tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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Merge tag 'sched-urgent-2025-02-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fix from Ingo Molnar:
"Prevent cond_resched() based preemption when interrupts are disabled,
on PREEMPT_NONE and PREEMPT_VOLUNTARY kernels"

* tag 'sched-urgent-2025-02-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/core: Prevent rescheduling when interrupts are disabled

Linus Torvalds d203484f 766331f2

+1 -1
+1 -1
kernel/sched/core.c
··· 7285 7285 #if !defined(CONFIG_PREEMPTION) || defined(CONFIG_PREEMPT_DYNAMIC) 7286 7286 int __sched __cond_resched(void) 7287 7287 { 7288 - if (should_resched(0)) { 7288 + if (should_resched(0) && !irqs_disabled()) { 7289 7289 preempt_schedule_common(); 7290 7290 return 1; 7291 7291 }