diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_svm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 7e92dcea4ce8..aa5ee91cd595 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -332,6 +332,8 @@ static void svm_range_bo_release(struct kref *kref) struct svm_range_bo *svm_bo; svm_bo = container_of(kref, struct svm_range_bo, kref); + pr_debug("svm_bo 0x%p\n", svm_bo); + spin_lock(&svm_bo->list_lock); while (!list_empty(&svm_bo->range_list)) { struct svm_range *prange = @@ -365,12 +367,33 @@ static void svm_range_bo_release(struct kref *kref) kfree(svm_bo); } -void svm_range_bo_unref(struct svm_range_bo *svm_bo) +static void svm_range_bo_wq_release(struct work_struct *work) { - if (!svm_bo) - return; + struct svm_range_bo *svm_bo; + + svm_bo = container_of(work, struct svm_range_bo, release_work); + svm_range_bo_release(&svm_bo->kref); +} + +static void svm_range_bo_release_async(struct kref *kref) +{ + struct svm_range_bo *svm_bo; + + svm_bo = container_of(kref, struct svm_range_bo, kref); + pr_debug("svm_bo 0x%p\n", svm_bo); + INIT_WORK(&svm_bo->release_work, svm_range_bo_wq_release); + schedule_work(&svm_bo->release_work); +} - kref_put(&svm_bo->kref, svm_range_bo_release); +void svm_range_bo_unref_async(struct svm_range_bo *svm_bo) +{ + kref_put(&svm_bo->kref, svm_range_bo_release_async); +} + +static void svm_range_bo_unref(struct svm_range_bo *svm_bo) +{ + if (svm_bo) + kref_put(&svm_bo->kref, svm_range_bo_release); } static bool @@ -2254,8 +2277,8 @@ svm_range_cpu_invalidate_pagetables(struct mmu_interval_notifier *mni, start = mni->interval_tree.start; last = mni->interval_tree.last; - start = (start > range->start ? start : range->start) >> PAGE_SHIFT; - last = (last < (range->end - 1) ? last : range->end - 1) >> PAGE_SHIFT; + start = max(start, range->start) >> PAGE_SHIFT; + last = min(last, range->end - 1) >> PAGE_SHIFT; pr_debug("[0x%lx 0x%lx] range[0x%lx 0x%lx] notifier[0x%lx 0x%lx] %d\n", start, last, range->start >> PAGE_SHIFT, (range->end - 1) >> PAGE_SHIFT, |