8bda955776
1032966 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
8bda955776 |
New features:
- Support for server-side disconnect injection via debugfs - Protocol definitions for new RPC_AUTH_TLS authentication flavor Performance improvements: - Reduce page allocator traffic in the NFSD splice read actor - Reduce CPU utilization in svcrdma's Send completion handler Notable bug fixes: - Stabilize lockd operation when re-exporting NFS mounts - Fix the use of %.*s in NFSD tracepoints - Fix /proc/sys/fs/nfs/nsm_use_hostnames -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmEqq0AACgkQM2qzM29m f5dYig/5AaPN2BWYf4D1VkrAS3+zGS+3IN23WVgpbA54jgfjPEH+Aa00YhEQQa0j Y5u/jE5g/tWvenDefq5BmvdRfZMWCVc2JkngctOSflhaREUWK+HgCkH+5DQs6zUM rbX7qy0v6wJnEMSlwCKJ2AuZbYw7Bsg2nvOgEbb718/ent3umeoXEK09x3HTWLEp eVcMU5uicB5wRRPpROYG792oWzUScQ8kyiRCKJfQDoR7bINhBeVHObAIFMBo1UaH x9CMX4RlPYGmoMYUc+AqcOM7hizucHpXqM1r3oVjQ7FyI+pmDLuLL/3OTjtRUX7+ nYLqNW/PijH9PjFe4BPjGHAUQfKiTIXANAe8VdjQj70D40jYkP+jQ9SPdV+pEgi4 U4azfK3S+85/bRYYq/1alcLiP1+6dgcL++rVvnKESTH9NRgNoEw2WZHeKxXiYaxU p7oOC4XdnYDwcz/3QVWa0sK2kA5IJHzOsCQR7OilD09NAJ+AbJTAp0H3xFXTllzb AV2CAEBVZlP+pZYOehuVnKpZPa7YAWx92wRK2anbRUMZN3lF1wWBEOTd6KweIpTx l2GJSf3GWBqL1x9PjSet/cBusxYjTA+S1hE7KMrsNPhzbvpIgAZEtSqOfn9apDCV uAFIN2DSiHm3Tv0aFSJWo+CMyKkyktuiS8JFKaFdzCp9NtsBM2M= =TGkK -----END PGP SIGNATURE----- Merge tag 'nfsd-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd updates from Chuck Lever: "New features: - Support for server-side disconnect injection via debugfs - Protocol definitions for new RPC_AUTH_TLS authentication flavor Performance improvements: - Reduce page allocator traffic in the NFSD splice read actor - Reduce CPU utilization in svcrdma's Send completion handler Notable bug fixes: - Stabilize lockd operation when re-exporting NFS mounts - Fix the use of %.*s in NFSD tracepoints - Fix /proc/sys/fs/nfs/nsm_use_hostnames" * tag 'nfsd-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (31 commits) nfsd: fix crash on LOCKT on reexported NFSv3 nfs: don't allow reexport reclaims lockd: don't attempt blocking locks on nfs reexports nfs: don't atempt blocking locks on nfs reexports Keep read and write fds with each nlm_file lockd: update nlm_lookup_file reexport comment nlm: minor refactoring nlm: minor nlm_lookup_file argument change lockd: lockd server-side shouldn't set fl_ops SUNRPC: Add documentation for the fail_sunrpc/ directory SUNRPC: Server-side disconnect injection SUNRPC: Move client-side disconnect injection SUNRPC: Add a /sys/kernel/debug/fail_sunrpc/ directory svcrdma: xpt_bc_xprt is already clear in __svc_rdma_free() nfsd4: Fix forced-expiry locking rpc: fix gss_svc_init cleanup on failure SUNRPC: Add RPC_AUTH_TLS protocol numbers lockd: change the proc_handler for nsm_use_hostnames sysctl: introduce new proc handler proc_dobool SUNRPC: Fix a NULL pointer deref in trace_svc_stats_latency() ... |
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Linus Torvalds
|
4529fb1546 |
Changes in gfs2:
* Various withdraw related fixes (freeze glock recursion, thread initialization / destruction order, journal recovery, glock cleanup, withdraw under journal lock). * Some error message improvements. * Various minor cleanups. -----BEGIN PGP SIGNATURE----- iQJIBAABCAAyFiEEJZs3krPW0xkhLMTc1b+f6wMTZToFAmEtRyUUHGFncnVlbmJh QHJlZGhhdC5jb20ACgkQ1b+f6wMTZTrMMA//ZBr+FmdlDmFmQ75R/50fy9ytBGb4 Z5K8xEbkI4i4zHA8SjJat2pnWccvZ8ahQkIKmYnRmLntegWZy1jKCqXabnnp+v8I i2ceRR25uZnCMgP63VSpQnuZ2K6uXdg1f3nrUwcyUnUV1Y5W4wqMXZjY4V+2Hesu HUJFpk8FRxmKQkbcKa9PWdda/LnbT72siW0zTt0wJpXTcFyzXD5vZRrTdRxdvMQA xEDPKb1r2kKSQmvpziq1dVxbo9PHS7dSE9bzDPhA4aedXYGVmwwGjMJH7hAeKP+T fhnOnxmOHYK/kUUi+VquONShd0RkHjnqpc10HJ5uCQfS7qETNg5hOOaw4X0S9bXZ Ni+uVtZwS526RnTGCZCeS19bkCu7wPa+/m68LXot5+oA5+nFXMTY9EiT/QIfkusj V2+BWMojjcFo9dpGcQagsmshurQH5iPKhR6qHgkNqV+lvn/c0C+GvlxQKz1tnjRS oVJdOkan2hAPPVfRuCnPloz9bec6iATfz5UFT9RCEU4z2sBnwCn17BQcMpU0II8B cYLV83BKSXtSLWe5KcUSx/Oim++qUtyM+cv1BKH4ECi2iuQ9pK+iL4qFys2qQZPR NzyWftriOqpqNomED5kqiF9pAeK02oHakfFsGVbm5hVpJvuMRcX6yHNlgGbiehTC +0Y7QiOc5NX9zeY= =QBuF -----END PGP SIGNATURE----- Merge tag 'gfs2-v5.14-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 Pull gfs2 updates from Andreas Gruenbacher: - Various withdraw related fixes (freeze glock recursion, thread initialization / destruction order, journal recovery, glock cleanup, withdraw under journal lock). - Some error message improvements. - Various minor cleanups. * tag 'gfs2-v5.14-rc2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: gfs2: Remove redundant check from gfs2_glock_dq gfs2: Delay withdraw from atomic context gfs2: Don't call dlm after protocol is unmounted gfs2: don't stop reads while withdraw in progress gfs2: Mark journal inodes as "don't cache" gfs2: nit: gfs2_drop_inode shouldn't return bool gfs2: Eliminate vestigial HIF_FIRST gfs2: Make recovery error more readable gfs2: Don't release and reacquire local statfs bh gfs2: init system threads before freeze lock gfs2: tiny cleanup in gfs2_log_reserve gfs2: trivial clean up of gfs2_ail_error gfs2: be more verbose replaying invalid rgrp blocks gfs2: Fix glock recursion in freeze_go_xmote_bh gfs2: Fix memory leak of object lsi on error return path |
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Linus Torvalds
|
cd358208d7 |
fscrypt updates for 5.15
Some small fixes and cleanups for fs/crypto/:
- Fix ->getattr() for ext4, f2fs, and ubifs to report the correct
st_size for encrypted symlinks.
- Use base64url instead of a custom Base64 variant.
- Document struct fscrypt_operations.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fscrypt updates from Eric Biggers:
"Some small fixes and cleanups for fs/crypto/:
- Fix ->getattr() for ext4, f2fs, and ubifs to report the correct
st_size for encrypted symlinks
- Use base64url instead of a custom Base64 variant
- Document struct fscrypt_operations"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fscrypt: document struct fscrypt_operations
fscrypt: align Base64 encoding with RFC 4648 base64url
fscrypt: remove mention of symlink st_size quirk from documentation
ubifs: report correct st_size for encrypted symlinks
f2fs: report correct st_size for encrypted symlinks
ext4: report correct st_size for encrypted symlinks
fscrypt: add fscrypt_symlink_getattr() for computing st_size
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Linus Torvalds
|
87045e6546 |
for-5.15-tag
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Merge tag 'for-5.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"The highlights of this round are integrations with fs-verity and
idmapped mounts, the rest is usual mix of minor improvements, speedups
and cleanups.
There are some patches outside of btrfs, namely updating some VFS
interfaces, all straightforward and acked.
Features:
- fs-verity support, using standard ioctls, backward compatible with
read-only limitation on inodes with previously enabled fs-verity
- idmapped mount support
- make mount with rescue=ibadroots more tolerant to partially damaged
trees
- allow raid0 on a single device and raid10 on two devices,
degenerate cases but might be useful as an intermediate step during
conversion to other profiles
- zoned mode block group auto reclaim can be disabled via sysfs knob
Performance improvements:
- continue readahead of node siblings even if target node is in
memory, could speed up full send (on sample test +11%)
- batching of delayed items can speed up creating many files
- fsync/tree-log speedups
- avoid unnecessary work (gains +2% throughput, -2% run time on
sample load)
- reduced lock contention on renames (on dbench +4% throughput,
up to -30% latency)
Fixes:
- various zoned mode fixes
- preemptive flushing threshold tuning, avoid excessive work on
almost full filesystems
Core:
- continued subpage support, preparation for implementing remaining
features like compression and defragmentation; with some
limitations, write is now enabled on 64K page systems with 4K
sectors, still considered experimental
- no readahead on compressed reads
- inline extents disabled
- disabled raid56 profile conversion and mount
- improved flushing logic, fixing early ENOSPC on some workloads
- inode flags have been internally split to read-only and read-write
incompat bit parts, used by fs-verity
- new tree items for fs-verity
- descriptor item
- Merkle tree item
- inode operations extended to be namespace-aware
- cleanups and refactoring
Generic code changes:
- fs: new export filemap_fdatawrite_wbc
- fs: removed sync_inode
- block: bio_trim argument type fixups
- vfs: add namespace-aware lookup"
* tag 'for-5.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (114 commits)
btrfs: reset replace target device to allocation state on close
btrfs: zoned: fix ordered extent boundary calculation
btrfs: do not do preemptive flushing if the majority is global rsv
btrfs: reduce the preemptive flushing threshold to 90%
btrfs: tree-log: check btrfs_lookup_data_extent return value
btrfs: avoid unnecessarily logging directories that had no changes
btrfs: allow idmapped mount
btrfs: handle ACLs on idmapped mounts
btrfs: allow idmapped INO_LOOKUP_USER ioctl
btrfs: allow idmapped SUBVOL_SETFLAGS ioctl
btrfs: allow idmapped SET_RECEIVED_SUBVOL ioctls
btrfs: relax restrictions for SNAP_DESTROY_V2 with subvolids
btrfs: allow idmapped SNAP_DESTROY ioctls
btrfs: allow idmapped SNAP_CREATE/SUBVOL_CREATE ioctls
btrfs: check whether fsgid/fsuid are mapped during subvolume creation
btrfs: allow idmapped permission inode op
btrfs: allow idmapped setattr inode op
btrfs: allow idmapped tmpfile inode op
btrfs: allow idmapped symlink inode op
btrfs: allow idmapped mkdir inode op
...
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Linus Torvalds
|
9c849ce86e |
11 cifs/smb3 client fixes, including some restructuring to allow disabling less secure algorithms, and 2 for stable
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Merge tag '5.15-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs client updates from Steve French:
"Eleven cifs/smb3 client fixes:
- mostly restructuring to allow disabling less secure algorithms
(this will allow eventual removing rc4 and md4 from general use in
the kernel)
- four fixes, including two for stable
- enable r/w support with fscache and cifs.ko
I am working on a larger set of changes (the usual ... multichannel,
auth and signing improvements), but wanted to get these in earlier to
reduce chance of merge conflicts later in the merge window"
* tag '5.15-rc-smb3-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Do not leak EDEADLK to dgetents64 for STATUS_USER_SESSION_DELETED
cifs: add cifs_common directory to MAINTAINERS file
cifs: cifs_md4 convert to SPDX identifier
cifs: create a MD4 module and switch cifs.ko to use it
cifs: fork arc4 and create a separate module for it for cifs and other users
cifs: remove support for NTLM and weaker authentication algorithms
cifs: enable fscache usage even for files opened as rw
oid_registry: Add OIDs for missing Spnego auth mechanisms to Macs
smb3: fix posix extensions mount option
cifs: fix wrong release in sess_alloc_buffer() failed path
CIFS: Fix a potencially linear read overflow
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Linus Torvalds
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e24c567b7e |
Initial merge of kernel smb3 file server, ksmbd
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Merge tag '5.15-rc-first-ksmbd-merge' of git://git.samba.org/ksmbd
Pull initial ksmbd implementation from Steve French:
"Initial merge of kernel smb3 file server, ksmbd.
The SMB family of protocols is the most widely deployed network
filesystem protocol, the default on Windows and Macs (and even on many
phones and tablets), with clients and servers on all major operating
systems, but lacked a kernel server for Linux. For many cases the
current userspace server choices were suboptimal either due to memory
footprint, performance or difficulty integrating well with advanced
Linux features.
ksmbd is a new kernel module which implements the server-side of the
SMB3 protocol. The target is to provide optimized performance, GPLv2
SMB server, and better lease handling (distributed caching). The
bigger goal is to add new features more rapidly (e.g. RDMA aka
"smbdirect", and recent encryption and signing improvements to the
protocol) which are easier to develop on a smaller, more tightly
optimized kernel server than for example in Samba.
The Samba project is much broader in scope (tools, security services,
LDAP, Active Directory Domain Controller, and a cross platform file
server for a wider variety of purposes) but the user space file server
portion of Samba has proved hard to optimize for some Linux workloads,
including for smaller devices.
This is not meant to replace Samba, but rather be an extension to
allow better optimizing for Linux, and will continue to integrate well
with Samba user space tools and libraries where appropriate. Working
with the Samba team we have already made sure that the configuration
files and xattrs are in a compatible format between the kernel and
user space server.
Various types of functional and regression tests are regularly run
against it. One example is the automated 'buildbot' regression tests
which use the Linux client to test against ksmbd, e.g.
http://smb3-test-rhel-75.southcentralus.cloudapp.azure.com/#/builders/8/builds/56
but other test suites, including Samba's smbtorture functional test
suite are also used regularly"
* tag '5.15-rc-first-ksmbd-merge' of git://git.samba.org/ksmbd: (219 commits)
ksmbd: fix __write_overflow warning in ndr_read_string
MAINTAINERS: ksmbd: add cifs_common directory to ksmbd entry
MAINTAINERS: ksmbd: update my email address
ksmbd: fix permission check issue on chown and chmod
ksmbd: don't set FILE DELETE and FILE_DELETE_CHILD in access mask by default
MAINTAINERS: add git adddress of ksmbd
ksmbd: update SMB3 multi-channel support in ksmbd.rst
ksmbd: smbd: fix kernel oops during server shutdown
ksmbd: remove select FS_POSIX_ACL in Kconfig
ksmbd: use proper errno instead of -1 in smb2_get_ksmbd_tcon()
ksmbd: update the comment for smb2_get_ksmbd_tcon()
ksmbd: change int data type to boolean
ksmbd: Fix multi-protocol negotiation
ksmbd: fix an oops in error handling in smb2_open()
ksmbd: add ipv6_addr_v4mapped check to know if connection from client is ipv4
ksmbd: fix missing error code in smb2_lock
ksmbd: use channel signingkey for binding SMB2 session setup
ksmbd: don't set RSS capable in FSCTL_QUERY_NETWORK_INTERFACE_INFO
ksmbd: Return STATUS_OBJECT_PATH_NOT_FOUND if smb2_creat() returns ENOENT
ksmbd: fix -Wstringop-truncation warnings
...
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Linus Torvalds
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b91db6a0b5 |
for-5.15/io_uring-vfs-2021-08-30
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Linus Torvalds
|
3b629f8d6d |
io_uring-bio-cache.5-2021-08-30
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||
|
Linus Torvalds
|
c547d89a9a |
for-5.15/io_uring-2021-08-30
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||
|
Linus Torvalds
|
44d7d3b0d1 |
for-5.15/libata-2021-08-30
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||
|
Linus Torvalds
|
9a1d6c9e3f |
for-5.15/drivers-2021-08-30
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Merge tag 'for-5.15/drivers-2021-08-30' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
"Sitting on top of the core block changes, here are the driver changes
for the 5.15 merge window:
- NVMe updates via Christoph:
- suspend improvements for devices with an HMB (Keith Busch)
- handle double completions more gacefull (Sagi Grimberg)
- cleanup the selects for the nvme core code a bit (Sagi Grimberg)
- don't update queue count when failing to set io queues (Ruozhu Li)
- various nvmet connect fixes (Amit Engel)
- cleanup lightnvm leftovers (Keith Busch, me)
- small cleanups (Colin Ian King, Hou Pu)
- add tracing for the Set Features command (Hou Pu)
- CMB sysfs cleanups (Keith Busch)
- add a mutex_destroy call (Keith Busch)
- remove lightnvm subsystem. It's served its purpose and ultimately
led to zoned nvme support, we no longer need it (Christoph)
- revert floppy O_NDELAY fix (Denis)
- nbd fixes (Hou, Pavel, Baokun)
- nbd locking fixes (Tetsuo)
- nbd device removal fixes (Christoph)
- raid10 rcu warning fix (Xiao)
- raid1 write behind fix (Guoqing)
- rnbd fixes (Gioh, Md Haris)
- misc fixes (Colin)"
* tag 'for-5.15/drivers-2021-08-30' of git://git.kernel.dk/linux-block: (42 commits)
Revert "floppy: reintroduce O_NDELAY fix"
raid1: ensure write behind bio has less than BIO_MAX_VECS sectors
md/raid10: Remove unnecessary rcu_dereference in raid10_handle_discard
nbd: remove nbd->destroy_complete
nbd: only return usable devices from nbd_find_unused
nbd: set nbd->index before releasing nbd_index_mutex
nbd: prevent IDR lookups from finding partially initialized devices
nbd: reset NBD to NULL when restarting in nbd_genl_connect
nbd: add missing locking to the nbd_dev_add error path
nvme: remove the unused NVME_NS_* enum
nvme: remove nvm_ndev from ns
nvme: Have NVME_FABRICS select NVME_CORE instead of transport drivers
block: nbd: add sanity check for first_minor
nvmet: check that host sqsize does not exceed ctrl MQES
nvmet: avoid duplicate qid in connect cmd
nvmet: pass back cntlid on successful completion
nvme-rdma: don't update queue count when failing to set io queues
nvme-tcp: don't update queue count when failing to set io queues
nvme-tcp: pair send_mutex init with destroy
nvme: allow user toggling hmb usage
...
|
||
|
Linus Torvalds
|
679369114e |
for-5.15/block-2021-08-30
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||
|
Linus Torvalds
|
8596e589b7 |
Updates for timekeeping, timers and related drivers:
Core code:
- Cure a couple of incorrectness issues in the posix CPU timer code to
prevent that the tick dependency for NOHZ full is kept alive for no
reason.
- Avoid expensive double reprogramming of the clockevent device in
hrtimer_start_range_ns().
- Avoid pointless SMP function calls when the clock was set to avoid
disturbing CPUs which do not have any affected timers queued.
- Make the clocksource watchdog test work correctly when CONFIG_HZ is
less than 100.
Drivers:
- Prefer the ARM architected timer over the Exynos timer which is way
more expensive to access.
- Add device tree bindings for new Ingenic SoCs
- The usual improvements and cleanups all over the place
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Merge tag 'timers-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
"Updates for timekeeping, timers and related drivers:
Core code:
- Cure a couple of correctness issues in the posix CPU timer code to
prevent that the tick dependency for NOHZ full is kept alive for no
reason.
- Avoid expensive double reprogramming of the clockevent device in
hrtimer_start_range_ns().
- Avoid pointless SMP function calls when the clock was set to avoid
disturbing CPUs which do not have any affected timers queued.
- Make the clocksource watchdog test work correctly when CONFIG_HZ is
less than 100.
Drivers:
- Prefer the ARM architected timer over the Exynos timer which is way
more expensive to access.
- Add device tree bindings for new Ingenic SoCs
- The usual improvements and cleanups all over the place"
* tag 'timers-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (29 commits)
clocksource: Make clocksource watchdog test safe for slow-HZ systems
dt-bindings: timer: Add ABIs for new Ingenic SoCs
clocksource/drivers/fttmr010: Pass around less pointers
clocksource/drivers/mediatek: Optimize systimer irq clear flow on shutdown
clocksource/drivers/ingenic: Use bitfield macro helpers
clocksource/drivers/sh_cmt: Fix wrong setting if don't request IRQ for clock source channel
dt-bindings: timer: convert rockchip,rk-timer.txt to YAML
clocksource/drivers/exynos_mct: Mark MCT device as CLOCK_EVT_FEAT_PERCPU
clocksource/drivers/exynos_mct: Prioritise Arm arch timer on arm64
hrtimer: Unbreak hrtimer_force_reprogram()
hrtimer: Use raw_cpu_ptr() in clock_was_set()
hrtimer: Avoid more SMP function calls in clock_was_set()
hrtimer: Avoid unnecessary SMP function calls in clock_was_set()
hrtimer: Add bases argument to clock_was_set()
time/timekeeping: Avoid invoking clock_was_set() twice
timekeeping: Distangle resume and clock-was-set events
timerfd: Provide timerfd_resume()
hrtimer: Force clock_was_set() handling for the HIGHRES=n, NOHZ=y case
hrtimer: Ensure timerfd notification for HIGHRES=n
hrtimer: Consolidate reprogramming code
...
|
||
|
Linus Torvalds
|
bed9166741 |
A set of updates for the 86 reboot code:
- Limit the Dell Optiplex 990 quirk to early BIOS versions to avoid the
full 'power cycle' alike reboot which is required for the buggy BIOSes.
- Update documentation for the reboot=pci command line option and
document how DMI platform quirks can be overridden.
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Merge tag 'x86-misc-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Thomas Gleixner:
"A set of updates for the x86 reboot code:
- Limit the Dell Optiplex 990 quirk to early BIOS versions to avoid
the full 'power cycle' alike reboot which is required for the buggy
BIOSes.
- Update documentation for the reboot=pci command line option and
document how DMI platform quirks can be overridden"
* tag 'x86-misc-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/reboot: Limit Dell Optiplex 990 quirk to early BIOS versions
x86/reboot: Document how to override DMI platform quirks
x86/reboot: Document the "reboot=pci" option
|
||
|
Linus Torvalds
|
ccd8ec4a3f |
A set of updates to support port 0x22/0x23 based PCI configuration space
which can be found on various ALi chipsets and is also available on older Intel systems which expose a PIRQ router. While the Intel support is more or less nostalgia, the ALi chips are still in use on popular embedded boards used for routers. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmEsn2QTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoQT1EACIvzRbycwclASIV6rBK5FMcVa2VuXR GVqrfERPCUHQxnLshUJxnLk0NvZcQrLHjYl/QMCHBFOeEh3XrzU7JkKDW0Q8Dnov QGFRtandKDwY4TwnCPKVdz/HeWMxNRT7OF4d08Q3iKCN5l39RLxraMixSrFL8soO wgGcRTjbTa6HaMlqacFN7DwwiHxbIGJNepi0yqLZBV2dQOnZPd+ujV1FRSNXkv9p vFPfuazk/psiSXy3x/+YVPUw+6h8DRDkflc9+wvSR+1cVl8eyrjkLgLH43ihddEN Dl1SG5vKyCOtvQm+TEYdB5qjb/Zd4BjlbvKPJ+94OTtsjIIwxzInizkeTXiLHXnl SDHX9Sc8L4sYP5+tAew1WMj8K2/p6FzdHm+sBJHd2JFSsMpeErI7p0y0Nz58E7pG 0cRqeWlq7rbGFPq544A8cgx/LjPkZT4LgutGpJ6f3NTZeLfj09xbFRqxNOHqAx+h fp+36RNb1/j70Yz+4r7lLeDOVswbK+YxPIZGdnNfINTHeGllthDI5vaUL0L2jZnI CnnKjss2a1WkDC8gczr/3QYcQRKrKDHL0hn0nUh+9laAaTSwNv3oRrkUWvMqwaT8 qSMMm5Eb84B4fZLyvPIcAwyC++JU/cVCgWEP37EzhYcvp6tq8GmR1cdi1lo2/K4O qhg1d7loNh0eCg== =R+c1 -----END PGP SIGNATURE----- Merge tag 'x86-irq-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 PIRQ updates from Thomas Gleixner: "A set of updates to support port 0x22/0x23 based PCI configuration space which can be found on various ALi chipsets and is also available on older Intel systems which expose a PIRQ router. While the Intel support is more or less nostalgia, the ALi chips are still in use on popular embedded boards used for routers" * tag 'x86-irq-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Fix typo s/ECLR/ELCR/ for the PIC register x86: Avoid magic number with ELCR register accesses x86/PCI: Add support for the Intel 82426EX PIRQ router x86/PCI: Add support for the Intel 82374EB/82374SB (ESC) PIRQ router x86/PCI: Add support for the ALi M1487 (IBC) PIRQ router x86: Add support for 0x22/0x23 port I/O configuration space |
||
|
Linus Torvalds
|
0a096f240a |
A reworked version of the opt-in L1D flush mechanism:
A stop gap for potential future speculation related hardware
vulnerabilities and a mechanism for truly security paranoid
applications.
It allows a task to request that the L1D cache is flushed when the kernel
switches to a different mm. This can be requested via prctl().
Changes vs. the previous versions:
- Get rid of the software flush fallback
- Make the handling consistent with other mitigations
- Kill the task when it ends up on a SMT enabled core which defeats the
purpose of L1D flushing obviously
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Merge tag 'x86-cpu-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cache flush updates from Thomas Gleixner:
"A reworked version of the opt-in L1D flush mechanism.
This is a stop gap for potential future speculation related hardware
vulnerabilities and a mechanism for truly security paranoid
applications.
It allows a task to request that the L1D cache is flushed when the
kernel switches to a different mm. This can be requested via prctl().
Changes vs the previous versions:
- Get rid of the software flush fallback
- Make the handling consistent with other mitigations
- Kill the task when it ends up on a SMT enabled core which defeats
the purpose of L1D flushing obviously"
* tag 'x86-cpu-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation: Add L1D flushing Documentation
x86, prctl: Hook L1D flushing in via prctl
x86/mm: Prepare for opt-in based L1D flush in switch_mm()
x86/process: Make room for TIF_SPEC_L1D_FLUSH
sched: Add task_work callback for paranoid L1D flush
x86/mm: Refactor cond_ibpb() to support other use cases
x86/smp: Add a per-cpu view of SMT state
|
||
|
Linus Torvalds
|
7d6e3fa87e |
Updates to the interrupt core and driver subsystems:
Core changes:
- The usual set of small fixes and improvements all over the place, but nothing
outstanding
MSI changes:
- Further consolidation of the PCI/MSI interrupt chip code
- Make MSI sysfs code independent of PCI/MSI and expose the MSI interrupts
of platform devices in the same way as PCI exposes them.
Driver changes:
- Support for ARM GICv3 EPPI partitions
- Treewide conversion to generic_handle_domain_irq() for all chained
interrupt controllers
- Conversion to bitmap_zalloc() throughout the irq chip drivers
- The usual set of small fixes and improvements
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Merge tag 'irq-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Updates to the interrupt core and driver subsystems:
Core changes:
- The usual set of small fixes and improvements all over the place,
but nothing stands out
MSI changes:
- Further consolidation of the PCI/MSI interrupt chip code
- Make MSI sysfs code independent of PCI/MSI and expose the MSI
interrupts of platform devices in the same way as PCI exposes them.
Driver changes:
- Support for ARM GICv3 EPPI partitions
- Treewide conversion to generic_handle_domain_irq() for all chained
interrupt controllers
- Conversion to bitmap_zalloc() throughout the irq chip drivers
- The usual set of small fixes and improvements"
* tag 'irq-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits)
platform-msi: Add ABI to show msi_irqs of platform devices
genirq/msi: Move MSI sysfs handling from PCI to MSI core
genirq/cpuhotplug: Demote debug printk to KERN_DEBUG
irqchip/qcom-pdc: Trim unused levels of the interrupt hierarchy
irqdomain: Export irq_domain_disconnect_hierarchy()
irqchip/gic-v3: Fix priority comparison when non-secure priorities are used
irqchip/apple-aic: Fix irq_disable from within irq handlers
pinctrl/rockchip: drop the gpio related codes
gpio/rockchip: drop irq_gc_lock/irq_gc_unlock for irq set type
gpio/rockchip: support next version gpio controller
gpio/rockchip: use struct rockchip_gpio_regs for gpio controller
gpio/rockchip: add driver for rockchip gpio
dt-bindings: gpio: change items restriction of clock for rockchip,gpio-bank
pinctrl/rockchip: add pinctrl device to gpio bank struct
pinctrl/rockchip: separate struct rockchip_pin_bank to a head file
pinctrl/rockchip: always enable clock for gpio controller
genirq: Fix kernel doc indentation
EDAC/altera: Convert to generic_handle_domain_irq()
powerpc: Bulk conversion to generic_handle_domain_irq()
nios2: Bulk conversion to generic_handle_domain_irq()
...
|
||
|
Linus Torvalds
|
e5e726f7bb |
Updates for locking and atomics:
The regular pile:
- A few improvements to the mutex code
- Documentation updates for atomics to clarify the difference between
cmpxchg() and try_cmpxchg() and to explain the forward progress
expectations.
- Simplification of the atomics fallback generator
- The addition of arch_atomic_long*() variants and generic arch_*()
bitops based on them.
- Add the missing might_sleep() invocations to the down*() operations of
semaphores.
The PREEMPT_RT locking core:
- Scheduler updates to support the state preserving mechanism for
'sleeping' spin- and rwlocks on RT. This mechanism is carefully
preserving the state of the task when blocking on a 'sleeping' spin- or
rwlock and takes regular wake-ups targeted at the same task into
account. The preserved or updated (via a regular wakeup) state is
restored when the lock has been acquired.
- Restructuring of the rtmutex code so it can be utilized and extended
for the RT specific lock variants.
- Restructuring of the ww_mutex code to allow sharing of the ww_mutex
specific functionality for rtmutex based ww_mutexes.
- Header file disentangling to allow substitution of the regular lock
implementations with the PREEMPT_RT variants without creating an
unmaintainable #ifdef mess.
- Shared base code for the PREEMPT_RT specific rw_semaphore and rwlock
implementations. Contrary to the regular rw_semaphores and rwlocks the
PREEMPT_RT implementation is writer unfair because it is infeasible to
do priority inheritance on multiple readers. Experience over the years
has shown that real-time workloads are not the typical workloads which
are sensitive to writer starvation. The alternative solution would be
to allow only a single reader which has been tried and discarded as it
is a major bottleneck especially for mmap_sem. Aside of that many of
the writer starvation critical usage sites have been converted to a
writer side mutex/spinlock and RCU read side protections in the past
decade so that the issue is less prominent than it used to be.
- The actual rtmutex based lock substitutions for PREEMPT_RT enabled
kernels which affect mutex, ww_mutex, rw_semaphore, spinlock_t and
rwlock_t. The spin/rw_lock*() functions disable migration across the
critical section to preserve the existing semantics vs. per CPU
variables.
- Rework of the futex REQUEUE_PI mechanism to handle the case of early
wake-ups which interleave with a re-queue operation to prevent the
situation that a task would be blocked on both the rtmutex associated
to the outer futex and the rtmutex based hash bucket spinlock.
While this situation cannot happen on !RT enabled kernels the changes
make the underlying concurrency problems easier to understand in
general. As a result the difference between !RT and RT kernels is
reduced to the handling of waiting for the critical section. !RT
kernels simply spin-wait as before and RT kernels utilize rcu_wait().
- The substitution of local_lock for PREEMPT_RT with a spinlock which
protects the critical section while staying preemptible. The CPU
locality is established by disabling migration.
The underlying concepts of this code have been in use in PREEMPT_RT for
way more than a decade. The code has been refactored several times over
the years and this final incarnation has been optimized once again to be
as non-intrusive as possible, i.e. the RT specific parts are mostly
isolated.
It has been extensively tested in the 5.14-rt patch series and it has
been verified that !RT kernels are not affected by these changes.
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Merge tag 'locking-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking and atomics updates from Thomas Gleixner:
"The regular pile:
- A few improvements to the mutex code
- Documentation updates for atomics to clarify the difference between
cmpxchg() and try_cmpxchg() and to explain the forward progress
expectations.
- Simplification of the atomics fallback generator
- The addition of arch_atomic_long*() variants and generic arch_*()
bitops based on them.
- Add the missing might_sleep() invocations to the down*() operations
of semaphores.
The PREEMPT_RT locking core:
- Scheduler updates to support the state preserving mechanism for
'sleeping' spin- and rwlocks on RT.
This mechanism is carefully preserving the state of the task when
blocking on a 'sleeping' spin- or rwlock and takes regular wake-ups
targeted at the same task into account. The preserved or updated
(via a regular wakeup) state is restored when the lock has been
acquired.
- Restructuring of the rtmutex code so it can be utilized and
extended for the RT specific lock variants.
- Restructuring of the ww_mutex code to allow sharing of the ww_mutex
specific functionality for rtmutex based ww_mutexes.
- Header file disentangling to allow substitution of the regular lock
implementations with the PREEMPT_RT variants without creating an
unmaintainable #ifdef mess.
- Shared base code for the PREEMPT_RT specific rw_semaphore and
rwlock implementations.
Contrary to the regular rw_semaphores and rwlocks the PREEMPT_RT
implementation is writer unfair because it is infeasible to do
priority inheritance on multiple readers. Experience over the years
has shown that real-time workloads are not the typical workloads
which are sensitive to writer starvation.
The alternative solution would be to allow only a single reader
which has been tried and discarded as it is a major bottleneck
especially for mmap_sem. Aside of that many of the writer
starvation critical usage sites have been converted to a writer
side mutex/spinlock and RCU read side protections in the past
decade so that the issue is less prominent than it used to be.
- The actual rtmutex based lock substitutions for PREEMPT_RT enabled
kernels which affect mutex, ww_mutex, rw_semaphore, spinlock_t and
rwlock_t. The spin/rw_lock*() functions disable migration across
the critical section to preserve the existing semantics vs per-CPU
variables.
- Rework of the futex REQUEUE_PI mechanism to handle the case of
early wake-ups which interleave with a re-queue operation to
prevent the situation that a task would be blocked on both the
rtmutex associated to the outer futex and the rtmutex based hash
bucket spinlock.
While this situation cannot happen on !RT enabled kernels the
changes make the underlying concurrency problems easier to
understand in general. As a result the difference between !RT and
RT kernels is reduced to the handling of waiting for the critical
section. !RT kernels simply spin-wait as before and RT kernels
utilize rcu_wait().
- The substitution of local_lock for PREEMPT_RT with a spinlock which
protects the critical section while staying preemptible. The CPU
locality is established by disabling migration.
The underlying concepts of this code have been in use in PREEMPT_RT for
way more than a decade. The code has been refactored several times over
the years and this final incarnation has been optimized once again to be
as non-intrusive as possible, i.e. the RT specific parts are mostly
isolated.
It has been extensively tested in the 5.14-rt patch series and it has
been verified that !RT kernels are not affected by these changes"
* tag 'locking-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (92 commits)
locking/rtmutex: Return success on deadlock for ww_mutex waiters
locking/rtmutex: Prevent spurious EDEADLK return caused by ww_mutexes
locking/rtmutex: Dequeue waiter on ww_mutex deadlock
locking/rtmutex: Dont dereference waiter lockless
locking/semaphore: Add might_sleep() to down_*() family
locking/ww_mutex: Initialize waiter.ww_ctx properly
static_call: Update API documentation
locking/local_lock: Add PREEMPT_RT support
locking/spinlock/rt: Prepare for RT local_lock
locking/rtmutex: Add adaptive spinwait mechanism
locking/rtmutex: Implement equal priority lock stealing
preempt: Adjust PREEMPT_LOCK_OFFSET for RT
locking/rtmutex: Prevent lockdep false positive with PI futexes
futex: Prevent requeue_pi() lock nesting issue on RT
futex: Simplify handle_early_requeue_pi_wakeup()
futex: Reorder sanity checks in futex_requeue()
futex: Clarify comment in futex_requeue()
futex: Restructure futex_requeue()
futex: Correct the number of requeued waiters for PI
futex: Remove bogus condition for requeue PI
...
|
||
|
Linus Torvalds
|
08403e2174 |
SMP core updates:
- Replace get/put_online_cpus() in various places. The final removal will
happen shortly before v5.15-rc1 when the rest of the patches have been
merged.
- Add debug code to help the analysis of CPU hotplug failures
- A set of kernel doc updates
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Merge tag 'smp-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull SMP core updates from Thomas Gleixner:
- Replace get/put_online_cpus() in various places. The final removal
will happen shortly before v5.15-rc1 when the rest of the patches
have been merged.
- Add debug code to help the analysis of CPU hotplug failures
- A set of kernel doc updates
* tag 'smp-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
mm: Replace deprecated CPU-hotplug functions.
md/raid5: Replace deprecated CPU-hotplug functions.
Documentation: Replace deprecated CPU-hotplug functions.
smp: Fix all kernel-doc warnings
cpu/hotplug: Add debug printks for hotplug callback failures
cpu/hotplug: Use DEVICE_ATTR_*() macro
cpu/hotplug: Eliminate all kernel-doc warnings
cpu/hotplug: Fix kernel doc warnings for __cpuhp_setup_state_cpuslocked()
cpu/hotplug: Fix comment typo
smpboot: Replace deprecated CPU-hotplug functions.
|
||
|
Linus Torvalds
|
e4c3562e1b |
A single commit for debugobjects to make them work on PREEMPT_RT by
preventing object pool refill in atomic contexts. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmEsnkMTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYocrMEAC/M+xzSIxS2fYXNY076PHDzKxm6Gjs sv/kdUbmKufUTq6GaJKfaGu2+l+ecOjiS6Ita27Wf2VEkHrpxVmoV1xj+nMCu/5E DUw5WcdcVkuWCpoZH2cDZ7PyySJL5iSWTfP2zLEsNegmZlo7Z09cIcXxRplLY3m9 q371MM2AW4MzsY/5DS/JAt1OknL28APRY4ZEqNMqXZoJVwcFXBmTyZJD8GN+b58m g+0KZshjvCGRl/XGjz3Hhxu7nZcsz32c719l29rUcSNRu3+8P73TWcOH0++9Aiks gKEJ3CICLR6HA/6a1YZdS1zYMJzetmpFWQSyPxVvYtI9piPKd9kaitRgue6HQ6S0 MSChr+iB/AlOaHfkZ9VKoYgy62qDPOhqiU/BvkaOsBTZt232V2pgyIPfeilEmU7O VX0Lx7CxkEowvfh1/INX49XvzOz9HHpdUYadeMLT54+DWpk6T9mQex66s1gYQam/ q3TuXjLUi1jA5qlrujzlDhZ4b6H9+2pqA+z33JQ4QRjLt2E/azzsHDw8lrRfJY/L ncYQGX0sf2vYGQKNFn3U+nBq4rcO6yx9wCdf5+hs5SKRPjFlwHFnloO6D1yBMu1s N5cIIgJXPi+8EH+glDqqFg1PuBLZZdN0EEaPp9oKg8dA7FLVoxYPEeGRCP00Xrb/ Csi314roQPew1g== =hYnD -----END PGP SIGNATURE----- Merge tag 'core-debugobjects-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull debugobjects update from Thomas Gleixner: "A single commit for debugobjects to make them work on PREEMPT_RT by preventing object pool refill in atomic contexts" * tag 'core-debugobjects-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: debugobjects: Make them PREEMPT_RT aware |
||
|
Linus Torvalds
|
46f4945e2b |
A handful of EFI changes for this cycle:
- EFI CPER parsing improvements, - Don't take the address of efi_guid_t internal fields Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmEsriERHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1gWvg//blkr3GX+fg8pLUi8E5xDY8VyGR/4Xu1P 2bfqHrxpKPcfuGv2gwUc6smo6PDOT+080Gd2gRCesiJMaUYDr7bKucGMSwMOoLYp wIylZtune/QLukCs90LXZ+SiLH2uVUnvgC9sqQ6l5auW2bXnki0UT+jU1BThpZxc K4l+FHVGqSndeVcnEc+PwvDLuMbuapMzZAf1aB8Q4n7vfUzIz+FDoFckKhDXiLPr nojU2Lw5W4CDDiBe9y3c5O8eJl7Fei1m61P1AAdFExDvzAE/B6qf1m+//4+Yj7K+ igHFCPrHWgHK1CPrfnfera/vfY1W4aCutcwtfwPCbnZSaP6NEYuutd7BURfYHmsd Dwt8zplfWX+p9haFHrrmJ8NMHqpRxaATQA7FLIrwPMb6Io7koGrCoJqNtO59G4P5 nDYQDikICUj+mKS+cdiFrBQAK9MXPIsm8B7BzmhFFPcdnP7627BbYcMiRNm91Tdv 7tUPuw5+A5ERcLd+JnvXHBrA45ZSTb4uHmzcMFGji8YqU/WrxQwpvKfQdRnDedBZ yYl/5aqgAL51LHBC9x4+mfsOplM2dUfMuHxWR0CsHAbKvW1GRNeobyWg6cWOSLIp 80rllvrkoFv3Y4DCE5vh4ShxFypMfgQtxkKrL9pjKYiAlpboN7bC3At96Dh0u5ZU MFyrdUz+5Xo= =nD2k -----END PGP SIGNATURE----- Merge tag 'efi-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull EFI updates from Ingo Molnar: "A handful of EFI changes for this cycle: - EFI CPER parsing improvements - Don't take the address of efi_guid_t internal fields" * tag 'efi-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi: cper: check section header more appropriately efi: Don't use knowledge about efi_guid_t internals efi: cper: fix scnprintf() use in cper_mem_err_location() |
||
|
Linus Torvalds
|
4a2b88eb02 |
Perf events changes for v5.15 are:
- Add support for Intel Sapphire Rapids server CPU uncore events - Allow the AMD uncore driver to be built as a module - Misc cleanups and fixes Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmEsrWgRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1iPbg/+LTi1ki2kswWF5Fmoo0IWZ1GiCkWD0rSm SqCJR3u/MHd7QxsfPXFuhABt7mqaC50epfim0MNC1J11wRoNy6GzM/9nICdez9CK c2c3jAwoEfWE7o5PTSjXolH0FFXVYwQ9WBRJTBCaZjuXUW7TOk7h9o8fXoF8SssU VkP9z0YKanhN480v4k7/KR20ktY6GPFFu5cxhC0wyygZXIoG6ku+nmDjvN1ipo54 JQYQbCTz+dj/C0uZehbEoTZWx7cajAxlbq+Iyor3ND30YHLeRxWNEcq/Jzn9Szqa LXnIi3mg4/mHc8mtZjDHXazpMxGYI02hkBACftPb2gizR4DOwtWlw1A2oHjbfmvM oF29kcZmFU/Na2O5JTf0IpV4LLkt/OlrTsTcd5ROYWgmri3UV18MhaKz0R0vQNhI 8Xx6TJVA9fFHCIONg+4yxzDkYlxHJ9Tg8yFb06M6NWOnud03xYv4FGOzi0laoums 8XbYZUnMh8aVkXz05CYUadknu/ajMOSqAZZAstng3unazrutSCMkZ+Pzs4X+yqq5 Zz2Tb26oi6KepLD0eQNTmo1pRwuWC/IBqVF5aKH4e4qgyta/VxWob3Qd+I7ONaCl 6HpbaWz01Nw8U2wE4dQB0wKwIGlLE8bRQTS2QFuqaEHu0yZsQGt8zMwVWB+f93Gb viglPyeA/y8= =QrPT -----END PGP SIGNATURE----- Merge tag 'perf-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 perf event updates from Ingo Molnar: - Add support for Intel Sapphire Rapids server CPU uncore events - Allow the AMD uncore driver to be built as a module - Misc cleanups and fixes * tag 'perf-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits) perf/x86/amd/ibs: Add bitfield definitions in new <asm/amd-ibs.h> header perf/amd/uncore: Allow the driver to be built as a module x86/cpu: Add get_llc_id() helper function perf/amd/uncore: Clean up header use, use <linux/ include paths instead of <asm/ perf/amd/uncore: Simplify code, use free_percpu()'s built-in check for NULL perf/hw_breakpoint: Replace deprecated CPU-hotplug functions perf/x86/intel: Replace deprecated CPU-hotplug functions perf/x86: Remove unused assignment to pointer 'e' perf/x86/intel/uncore: Fix IIO cleanup mapping procedure for SNR/ICX perf/x86/intel/uncore: Support IMC free-running counters on Sapphire Rapids server perf/x86/intel/uncore: Support IIO free-running counters on Sapphire Rapids server perf/x86/intel/uncore: Factor out snr_uncore_mmio_map() perf/x86/intel/uncore: Add alias PMU name perf/x86/intel/uncore: Add Sapphire Rapids server MDF support perf/x86/intel/uncore: Add Sapphire Rapids server M3UPI support perf/x86/intel/uncore: Add Sapphire Rapids server UPI support perf/x86/intel/uncore: Add Sapphire Rapids server M2M support perf/x86/intel/uncore: Add Sapphire Rapids server IMC support perf/x86/intel/uncore: Add Sapphire Rapids server PCU support perf/x86/intel/uncore: Add Sapphire Rapids server M2PCIe support ... |
||
|
Linus Torvalds
|
5d3c0db459 |
Scheduler changes for v5.15 are:
- The biggest change in this cycle is scheduler support for asymmetric scheduling affinity, to support the execution of legacy 32-bit tasks on AArch32 systems that also have 64-bit-only CPUs. Architectures can fill in this functionality by defining their own task_cpu_possible_mask(p). When this is done, the scheduler will make sure the task will only be scheduled on CPUs that support it. (The actual arm64 specific changes are not part of this tree.) For other architectures there will be no change in functionality. - Add cgroup SCHED_IDLE support - Increase node-distance flexibility & delay determining it until a CPU is brought online. (This enables platforms where node distance isn't final until the CPU is only.) - Deadline scheduler enhancements & fixes - Misc fixes & cleanups. Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmEsrDgRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1gMxBAAmzXPnDm1pDBBUaEwc+DynNGHNxZcBO5E CaNyfywp4GMA+OC3JzUgDg1B9uvKQRdBGtv6SZ8OcyhJMfmkEvjt5/wYUrcdtQVP TA2lt80/Is8LQMnvcz7X0gmsLt+fXWQTF8ik1KT4wsi/k03Xw8BH11zHct6sV2QN NNQ+7BEjqU1HA1UXJFiaoGtWF0gdh29VyE5dSzfAis79L0XUQadS512LJKin/AK0 wYz8E+L7QIrjhfX9FQdOrR6da4TK6jAXyEY6a9dpaMHnFdtxuwhT4/BPtovNTeeY yxEZm3qSZbpghWHsMEa6Z4GIeLE6aNi3wcHt10fgdZDdotSRsNZuF6gi4A8nhRC+ 6wm+fCcFGEIBCL6eE/16Wms6YMdFfuiEAgtJGNy7GGyfH3/mS6u8eylXbLZncYXn DFHY+xUvmVZSzoPzcnYXEy4FB3kywNL7WBFxyhdXf5/EvWmmtHi4K3jVQ8jaqvhL MDk3NX9Hd0ariff3zUltWhMY5ouj6bIbBZmWWnD3s1xQT68VvE563cq0qH15dlnr j5M71eNRWvoOdZKzflgjRZzmdQtsZQ51tiMA6W6ZRfwYkHjb70qiia0r5GFf41X1 MYelmcaA8+RjKrQ5etxzzDjoXl0xDXiZric6gRQHjG1Y1Zm2rVaoD+vkJGD5TQJ0 2XTOGQgAxh4= =VdGE -----END PGP SIGNATURE----- Merge tag 'sched-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler updates from Ingo Molnar: - The biggest change in this cycle is scheduler support for asymmetric scheduling affinity, to support the execution of legacy 32-bit tasks on AArch32 systems that also have 64-bit-only CPUs. Architectures can fill in this functionality by defining their own task_cpu_possible_mask(p). When this is done, the scheduler will make sure the task will only be scheduled on CPUs that support it. (The actual arm64 specific changes are not part of this tree.) For other architectures there will be no change in functionality. - Add cgroup SCHED_IDLE support - Increase node-distance flexibility & delay determining it until a CPU is brought online. (This enables platforms where node distance isn't final until the CPU is only.) - Deadline scheduler enhancements & fixes - Misc fixes & cleanups. * tag 'sched-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits) eventfd: Make signal recursion protection a task bit sched/fair: Mark tg_is_idle() an inline in the !CONFIG_FAIR_GROUP_SCHED case sched: Introduce dl_task_check_affinity() to check proposed affinity sched: Allow task CPU affinity to be restricted on asymmetric systems sched: Split the guts of sched_setaffinity() into a helper function sched: Introduce task_struct::user_cpus_ptr to track requested affinity sched: Reject CPU affinity changes based on task_cpu_possible_mask() cpuset: Cleanup cpuset_cpus_allowed_fallback() use in select_fallback_rq() cpuset: Honour task_cpu_possible_mask() in guarantee_online_cpus() cpuset: Don't use the cpu_possible_mask as a last resort for cgroup v1 sched: Introduce task_cpu_possible_mask() to limit fallback rq selection sched: Cgroup SCHED_IDLE support sched/topology: Skip updating masks for non-online nodes sched: Replace deprecated CPU-hotplug functions. sched: Skip priority checks with SCHED_FLAG_KEEP_PARAMS sched: Fix UCLAMP_FLAG_IDLE setting sched/deadline: Fix missing clock update in migrate_task_rq_dl() sched/fair: Avoid a second scan of target in select_idle_cpu sched/fair: Use prev instead of new target as recent_used_cpu sched: Don't report SCHED_FLAG_SUGOV in sched_getattr() ... |
||
|
Linus Torvalds
|
230bda0873 |
- The usual round of minor cleanups and fixes
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmEsrTYACgkQEsHwGGHe VUqq4g/9F89bnzmeaFxt2KURuQ3iKCIZ17UcawTFNiW9hboxls1K97a3O4PEy3f9 ulu4PinW7SE+UnlWVTByvAGf4s+qUW7Jrznnr4yMHLAT4LnMdcwBaB3BQDrdKf+R E4QYp9G/LM/f+v4uRhGpd0vvZMwgW3HPGCpS87+IJKrSer8dqgy8GV8IFVZQCYlj c/GL67M7o6L9lB5l9yfWneokhBcNLXuqW8hrrEcHem3RYv5JUQ+YKzycS1spxPjb rhl+yB6dM92t4aitWHjyyQnzgDeIJUxRfSApDlR5BgzGv2xgmaslvYBln9+Jefv6 pA+NSp/mYfgK829JvTWWIhznDwC7svMN7iMZQwik0gNR2/iWNWCVqspvszzYfKud +ZCCTtFVeijHFBjhviLE635bsrQr3NvmuM/X6PQbNu6g5ts4yPnkF6PxvVnalv4p SvnKLOLmevozlyE2Iv/HyF/Ky09j94wxeBx+IsMQ1mvXaKpi4S8x3Qhn37Sx1jiI Q97SQv+JxKil5SLrQZSLPhTFfmGLt+iY+DwdkwmtpYJaOBIsB6mIPH6KWp9Jhdcp QPoawuFrbRW7TcHdFFq5rVgfYmZ3gsEHAsCYk2xu4vIr7D/QZKDIa+GaCkua0NOI jZoRmLejY1IXG0IbysYgJxVVq9+3uRzAbfgat/dDmg/+Y7NCbwo= =bPrc -----END PGP SIGNATURE----- Merge tag 'x86_cleanups_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cleanups from Borislav Petkov: "The usual round of minor cleanups and fixes" * tag 'x86_cleanups_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/kaslr: Have process_mem_region() return a boolean x86/power: Fix kernel-doc warnings in cpu.c x86/mce/inject: Replace deprecated CPU-hotplug functions. x86/microcode: Replace deprecated CPU-hotplug functions. x86/mtrr: Replace deprecated CPU-hotplug functions. x86/mmiotrace: Replace deprecated CPU-hotplug functions. |
||
|
Linus Torvalds
|
42f6e869a0 |
- A first round of changes towards splitting the arch-specific bits from
the filesystem bits of resctrl, the ultimate goal being to support ARM's equivalent technology MPAM, with the same fs interface (James Morse) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmEsrC8ACgkQEsHwGGHe VUowsA//TblmI1t1kz6JUAneOVmZILJKRKyekrUsMr3twPpUcH1zMS4yE+ohE06X IZZYh3jQokirOxQAmntbh2/uLz5AntldRDzNCEsBZerLz1kW502xaLYMCWg5wPbs LWqacvHmOmQtXpB5fxA/jNIHxQyfKc1z/wWjTMwpU6K0P0usflx1UmSaiW7Kol6y KY8B1V1DRYsCmtGQ+0Ww4Fye6TZ/w9jwwFolerSVqXy0I8TZNFITUCfmkFeSbAIp uQMBXq5SGHn+Q9AsLB2xBhLmqkIb5482eC096t/UJPdFWcBnYdMsOmuLSxz6IuVF z5gMctnsoIwdhtV7YSpTPIKopGkZKuyN4EIEwv3LVn2J9FatoeWDZu7kUyWr9WaQ rp0u+09gxUBe68h9bNQkvUfSqi5RVSsijKzQ1vs5PpsTgo4lsPjtb4AjHr9bys/e 2GSMuhaLv+h/kNnte1PXnO5+8+8Yt0N16rVPw8aJE543o2jOm21LUPb/TuAHEmi8 uKn1iq3Dt9gzep92WMFXHwapbwkpF8NXqrcP/ibN97cXx3pt8wPL3yIqOl7rRsGI BxkGDHP33aBEqbBuMFo9wW8P7whdo9ZhqjfLNmL+6HIM+JXXa0dC6sd2aD6RDrx7 +C0zffDWNfXiUWqC7bFURqRBj3bJ7oufLye3eSPHIMsssYIZYgQ= =1WGp -----END PGP SIGNATURE----- Merge tag 'x86_cache_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 resource control updates from Borislav Petkov: "A first round of changes towards splitting the arch-specific bits from the filesystem bits of resctrl, the ultimate goal being to support ARM's equivalent technology MPAM, with the same fs interface (James Morse)" * tag 'x86_cache_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits) x86/resctrl: Make resctrl_arch_get_config() return its value x86/resctrl: Merge the CDP resources x86/resctrl: Expand resctrl_arch_update_domains()'s msr_param range x86/resctrl: Remove rdt_cdp_peer_get() x86/resctrl: Merge the ctrl_val arrays x86/resctrl: Calculate the index from the configuration type x86/resctrl: Apply offset correction when config is staged x86/resctrl: Make ctrlval arrays the same size x86/resctrl: Pass configuration type to resctrl_arch_get_config() x86/resctrl: Add a helper to read a closid's configuration x86/resctrl: Rename update_domains() to resctrl_arch_update_domains() x86/resctrl: Allow different CODE/DATA configurations to be staged x86/resctrl: Group staged configuration into a separate struct x86/resctrl: Move the schemata names into struct resctrl_schema x86/resctrl: Add a helper to read/set the CDP configuration x86/resctrl: Swizzle rdt_resource and resctrl_schema in pseudo_lock_region x86/resctrl: Pass the schema to resctrl filesystem functions x86/resctrl: Add resctrl_arch_get_num_closid() x86/resctrl: Store the effective num_closid in the schema x86/resctrl: Walk the resctrl schema list instead of an arch list ... |
||
|
Linus Torvalds
|
ced119b630 |
- Remove cc-option checks which are old and already supported by the
minimal compiler version the kernel uses and thus avoid the need to invoke the compiler unnecessarily. - Cleanups -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmEsqfIACgkQEsHwGGHe VUqkBw/9Hji2LIYrC0vVtsqK9OOgz0dNVPu0njC+bcxwz28on+HilJzJAnqTxE0D KwYqOFsnl6bbfWdvML498gEiSpL+QQnCcNce28OEWLyaMvZoie1gH77qwQvJEJj8 HLN0wc2RaPai9T3cACekxaGvMt9HZrv8NvayQoGjX1GKCKMAkOTqYV5SQXIumQQQ Ak50wGiaBNreripzq4QBRdGLh3G8W18w4BIOqmEceriNEjCOQAkwDlq0wXp5fM0x SVFRH+dchgPnv90GamToY3uDr6qhqoCpQcGLn3MNVY8BxLxC9MQAzcf3xmIXu0u5 RwLZISgZ3Wh7iKyir0BTLKwmIoIaxz0Mb3dpSOzqTgBRD0USU1JjarHkOiYppX8A yX/mRkcekuCykn1hhi05HeWwKkto/5pn36sILzYX9OWxuJxdDXgQSJ9MNRWZ1B+k dcfhPC4prFieTDFa5jnZC6hwu6sleRvdw+Uw2U8pwDkYVmueER1ozz+3hgojby7g L8S1Hd/5B4aAZnDSv5qJSI5hbrFuORBEwO3MHvw9GdPBJTv1P0WHdoJqSdUQW7cW hyeILbpchgnMLF8pmKKIjg9pdFgVMn2Z5ISG+dxFv9pRz1NrA8bSvTtPxIsP/jKX +WO85aCnJTFulDdIwoL77PRXi4PVP+ir8KXs7o4IZQnVfLnPlQY= =fVgI -----END PGP SIGNATURE----- Merge tag 'x86_build_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 build updates from Borislav Petkov: - Remove cc-option checks which are old and already supported by the minimal compiler version the kernel uses and thus avoid the need to invoke the compiler unnecessarily. - Cleanups * tag 'x86_build_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/build: Move the install rule to arch/x86/Makefile x86/build: Remove the left-over bzlilo target x86/tools/relocs: Mark die() with the printf function attr format x86/build: Remove stale cc-option checks |
||
|
Linus Torvalds
|
8f645b4208 |
- Do not start processing MCEs logged early because the decoding chain
is not up yet - delay that processing until everything is ready
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Merge tag 'ras_core_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS update from Borislav Petkov:
"A single RAS change for 5.15:
- Do not start processing MCEs logged early because the decoding
chain is not up yet - delay that processing until everything is
ready"
* tag 'ras_core_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Defer processing of early errors
|
||
|
Linus Torvalds
|
05b5fdb2a8 |
- Add new HBM2 (High Bandwidth Memory Gen 2) type and add support for it
to the Intel SKx drivers
- Print additional useful per-channel error information on i10nm, like on SKL
- Check whether the AMD decoder is loaded on a guest and if so, don't
- The usual round of fixes and cleanups
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Merge tag 'edac_updates_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
"The usual EDAC stuff which managed to trickle in for 5.15:
- Add new HBM2 (High Bandwidth Memory Gen 2) type and add support for
it to the Intel SKx drivers
- Print additional useful per-channel error information on i10nm,
like on SKL
- Don't load the AMD EDAC decoder in virtual images
- The usual round of fixes and cleanups"
* tag 'edac_updates_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/i10nm: Retrieve and print retry_rd_err_log registers
EDAC/i10nm: Fix NVDIMM detection
EDAC/skx_common: Set the memory type correctly for HBM memory
EDAC/altera: Skip defining unused structures for specific configs
EDAC/mce_amd: Do not load edac_mce_amd module on guests
EDAC/mc: Add new HBM2 memory type
EDAC/amd64: Use DEVICE_ATTR helper macros
|
||
|
Linus Torvalds
|
c7a5238ef6 |
s390 updates for 5.15 merge window
- Improve ftrace code patching so that stop_machine is not required anymore. This requires a small common code patch acked by Steven Rostedt: https://lore.kernel.org/linux-s390/20210730220741.4da6fdf6@oasis.local.home/ - Enable KCSAN for s390. This comes with a small common code change to fix a compile warning. Acked by Marco Elver: https://lore.kernel.org/r/20210729142811.1309391-1-hca@linux.ibm.com - Add KFENCE support for s390. This also comes with a minimal x86 patch from Marco Elver who said also this can be carried via the s390 tree: https://lore.kernel.org/linux-s390/YQJdarx6XSUQ1tFZ@elver.google.com/ - More changes to prepare the decompressor for relocation. - Enable DAT also for CPU restart path. - Final set of register asm removal patches; leaving only three locations where needed and sane. - Add NNPA, Vector-Packed-Decimal-Enhancement Facility 2, PCI MIO support to hwcaps flags. - Cleanup hwcaps implementation. - Add new instructions to in-kernel disassembler. - Various QDIO cleanups. - Add SCLP debug feature. - Various other cleanups and improvements all over the place. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEECMNfWEw3SLnmiLkZIg7DeRspbsIFAmEs1GsACgkQIg7DeRsp bsJ9+A/9FApCECNPgu6jOX4Ee+no+LxpCPUF8rvt56TFTLv7+Dhm7fJl0xQ9utsZ FyLMDAr1/FKdm2wBW23QZH4vEIt1bd6e/03DwwK+6IjHKZHRIfB8eGJMsLj/TDzm K6/+FI7qXjvpNXxgkCqXf5yESi/y5Dgr+16kTBhPZj5awRiwe5puPamji3uiQ45V r4MdGCCC9BnTZvtPpUrr8ImnUqHJ4/TMo1YYdykLbZFuAvvYUyZ5YG5kh0pMa8JZ DGJpfLQfy7ZNscIzdVhZtfzzESVtS6/AOeBzDMO1pbM1CGXtvpJJP0Wjlr/PGwoW fvuMHpqTlDi+TfNZiPP5lwsFC89xSd6gtZH7vAuI8kFCXgW3RMjABF6h/mzpH1WO jXyaSEZROc/83gxPMYyOYiqrKyAFPbpZ/Rnav2bvGQGneqx7RvmpF3GgA9WEo1PW rMDoEbLstJuHk0E2uEV+OnQd5F7MHNonzpYfp/7pyQ+PL8w2GExV9yngVc/f3TqG HYLC9rc3K6DkxZappcJm0qTb7lDTMFI7xK3g9RiqPQBJE1v1MYE/rai48nW69ypE bRNL76AjyXKo+zKR2wlhJVMY1I1+DarMopHhZj6fzQT5te1LLsv8OuTU2gkt6dIq YoSYOYvModf3HbKnJul2tszQG9yl+vpE9MiCyBQSsxIYXCriq/c= =WDRh -----END PGP SIGNATURE----- Merge tag 's390-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Heiko Carstens: - Improve ftrace code patching so that stop_machine is not required anymore. This requires a small common code patch acked by Steven Rostedt: https://lore.kernel.org/linux-s390/20210730220741.4da6fdf6@oasis.local.home/ - Enable KCSAN for s390. This comes with a small common code change to fix a compile warning. Acked by Marco Elver: https://lore.kernel.org/r/20210729142811.1309391-1-hca@linux.ibm.com - Add KFENCE support for s390. This also comes with a minimal x86 patch from Marco Elver who said also this can be carried via the s390 tree: https://lore.kernel.org/linux-s390/YQJdarx6XSUQ1tFZ@elver.google.com/ - More changes to prepare the decompressor for relocation. - Enable DAT also for CPU restart path. - Final set of register asm removal patches; leaving only three locations where needed and sane. - Add NNPA, Vector-Packed-Decimal-Enhancement Facility 2, PCI MIO support to hwcaps flags. - Cleanup hwcaps implementation. - Add new instructions to in-kernel disassembler. - Various QDIO cleanups. - Add SCLP debug feature. - Various other cleanups and improvements all over the place. * tag 's390-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (105 commits) s390: remove SCHED_CORE from defconfigs s390/smp: do not use nodat_stack for secondary CPU start s390/smp: enable DAT before CPU restart callback is called s390: update defconfigs s390/ap: fix state machine hang after failure to enable irq KVM: s390: generate kvm hypercall functions s390/sclp: add tracing of SCLP interactions s390/debug: add early tracing support s390/debug: fix debug area life cycle s390/debug: keep debug data on resize s390/diag: make restart_part2 a local label s390/mm,pageattr: fix walk_pte_level() early exit s390: fix typo in linker script s390: remove do_signal() prototype and do_notify_resume() function s390/crypto: fix all kernel-doc warnings in vfio_ap_ops.c s390/pci: improve DMA translation init and exit s390/pci: simplify CLP List PCI handling s390/pci: handle FH state mismatch only on disable s390/pci: fix misleading rc in clp_set_pci_fn() s390/boot: factor out offset_vmlinux_info() function ... |
||
|
Linus Torvalds
|
adc5ea2210 |
m68k updates for v5.15
- Miscellaneous fixes, - Defconfig updates. -----BEGIN PGP SIGNATURE----- iIsEABYIADMWIQQ9qaHoIs/1I4cXmEiKwlD9ZEnxcAUCYSyhdhUcZ2VlcnRAbGlu dXgtbTY4ay5vcmcACgkQisJQ/WRJ8XC+QAEAl0bYitins8X3JndnWcGHkksnrQSG sfSmYkPdR8P4/UMA/2FEEEMT5z4VYo3ARDkgLA4DPCGO6av1aJdzv/URNMkD =rGjb -----END PGP SIGNATURE----- Merge tag 'm68k-for-v5.15-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k Pull m68k updates from Geert Uytterhoeven: - miscellaneous fixes - defconfig updates * tag 'm68k-for-v5.15-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: Fix asm register constraints for atomic ops m68k: Fix invalid RMW_INSNS on CPUs that lack CAS m68k: defconfig: Update defconfigs for v5.14-rc1 m68k: emu: Fix invalid free in nfeth_cleanup() |
||
|
Linus Torvalds
|
44a7d44411 |
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "Algorithms: - Add AES-NI/AVX/x86_64 implementation of SM4. Drivers: - Add Arm SMCCC TRNG based driver" [ And obviously a lot of random fixes and updates - Linus] * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (84 commits) crypto: sha512 - remove imaginary and mystifying clearing of variables crypto: aesni - xts_crypt() return if walk.nbytes is 0 padata: Remove repeated verbose license text crypto: ccp - Add support for new CCP/PSP device ID crypto: x86/sm4 - add AES-NI/AVX2/x86_64 implementation crypto: x86/sm4 - export reusable AESNI/AVX functions crypto: rmd320 - remove rmd320 in Makefile crypto: skcipher - in_irq() cleanup crypto: hisilicon - check _PS0 and _PR0 method crypto: hisilicon - change parameter passing of debugfs function crypto: hisilicon - support runtime PM for accelerator device crypto: hisilicon - add runtime PM ops crypto: hisilicon - using 'debugfs_create_file' instead of 'debugfs_create_regset32' crypto: tcrypt - add GCM/CCM mode test for SM4 algorithm crypto: testmgr - Add GCM/CCM mode test of SM4 algorithm crypto: tcrypt - Fix missing return value check crypto: hisilicon/sec - modify the hardware endian configuration crypto: hisilicon/sec - fix the abnormal exiting process crypto: qat - store vf.compatible flag crypto: qat - do not export adf_iov_putmsg() ... |
||
|
Linus Torvalds
|
4ca4256453 |
Merge branch 'core-rcu.2021.08.28a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU updates from Paul McKenney:
"RCU changes for this cycle were:
- Documentation updates
- Miscellaneous fixes
- Offloaded-callbacks updates
- Updates to the nolibc library
- Tasks-RCU updates
- In-kernel torture-test updates
- Torture-test scripting, perhaps most notably the pinning of
torture-test guest OSes so as to force differences in memory
latency. For example, in a two-socket system, a four-CPU guest OS
will have one pair of its CPUs pinned to threads in a single core
on one socket and the other pair pinned to threads in a single core
on the other socket. This approach proved able to force race
conditions that earlier testing missed. Some of these race
conditions are still being tracked down"
* 'core-rcu.2021.08.28a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (61 commits)
torture: Replace deprecated CPU-hotplug functions.
rcu: Replace deprecated CPU-hotplug functions
rcu: Print human-readable message for schedule() in RCU reader
rcu: Explain why rcu_all_qs() is a stub in preemptible TREE RCU
rcu: Use per_cpu_ptr to get the pointer of per_cpu variable
rcu: Remove useless "ret" update in rcu_gp_fqs_loop()
rcu: Mark accesses in tree_stall.h
rcu: Make rcu_gp_init() and rcu_gp_fqs_loop noinline to conserve stack
rcu: Mark lockless ->qsmask read in rcu_check_boost_fail()
srcutiny: Mark read-side data races
rcu: Start timing stall repetitions after warning complete
rcu: Do not disable GP stall detection in rcu_cpu_stall_reset()
rcu/tree: Handle VM stoppage in stall detection
rculist: Unify documentation about missing list_empty_rcu()
rcu: Mark accesses to ->rcu_read_lock_nesting
rcu: Weaken ->dynticks accesses and updates
rcu: Remove special bit at the bottom of the ->dynticks counter
rcu: Fix stall-warning deadlock due to non-release of rcu_node ->lock
rcu: Fix to include first blocked task in stall warning
torture: Make kvm-test-1-run-qemu.sh check for reboot loops
...
|
||
|
Linus Torvalds
|
6f01c935d9 |
File locking changes for v5.15.
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||
|
Linus Torvalds
|
451819aa5a |
tpmdd updates for Linux v5.15
-----BEGIN PGP SIGNATURE----- iIgEABYIADAWIQRE6pSOnaBC00OEHEIaerohdGur0gUCYSPaXRIcamFya2tvQGtl cm5lbC5vcmcACgkQGnq6IXRrq9JoSwD/cDjd6H5RArCGtEE2P2AhQHza3wKefwU3 Q8VqtspPRkUBAKz0j2+3BjDQMcSh4T2OsXXMYFBjxqUSAif9SQnTUfEL =LSaf -----END PGP SIGNATURE----- Merge tag 'tpmdd-next-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd Pull tpm driver updates from Jarkko Sakkinen: "The highlights are: - Support for signing LKM's with ECDSA keys - An integer overflow bug fix in pkey" * tag 'tpmdd-next-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd: crypto: public_key: fix overflow during implicit conversion tpm: ibmvtpm: Avoid error message when process gets signal while waiting certs: Add support for using elliptic curve keys for signing modules certs: Trigger creation of RSA module signing key if it's not an RSA key char: tpm: cr50_i2c: convert to new probe interface char: tpm: Kconfig: remove bad i2c cr50 select |
||
|
Linus Torvalds
|
4520dcbe0d |
power supply and reset changes for the v5.15 series
battery/charger related changes: - cros-peripheral-charger: new driver - mt6360-charger: new driver - simple-battery: support reading chemistry info - max17042-battery: add max77849 support - sbs-battery: add time_to_empty_now support - smb347-charger: prepare USB OTG support - rn5t618: add voltage_now support - axp288: cleanup & optimizations - max17042_battery: cleanups - ab8500: cleanups - misc minor cleanups and DT binding fixes reset related changes: - tps65086-restart: new driver - linkstation-poweroff: support NETGEAR ReadyNAS Duo v2 -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAmEmUVwACgkQ2O7X88g7 +poFbA//XimqwjO0MR7xqmm2905l78L3L1cNn7vRPzfdPbcf/kKPg8Jrx8kTn1EK wKdbP4ZQJOIyCLIFcI6oURUaNHh485KXj4DFvT13AsbkPw+2xUv0Ha5p8J698QAG RPmkTNHk+0M/K+/Z7/GPb6t0B7uQi3cg7/aIZeFo26FYpIP5XekoxP1xoLfE9lO2 aSrSbDh8oIjOLFPc4nuzm0x4Bcg/MpbUG1nhTBdP8OD8xjuMSmDUnbEvLgQYv4oP 9PLbi4jxm0VSfFhdECCSZ+x7CO0+wqxLXWCoOGlzDQ1Y2OYp9nG+Xgsj46HGh38c 11WER/16J7AfzUg1zqfu7NKDOKWad+TsTvQgXVK4GAxDOxpOS8Hz7GuP0/nnZBLx PoDAb7ZBtb6QXJDEvCDWoo+yMcZRaULbefQCgR/ys6bWoL+B6wdowxfV/daFGpmx fAMDGoSGrmYJhbPkcfAVJrN196zd5EQzbB6pyOfAPu3lJiDz+M/DyPNYwkljagAx JzSK80cwtXk07lgZZvC8Z3MJruN5pqqvWX/TA8l7dHpReoguCM3hAPUJ9pdVoIa7 haavL0UzLwya9C2sK9hcys8EBim5thkXI6GsnpRxiztkXZh0LtsUP9Dydt2srGA6 Hl4BD/g23W9+zmjkAIAvgMwbBoZ2/SHkD7l3ZqG2N2j6LrQxpwc= =UcdD -----END PGP SIGNATURE----- Merge tag 'for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply Pull power supply and reset updates from Sebastian Reichel: "Battery/charger related: - cros-peripheral-charger: new driver - mt6360-charger: new driver - simple-battery: support reading chemistry info - max17042-battery: add max77849 support - sbs-battery: add time_to_empty_now support - smb347-charger: prepare USB OTG support - rn5t618: add voltage_now support - axp288: cleanup & optimizations - max17042_battery: cleanups - ab8500: cleanups - misc minor cleanups and DT binding fixes reset related: - tps65086-restart: new driver - linkstation-poweroff: support NETGEAR ReadyNAS Duo v2" * tag 'for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (51 commits) power: supply: core: Fix parsing of battery chemistry/technology power: supply: max17042_battery: log SOC threshold using debug log level power: supply: max17042_battery: more robust chip type checks power: supply: max17042_battery: fix typo in MAx17042_TOFF power: supply: max17042_battery: clean up MAX17055_V_empty power: supply: smb347-charger: Implement USB VBUS regulator power: supply: smb347-charger: Add missing pin control activation power: supply: smb347-charger: Utilize generic regmap caching power: supply: smb347-charger: Make smb347_set_writable() IRQ-safe dt-bindings: power: supply: smb347-charger: Document USB VBUS regulator power: reset: Add TPS65086 restart driver dt-bindings: power: supply: max17042: describe interrupt power: supply: max17042: remove duplicated STATUS bit defines power: supply: max17042: handle fails of reading status register power: supply: core: Parse battery chemistry/technology dt-bindings: power: Extend battery bindings with chemistry power: reset: linkstation-poweroff: add new device power: reset: linkstation-poweroff: prepare for new devices power: supply: bq24735: reorganize ChargeOption command macros power: supply: rn5t618: Add voltage_now property ... |
||
|
Linus Torvalds
|
0da9bc6d2f |
spi: Updates for v5.15
A quiet release for SPI, some fixes and a couple of new drivers
plus one small refactoring:
- Move the chip select timing configuration from the controller
to the device to allow a bit more flexibility.
- New drivers for Rockchip SFC and Spreadtrum ADI.
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Merge tag 'spi-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A quiet release for SPI, some fixes and a couple of new drivers plus
one small refactoring:
- Move the chip select timing configuration from the controller to
the device to allow a bit more flexibility
- New drivers for Rockchip SFC and Spreadtrum ADI"
* tag 'spi-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (47 commits)
spi: spi-zynq-qspi: use wait_for_completion_timeout to make zynq_qspi_exec_mem_op not interruptible
spi: add sprd ADI for sc9863 and ums512
spi: Convert sprd ADI bindings to yaml
spi: sprd: Add ADI r3 support
spi: sprd: Fix the wrong WDG_LOAD_VAL
spi: davinci: invoke chipselect callback
spi: sprd: fill offset only to RD_CMD register for reading from slave device
spi: sprd: Make sure offset not equal to slave address size
spi: sprd: Pass offset instead of physical address to adi_read/_write()
spi: rockchip-sfc: Fix assigned but never used return error codes
spi: rockchip-sfc: Remove redundant IO operations
spi: stm32: fix excluded_middle.cocci warnings
spi: coldfire-qspi: Use clk_disable_unprepare in the remove function
spi: tegra20-slink: remove spi_master_put() in tegra_slink_remove()
spi: rockchip-sfc: add rockchip serial flash controller
spi: rockchip-sfc: Bindings for Rockchip serial flash controller
spi: orion: Prevent incorrect chip select behaviour
spi: mxic: add missing braces
spi: spi-pic32: Fix issue with uninitialized dma_slave_config
spi: spi-fsl-dspi: Fix issue with uninitialized dma_slave_config
...
|
||
|
Linus Torvalds
|
d46e0d3354 |
regulator: Update for v5.15
A very quiet releases, some fixes and cleanups but not really
that many of them. There were a couple of new driver specific
pieces:
- Support for controlling the over/under voltage protection on
BD718xx devices.
- New drivers for Richtek RTQ2134, and RTQ6752.
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Merge tag 'regulator-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"A very quiet releases, some fixes and cleanups but not really that
many of them. There were a couple of new driver specific pieces:
- Support for controlling the over/under voltage protection on
BD718xx devices
- New drivers for Richtek RTQ2134, and RTQ6752"
* tag 'regulator-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (37 commits)
regulator: vctrl: Avoid lockdep warning in enable/disable ops
regulator: vctrl: Use locked regulator_get_voltage in probe path
regulator: Documentation fix for regulator error notification helper
regulator: Minor regulator documentation fixes.
regulator: sy7636a: Use the regmap directly
regulator: sy7636a: Store the epd-pwr-good GPIO locally
regulator: sy7636a: Use the parent driver data
regulator: sy7636a: Remove the poll_enable_time
regulator: sy8827n: Enable REGCACHE_FLAT
regulator: sy8824x: Enable REGCACHE_FLAT
regulator: rtq2134: Fix coding style
regulator: hi6421v600: rename voltage range arrays
regulator: hi6421v600: use lowercase for ldo
regulator: fixed: use dev_err_probe for register
regulator: rtq2134: Add support for Richtek RTQ2134 SubPMIC
regulator: rtq2134: Add binding document for Richtek RTQ2134 SubPMIC
regulator: Fix a couple of spelling mistakes in Kconfig
regulator: rtq6752: fix reg reset behavior
regulator: da9063: Add support for full-current mode.
regulator: rt6245: make a const array func_base static, makes object smaller
...
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Linus Torvalds
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4aed6ee53f |
regmap: Updates for v5.15
A few small fixes for regmaps this time, plus support for
allowing drivers to select raw spinlocks for the locks in order
to allow usage in interrutpt controllers.
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Merge tag 'regmap-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"A few small fixes for regmaps this time, plus support for allowing
drivers to select raw spinlocks for the locks in order to allow usage
in interrutpt controllers"
* tag 'regmap-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: teach regmap to use raw spinlocks if requested in the config
regmap: allow const array for {devm_,}regmap_field_bulk_alloc reg_fields
regmap: Prefer unsigned int to bare use of unsigned
regmap: fix the offset of register error log
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Linus Torvalds
|
aa99f3c2b9 |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmEmTZcACgkQnJ2qBz9k QNkkmAgArW6XoF1CePds/ZaC9vfg/nk66/zVo0n+J8xXjMWAPxcKbWFfV0uWVixq yk4lcLV47a2Mu/B/1oLNd3vrSmhwU+srWqNwOFn1nv+lP/6wJqr8oztRHn/0L9Q3 ZSRrukSejbQ6AvTL/WzTNnCjjCc2ne3Kyko6W41aU6uyJuzhSM32wbx7qlV6t54Z iint9OrB4gM0avLohNafTUq6I+tEGzBMNwpCG/tqCmkcvDcv3rTDVAnPSCTm0Tx2 hdrYDcY/rLxo93pDBaW1rYA/fohR+mIVye6k2TjkPAL6T1x+rxeT5qnc+YijH5yF sFPDhlD+ZsfOLi8stWXLOJ+8+gLODg== =pDBR -----END PGP SIGNATURE----- Merge tag 'hole_punch_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull fs hole punching vs cache filling race fixes from Jan Kara: "Fix races leading to possible data corruption or stale data exposure in multiple filesystems when hole punching races with operations such as readahead. This is the series I was sending for the last merge window but with your objection fixed - now filemap_fault() has been modified to take invalidate_lock only when we need to create new page in the page cache and / or bring it uptodate" * tag 'hole_punch_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: filesystems/locking: fix Malformed table warning cifs: Fix race between hole punch and page fault ceph: Fix race between hole punch and page fault fuse: Convert to using invalidate_lock f2fs: Convert to using invalidate_lock zonefs: Convert to using invalidate_lock xfs: Convert double locking of MMAPLOCK to use VFS helpers xfs: Convert to use invalidate_lock xfs: Refactor xfs_isilocked() ext2: Convert to using invalidate_lock ext4: Convert to use mapping->invalidate_lock mm: Add functions to lock invalidate_lock for two mappings mm: Protect operations adding pages to page cache with invalidate_lock documentation: Sync file_operations members with reality mm: Fix comments mentioning i_mutex |
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Linus Torvalds
|
a1ca8e7147 |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmEmPKcACgkQnJ2qBz9k QNk6RwgA2GJlJ6g2I/iT64ii4l8nWVEyp1OI/m2DvEaoci+SLp/oIh/VbEMsdj7D Fvoajo6KRu53/Ucwg+u9i5tygpCcu5X52DB1qZWzNZKxl98EdXRTb9e6n3jNDBti dz4EAd/YZhADiS5sX9kZLbSE1Kzirx8ULsftZ3T31rkU9n1pJD6tH7qyHDot3oV+ XnONRBb2coJ5E7qeRqa8T35uG9a4JGgnDICg3qISPXn+ZNX4u61vXQu/r2YzTGn5 0b6G3X8YTCLti4w14/eGm9bMw3J5TLqRDg/d73B34ju6xcKPP83j/UmHFyxpNnGD mg6mi8PyeEiwPbglSdVBaFQoOroK9Q== =Hket -----END PGP SIGNATURE----- Merge tag 'fs_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull UDF and isofs updates from Jan Kara: "Several smaller fixes and cleanups in UDF and isofs" * tag 'fs_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: udf_get_extendedattr() had no boundary checks. isofs: joliet: Fix iocharset=utf8 mount option udf: Fix iocharset=utf8 mount option udf: Get rid of 0-length arrays in struct fileIdentDesc udf: Get rid of 0-length arrays udf: Remove unused declaration udf: Check LVID earlier |
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|
Linus Torvalds
|
63b0c40339 |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmEmO6kACgkQnJ2qBz9k QNmP4wf+N4n3pDgCfEBPTFBMzghIqLfFSdRx713cj7u6Bi7qwZB90ChdgGC/J2lh KVh9KvzneSqo4CoaYYLECDkM9cLGZuX0YEWX7L0+LivEoIVuoFK0OKDcyptKl5FK fKi5tK287NlgXh9PqxuPlYUsaxQKh7PSqO4+9IgHFX/P7NMbxdRiGg8Nb+rp9XhP IDzfR/qNqlyjYHJUae5GuE2hsbX8lFAkSnmQiz8ya6c3IZdc8GmaVL1jJI+ynre/ CMHysDV2QPS5UcMjO2YnoG3Osl18TOTsutnCDPzYI2qr4UGB+4RxfCgEVVdc6F3v p4VfqfJB09sHpkRBrN9Lz+MgxxkVkQ== =CRIk -----END PGP SIGNATURE----- Merge tag 'fiemap_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull FIEMAP cleanups from Jan Kara: "FIEMAP cleanups from Christoph transitioning all remaining filesystems supporting FIEMAP (ext2, hpfs) to iomap API and removing the old helper" * tag 'fiemap_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fs: remove generic_block_fiemap hpfs: use iomap_fiemap to implement ->fiemap ext2: use iomap_fiemap to implement ->fiemap ext2: make ext2_iomap_ops available unconditionally |
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|
Linus Torvalds
|
3513431926 |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAmEmOoUACgkQnJ2qBz9k QNm8XggA6cbU79idj2HgDG5Wj4X3cd1+NlpPP2HytvTomwqYHJmHPAg0b44AsfHT ToHeYhIqb78MbLHn8fl4g5+O01raqihbUyIcRNcgdeQcle7Phuv/hDlsr8EOhfea mec4vottwaoiNn+4o7ciUAIri0stbVL8VPpnOy0X7iCmX7OC2vUvhQQGwvyfmXZm +F/8jppfvfsxl73SbWhG+sgD83D4ASZ+BGwC1Fx9tHitOVTJzg+CR2C1J4seaK6E r8+u/K6YKSrCGgA2dOVgzYyp2vHPGbHS4Z3H1HDXS+mtqxHJYqPR54kRT1BqCEQX Nm4CP7+u6a+86HLpBZi1NhvYrgLTig== =LJaZ -----END PGP SIGNATURE----- Merge tag 'fsnotify_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull fsnotify updates from Jan Kara: "fsnotify speedups when notification actually isn't used and support for identifying processes which caused fanotify events through pidfd instead of normal pid" * tag 'fsnotify_for_v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fsnotify: optimize the case of no marks of any type fsnotify: count all objects with attached connectors fsnotify: count s_fsnotify_inode_refs for attached connectors fsnotify: replace igrab() with ihold() on attach connector fanotify: add pidfd support to the fanotify API fanotify: introduce a generic info record copying helper fanotify: minor cosmetic adjustments to fid labels kernel/pid.c: implement additional checks upon pidfd_create() parameters kernel/pid.c: remove static qualifier from pidfd_create() |
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Linus Torvalds
|
2287a51ba8 |
vt_kdsetmode: extend console locking
As per the long-suffering comment. Reported-by: Minh Yuan <yuanmingbuaa@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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nick black
|
3a2b2eb556 |
console: consume APC, DM, DCS
The Linux console's VT102 implementation already consumes OSC
("Operating System Command") sequences, probably because that's how
palette changes are transmitted.
In addition to OSC, there are three other major clases of ANSI control
strings: APC ("Application Program Command"), PM ("Privacy Message"),
and DCS ("Device Control String"). They are handled similarly to OSC in
terms of termination.
Source: vt100.net
Add three new enumerated states, one for each of these types. All three
are handled the same way right now--they simply consume input until
terminated. I hope to expand upon this firmament in the future. Add
new predicate ansi_control_string(), returning true for any of these
states. Replace explicit checks against ESosc with calls to this
function. Transition to these states appropriately from the escape
initiation (ESesc) state.
This was motivated by the following Notcurses bugs:
https://github.com/dankamongmen/notcurses/issues/2050
https://github.com/dankamongmen/notcurses/issues/1828
https://github.com/dankamongmen/notcurses/issues/2069
where standard VT sequences are not consumed by the Linux console. It's
not necessary that the Linux console *support* these sequences, but it
ought *consume* these well-specified classes of sequences.
Tested by sending a variety of escape sequences to the console, and
verifying that they still worked, or were now properly consumed.
Verified that the escapes were properly terminated at a generic level.
Verified that the Notcurses tools continued to show expected output on
the Linux console, except now without escape bleedthrough.
Link: https://lore.kernel.org/lkml/YSydL0q8iaUfkphg@schwarzgerat.orthanc/
Signed-off-by: nick black <dankamongmen@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds
|
291d47ccad |
string: improve default out-of-line memcmp() implementation
This just does the "if the architecture does efficient unaligned handling, start the memcmp using 'unsigned long' accesses", since Nikolay Borisov found a load that cares. This is basically the minimal patch, and limited to architectures that are known to not have slow unaligned handling. We've had the stupid byte-at-a-time version forever, and nobody has ever even noticed before, so let's keep the fix minimal. A potential further improvement would be to align one of the sources in order to at least minimize unaligned cases, but the only real case of bigger memcmp() users seems to be the FIDEDUPERANGE ioctl(). As David Sterba says, the dedupe ioctl is typically called on ranges spanning many pages so the common case will all be page-aligned anyway. All the relevant architectures select HAVE_EFFICIENT_UNALIGNED_ACCESS, so I'm not going to worry about the combination of a very rare use-case and a rare architecture until somebody actually hits it. Particularly since Nikolay also tested the more complex patch with extra alignment handling code, and it only added overhead. Link: https://lore.kernel.org/lkml/20210721135926.602840-1-nborisov@suse.com/ Reported-by: Nikolay Borisov <nborisov@suse.com> Cc: David Sterba <dsterba@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Jens Axboe
|
87df7fb922 |
io-wq: fix wakeup race when adding new work
When new work is added, io_wqe_enqueue() checks if we need to wake or create a new worker. But that check is done outside the lock that otherwise synchronizes us with a worker going to sleep, so we can end up in the following situation: CPU0 CPU1 lock insert work unlock atomic_read(nr_running) != 0 lock atomic_dec(nr_running) no wakeup needed Hold the wqe lock around the "need to wakeup" check. Then we can also get rid of the temporary work_flags variable, as we know the work will remain valid as long as we hold the lock. Cc: stable@vger.kernel.org Reported-by: Andres Freund <andres@anarazel.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Jens Axboe
|
a9a4aa9fbf |
io-wq: wqe and worker locks no longer need to be IRQ safe
io_uring no longer queues async work off completion handlers that run in hard or soft interrupt context, and that use case was the only reason that io-wq had to use IRQ safe locks for wqe and worker locks. Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Jens Axboe
|
ecc53c48c1 |
io-wq: check max_worker limits if a worker transitions bound state
For the two places where new workers are created, we diligently check if we are allowed to create a new worker. If we're currently at the limit of how many workers of a given type we can have, then we don't create any new ones. If you have a mixed workload with various types of bound and unbounded work, then it can happen that a worker finishes one type of work and is then transitioned to the other type. For this case, we don't check if we are actually allowed to do so. This can cause io-wq to temporarily exceed the allowed number of workers for a given type. When retrieving work, check that the types match. If they don't, check if we are allowed to transition to the other type. If not, then don't handle the new work. Cc: stable@vger.kernel.org Reported-by: Johannes Lundberg <johalun0@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Heiko Carstens
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927932240a |
s390: remove SCHED_CORE from defconfigs
This causes too many problems. Enable it again when everything has been sorted out. Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Pavel Begunkov
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f1042b6ccb |
io_uring: allow updating linked timeouts
We allow updating normal timeouts, add support for adjusting timings of linked timeouts as well. Reported-by: Victor Stewart <v@nametag.social> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |