diff options
| author |   Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> | 2017-02-27 14:30:26 +0200 |
|---|---|---|
| committer |   Will Deacon <will.deacon@arm.com> | 2017-03-10 18:23:34 +0000 |
| commit | a03849e7210277fa212779b7cd9c30e1ab6194b2 (patch) | |
| tree | c4cbc53783a84410cd143a758202240bebed845c /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | iommu/io-pgtable-arm: Check for leaf entry before dereferencing it (diff) | |
| download | linux-dev-a03849e7210277fa212779b7cd9c30e1ab6194b2.tar.xz linux-dev-a03849e7210277fa212779b7cd9c30e1ab6194b2.zip | |
iommu/io-pgtable-arm-v7s: Check for leaf entry before dereferencing it
Do a check for already installed leaf entry at the current level before
dereferencing it in order to avoid walking the page table down with
wrong pointer to the next level.
Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
CC: Will Deacon <will.deacon@arm.com>
CC: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions