From 33b9170fef2b0fa31fb2a5dba922f95d512b4522 Mon Sep 17 00:00:00 2001 From: Philip Yang Date: Tue, 1 Aug 2023 11:38:32 -0400 Subject: [PATCH] drm/amdkfd: Remove svm range validated_once flag [ Upstream commit c99b16128082de519975aa147d9da3e40380de67 ] The validated_once flag is not used after the prefault was removed, The prefault was needed to ensure validate all system memory pages at least once before mapping or migrating the range to GPU. Signed-off-by: Philip Yang Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher Stable-dep-of: eb3c357bcb28 ("drm/amdkfd: Handle errors from svm validate and map") Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 4 +--- drivers/gpu/drm/amd/amdkfd/kfd_svm.h | 1 - 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index bb65a994..dfc1169 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1720,10 +1720,8 @@ unlock_out: addr = next; } - if (addr == end) { - prange->validated_once = true; + if (addr == end) prange->mapped_to_gpu = true; - } unreserve_out: svm_range_unreserve_bos(ctx); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h index 9e668ee..c216c8d 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h @@ -132,7 +132,6 @@ struct svm_range { struct list_head child_list; DECLARE_BITMAP(bitmap_access, MAX_GPU_INSTANCE); DECLARE_BITMAP(bitmap_aip, MAX_GPU_INSTANCE); - bool validated_once; bool mapped_to_gpu; bool is_error_flag; }; -- 2.7.4