Am 2021-05-05 um 1:55 p.m. schrieb Philip Yang:
> If migration copy failed because process is killed, or out of VRAM or
> system memory, pass error code back to caller to handle error
> gracefully.
>
> Signed-off-by: Philip Yang <philip.y...@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehl...@amd.com>
> ---
> drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
> b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
> index bc2fc528ad58..fd8f544f0de2 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
> @@ -460,8 +460,8 @@ svm_migrate_vma_to_vram(struct amdgpu_device *adev,
> struct svm_range *prange,
> }
>
> if (migrate.cpages) {
> - svm_migrate_copy_to_vram(adev, prange, &migrate, &mfence,
> - scratch);
> + r = svm_migrate_copy_to_vram(adev, prange, &migrate, &mfence,
> + scratch);
> migrate_vma_pages(&migrate);
> svm_migrate_copy_done(adev, mfence);
> migrate_vma_finalize(&migrate);
> @@ -663,8 +663,8 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct
> svm_range *prange,
> pr_debug("cpages %ld\n", migrate.cpages);
>
> if (migrate.cpages) {
> - svm_migrate_copy_to_ram(adev, prange, &migrate, &mfence,
> - scratch);
> + r = svm_migrate_copy_to_ram(adev, prange, &migrate, &mfence,
> + scratch);
> migrate_vma_pages(&migrate);
> svm_migrate_copy_done(adev, mfence);
> migrate_vma_finalize(&migrate);
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