Commit c99b1612 authored by Philip Yang's avatar Philip Yang Committed by Alex Deucher
Browse files

drm/amdkfd: Remove svm range validated_once flag 



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: default avatarPhilip Yang <Philip.Yang@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ff96ddc3

drivers/gpu/drm/amd/amdkfd/kfd_svm.c

+1 −3
Original line number Diff line number Diff line
@@ -1737,10 +1737,8 @@ static int svm_range_validate_and_map(struct mm_struct *mm, 
		addr = next;

	}



	if (addr == end) {

		prange->validated_once = true;

	if (addr == end)

		prange->mapped_to_gpu = true;

	}



unreserve_out:

	svm_range_unreserve_bos(ctx);

drivers/gpu/drm/amd/amdkfd/kfd_svm.h

+0 −1
Original line number Diff line number Diff line
@@ -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;

};