diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-08-09 13:10:52 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-08-11 12:00:15 +0100 |
| commit | bc2f95eca33d0d1c061837b8061a59355a196b3b (patch) | |
| tree | 789a59c3d561c6d27218cc9e2ba96fd006830935 | |
| parent | fb898ab1284e57f5a8e9b18d318cdb1173c689ba (diff) | |
lib/dummyload: Wrap global list inside its own mutex
Give the list a mutex, for we try to iterate over it from many a random
context.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | lib/igt_dummyload.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/igt_dummyload.c b/lib/igt_dummyload.c index 5ad386a5..5d654825 100644 --- a/lib/igt_dummyload.c +++ b/lib/igt_dummyload.c @@ -50,6 +50,7 @@ static const int BATCH_SIZE = 4096; static IGT_LIST(spin_list); +static pthread_mutex_t list_lock = PTHREAD_MUTEX_INITIALIZER; static void fill_reloc(struct drm_i915_gem_relocation_entry *reloc, @@ -162,7 +163,9 @@ __igt_spin_batch_new(int fd, uint32_t ctx, unsigned engine, uint32_t dep) emit_recursive_batch(spin, fd, ctx, engine, dep); igt_assert(gem_bo_busy(fd, spin->handle)); + pthread_mutex_lock(&list_lock); igt_list_add(&spin->link, &spin_list); + pthread_mutex_unlock(&list_lock); return spin; } @@ -261,7 +264,9 @@ void igt_spin_batch_free(int fd, igt_spin_t *spin) if (!spin) return; + pthread_mutex_lock(&list_lock); igt_list_del(&spin->link); + pthread_mutex_unlock(&list_lock); if (spin->timer) timer_delete(spin->timer); @@ -277,6 +282,8 @@ void igt_terminate_spin_batches(void) { struct igt_spin *iter; + pthread_mutex_lock(&list_lock); igt_list_for_each(iter, &spin_list, link) igt_spin_batch_end(iter); + pthread_mutex_unlock(&list_lock); } |