diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index e4ce97ab6e26..30d142f6272f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1402,11 +1402,13 @@ static int svm_range_validate_and_map(struct mm_struct *mm, svm_range_lock(prange); if (!prange->actual_loc) { if (amdgpu_hmm_range_get_pages_done(hmm_range)) { + pr_debug("hmm update the range, need validate again\n"); r = -EAGAIN; goto unlock_out; } } if (!list_empty(&prange->child_list)) { + pr_debug("range split by unmap in parallel, validate again\n"); r = -EAGAIN; goto unlock_out; } @@ -2355,6 +2357,10 @@ out_unlock_svms: out: kfd_unref_process(p); + if (r == -EAGAIN) { + pr_debug("recover vm fault later\n"); + r = 0; + } return r; } |