Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
unwind: Add comment to unwind_deferred_task_exit()
Explain why unwind_deferred_task_exit() exist and its constraints.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://patch.msgid.link/20250924080118.893367437@infradead.org
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-1
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-1
kernel/exit.c
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-1
kernel/exit.c
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tsk->exit_code = code;
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taskstats_exit(tsk, group_dead);
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unwind_deferred_task_exit(tsk);
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trace_sched_process_exit(tsk, group_dead);
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/*
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* gets woken up by child-exit notifications.
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*/
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perf_event_exit_task(tsk);
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/*
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* PF_EXITING (above) ensures unwind_deferred_request() will no
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* longer add new unwinds. While exit_mm() (below) will destroy the
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* abaility to do unwinds. So flush any pending unwinds here.
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*/
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unwind_deferred_task_exit(tsk);
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exit_mm();
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