diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_svm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 509d915cbe69..3b8856b4cece 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -3155,6 +3155,7 @@ static void svm_range_evict_svm_bo_worker(struct work_struct *work) struct svm_range_bo *svm_bo; struct kfd_process *p; struct mm_struct *mm; + int r = 0; svm_bo = container_of(work, struct svm_range_bo, eviction_work); if (!svm_bo_ref_unless_zero(svm_bo)) @@ -3170,7 +3171,7 @@ static void svm_range_evict_svm_bo_worker(struct work_struct *work) mmap_read_lock(mm); spin_lock(&svm_bo->list_lock); - while (!list_empty(&svm_bo->range_list)) { + while (!list_empty(&svm_bo->range_list) && !r) { struct svm_range *prange = list_first_entry(&svm_bo->range_list, struct svm_range, svm_bo_list); @@ -3184,15 +3185,18 @@ static void svm_range_evict_svm_bo_worker(struct work_struct *work) mutex_lock(&prange->migrate_mutex); do { - svm_migrate_vram_to_ram(prange, + r = svm_migrate_vram_to_ram(prange, svm_bo->eviction_fence->mm); - } while (prange->actual_loc && --retries); - WARN(prange->actual_loc, "Migration failed during eviction"); + } while (!r && prange->actual_loc && --retries); - mutex_lock(&prange->lock); - prange->svm_bo = NULL; - mutex_unlock(&prange->lock); + if (!r && prange->actual_loc) + pr_info_once("Migration failed during eviction"); + if (!prange->actual_loc) { + mutex_lock(&prange->lock); + prange->svm_bo = NULL; + mutex_unlock(&prange->lock); + } mutex_unlock(&prange->migrate_mutex); spin_lock(&svm_bo->list_lock); @@ -3201,10 +3205,11 @@ static void svm_range_evict_svm_bo_worker(struct work_struct *work) mmap_read_unlock(mm); dma_fence_signal(&svm_bo->eviction_fence->base); + /* This is the last reference to svm_bo, after svm_range_vram_node_free * has been called in svm_migrate_vram_to_ram */ - WARN_ONCE(kref_read(&svm_bo->kref) != 1, "This was not the last reference\n"); + WARN_ONCE(!r && kref_read(&svm_bo->kref) != 1, "This was not the last reference\n"); svm_range_bo_unref(svm_bo); } |