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authorJonathan Kim2023-06-07 03:56:27 -0400
committerAlex Deucher2023-06-09 12:44:44 -0400
commit7386f88ab1732af890a09ab3a7f400bb20adbe5a (patch)
treeaa35a0db043d39563b9b64d02071fdf283b41b9f
parent0bc3137b2157115f328859477b463c912d605c3a (diff)
drm/amdkfd: fix vmfault signalling with additional data.
Exception handling for vmfaults should be raised with additional data. Reported-by: Mukul Joshi <mukul.joshi@amd.com> Signed-off-by: Jonathan Kim <jonathan.kim@amd.com> Reviewed-by: Mukul Joshi <mukul.joshi@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_events.c34
1 files changed, 20 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
index 0a5e7b172a64..ddca23ee4193 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c
@@ -1240,19 +1240,24 @@ void kfd_signal_vm_fault_event(struct kfd_node *dev, u32 pasid,
return;
}
- memset(&memory_exception_data, 0, sizeof(memory_exception_data));
- memory_exception_data.gpu_id = user_gpu_id;
- memory_exception_data.failure.imprecise = true;
- /* Set failure reason */
- if (info) {
- memory_exception_data.va = (info->page_addr) << PAGE_SHIFT;
- memory_exception_data.failure.NotPresent =
- info->prot_valid ? 1 : 0;
- memory_exception_data.failure.NoExecute =
- info->prot_exec ? 1 : 0;
- memory_exception_data.failure.ReadOnly =
- info->prot_write ? 1 : 0;
- memory_exception_data.failure.imprecise = 0;
+ /* SoC15 chips and onwards will pass in data from now on. */
+ if (!data) {
+ memset(&memory_exception_data, 0, sizeof(memory_exception_data));
+ memory_exception_data.gpu_id = user_gpu_id;
+ memory_exception_data.failure.imprecise = true;
+
+ /* Set failure reason */
+ if (info) {
+ memory_exception_data.va = (info->page_addr) <<
+ PAGE_SHIFT;
+ memory_exception_data.failure.NotPresent =
+ info->prot_valid ? 1 : 0;
+ memory_exception_data.failure.NoExecute =
+ info->prot_exec ? 1 : 0;
+ memory_exception_data.failure.ReadOnly =
+ info->prot_write ? 1 : 0;
+ memory_exception_data.failure.imprecise = 0;
+ }
}
rcu_read_lock();
@@ -1261,7 +1266,8 @@ void kfd_signal_vm_fault_event(struct kfd_node *dev, u32 pasid,
idr_for_each_entry_continue(&p->event_idr, ev, id)
if (ev->type == KFD_EVENT_TYPE_MEMORY) {
spin_lock(&ev->lock);
- ev->memory_exception_data = memory_exception_data;
+ ev->memory_exception_data = data ? *data :
+ memory_exception_data;
set_event(ev);
spin_unlock(&ev->lock);
}