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| author | Thomas Gleixner <tglx@linutronix.de> | 2021-08-15 23:29:22 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-08-17 19:06:04 +0200 |
| commit | 015680aa4c5d784513d0a9728bc52ec7c4a64227 (patch) | |
| tree | 6f5b9ad1845d01293a6780e7fcfef57487a7d3ab /tools/perf/scripts/python/syscall-counts.py | |
| parent | 51711e825a6d1b2fe7ca46bb06d08c25d97656ee (diff) | |
preempt: Adjust PREEMPT_LOCK_OFFSET for RT
On PREEMPT_RT regular spinlocks and rwlocks are substituted with rtmutex
based constructs. spin/rwlock held regions are preemptible on PREEMPT_RT,
so PREEMPT_LOCK_OFFSET has to be 0 to make the various cond_resched_*lock()
functions work correctly.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210815211305.804246275@linutronix.de
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions