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authorRalph Campbell <rcampbell@nvidia.com>2020-03-03 16:13:38 -0800
committerBen Skeggs <bskeggs@redhat.com>2020-04-07 14:37:49 +1000
commitbc7b188023e77d69d8dd584c51e62f0e99d9e2a2 (patch)
tree6d1123dbe8b11fc75fcb2d618e4b6328655485c7 /drivers/gpu/drm
parent822cab6150d3002952407a8297ff5a0d32bb7b54 (diff)
drm/nouveau/svm: remove useless SVM range check
When nouveau processes GPU faults, it checks to see if the fault address falls within the "unmanaged" range which is reserved for fixed allocations instead of addresses chosen by the core mm code. If start is greater than or equal to svmm->unmanaged.limit, then limit will also be greater than svmm->unmanaged.limit which is greater than svmm->unmanaged.start and the start = max_t(u64, start, svmm->unmanaged.limit) will change nothing. Just remove the useless lines of code. Signed-off-by: Ralph Campbell <rcampbell@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_svm.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index c567526b75b8..8dfa5cb74826 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -663,9 +663,6 @@ nouveau_svm_fault(struct nvif_notify *notify)
limit = start + (ARRAY_SIZE(args.phys) << PAGE_SHIFT);
if (start < svmm->unmanaged.limit)
limit = min_t(u64, limit, svmm->unmanaged.start);
- else
- if (limit > svmm->unmanaged.start)
- start = max_t(u64, start, svmm->unmanaged.limit);
SVMM_DBG(svmm, "wndw %016llx-%016llx", start, limit);
mm = svmm->notifier.mm;