9ClQB0yGiiwsFlWLe1FvITe3SO4QzxsX
 Wl78uYPCXWmnj3FnKLgfz6+mIGD4wvNrrFAztPiZ1GNHqjo48RFD6RybIXa3hR/j
 Fx4C7R5eKnbIBophKT4bt1FE0ci9HonDhVYYGyHC6aYNlpTHGYENig32fbkZh6nI
 qdyBvtAyfRbihyOTJrsKlXXb3mb27oWVY6e0+tTabBC3tWBmtorpBbFG8HcBEoS2
 a5UDLtv2m6adFyFTc1ulF9+IPvLqUx8cweGkM1e/XNYZmZAvoUVKyFeiUNBcKhpm
 5ZXYcAZPfWzf2MtFo4mMeLubkPAxk01FWTplt54az2T0B+DnuRieDYarcjrts9ib
 4qvyljqEZ5/uvtoi2O+MRje7roOgx3Hb6JgvhIpObY5XV7MMeeMoFQpGKRUxosE7
 J8f1fhr37OeD2BRwcqMuf7NNBUISFZnzynaTOghXpBSRAKoa+GPzKhOLalKg1nhI
 7LAFGq39CeV9DU59AuWLOmqXCRv7bmjs05vEJtCVv3p+vlvBCiKMhGz6RuGj3OaV
 L2pHXBpUxfSIDtl8wVqA+004J8G4n7i77cWpymiNm+yS5WjoVO0=
 =CZnB
 -----END PGP SIGNATURE-----

Merge tag 'printk-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - New "no_hash_pointers" kernel parameter causes that %p shows raw
   pointer values instead of hashed ones. It is intended only for
   debugging purposes. Misuse is prevented by a fat warning message that
   is inspired by trace_printk().

 - Prevent a possible deadlock when flushing printk_safe buffers during
   panic().

 - Fix performance regression caused by the lockless printk ringbuffer.
   It was visible with huge log buffer and long messages.

 - Documentation fix-up.

* tag 'printk-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  lib/vsprintf: no_hash_pointers prints all addresses as unhashed
  kselftest: add support for skipped tests
  lib: use KSTM_MODULE_GLOBALS macro in kselftest drivers
  printk: avoid prb_first_valid_seq() where possible
  printk: fix deadlock when kernel panic
  printk: rectify kernel-doc for prb_rec_init_wr()
 2021-02-22 11:04:36 -08:00
Linus Torvalds
783955f03d linux-kselftest-kunit-5.12-rc1 
This KUnit update for Linux 5.12-rc1 consists of consists of:
 
 -- support for filtering test suites using glob from Daniel Latypov.
 
    "kunit_filter.glob" command line option is passed to the UML
    kernel, which currently only supports filtering by suite name.
    This support allows running different subsets of tests, e.g.
 
    $ ./tools/testing/kunit/kunit.py build
    $ ./tools/testing/kunit/kunit.py exec 'list*'
    $ ./tools/testing/kunit/kunit.py exec 'kunit*'
 
 -- several fixes and cleanups also from Daniel Latypov.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmAtrksACgkQCwJExA0N
 Qxwp3g//cOzOTjBR4eLW7lYHoC+P1RLj4Q3MHMSRhvekIQqM14MwwPrwIn0AARqs
 Tth/6brHBYgGh7DFq4YXQI9FwxD5RiQ0yI1x3e6P6gDwO5JQM/s4wznuR/fu+hnF
 SgDf7yZoBeInSAn0Zzsr7pTDVW2urEExXkBLFrlv1KJjhMdg45yvbhZR2ne6DYlX
 zZtOWL9rdZ7lCW4ODLl9pJJ+jDwRXBkVJR/4rUGUAXot3sTizSjijzcS5DQQP1Sw
 4z5H3SZ5y9YHQHPQChCvQecZ8GrFvw+j9SF56pw14q9FsPwBUZOmb9fPI75yvrCd
 5/JhvE/5jK19FH6gFwkqUsAxpeWhUxjRbMGdLHiMeX+z4xxCp86EDpXnyfv97Ho3
 XS7uwcSMAL/yka+vWwaoi0URz5P9ulC8MlDHdn18+gyc+I72YFaeCPho2fYibvMI
 p5Vnq9ZDZl8kh1ho4vyge4oQrOBE+l8HSCva7wymFFxuQQQnbbCViznuLsq3NzaA
 W7YFYH87KHs+CRSyU5gJyP23+7qwiuRrw6bSS92q9mf8PDBnfW8AF0NfaDVwYv6b
 TaacSRDuZSXjDhkZPBi9qBB5oZ1hSUpqaRRrQU6i5RFJ+0sPUfp3QkFZh2rVBec0
 OMhc8XrR2YSCld754qkefFpQEir7ut2u7jEr8JobjRvC8Dwy/CM=
 =zdch
 -----END PGP SIGNATURE-----

Merge tag 'linux-kselftest-kunit-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull KUnit updates from Shuah Khan

 - support for filtering test suites using glob from Daniel Latypov.

     "kunit_filter.glob" command line option is passed to the UML
     kernel, which currently only supports filtering by suite name.
     This support allows running different subsets of tests, e.g.

      $ ./tools/testing/kunit/kunit.py build
      $ ./tools/testing/kunit/kunit.py exec 'list*'
      $ ./tools/testing/kunit/kunit.py exec 'kunit*'

 - several fixes and cleanups also from Daniel Latypov.

* tag 'linux-kselftest-kunit-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kunit: tool: fix unintentional statefulness in run_kernel()
  kunit: tool: add support for filtering suites by glob
  kunit: add kunit.filter_glob cmdline option to filter suites
  kunit: don't show `1 == 1` in failed assertion messages
  kunit: make kunit_tool accept optional path to .kunitconfig fragment
  Documentation: kunit: add tips.rst for small examples
  KUnit: Docs: make start.rst example Kconfig follow style.rst
  kunit: tool: simplify kconfig is_subset_of() logic
  minor: kunit: tool: fix unit test so it can run from non-root dir
  kunit: tool: use `with open()` in unit test
  kunit: tool: stop using bare asserts in unit test
  kunit: tool: fix unit test cleanup handling
 2021-02-22 11:03:00 -08:00
Linus Torvalds
80215095ce linux-kselftest-next-5.12-rc1 
This Kselftest update for Linux 5.12-rc1 consists of:
 
 - dmabuf-heaps test fixes and cleanups from John Stultz.
 - seccomp test fix to accept any valid fd in user_notification_addfd.
 - Minor fixes to breakpoints and vDSO tests.
 - Minor code cleanups to ipc and x86 tests.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmAtpXcACgkQCwJExA0N
 QxxJ3w//d0VQGTMp7XBmEx04Tlh31grs/pHorvN5t9TOn/3QVq1OQhHIIq7Y6Zgx
 hOjKOldCzgILvNTTstCfwwQv6BA0EkD0+j27yXUOHUEB0h5bNbdirP2zohxvXq0x
 1MTch89rO+fFyUeeqZujs1EuMhNirENKp8Dpbe3Lw6wdBSqlkcZ/AfZJGIXlZKw2
 1rIaqk80eNhXnzLSFGS/zUJCmHwxpu+xp5a6n1qNk/SYGWWUbUzyanSfCSkH/Znt
 0zqG1EI6rgziUHI7Nscggj7pLQgB+udGS64Nk3RqrX85b0bfVDK947znCrlkaa5S
 YqSf/ldsK1AyE3qFW6MoK/ZWk0z9iLFuS/+EjWP5FlM85PDTG8UPgy6pOaVE/XrN
 2z4pJadUtItLtWMYiU9x7fY9BYk679a3UJaWyW1265VZkBk4UjbCA3Xz4Y/e4RSp
 K6UqCAZ/OwkDFRpSt1j8PSvm3Xi17qUJZyG+TZf7lzkL2kSOnj9kjHXfwrNpud2w
 dk/F8Fb0uwgaPY1iRfKSQCUWvJR/ze9FcmY7+hm12k5xKH17izidutDChV9L1apn
 cB5mHoyIEW9v/rPFPLubTy6mv9VdJKTmGg2BeT6FL/9FkbtLcW0tvyZoKzRpy/vv
 HLi52H72HCuEGOVMmw4439uwx1j89igewUAYzm6/lRCjpjI8f+4=
 =CTFH
 -----END PGP SIGNATURE-----

Merge tag 'linux-kselftest-next-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest updates from Shuah Khan:

 - dmabuf-heaps test fixes and cleanups from John Stultz

 - seccomp test fix to accept any valid fd in user_notification_addfd

 - Minor fixes to breakpoints and vDSO tests

 - Minor code cleanups to ipc and x86 tests

* tag 'linux-kselftest-next-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/seccomp: Accept any valid fd in user_notification_addfd
  selftests/timens: add futex binary to .gitignore
  selftests: breakpoints: Use correct error messages in breakpoint_test_arm64.c
  selftests/vDSO: fix ABI selftest on riscv
  selftests/x86/ldt_gdt: remove unneeded semicolon
  selftests/ipc: remove unneeded semicolon
  kselftests: dmabuf-heaps: Add extra checking that allocated buffers are zeroed
  kselftests: dmabuf-heaps: Cleanup test output
  kselftests: dmabuf-heaps: Softly fail if don't find a vgem device
  kselftests: dmabuf-heaps: Add clearer checks on DMABUF_BEGIN/END_SYNC
  kselftests: dmabuf-heaps: Fix Makefile's inclusion of the kernel's usr/include dir
 2021-02-22 11:01:53 -08:00
Linus Torvalds
0e63a5c6ba It has been a relatively quiet cycle in docsland. 
- As promised, the minimum Sphinx version to build the docs is now 1.7,
    and we have dropped support for Python 2 entirely.  That allowed the
    removal of a bunch of compatibility code.
 
  - A set of treewide warning fixups from Mauro that I applied after it
    became clear nobody else was going to deal with them.
 
  - The automarkup mechanism can now create cross-references from relative
    paths to RST files.
 
  - More translations, typo fixes, and warning fixes.
 
 No conflicts with any other tree as far as I know.
 -----BEGIN PGP SIGNATURE-----
 
 iQFDBAABCAAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAmAq4EUPHGNvcmJldEBs
 d24ubmV0AAoJEBdDWhNsDH5YTIAH/1I5MlVQwuvNKjwCAEdmltQgHv6SmXSpDkrp
 SGuviWVXxqz8dTyo7C2R12qE/7nP8zGAmclNdX78ynl5qWaj05lQsjBgMYSoQO/F
 +akyLQSL8/8SQrtDPPBcboPuIz9DzkX51kkQthvCf0puJi0ScKVHO9Sk9SKUgDoK
 cnCE9VwpGL7YX/ee2wt91UYREijgJ9P7eQ6rqKvUZ5Itu9ikfu9vQU41GR9tOXDK
 MQK+k38pWdl8wRgTgA0pkVhMf1G732bxTTicvFHXcyqmCkh7++m2+ysT8O+SBBMX
 e5BbP0yysSqThjwFHOW5PWM1AWD5iVz+pnwJwEaJ4K76tJJOw9M=
 =bcDk
 -----END PGP SIGNATURE-----

Merge tag 'docs-5.12' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "It has been a relatively quiet cycle in docsland.

   - As promised, the minimum Sphinx version to build the docs is now
     1.7, and we have dropped support for Python 2 entirely. That
     allowed the removal of a bunch of compatibility code.

   - A set of treewide warning fixups from Mauro that I applied after it
     became clear nobody else was going to deal with them.

   - The automarkup mechanism can now create cross-references from
     relative paths to RST files.

   - More translations, typo fixes, and warning fixes"

* tag 'docs-5.12' of git://git.lwn.net/linux: (75 commits)
  docs: kernel-hacking: be more civil
  docs: Remove the Microsoft rhetoric
  Documentation/admin-guide: kernel-parameters: Update nohlt section
  doc/admin-guide: fix spelling mistake: "perfomance" -> "performance"
  docs: Document cross-referencing using relative path
  docs: Enable usage of relative paths to docs on automarkup
  docs: thermal: fix spelling mistakes
  Documentation: admin-guide: Update kvm/xen config option
  docs: Make syscalls' helpers naming consistent
  coding-style.rst: Avoid comma statements
  Documentation: /proc/loadavg: add 3 more field descriptions
  Documentation/submitting-patches: Add blurb about backtraces in commit messages
  Docs: drop Python 2 support
  Move our minimum Sphinx version to 1.7
  Documentation: input: define ABS_PRESSURE/ABS_MT_PRESSURE resolution as grams
  scripts/kernel-doc: add internal hyperlink to DOC: sections
  Update Documentation/admin-guide/sysctl/fs.rst
  docs: Update DTB format references
  docs: zh_CN: add iio index.rst translation
  docs/zh_CN: add iio ep93xx_adc.rst translation
  ...
 2021-02-22 10:57:46 -08:00
Linus Torvalds
ae42c3173b for-5.12/block-ipi-2021-02-21 
-----BEGIN PGP SIGNATURE-----
 
 iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmAy7bkQHGF4Ym9lQGtl
 cm5lbC5kawAKCRD301j7KXHgpvZKD/wIWL0IqWiR0RmRPrNRuQ7yVXRVKURRpevR
 dEIgsAbtRO9RbAxL8RgIBrd4GqRdZFcLqyKwERDbQn/Zx+fEVGs7xeSLcsKGhx/T
 yLFWuQPITNo5CFj0wMIgzmqB89a8G+GEBm4cv5rG5HsVNg52nDJPpgMNC8KO1THN
 8GiXnXsffKTIAGDubR3BSBR+6Z110HhCEJtazGw7f3OtPDV2m81p8F4aWei8vszT
 DA1nyhZv7a++9xMD92l2BUW366PDOnHEyasL9IAZ46mT7xdIG8j8259ms3I8W++B
 VuKo5VttJHxdyayK/OoNPjdEDJJVKx3fPZIA57JVFw9yJGGRBefKDPpUZfCr5N3t
 goVMNexD0zW+voKj9iDlG6310ZXT71RKSeOhBAhaEhXA/GpyxAl//D0rhUF+xlZH
 5BcfBafr5yluan7FZCtautoNo0SDwjPdq9zXGKbNFIInSz+ERUC+h/7SZVb52aPp
 sJJH2aIk7ah5twfIPMwwET2kWslnk1pCo4MQiBghHpp1azAXRSSQ7f5KALGY9NbF
 al9Q8s2cAYMUN+hLpRTZEBeWWVBQcEcy+T0IUVQo5NkxOFe1lM0G0lfy9mNRHSMP
 hAeQM9fQ5+x/ALmB9rTya46BrLma1o72DUVoslmpRs7SEZXEdqfqKMjdajLlja2H
 4rDnsTfDDg==
 =W1uK
 -----END PGP SIGNATURE-----

Merge tag 'for-5.12/block-ipi-2021-02-21' of git://git.kernel.dk/linux-block

Pull block IPI updates from Jens Axboe:
 "Avoid IRQ locking for the block IPI handling (Sebastian Andrzej
  Siewior)"

* tag 'for-5.12/block-ipi-2021-02-21' of git://git.kernel.dk/linux-block:
  blk-mq: Use llist_head for blk_cpu_done
  blk-mq: Always complete remote completions requests in softirq
  smp: Process pending softirqs in flush_smp_call_function_from_idle()
 2021-02-22 10:53:05 -08:00
Linus Torvalds
d652ea30ba IOMMU Updates for Linux v5.12 
Including:
 
 	- ARM SMMU and Mediatek updates from Will Deacon:
 
 		- Support for MT8192 IOMMU from Mediatek
 
 		- Arm v7s io-pgtable extensions for MT8192
 
 		- Removal of TLBI_ON_MAP quirk
 
 		- New Qualcomm compatible strings
 
 		- Allow SVA without hardware broadcast TLB maintenance
 		  on SMMUv3
 
 		- Virtualization Host Extension support for SMMUv3 (SVA)
 
 		- Allow SMMUv3 PMU (perf) driver to be built
 		  independently from IOMMU
 
 	- Some tidy-up in IOVA and core code
 
 	- Conversion of the AMD IOMMU code to use the generic
 	  IO-page-table framework
 
 	- Intel VT-d updates from Lu Baolu:
 
 		- Audit capability consistency among different IOMMUs
 
 		- Add SATC reporting structure support
 
 		- Add iotlb_sync_map callback support
 
 	- SDHI Support for Renesas IOMMU driver
 
 	- Misc Cleanups and other small improvments
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEr9jSbILcajRFYWYyK/BELZcBGuMFAmAz2AcACgkQK/BELZcB
 GuMflRAAyOfXzFqfmniYKxXmxAhOIlibCoojXzecItifdyaFkvUhxCadRg5u3dLH
 IeACDvUiaA5VQnVhjI0a7gCckKdq5YDwwAS+GQICUKNEZtWwrHwm2QTRBmL9MOlA
 v+iTrhYCqZWIAPe16BP5L4u6q4JWS2N9oNmDp6ia1VIhPjfsHU+gXpYKSxiLicmV
 VECAHJk5/JrwKXBP2nMg3ZqGz9RoJc2CzC4zvKu7ADDB9Zl+pXs74mb4ta81Y3G4
 vf07G/ORYJjbMskz5KcmYw2897I9ejMrNaHrYNjlh2IDpGqmoCJ4+8vuVO0zslrm
 GzMOHMshaI653BmuRDHyczwNrNxMxSX3NOeR2fp76d3MSouK7RoFMr7ghMAegp1u
 qmSrqFbgnOT4cdzN8QpPyU22lmVHtQHm0P4EpZZzC95dtJo1nzt8BFrDjPdJDOyZ
 D7oKvZq+OA6MtjCN4gZ2ClxQoiUZ8E/jP1uGIknpzR1oeWnyEFtx8aI9q4yRjNcp
 n8UR7wFqbOIV0O/QC7UlEp/xSpG7BDN4BkvIgbH2qe6LmRmejCrnUWv6pkmPc9sI
 wFgV/Qnh9oo7yf6zvmCsi1r0kmfGLPRe8GB9+eN3wY3xxzDOLJEJNdVghWaP8Rz7
 MBcL/0u8+fMfQlRiOPX64BSIF7fFPY0r0+erINawf1VUbyjUsUE=
 =xSX1
 -----END PGP SIGNATURE-----

Merge tag 'iommu-updates-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:

 - ARM SMMU and Mediatek updates from Will Deacon:
     - Support for MT8192 IOMMU from Mediatek
     - Arm v7s io-pgtable extensions for MT8192
     - Removal of TLBI_ON_MAP quirk
     - New Qualcomm compatible strings
     - Allow SVA without hardware broadcast TLB maintenance on SMMUv3
     - Virtualization Host Extension support for SMMUv3 (SVA)
     - Allow SMMUv3 PMU perf driver to be built independently from IOMMU

 - Some tidy-up in IOVA and core code

 - Conversion of the AMD IOMMU code to use the generic IO-page-table
   framework

 - Intel VT-d updates from Lu Baolu:
     - Audit capability consistency among different IOMMUs
     - Add SATC reporting structure support
     - Add iotlb_sync_map callback support

 - SDHI support for Renesas IOMMU driver

 - Misc cleanups and other small improvments

* tag 'iommu-updates-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (94 commits)
  iommu/amd: Fix performance counter initialization
  MAINTAINERS: repair file pattern in MEDIATEK IOMMU DRIVER
  iommu/mediatek: Fix error code in probe()
  iommu/mediatek: Fix unsigned domid comparison with less than zero
  iommu/vt-d: Parse SATC reporting structure
  iommu/vt-d: Add new enum value and structure for SATC
  iommu/vt-d: Add iotlb_sync_map callback
  iommu/vt-d: Move capability check code to cap_audit files
  iommu/vt-d: Audit IOMMU Capabilities and add helper functions
  iommu/vt-d: Fix 'physical' typos
  iommu: Properly pass gfp_t in _iommu_map() to avoid atomic sleeping
  iommu/vt-d: Fix compile error [-Werror=implicit-function-declaration]
  driver/perf: Remove ARM_SMMU_V3_PMU dependency on ARM_SMMU_V3
  MAINTAINERS: Add entry for MediaTek IOMMU
  iommu/mediatek: Add mt8192 support
  iommu/mediatek: Remove unnecessary check in attach_device
  iommu/mediatek: Support master use iova over 32bit
  iommu/mediatek: Add iova reserved function
  iommu/mediatek: Support for multi domains
  iommu/mediatek: Add get_domain_id from dev->dma_range_map
  ...
 2021-02-22 10:31:29 -08:00
Linus Torvalds
3672ac8ac0 RDMA 5.12 merge window pull request 
- Driver updates and bug fixes: siw, hns, bnxt_re, mlx5, efa
 
 - Significant rework in rxe to get it ready to have XRC support added
 
 - Several rts bug fixes
 
 - Big series to get to 'make W=1' cleanness, primarily updating kdocs
 
 - Support for creating a RDMA MR from a DMABUF fd to allow PCI peer to
   peer transfers to GPU VRAM
 
 - Device disassociation now works properly with umad
 
 - Work to support more than 255 ports on a RDMA device
 
 - Further support for the new HNS HIP09 hardware
 
 - Coding style cleanups: comma to semicolon, unneded semicolon/blank
   lines, remove 'h' printk format, don't check for NULL before kfree,
   use true/false for bool.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEfB7FMLh+8QxL+6i3OG33FX4gmxoFAmAzvugACgkQOG33FX4g
 mxpE4w/9HqJF0lsHkRHhorrVZnJwO5hMs1QzY4wya+BqWtMEi5DreS/75uMiRmYH
 EsvO4LOvzNuP8uDjUmznRe7MLBRUg7GqIfDrxhGDIJ4tWBJ5amoordoDCY/IKcTW
 fBETEGcL92wTnZBxXX8jsVA+7QUYgGenFr6ozpdQ9EldQeEBb2CHzn5sxD/CCHXS
 k49mdk2FvPanb0r7ZIkqsDDMXjP/n7/hi9JX9fK4oCbsap0S5YavCuwVMkV0XHPe
 l7hjxsrztHZwrxFq846Sz0tIdwPIiHam+3CWpV5pUJxaI7xUZkgmCaXHRTeRCYRR
 amDOpXL7FjvUShnTyp2wUAFNR/xHdHx2uMSGR0KR5chUTmSixwD4H6xQlg2ZCvgd
 hAVWIliMh5mMqFy1+gz6ES98/Wh4u+Iv7ws5iQ8qQXWVB26+OyWL1l9ArVVysuXW
 vMIXkDR2lMk//qSz8klnqQjPR2gpjnmZ9PYq6a6EQa6xRaS3oWj2E/OWXCkdo4mv
 ISpqTNq/aZPz5+wsiv6ngxMl36Vof0T8rPudCuN+SGYTG4D7s3gZu3IGsB0cbqbW
 DMXUXLzUWx/KlMeErxWjPOQQReHZ7jq4O/A8aXBe3q13hKRlmk15MY66YFu9Poad
 mUuqxRavINNxqfPP0dkxpVL1/1w5QDMREP6AHQRs4AGl5qzzvhk=
 =Z4cZ
 -----END PGP SIGNATURE-----

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "This is quite a small cycle, if not for Lee's 70 patches cleaning the
  kdocs it would be well below typical for patch count.

  Most of the interesting work here was in the HNS and rxe drivers which
  got fairly major internal changes.

  Summary:

   - Driver updates and bug fixes: siw, hns, bnxt_re, mlx5, efa

   - Significant rework in rxe to get it ready to have XRC support added

   - Several rts bug fixes

   - Big series to get to 'make W=1' cleanness, primarily updating kdocs

   - Support for creating a RDMA MR from a DMABUF fd to allow PCI peer
     to peer transfers to GPU VRAM

   - Device disassociation now works properly with umad

   - Work to support more than 255 ports on a RDMA device

   - Further support for the new HNS HIP09 hardware

   - Coding style cleanups: comma to semicolon, unneded semicolon/blank
     lines, remove 'h' printk format, don't check for NULL before kfree,
     use true/false for bool"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (205 commits)
  RDMA/rtrs-srv: Do not pass a valid pointer to PTR_ERR()
  RDMA/srp: Fix support for unpopulated and unbalanced NUMA nodes
  RDMA/mlx5: Fail QP creation if the device can not support the CQE TS
  RDMA/mlx5: Allow CQ creation without attached EQs
  RDMA/rtrs-srv-sysfs: fix missing put_device
  RDMA/rtrs-srv: fix memory leak by missing kobject free
  RDMA/rtrs: Only allow addition of path to an already established session
  RDMA/rtrs-srv: Fix stack-out-of-bounds
  RDMA/rxe: Remove unused pkt->offset
  RDMA/ucma: Fix use-after-free bug in ucma_create_uevent
  RDMA/core: Fix kernel doc warnings for ib_port_immutable_read()
  RDMA/qedr: Use true and false for bool variable
  RDMA/hns: Adjust definition of FRMR fields
  RDMA/hns: Refactor process of posting CMDQ
  RDMA/hns: Adjust fields and variables about CMDQ tail/head
  RDMA/hns: Remove redundant operations on CMDQ
  RDMA/hns: Fixes missing error code of CMDQ
  RDMA/hns: Remove unused member and variable of CMDQ
  RDMA/ipoib: Remove racy Subnet Manager sendonly join checks
  RDMA/mlx5: Support 400Gbps IB rate in mlx5 driver
  ...
 2021-02-22 10:27:48 -08:00
Linus Torvalds
bdb39c9509 SCSI misc on 20210219 
This series consists of the usual driver updates (ufs, ibmvfc,
 qla2xxx, hisi_sas, pm80xx) plus the removal of the gdth driver (which
 is bound to cause conflicts with a trivial change somewhere).  The
 only big major rework of note is the one from Hannes trying to clean
 up our result handling code in the drivers to make it consistent.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
 -----BEGIN PGP SIGNATURE-----
 
 iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCYDAdliYcamFtZXMuYm90
 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishTblAQCk6wD8
 fcb4TItSRp0DpRzs37zhppEbrBgveuAFHhr5swEA0gL2mHcq0vnyNBinCLnERrE7
 TPYJqUKJNktnjVG7ZWc=
 =wW6p
 -----END PGP SIGNATURE-----

Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This series consists of the usual driver updates (ufs, ibmvfc,
  qla2xxx, hisi_sas, pm80xx) plus the removal of the gdth driver (which
  is bound to cause conflicts with a trivial change somewhere).

  The only big major rework of note is the one from Hannes trying to
  clean up our result handling code in the drivers to make it
  consistent"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (194 commits)
  scsi: MAINTAINERS: Adjust to reflect gdth scsi driver removal
  scsi: ufs: Give clk scaling min gear a value
  scsi: lpfc: Fix 'physical' typos
  scsi: megaraid_mbox: Fix spelling of 'allocated'
  scsi: qla2xxx: Simplify the calculation of variables
  scsi: message: fusion: Fix 'physical' typos
  scsi: target: core: Change ASCQ for residual write
  scsi: target: core: Signal WRITE residuals
  scsi: target: core: Set residuals for 4Kn devices
  scsi: hisi_sas: Add trace FIFO debugfs support
  scsi: hisi_sas: Flush workqueue in hisi_sas_v3_remove()
  scsi: hisi_sas: Enable debugfs support by default
  scsi: hisi_sas: Don't check .nr_hw_queues in hisi_sas_task_prep()
  scsi: hisi_sas: Remove deferred probe check in hisi_sas_v2_probe()
  scsi: lpfc: Add auto select on IRQ_POLL
  scsi: ncr53c8xx: Fix typos
  scsi: lpfc: Fix ancient double free
  scsi: qla2xxx: Fix some memory corruption
  scsi: qla2xxx: Remove redundant NULL check
  scsi: megaraid: Fix ifnullfree.cocci warnings
  ...
 2021-02-22 10:24:58 -08:00
Linus Torvalds
325b764089 - Fix DM integrity's HMAC support to provide enhanced security of 
internal_hash and journal_mac capabilities.
 
 - Various DM writecache fixes to address performance, fix table output
   to match what was provided at table creation, fix writing beyond end
   of device when shrinking underlying data device, and a couple other
   small cleanups.
 
 - Add DM crypt support for using trusted keys.
 
 - Fix deadlock when swapping to DM crypt device by throttling number
   of in-flight REQ_SWAP bios. Implemented in DM core so that other
   bio-based targets can opt-in by setting ti->limit_swap_bios.
 
 - Fix various inverted logic bugs in the .iterate_devices callout
   functions that are used to assess if specific feature or capability
   is supported across all devices being combined/stacked by DM.
 
 - Fix DM era target bugs that exposed users to lost writes or memory
   leaks.
 
 - Add DM core support for passing through inline crypto support of
   underlying devices. Includes block/keyslot-manager changes that
   enable extending this support to DM.
 
 - Various small fixes and cleanups (spelling fixes, front padding
   calculation cleanup, cleanup conditional zoned support in targets,
   etc).
 -----BEGIN PGP SIGNATURE-----
 
 iQFHBAABCAAxFiEEJfWUX4UqZ4x1O2wixSPxCi2dA1oFAmAqxggTHHNuaXR6ZXJA
 cmVkaGF0LmNvbQAKCRDFI/EKLZ0DWjVOCACkZKleQhsCEYHNtjZ40Du+4PPBvESA
 O+ScdUCeik4YUXvQtlFRPcYxxOH0zL0CUivLnNlsKzGTTgulw5azgFNuUTzIhH5y
 a86Q+DReigPegzVCCOenInU18pYa03rLtYOAb6SK49IqVeMWMFSJVBv73HWS7OFV
 slMlsQCN46YgbviYsGUXk5+uKMET4ijJZVW+8zSYg0GsWLHdgQtBkEoojO1n9H2B
 jio2Nvhto0bJ4dV482lmd3G+LABmaBbLs0Xx/a7iHVigkIYZz4BHwDYNz/EQnNEi
 dYlOrSL9a6ur+DFR6vxShzG40LbK7KVr8jHiXyKv2WZA7FMK0l4fyEFV
 =E+n3
 -----END PGP SIGNATURE-----

Merge tag 'for-5.12/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - Fix DM integrity's HMAC support to provide enhanced security of
   internal_hash and journal_mac capabilities.

 - Various DM writecache fixes to address performance, fix table output
   to match what was provided at table creation, fix writing beyond end
   of device when shrinking underlying data device, and a couple other
   small cleanups.

 - Add DM crypt support for using trusted keys.

 - Fix deadlock when swapping to DM crypt device by throttling number of
   in-flight REQ_SWAP bios. Implemented in DM core so that other
   bio-based targets can opt-in by setting ti->limit_swap_bios.

 - Fix various inverted logic bugs in the .iterate_devices callout
   functions that are used to assess if specific feature or capability
   is supported across all devices being combined/stacked by DM.

 - Fix DM era target bugs that exposed users to lost writes or memory
   leaks.

 - Add DM core support for passing through inline crypto support of
   underlying devices. Includes block/keyslot-manager changes that
   enable extending this support to DM.

 - Various small fixes and cleanups (spelling fixes, front padding
   calculation cleanup, cleanup conditional zoned support in targets,
   etc).

* tag 'for-5.12/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (31 commits)
  dm: fix deadlock when swapping to encrypted device
  dm: simplify target code conditional on CONFIG_BLK_DEV_ZONED
  dm: set DM_TARGET_PASSES_CRYPTO feature for some targets
  dm: support key eviction from keyslot managers of underlying devices
  dm: add support for passing through inline crypto support
  block/keyslot-manager: Introduce functions for device mapper support
  block/keyslot-manager: Introduce passthrough keyslot manager
  dm era: only resize metadata in preresume
  dm era: Use correct value size in equality function of writeset tree
  dm era: Fix bitset memory leaks
  dm era: Verify the data block size hasn't changed
  dm era: Reinitialize bitset cache before digesting a new writeset
  dm era: Update in-core bitset after committing the metadata
  dm era: Recover committed writeset after crash
  dm writecache: use bdev_nr_sectors() instead of open-coded equivalent
  dm writecache: fix writing beyond end of underlying device when shrinking
  dm table: remove needless request_queue NULL pointer checks
  dm table: fix zoned iterate_devices based device capability checks
  dm table: fix DAX iterate_devices based device capability checks
  dm table: fix iterate_devices based device capability checks
  ...
 2021-02-22 10:22:54 -08:00
Linus Torvalds
a99163e9e7 Devicetree updates for v5.12: 
- Sync dtc to upstream version v1.6.0-51-g183df9e9c2b9 and build
   host fdtoverlay
 
 - Add kbuild support to build DT overlays (%.dtbo)
 
 - Drop NULLifying match table in of_match_device(). In preparation for
   this, there are several driver cleanups to use
   (of_)?device_get_match_data().
 
 - Drop pointless wrappers from DT struct device API
 
 - Convert USB binding schemas to use graph schema and remove old plain
   text graph binding doc
 
 - Convert spi-nor and v3d GPU bindings to DT schema
 
 - Tree wide schema fixes for if/then schemas, array size constraints,
   and undocumented compatible strings in examples
 
 - Handle 'no-map' correctly for already reserved memblock regions
 -----BEGIN PGP SIGNATURE-----
 
 iQJEBAABCgAuFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmAz1GEQHHJvYmhAa2Vy
 bmVsLm9yZwAKCRD6+121jbxhw55/D/955O2f5Gjp7bXvdoSucZtks/lqlC/eIAAw
 An5pjBL+o1urXsvafEMYemwmnwq/U4vy0aJRoAK1+MiI4masb56ET0KN5LsOudki
 b3M/O16RqGF31+blWyoxseZnZh6KsKzIRoE5XAtbr/QAnpdI0/5BgGoWSWYtDk2v
 LddL650/BieyvzdnFTLWCMAxd6DW0P9SI+8N3E+XlxAWCYQrLCqVELHbkrxAGCuN
 CggHIIiNf2K7z4UopVsGjnUwML9YRHXc9wOpF1c4CBrLu9TfDvdQ4OnNcnxcl/Sp
 E2FTHG0jSVm3VJRBbk4e68uvt3HrJJWsYnMtu2QTweGC/GbeUr9LJ0MIbSwp+rsL
 FEqCMFWOniq27eJBk6jHckaoBl93AHQlIGdJR/pFAi9Ijt32tUdVG5kqD/Tl+xKm
 njPcjVjWilr2ssfZ4tUggzPp2fjrau88ZS8qLja31vElzvULeA67KjEtG0RZAtwg
 ywfATiCaT096pR9v2VYuL/5NNnZFxHx3hWsOH1rcsyPk0BLguU3dkrAn28XBVQFd
 cOPfR3T/wsT0wHDht2aXPSM0hBiejFmvLhebGuJN9lqG+Pc1f87xiCT3pM7wymtJ
 iqTMrQ7dUgjQgU91PjatdB17tlnGHe0hh8AiuhQoPgOprpRKszG+rBFJLG3yRnl7
 QmLZnQTIhw==
 =9V4A
 -----END PGP SIGNATURE-----

Merge tag 'devicetree-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree updates from Rob Herring:

 - Sync dtc to upstream version v1.6.0-51-g183df9e9c2b9 and build host
   fdtoverlay

 - Add kbuild support to build DT overlays (%.dtbo)

 - Drop NULLifying match table in of_match_device().

   In preparation for this, there are several driver cleanups to use
   (of_)?device_get_match_data().

 - Drop pointless wrappers from DT struct device API

 - Convert USB binding schemas to use graph schema and remove old plain
   text graph binding doc

 - Convert spi-nor and v3d GPU bindings to DT schema

 - Tree wide schema fixes for if/then schemas, array size constraints,
   and undocumented compatible strings in examples

 - Handle 'no-map' correctly for already reserved memblock regions

* tag 'devicetree-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (35 commits)
  driver core: platform: Drop of_device_node_put() wrapper
  of: Remove of_dev_{get,put}()
  dt-bindings: usb: Change descibe to describe in usbmisc-imx.txt
  dt-bindings: can: rcar_canfd: Group tuples in pin control properties
  dt-bindings: power: renesas,apmu: Group tuples in cpus properties
  dt-bindings: mtd: spi-nor: Convert to DT schema format
  dt-bindings: Use portable sort for version cmp
  dt-bindings: ethernet-controller: fix fixed-link specification
  dt-bindings: irqchip: Add node name to PRUSS INTC
  dt-bindings: interconnect: Fix the expected number of cells
  dt-bindings: Fix errors in 'if' schemas
  dt-bindings: iommu: renesas,ipmmu-vmsa: Make 'power-domains' conditionally required
  dt-bindings: Fix undocumented compatible strings in examples
  kbuild: Add support to build overlays (%.dtbo)
  scripts: dtc: Remove the unused fdtdump.c file
  scripts: dtc: Build fdtoverlay tool
  scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9
  scripts: dtc: Fetch fdtoverlay.c from external DTC project
  dt-bindings: thermal: sun8i: Fix misplaced schema keyword in compatible strings
  dt-bindings: iio: dac: Fix AD5686 references
  ...
 2021-02-22 10:05:12 -08:00
Linus Torvalds
882d6edfc4 gpio updates for v5.12 
- new driver for the Toshiba Visconti platform
 - rework of interrupt handling in gpio-tegra
 - updates for GPIO selftests: we're now using the character device to perform
   the subsystem checks
 - support for a new rcar variant + some code refactoring
 - refactoring of gpio-ep93xx
 - SPDX License identifier has been updated in the uapi header so that userspace
   programs bundling it can become fully REUSE-compliant
 - improvements to pwm handling in gpio-mvebu
 - support for interrupt handling and power management for gpio-xilinx as well
   as some code refactoring
 - support for a new chip variant in gpio-pca953x
 - removal of drivers: zte xs & intel-mid and removal of leftovers from
   intel-msic
 - impovements to intel drivers pulled from Andy Shevchenko
 - improvements to the gpio-aggregator virtual GPIO driver
 - and several minor tweaks and fixes to code and documentation all over the
   place
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEFp3rbAvDxGAT0sefEacuoBRx13IFAmAzzkgACgkQEacuoBRx
 13K9xA//ZjxuUdX+q3tcfcljMrSAYWVK0PwxiHtjMRCcMX5Mkg/VP0Aqig0/CAWv
 b/98JNBLX8GxWhy4WlIVgkK2NZTrPAs3c1sYxufb7AgqmhOaqA6d1xZ0oYdhPykc
 H5yy55AEhiNMZCwEFWJXZSisWKsZ+Nnz+XZl5wWEsTWcvQgOGveK/+nxk//UW2Kj
 ymtO4LnivC7vABd/gBSZshJwjE45/os8QBS2HTKw3bcHa7p9Sd72e0zYthXzIS9J
 nECOSBdHMnfcIthFrQWXOXZz72xf3KjpoouztDEKqTOVFUplxQ0BxgwfrjjNd3qJ
 sHXtIzb3ZsGXc8yDoSmSE7ahspsP/x/uYfTxDr7dn9m9obSTWwy5vXK9xJaGGk0r
 TLnPZTESXqu/Eoek22ll7345RNSFlz8g0bCbO1avdtWYTxg/oaWxr1SEvznEiDZ5
 I36K8XGPye1P2dZ3v08cjIUW6QGx9HEZmN3Djzh/pnMvhF72BDy/fipR4fnIJGOc
 ptmrHK0BWvU0fyj58TqeOXkafAulrqoKIu5sOTEkVUQlRqVF6E7pp5/KcxJv8xJs
 zbcmu/26MYkJYeo/AGpshhTD6EDnKnlab1VHrHgSkA5zKdVghRqqd4EGyRKUyQ5e
 WxEpPPG67RUIAZrmqA3eYMWncUhvD1LRTILN8ZLPlES1/9YUlIE=
 =OZtR
 -----END PGP SIGNATURE-----

Merge tag 'gpio-updates-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "It's been a relatively calm release cycle and we're actually removing
  more code than we're adding.

  Summary:

   - new driver for the Toshiba Visconti platform

   - rework of interrupt handling in gpio-tegra

   - updates for GPIO selftests: we're now using the character device to
     perform the subsystem checks

   - support for a new rcar variant + some code refactoring

   - refactoring of gpio-ep93xx

   - SPDX License identifier has been updated in the uapi header so that
     userspace programs bundling it can become fully REUSE-compliant

   - improvements to pwm handling in gpio-mvebu

   - support for interrupt handling and power management for gpio-xilinx
     as well as some code refactoring

   - support for a new chip variant in gpio-pca953x

   - removal of drivers: zte xs & intel-mid and removal of leftovers
     from intel-msic

   - impovements to intel drivers pulled from Andy Shevchenko

   - improvements to the gpio-aggregator virtual GPIO driver

   - and several minor tweaks and fixes to code and documentation all
     over the place"

* tag 'gpio-updates-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (71 commits)
  gpio: pcf857x: Fix missing first interrupt
  gpio: ep93xx: refactor base IRQ number
  gpio: ep93xx: refactor ep93xx_gpio_add_bank
  gpio: ep93xx: Fix typo s/hierarchial/hierarchical
  gpio: ep93xx: drop to_irq binding
  gpio: ep93xx: Fix wrong irq numbers in port F
  gpio: uapi: use the preferred SPDX license identifier
  gpio: gpio-xilinx: Add check if width exceeds 32
  gpio: gpio-xilinx: Add support for suspend and resume
  gpio: gpio-xilinx: Add interrupt support
  gpio: gpio-xilinx: Reduce spinlock array to array
  gpio: gpio-xilinx: Simplify with dev_err_probe()
  gpio: msic: Drop driver from Makefile
  gpio: wcove: Split out to_ireg() helper and deduplicate the code
  gpio: wcove: Switch to use regmap_set_bits(), regmap_clear_bits()
  gpio: wcove: Get rid of error prone casting in IRQ handler
  gpio: intel-mid: Remove driver for deprecated platform
  gpio: msic: Remove driver for deprecated platform
  gpio: aggregator: Remove trailing comma in terminator entries
  gpio: aggregator: Use compound literal from the header
  ...
 2021-02-22 10:00:46 -08:00
Linus Torvalds
0328b5f2ef RTC for 5.12 
Subsystem:
  - Introduce features bitfield and the first feature: RTC_FEATURE_ALARM
 
 Removed drivers:
  - ab3100
  - coh901331
  - tx4939
  - sirfsoc
 
 Drivers:
  - use rtc_lock and rtc_unlock instead of opencoding
  - constify all struct rtc_class_ops
  - quiet maybe-unused variable warning
  - replace spin_lock_irqsave with spin_lock in hard IRQ
  - pcf2127: disable Power-On Reset Override and run OTP refresh
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEycoQi/giopmpPgB12wIijOdRNOUFAmAzAIAACgkQ2wIijOdR
 NOXVDhAArDkq1P46RK6GDQV6w++RTwqMRTVTCZLG0r+gOv6BiAo8TjEb+VMlJFi5
 4D4qVEo5BDxMxNRsB/vyWIrvXDpGW/vxTH3W4G/4lGHZObYluAGeoZ+qswRPaPHU
 upJd4OXK7AThjf9lhOuhiuea6oAGfhIl4keTu3pVUAfYMYBlS9zmU45pF4KESXzm
 6Wmed2QKx3+iUcBdwToMaDpd4uJcZ9HSPP/SPlO0P1KwhfUolCfFrHjY2oGuRVCN
 dYDZ995c5jx1PU5AlEBWXcWG7mWVEpESearUCjEKYiRgpJu85EJpDmoROa4XjL49
 XJYbfnM/ZFMVJpAKPGBuOX/PYMMyOOkiYQ0GE5iHYWBctzQr3cm6D9SMynymsJHY
 mo0abVSmWU6FmUH2+n4je7ixXfuf/H0T4/xYw+1xejwGk3XpWEVYwzU6YznCXKMn
 djPO6hL+87vJC8BaQNwdAGACrO4ludJdsX2XTNg89U8eUseuFb+xJjQ06ZJCHeFL
 zrdmHdkJkLqp7Zu/HnVTT74ZQ+bp/hn9voR19HFrMqwKtbPQUfOZhWjwJOcft/rk
 jFOdPadE+OwHDB8rvBshdqNbeyJ5AUeP+6+C6xgVAuLHWtpgG4UibXp+9MWbFcgk
 219o0s2ZI/rkX9n1K/3gmgp2Y4HlSOrYIkGiybvFl0cOpLJqoZk=
 =bK2K
 -----END PGP SIGNATURE-----

Merge tag 'rtc-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Many cleanups and a few drivers removal this cycle.

  Subsystem:
   - Introduce features bitfield and the first feature: RTC_FEATURE_ALARM

  Removed drivers:
   - ab3100
   - coh901331
   - tx4939
   - sirfsoc

  Drivers:
   - use rtc_lock and rtc_unlock instead of opencoding
   - constify all struct rtc_class_ops
   - quiet maybe-unused variable warning
   - replace spin_lock_irqsave with spin_lock in hard IRQ
   - pcf2127: disable Power-On Reset Override and run OTP refresh"

* tag 'rtc-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (81 commits)
  rtc: abx80x: Add utility function for writing configuration key
  rtc: pcf2127: properly set flag WD_CD for rtc chips(pcf2129, pca2129)
  rtc: pcf8563: Add NXP PCA8565 compatible
  rtc: s3c: quiet maybe-unused variable warning
  rtc: s3c: stop setting bogus time
  rtc: sd3078: quiet maybe-unused variable warning
  rtc: s35390a: quiet maybe-unused variable warning
  rtc: rx8581: quiet maybe-unused variable warning
  rtc: rx8010: quiet maybe-unused variable warning
  rtc: rv8803: quiet maybe-unused variable warning
  rtc: rv3032: quiet maybe-unused variable warning
  rtc: rv3029: quiet maybe-unused variable warning
  rtc: rv3028: quiet maybe-unused variable warning
  rtc: rs5c372: quiet maybe-unused variable warning
  rtc: pcf85363: quiet maybe-unused variable warning
  rtc: pcf85063: quiet maybe-unused variable warnings
  rtc: meson: quiet maybe-unused variable warning
  rtc: m41t80: quiet maybe-unused variable warning
  rtc: isl1208: quiet maybe-unused variable warning
  rtc: ds3232: quiet maybe-unused variable warning
  ...
 2021-02-22 09:54:19 -08:00
Linus Torvalds
36c1b20d15 I3C for 5.12 
Subsystem:
  - Handle drivers without probe or remove callback
  - Remove callback now returns void
  - DT documentation is now in yaml
 
 New driver:
  - Silvaco I3C master
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEycoQi/giopmpPgB12wIijOdRNOUFAmAy+ycACgkQ2wIijOdR
 NOUDRg/+KPaE8MQMXh/YrnN4VXX+QZe8Yt5WynVThG8GGwDC0PrPtMcepwkd9GGA
 3EsBtuNVE7uvcUX59rmi2VrMlc6e3fRZ6g2Ub2vH5NXDZIeEXjbmq+vk6PlXNgKf
 k7LvVaQLkBCqsBoV1kraR7lPyi7rf2ZFFOYJuObj8yxADhmkpbRFQCbkWkeYGpMn
 2DN3cN2+jybmNBCh5SDDneJn/Bdr0/mBp0bLffOT+uAQ4bu6HbDOrlyZ9gY8rx8y
 TqbOT1JDhTCW0EC6IPw4SSkKXcew20XRmYSax4bx233cTCCjzsXG7vNHtv0KBide
 JlGvKEnE+WDfvPaSoxUjxtmwWfEki/qBzAZ3Mrs8/G9NRWRvE9qDU/x71hduog0g
 pqcRb0plreR7j3XusFaFu83HJtTfwHKVzWb12ExuNfzS4T/uZKs8vM0MFcedIRur
 wJg7+Qv+NGzGegELOaRkquc56x4IjXx+vYj3tbvnOrFdKgAuRU4YBn220QfYwI6d
 zx+6msuzIT/XroH6aq92Ds50hVLMQpNosuJPNsZto57hBShJgA6cmGMj79L9GldM
 CbdOu8ZBgHi4kpCWb9nunNqY0cctlQ0lEV6/1SYhCqRGLS7etS0IaUiWXNDge22N
 kzmeg5+RaA0AlAbzJHi+JOR6OnxxAhvZyys5nfQ4/X08R8JY9iY=
 =282r
 -----END PGP SIGNATURE-----

Merge tag 'i3c/for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pull i3c update from Alexandre Belloni:
 "Subsystem:
   - Handle drivers without probe or remove callback
   - Remove callback now returns void
   - DT documentation is now in yaml

  New driver:
   - Silvaco I3C master"

* tag 'i3c/for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
  i3c: master: dw: Drop redundant disec call
  MAINTAINERS: Add Silvaco I3C master
  i3c: master: svc: Add Silvaco I3C master driver
  dt-bindings: i3c: Describe Silvaco master binding
  dt-bindings: Add vendor prefix for Silvaco
  dt-bindings: i3c: mipi-hci: Include the bus binding
  dt-bindings: i3c: Convert the bus description to yaml
  i3c: Make remove callback return void
  i3c: Handle drivers without probe or remove callback
  i3c/master/mipi-i3c-hci: Specify HAS_IOMEM dependency
 2021-02-22 09:52:55 -08:00