This patch is:
Reviewed-by Xiaogang Chen <Xiaogang.Chen@xxxxxxx>
On 1/15/2024 4:00 PM, Philip Yang wrote:
Partial migration to system memory should use migrate.addr, not
prange->start as virtual address to allocate system memory page.
Fixes: 18eb61bd5a6a ("drm/amdkfd: Use partial migrations/mapping for GPU/CPU page faults in SVM"
Signed-off-by: Philip Yang <Philip.Yang@xxxxxxx>
---
drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
index f856901055d3..bdc01ca9609a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
@@ -574,7 +574,7 @@ svm_migrate_copy_to_ram(struct amdgpu_device *adev, struct svm_range *prange,
pr_debug("svms 0x%p [0x%lx 0x%lx]\n", prange->svms, prange->start,
prange->last);
- addr = prange->start << PAGE_SHIFT;
+ addr = migrate->start;
src = (uint64_t *)(scratch + npages);
dst = scratch;
