From 7d261c50d9c1adb70f6ac2e26edbc64c774c21ca Mon Sep 17 00:00:00 2001 From: Eric Huang Date: Fri, 24 Jun 2022 11:15:28 -0400 Subject: [PATCH] drm/amdkfd: change svm range evict Adding always evict queues when flag is set to KFD_IOCTL_SVM_FLAG_GPU_ALWAYS_MAPPED as if XNACK off. Signed-off-by: Eric Huang Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index fd89951..a2d103c 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1775,7 +1775,8 @@ 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; list_for_each_entry(pchild, &prange->child_list, child_list) { @@ -3343,7 +3344,8 @@ 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))) { pr_debug("restore_work will update mappings of GPUs\n"); mutex_unlock(&prange->migrate_mutex); continue; -- 2.7.4