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| author | Ralph Campbell <[email protected]> | 2020-03-04 00:13:36 +0000 |
|---|---|---|
| committer | Ben Skeggs <[email protected]> | 2020-04-07 04:37:49 +0000 |
| commit | b92103b559c77abc5f8b7bec269230a219c880b7 (patch) | |
| tree | 935bccb7996c625caf18b8dc572d8f6be0b038b9 /tools/perf/scripts/python/sctop.py | |
| parent | drm/nouveau: remove checks for return value of debugfs functions (diff) | |
| download | kernel-b92103b559c77abc5f8b7bec269230a219c880b7.tar.gz kernel-b92103b559c77abc5f8b7bec269230a219c880b7.zip | |
drm/nouveau/svm: fix vma range check for migration
find_vma_intersection(mm, start, end) only guarantees that end is greater
than or equal to vma->vm_start but doesn't guarantee that start is
greater than or equal to vma->vm_start. The calculation for the
intersecting range in nouveau_svmm_bind() isn't accounting for this and
can call migrate_vma_setup() with a starting address less than
vma->vm_start. This results in migrate_vma_setup() returning -EINVAL for
the range instead of nouveau skipping that part of the range and migrating
the rest.
Signed-off-by: Ralph Campbell <[email protected]>
Signed-off-by: Ben Skeggs <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/sctop.py')
0 files changed, 0 insertions, 0 deletions