Files
linux/kernel
Imran Khan 5bd00f6db0 smp: Reduce logging due to dump_stack of CSD waiters
If a waiter is waiting for CSD lock, its call stack will not change
between first and subsequent hang detection for the same CSD lock.
Therefore, do dump_stack only for first-time detection for a given waiter.

This avoids excessive logging on systems with hundreds of CPUs where
repetitive dump_stack from hundreds of CPUs would otherwise flood the
console.

Signed-off-by: Imran Khan <imran.f.khan@oracle.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Juergen Gross <jgross@suse.com>
Cc: Valentin Schneider <vschneid@redhat.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2023-07-10 14:19:04 -07:00
..
2022-12-21 14:31:52 -08:00
2022-08-29 19:47:03 -04:00
2022-09-26 10:13:13 -07:00
2023-03-24 11:01:29 +01:00
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