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| author |   Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> | 2017-02-27 14:30:25 +0200 |
|---|---|---|
| committer |   Will Deacon <will.deacon@arm.com> | 2017-03-10 18:23:34 +0000 |
| commit | ed46e66cc1b3d684042f92dfa2ab15ee917b4cac (patch) | |
| tree | a0307607cdfb450cabc1494fd2bc9945d967bdb3 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | Linux 4.11-rc1 (diff) | |
| download | linux-dev-ed46e66cc1b3d684042f92dfa2ab15ee917b4cac.tar.xz linux-dev-ed46e66cc1b3d684042f92dfa2ab15ee917b4cac.zip | |
iommu/io-pgtable-arm: 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