Give the list a mutex, for we try to iterate over it from many a random context. Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> --- lib/igt_dummyload.c | 7 +++++++ 1 file changed, 7 insertions(+) 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); } -- 2.13.3 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx