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(parent: 9701537) | patch
sched/fair: Make hrtick resched hard
authorPeter Zijlstra (Intel) <peterz@infradead.org>
Tue, 24 Feb 2026 16:35:27 +0000 (17:35 +0100)
committerPeter Zijlstra <peterz@infradead.org>
Fri, 27 Feb 2026 15:40:04 +0000 (16:40 +0100)
commit5d88e424ec1b3ea7f552bd14d932f510146c45c7
treec85fbb09cb85734aafd71b845d750acbf5fed5fatree | snapshot
parent97015376642f3cb7aa5c3cdb13bf094e94fbcd81commit | diff
sched/fair: Make hrtick resched hard

Since the tick causes hard preemption, the hrtick should too.

Letting the hrtick do lazy preemption completely defeats the purpose, since
it will then still be delayed until a old tick and be dependent on
CONFIG_HZ.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260224163428.933894105@kernel.org
kernel/sched/fair.c diff | blob | history
Linux kernels and configurations used by Zygo.