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authorLinus Torvalds <torvalds@linux-foundation.org>2026-04-12 10:01:55 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-04-12 10:01:55 -0700
commitab3dee26406be0ed0a26af70311dcdc760db3996 (patch)
treec2858a4f499072dc4e145bb547b4f63bc0879b30 /tools/perf/scripts/python
parent02640d8886a13a78d20a834d94d3eda9269a0606 (diff)
parentd6e152d905bdb1f32f9d99775e2f453350399a6a (diff)
Merge tag 'timers-urgent-2026-04-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner: "Two fixes for the time/timers subsystem: - Invert the inverted fastpath decision in check_tick_dependency(), which prevents NOHZ full to stop the tick. That's a regression introduced in the 7.0 merge window. - Prevent a unpriviledged DoS in the clockevents code, where user space can starve the timer interrupt by arming a timerfd or posix interval timer in a tight loop with an absolute expiry time in the past. The fix turned out to be incomplete and was was amended yesterday to make it work on some 20 years old AMD machines as well. All issues with it have been confirmed to be resolved by various reporters" * tag 'timers-urgent-2026-04-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clockevents: Prevent timer interrupt starvation tick/nohz: Fix inverted return value in check_tick_dependency() fast path
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