linux/fs
Linus Torvalds cb95904b47 Scheduler updates:
Kconfig updates:
 
  - Simplify PREEMPT_DYNAMIC (Mark Rutland)
 
 Fair scheduler updates:
 
  - Remove redundant RUN_TO_PARITY check (Elif Topuz)
 
  - Declare augmented callbacks per field, fix rb_add_augmented_cached()
    descent (Yiwei Lin, Peter Zijlstra)
 
  - Restart fair hrtick after same-task repicks (Shubhang Kaushik)
 
  - Improve the scheduling latency of short slice tasks (Vincent Guittot)
 
 Deadline/RT scheduler updates:
 
  - Check start_dl_timer expiry with ktime_before()
    (Liang Hao)
 
  - irq_work: CPU-hotplug improvements on PREEMPT_RT (Sebastian Andrzej
    Siewior)
 
 Energy-aware scheduling updates:
 
  - Implement the steal_governor, introduce preferred CPUs and
    steal-driven vCPU backoff (Shrikanth Hegde)
 
 Multi-processor load-balancing updates:
 
  - Enable preferred SMT siblings on NVIDIA Olympus (Andrea Righi)
 
  - Randomize equally shallow idle CPU picks (Christian Loehle)
 
  - Remove redundant core_sched_seq (Hui Su)
 
 Cache-aware scheduling updates:
 
  - Avoid publishing partial LLC utilization (Jemmy Wong)
 
 NUMA-balancing updates:
 
  - Reset NUMA fault locality after scan period update (Eric Kim)
 
 Proxy execution updates:
 
  - Ongoing work to implement sleeping owner handling for proxy
    execution (John Stultz, Vasily Gorbik)
 
  - Preparatory steps to make sched_ext compatible with proxy
    execution (Andrea Righi)
 
 Scheduler infrastructure updates & fixes:
 
  - Remove the RCU wait from PSI trigger destruction (Shakeel Butt)
 
  - Avoid modifying wait-entry on failed priority registration
    (Hui Su)
 
  - Use the new static key API for sched_feat (Hongyan Xia)
 
  - Convert paravirt_steal to new static key APIs (Hongyan Xia)
 
  - cputime: Don't account idle time twice after dyntick-idle
    (Stian Halseth)
 
 Scheduler debugging updates:
 
  - Set TIF_NEED_RESCHED before calling __trace_set_need_resched()
    (Sechang Lim)
 
  - Fix context analysis errors in non-preferred CPU push (Shrikanth
    Hegde)
 
 Misc cleanups and fixes by Christian Loehle, Shubhang Kaushik,
 Thomas Huth and Vladimir Zapolskiy.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2026-10-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:
 "Kconfig updates:

   - Simplify PREEMPT_DYNAMIC (Mark Rutland)

  Fair scheduler updates:

   - Remove redundant RUN_TO_PARITY check (Elif Topuz)

   - Declare augmented callbacks per field, fix
     rb_add_augmented_cached() descent (Yiwei Lin, Peter Zijlstra)

   - Restart fair hrtick after same-task repicks (Shubhang Kaushik)

   - Improve the scheduling latency of short slice tasks (Vincent
     Guittot)

  Deadline/RT scheduler updates:

   - Check start_dl_timer expiry with ktime_before() (Liang Hao)

   - irq_work: CPU-hotplug improvements on PREEMPT_RT (Sebastian Andrzej
     Siewior)

  Energy-aware scheduling updates:

   - Implement the steal_governor, introduce preferred CPUs and
     steal-driven vCPU backoff (Shrikanth Hegde)

  Multi-processor load-balancing updates:

   - Enable preferred SMT siblings on NVIDIA Olympus (Andrea Righi)

   - Randomize equally shallow idle CPU picks (Christian Loehle)

   - Remove redundant core_sched_seq (Hui Su)

  Cache-aware scheduling updates:

   - Avoid publishing partial LLC utilization (Jemmy Wong)

  NUMA-balancing updates:

   - Reset NUMA fault locality after scan period update (Eric Kim)

  Proxy execution updates:

   - Ongoing work to implement sleeping owner handling for proxy
     execution (John Stultz, Vasily Gorbik)

   - Preparatory steps to make sched_ext compatible with proxy execution
     (Andrea Righi)

  Scheduler infrastructure updates & fixes:

   - Remove the RCU wait from PSI trigger destruction (Shakeel Butt)

   - Avoid modifying wait-entry on failed priority registration
     (Hui Su)

   - Use the new static key API for sched_feat (Hongyan Xia)

   - Convert paravirt_steal to new static key APIs (Hongyan Xia)

   - cputime: Don't account idle time twice after dyntick-idle
     (Stian Halseth)

  Scheduler debugging updates:

   - Set TIF_NEED_RESCHED before calling __trace_set_need_resched()
     (Sechang Lim)

   - Fix context analysis errors in non-preferred CPU push (Shrikanth
     Hegde)

  Misc cleanups and fixes by Christian Loehle, Shubhang Kaushik,
  Thomas Huth and Vladimir Zapolskiy"

* tag 'sched-core-2026-10-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (64 commits)
  sched: Replace nr_iowait_cpu() with a bool accessor
  Revert "sched/fair: Remove dead code on enqueue_task_fair()"
  sched/cache: Avoid publishing partial LLC utilization
  sched/cputime: Don't account idle time twice after dyntick-idle
  sched/psi: Remove the RCU wait from trigger destruction
  sched/eevdf: Remove redundant RUN_TO_PARITY check
  sched/wait: Avoid modifying entry on failed priority registration
  rbtree_test: Use rb_add_augmented_cached() for the cached augmented test
  rbtree: Update augmented data on the way down in rb_add_augmented_cached()
  rbtree: Declare augmented callbacks per field with RB_AUG()
  rbtree_test: Use rb_add() and rb_add_cached() for the basic tests
  smpboot: Don't park the thread if work is pending
  irq_work: Flush lazy work CPU down on PREEMPT_RT
  irq_work: Update a comment regarding CPU hotplug invocation
  sched/topology: Add asymmetric SMT packing override
  sched/fair: Honor asymmetric SMT priority in idle selection
  sched: Set TIF_NEED_RESCHED before calling __trace_set_need_resched()
  sched/core: Fix context analysis errors in non-preferred CPU push
  virt/steal_governor: Enable the driver
  virt/steal_governor: Implement steal_governor policy loop
  ...
2026-10-20 12:35:35 -10:00
..
9p vfs-7.4-rc1.netfs 2026-10-19 20:12:19 -10:00
adfs vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
affs fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
afs vfs-7.4-rc1.netfs 2026-10-19 20:12:19 -10:00
autofs vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
befs
btrfs vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
cachefiles fscache, cachefiles: Fix resize handling 2026-10-16 11:02:26 +02:00
ceph vfs-7.4-rc1.netfs 2026-10-19 20:12:19 -10:00
coda fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
configfs vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
cramfs
crypto fscrypt updates for 7.3 2026-08-17 19:04:16 -07:00
debugfs vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
devpts devpts: reject max=0 instead of silently lifting the limit 2026-09-04 12:57:46 +02:00
dlm
ecryptfs fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
efivarfs fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
erofs vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
exfat vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
exportfs
ext2 vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
ext4 vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
f2fs fs: port mnt_idmap() and file_mnt_idmap() to const mnt_idmap 2026-09-23 09:19:51 +02:00
fat vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
fuse vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
gfs2 vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
hfs vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
hfsplus fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
hostfs fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
hpfs fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
hugetlbfs fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
iomap fs/iomap: document ret parameter of iomap_iter_continue 2026-10-13 16:59:01 +02:00
isofs isofs: Fix handling of directories with tight blocks 2026-09-23 18:58:11 +02:00
jbd2 buffer: clear BH_Write_EIO when a write succeeds, not when one starts 2026-09-10 09:27:27 +02:00
jffs2 fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
jfs fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
kernfs vfs-7.4-rc1.kernfs 2026-10-19 18:52:22 -10:00
lockd NFS client updates for Linux 7.3 2026-08-26 15:09:21 -07:00
minix fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
netfs fscache, cachefiles: Fix resize handling 2026-10-16 11:02:26 +02:00
nfs vfs-7.4-rc1.netfs 2026-10-19 20:12:19 -10:00
nfs_common
nfsd vfs-7.4-rc1.misc 2026-10-19 19:30:45 -10:00
nilfs2 fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
nls nls: fix the Unicode to charset tables of iso8859-14 2026-09-25 16:04:53 +02:00
notify fsnotify: prevent mark additions during connector teardown 2026-10-14 22:08:05 +02:00
ntfs vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
ntfs3 vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
ocfs2 vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
omfs vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
openpromfs
orangefs vfs-7.4-rc1.misc 2026-10-19 19:30:45 -10:00
overlayfs vfs-7.4-rc1.lookup 2026-10-19 18:59:41 -10:00
proc Scheduler updates: 2026-10-20 12:35:35 -10:00
pstore
qnx4
qnx6
quota vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
ramfs fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
resctrl fs/resctrl: Ensure default group reports tasks on monitor-only systems 2026-10-09 17:43:05 -07:00
romfs vfs-7.3-rc1.super 2026-08-17 13:57:04 -07:00
smb vfs-7.4-rc1.netfs 2026-10-19 20:12:19 -10:00
squashfs squashfs: Add dictionary size range check to prevent shift-out-of-bounds 2026-09-16 10:26:47 +02:00
sysfs
tests vfs: use __struct_size() in the fdtable KUnit test 2026-09-11 14:47:49 +02:00
tracefs vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
ubifs fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
udf fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
ufs vfs-7.4-rc1.misc 2026-10-19 19:30:45 -10:00
unicode unicode: free the map after a grace period 2026-10-14 22:08:03 +02:00
vboxsf fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
verity fsverity: RCU-delay the freeing of struct fsverity_info 2026-10-05 10:50:37 +02:00
xfs vfs-7.4-rc1.iomap 2026-10-19 18:33:02 -10:00
zonefs fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
aio.c fs/aio: fix comment typos 2026-08-31 11:55:48 +02:00
anon_inodes.c fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
attr.c fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
backing-file.c fs: port mnt_idmap() and file_mnt_idmap() to const mnt_idmap 2026-09-23 09:19:51 +02:00
bad_inode.c fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
binfmt_elf_fdpic.c vfs-7.4-rc1.sync_close 2026-10-19 21:03:21 -10:00
binfmt_elf.c vfs-7.4-rc1.sync_close 2026-10-19 21:03:21 -10:00
binfmt_flat.c
binfmt_misc_bpf.c binfmt_misc: fix racy checks in bpf set_interp kfuncs 2026-09-18 11:20:55 +02:00
binfmt_misc.c vfs-7.4-rc1.binfmt 2026-10-19 17:02:56 -10:00
binfmt_script.c
bpf_fs_kfuncs.c vfs-7.4-rc1.misc 2026-10-19 19:30:45 -10:00
buffer.c buffer: Rename label 2026-09-10 09:27:28 +02:00
char_dev.c chardev: check return value of kobject_set_name() in __register_chrdev() 2026-09-04 11:01:47 +02:00
compat_binfmt_elf.c
coredump.c vfs-7.4-rc1.sync_close 2026-10-19 21:03:21 -10:00
d_path.c
dax.c vfs-7.4-rc1.misc 2026-10-19 19:30:45 -10:00
dcache.c vfs-7.4-rc1.misc 2026-10-19 19:30:45 -10:00
direct-io.c
drop_caches.c
eventfd.c file: make struct fd_prepare const and kill its err field 2026-09-23 09:27:44 +02:00
eventpoll.c file: make struct fd_prepare const and kill its err field 2026-09-23 09:27:44 +02:00
exec.c vfs-7.4-rc1.sync_close 2026-10-19 21:03:21 -10:00
failfs.c fs: port ->getattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
fcntl.c fcntl: refuse F_SET_RW_HINT on an immutable inode 2026-10-04 12:31:38 +02:00
fhandle.c vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
file_attr.c fs: port mnt_idmap() and file_mnt_idmap() to const mnt_idmap 2026-09-23 09:19:51 +02:00
file_table.c namespace: drop the file's reference first in dissolve_on_fput() 2026-09-26 15:47:41 +02:00
file.c vfs-7.4-rc1.sync_close 2026-10-19 21:03:21 -10:00
filesystems.c
fs_context.c namespace: don't reconfigure internal superblocks via remount and umount 2026-10-01 14:20:07 +02:00
fs_dirent.c
fs_parser.c
fs_pin.c fs_pin: publish pins with RCU list helpers 2026-09-04 12:56:04 +02:00
fs_struct.c
fs-writeback.c vfs-7.4-rc1.misc 2026-10-19 19:30:45 -10:00
fserror.c
fsopen.c namespace: don't reconfigure internal superblocks via remount and umount 2026-10-01 14:20:07 +02:00
init.c
inode.c vfs-7.4-rc1.misc 2026-10-19 19:30:45 -10:00
internal.h vfs-7.4-rc1.sync_close 2026-10-19 21:03:21 -10:00
ioctl.c
Kconfig vfs-7.4-rc1.file 2026-10-19 17:35:50 -10:00
Kconfig.binfmt
kernel_read_file.c
libfs.c fs: port ->setattr() to pass const mnt_idmap 2026-09-23 09:19:51 +02:00
locks.c
Makefile bfs: remove the filesystem 2026-09-04 12:43:07 +02:00
mbcache.c
mnt_idmapping.c fs: make nop_mnt_idmap and invalid_mnt_idmap const 2026-09-23 09:19:52 +02:00
mount.h namespace: rework connected mounts 2026-10-07 00:45:49 +02:00
mpage.c
namei.c vfs-7.4-rc1.lookup 2026-10-19 18:59:41 -10:00
namespace.c vfs-7.4-rc1.mount 2026-10-19 20:06:27 -10:00
nsfs.c file: make struct fd_prepare const and kill its err field 2026-09-23 09:27:44 +02:00
nullfs.c vfs-7.4-rc1.idmap 2026-10-19 17:57:49 -10:00
open.c vfs-7.4-rc1.sync_close 2026-10-19 21:03:21 -10:00
pidfs.c vfs-7.4-rc1.shared.net-next.pidfd 2026-10-19 20:32:52 -10:00
pipe.c vfs-7.4-rc1.misc 2026-10-19 19:30:45 -10:00
pnode.c namespace: rework connected mounts 2026-10-07 00:45:49 +02:00
pnode.h
posix_acl.c fs: port ->get_acl() to pass const mnt_idmap 2026-09-23 09:19:50 +02:00
proc_namespace.c
read_write.c fs: fix misleading comments in read_write.c 2026-09-23 09:27:08 +02:00
readdir.c readdir: take no inode lock on an immutable directory 2026-10-04 12:36:13 +02:00
remap_range.c fs: port mnt_idmap() and file_mnt_idmap() to const mnt_idmap 2026-09-23 09:19:51 +02:00
select.c
seq_file.c
signalfd.c
splice.c splice: pass a poll key when waking pipe readers and writers 2026-09-25 16:45:34 +02:00
stack.c
stat.c fs: port mnt_idmap() and file_mnt_idmap() to const mnt_idmap 2026-09-23 09:19:51 +02:00
statfs.c
super.c vfs-7.4-rc1.shared.super 2026-10-19 20:55:04 -10:00
sync.c
sysctls.c
timerfd.c
utimes.c
xattr.c fs: port ->get_acl() to pass const mnt_idmap 2026-09-23 09:19:50 +02:00