Messages in this thread Patch in this message | | | From | Yu Zhe <> | Subject | [PATCH] drm/amdkfd: use time_is_before_jiffies(a + b) to replace "jiffies - a > b" | Date | Wed, 27 Jul 2022 10:59:17 +0800 |
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time_is_before_jiffies deals with timer wrapping correctly.
Signed-off-by: Yu Zhe <yuzhe@nfschina.com> --- 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
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