[PATCH] drm/amdkfd: use time_is_before_jiffies(a + b) to replace "jiffies - a > b"

From: Yu Zhe
Date: Tue Jul 26 2022 - 23:00:21 EST


time_is_before_jiffies deals with timer wrapping correctly.

Signed-off-by: Yu Zhe <yuzhe@xxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c
index a9466d154395..6397926e059c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c
@@ -156,7 +156,7 @@ static void interrupt_wq(struct work_struct *work)
while (dequeue_ih_ring_entry(dev, ih_ring_entry)) {
dev->device_info.event_interrupt_class->interrupt_wq(dev,
ih_ring_entry);
- if (jiffies - start_jiffies > HZ) {
+ if (time_is_before_jiffies(start_jiffies + HZ)) {
/* If we spent more than a second processing signals,
* reschedule the worker to avoid soft-lockup warnings
*/
--
2.11.0