diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_svm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index fd89951c29fe..b0c1c7172a45 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1775,10 +1775,15 @@ svm_range_evict(struct svm_range *prange, struct mm_struct *mm, pr_debug("invalidate svms 0x%p prange [0x%lx 0x%lx] [0x%lx 0x%lx]\n", svms, prange->start, prange->last, start, last); - if (!p->xnack_enabled) { + if (!p->xnack_enabled || + (prange->flags & KFD_IOCTL_SVM_FLAG_GPU_ALWAYS_MAPPED)) { int evicted_ranges; + bool mapped = prange->mapped_to_gpu; list_for_each_entry(pchild, &prange->child_list, child_list) { + if (!pchild->mapped_to_gpu) + continue; + mapped = true; mutex_lock_nested(&pchild->lock, 1); if (pchild->start <= last && pchild->last >= start) { pr_debug("increment pchild invalid [0x%lx 0x%lx]\n", @@ -1788,6 +1793,9 @@ svm_range_evict(struct svm_range *prange, struct mm_struct *mm, mutex_unlock(&pchild->lock); } + if (!mapped) + return r; + if (prange->start <= last && prange->last >= start) atomic_inc(&prange->invalid); @@ -3343,7 +3351,9 @@ svm_range_set_attr(struct kfd_process *p, struct mm_struct *mm, if (r) goto out_unlock_range; - if (migrated && !p->xnack_enabled) { + if (migrated && (!p->xnack_enabled || + (prange->flags & KFD_IOCTL_SVM_FLAG_GPU_ALWAYS_MAPPED)) && + prange->mapped_to_gpu) { pr_debug("restore_work will update mappings of GPUs\n"); mutex_unlock(&prange->migrate_mutex); continue; |