diff options
| author | James Zhu <James.Zhu@amd.com> | 2023-06-08 18:22:03 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-15 18:37:55 +0300 |
| commit | 973fddea6f3e0d2f623f13fbd5d4d2b775e157f0 (patch) | |
| tree | 8f30655244701b5f17b880d25f03d122de89391e /drivers/gpu/drm/amd/amdkfd/kfd_events.c | |
| parent | 96cdb5384d962a7d3be598f0bc9e2be73796e80c (diff) | |
| download | linux-973fddea6f3e0d2f623f13fbd5d4d2b775e157f0.tar.xz | |
drm/amdkfd: update user space last_event_age
Update user space last_event_age when event age is enabled.
It is only for KFD_EVENT_TYPE_SIGNAL which is checked by user space.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_events.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_events.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c index 545179535d21..8081a9408006 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c @@ -865,22 +865,29 @@ static int copy_signaled_event_data(uint32_t num_events, struct kfd_event_waiter *event_waiters, struct kfd_event_data __user *data) { - struct kfd_hsa_memory_exception_data *src; - struct kfd_hsa_memory_exception_data __user *dst; + void *src; + void __user *dst; struct kfd_event_waiter *waiter; struct kfd_event *event; - uint32_t i; + uint32_t i, size = 0; for (i = 0; i < num_events; i++) { waiter = &event_waiters[i]; event = waiter->event; if (!event) return -EINVAL; /* event was destroyed */ - if (waiter->activated && event->type == KFD_EVENT_TYPE_MEMORY) { - dst = &data[i].memory_exception_data; - src = &event->memory_exception_data; - if (copy_to_user(dst, src, - sizeof(struct kfd_hsa_memory_exception_data))) + if (waiter->activated) { + if (event->type == KFD_EVENT_TYPE_MEMORY) { + dst = &data[i].memory_exception_data; + src = &event->memory_exception_data; + size = sizeof(struct kfd_hsa_memory_exception_data); + } else if (event->type == KFD_EVENT_TYPE_SIGNAL && + waiter->event_age_enabled) { + dst = &data[i].signal_event_data.last_event_age; + src = &event->event_age; + size = sizeof(u64); + } + if (size && copy_to_user(dst, src, size)) return -EFAULT; } } |