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In cases where the ww_mutex test was occasionally tripping on hard to find issues, leaving qemu in a reboot loop was my best way to reproduce problems. These reboots however wasted time when I just wanted to run the test-ww_mutex logic. So tweak the test-ww_mutex test so that it can be re-triggered via a sysfs file, so the test can be run repeatedly without doing module loads or restarting. This has been particularly valuable to stressing and finding issues with the proxy-exec series. To use, run as root: echo 1 > /sys/kernel/test_ww_mutex/run_tests Signed-off-by: John Stultz <jstultz@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://patch.msgid.link/20251205013515.759030-4-jstultz@google.com |
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| .. | ||
| irqflag-debug.c | ||
| lock_events.c | ||
| lock_events.h | ||
| lock_events_list.h | ||
| lockdep.c | ||
| lockdep_internals.h | ||
| lockdep_proc.c | ||
| lockdep_states.h | ||
| locktorture.c | ||
| Makefile | ||
| mcs_spinlock.h | ||
| mutex-debug.c | ||
| mutex.c | ||
| mutex.h | ||
| osq_lock.c | ||
| percpu-rwsem.c | ||
| qrwlock.c | ||
| qspinlock.c | ||
| qspinlock.h | ||
| qspinlock_paravirt.h | ||
| qspinlock_stat.h | ||
| rtmutex.c | ||
| rtmutex_api.c | ||
| rtmutex_common.h | ||
| rwbase_rt.c | ||
| rwsem.c | ||
| semaphore.c | ||
| spinlock.c | ||
| spinlock_debug.c | ||
| spinlock_rt.c | ||
| test-ww_mutex.c | ||
| ww_mutex.h | ||
| ww_rt_mutex.c | ||