VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

More than 9999 Commits   33 Branches   55 Tags
author: Christian König <christian.koenig@amd.com> 2019-08-05 11:16:12 +0200 committer: Christian König <christian.koenig@amd.com> 2019-08-10 12:49:28 +0200 commit: 0e1d8083bddb38b7169f6240905422f95d3c31b9 parent: dd7a7d1ff2f199a8a80ee233480922d4f17adc6d
Commit Summary:
dma-buf: further relax reservation_object_add_shared_fence
Diffstat:
1 file changed, 0 insertions, 5 deletions
diff --git a/drivers/dma-buf/reservation.c b/drivers/dma-buf/reservation.c
index 8fcaddffd5d4..90bc6ef03598 100644
--- a/drivers/dma-buf/reservation.c
+++ b/drivers/dma-buf/reservation.c
@@ -237,9 +237,6 @@ void reservation_object_add_shared_fence(struct reservation_object *obj,
 	fobj = reservation_object_get_list(obj);
 	count = fobj->shared_count;
 
-	preempt_disable();
-	write_seqcount_begin(&obj->seq);
-
 	for (i = 0; i < count; ++i) {
 
 		old = rcu_dereference_protected(fobj->shared[i],
@@ -257,9 +254,6 @@ replace:
 	RCU_INIT_POINTER(fobj->shared[i], fence);
 	/* pointer update must be visible before we extend the shared_count */
 	smp_store_mb(fobj->shared_count, count);
-
-	write_seqcount_end(&obj->seq);
-	preempt_enable();
 	dma_fence_put(old);
 }
 EXPORT_SYMBOL(reservation_object_add_shared_fence);