[PATCH 2/2] drm/amdkfd: unregistered range accessible by all GPUs

Philip Yang Philip.Yang at amd.com
Fri May 7 19:07:04 UTC 2021


New range is created to recover retry vm fault, set all GPUs have access
to the range. The new range preferred_loc is default value
KFD_IOCTL_SVM_LOCATION_UNDEFINED.

Correct one typo.

Signed-off-by: Philip Yang <Philip.Yang at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index d9111fea724b..537b12e75f54 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -2243,7 +2243,7 @@ svm_range *svm_range_create_unregistered_range(struct amdgpu_device *adev,
 
 	prange = svm_range_new(&p->svms, start, last);
 	if (!prange) {
-		pr_debug("Failed to create prange in address [0x%llx]\\n", addr);
+		pr_debug("Failed to create prange in address [0x%llx]\n", addr);
 		return NULL;
 	}
 	if (kfd_process_gpuid_from_kgd(p, adev, &gpuid, &gpuidx)) {
@@ -2251,9 +2251,8 @@ svm_range *svm_range_create_unregistered_range(struct amdgpu_device *adev,
 		svm_range_free(prange);
 		return NULL;
 	}
-	prange->preferred_loc = gpuid;
-	prange->actual_loc = 0;
-	/* Gurantee prange is migrate it */
+
+	bitmap_fill(prange->bitmap_access, MAX_GPU_INSTANCE);
 	svm_range_add_to_svms(prange);
 	svm_range_add_notifier_locked(mm, prange);
 
-- 
2.17.1



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