diff options
| author | Yu Zhe <yuzhe@nfschina.com> | 2022-07-28 06:30:26 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-07-29 22:17:31 +0300 |
| commit | dcfe584b00f1d6dcbeeb769b939f53a3c4f04143 (patch) | |
| tree | 84ff164cfe5374a7fe5667b098cba441027034c5 /drivers/gpu | |
| parent | 1ff186ff32997049a6d263031819517eab4e93aa (diff) | |
| download | linux-dcfe584b00f1d6dcbeeb769b939f53a3c4f04143.tar.xz | |
drm/amdkfd: use time_is_before_jiffies(a + b) to replace "jiffies - a > b"
time_is_before_jiffies deals with timer wrapping correctly.
Signed-off-by: Yu Zhe <yuzhe@nfschina.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c index a9466d154395..34772fe74296 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c @@ -146,7 +146,7 @@ static void interrupt_wq(struct work_struct *work) struct kfd_dev *dev = container_of(work, struct kfd_dev, interrupt_work); uint32_t ih_ring_entry[KFD_MAX_RING_ENTRY_SIZE]; - long start_jiffies = jiffies; + unsigned long start_jiffies = jiffies; if (dev->device_info.ih_ring_entry_size > sizeof(ih_ring_entry)) { dev_err_once(dev->adev->dev, "Ring entry too small\n"); @@ -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 */ |