linux/kernel
Linus Torvalds 9147566d80 sched_ext: Fixes for v7.0-rc6
- Fix SCX_KICK_WAIT deadlock where multiple CPUs waiting for each other in
   hardirq context form a cycle. Move the wait to a balance callback which
   can drop the rq lock and process IPIs.
 
 - Fix inconsistent NUMA node lookup in scx_select_cpu_dfl() where the
   waker_node used cpu_to_node() while prev_cpu used
   scx_cpu_node_if_enabled(), leading to undefined behavior when per-node
   idle tracking is disabled.
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Merge tag 'sched_ext-for-7.0-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext

Pull sched_ext fixes from Tejun Heo:

 - Fix SCX_KICK_WAIT deadlock where multiple CPUs waiting for each other
   in hardirq context form a cycle. Move the wait to a balance callback
   which can drop the rq lock and process IPIs.

 - Fix inconsistent NUMA node lookup in scx_select_cpu_dfl() where
   the waker_node used cpu_to_node() while prev_cpu used
   scx_cpu_node_if_enabled(), leading to undefined behavior when
   per-node idle tracking is disabled.

* tag 'sched_ext-for-7.0-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
  selftests/sched_ext: Add cyclic SCX_KICK_WAIT stress test
  sched_ext: Fix SCX_KICK_WAIT deadlock by deferring wait to balance callback
  sched_ext: Fix inconsistent NUMA node lookup in scx_select_cpu_dfl()
2026-03-31 14:23:12 -07:00
..
bpf bpf: Fix sync_linked_regs regarding BPF_ADD_CONST32 zext propagation 2026-03-21 13:19:40 -07:00
cgroup cgroup/cpuset: Skip security check for hotplug induced v1 task migration 2026-03-31 09:14:13 -10:00
configs
debug
dma dma-direct: prevent SWIOTLB path when DMA_ATTR_REQUIRE_COHERENT is set 2026-03-20 12:05:56 +01:00
entry
events
futex futex: Clear stale exiting pointer in futex_lock_pi() retry path 2026-03-28 13:54:02 +01:00
gcov
irq
kcsan
livepatch
liveupdate
locking
module
power PM: sleep: Drop spurious WARN_ON() from pm_restore_gfp_mask() 2026-03-23 13:54:53 +01:00
printk
rcu srcu: Use irq_work to start GP in tiny SRCU 2026-03-25 09:00:05 -07:00
sched sched_ext: Fixes for v7.0-rc6 2026-03-31 14:23:12 -07:00
time alarmtimer: Fix argument order in alarm_timer_forward() 2026-03-24 23:17:14 +01:00
trace tracing: Drain deferred trigger frees if kthread creation fails 2026-03-28 08:32:44 -04:00
unwind
.gitignore
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Kconfig.kexec
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audit.c
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cpu.c
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kthread.c
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nscommon.c
nsproxy.c
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profile.c
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stop_machine.c
sys.c
sys_ni.c
sysctl-test.c
sysctl.c sysctl: fix uninitialized variable in proc_do_large_bitmap 2026-03-26 09:32:19 +01:00
task_work.c
taskstats.c
torture.c
tracepoint.c
tsacct.c
ucount.c
uid16.c
uid16.h
umh.c
up.c
user-return-notifier.c
user.c
user_namespace.c
utsname.c
utsname_sysctl.c
vhost_task.c
vmcore_info.c
watch_queue.c
watchdog.c
watchdog_buddy.c
watchdog_perf.c
workqueue.c workqueue: Better describe stall check 2026-03-25 05:51:02 -10:00
workqueue_internal.h