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| author |   Marc Zyngier <marc.zyngier@arm.com> | 2017-10-23 17:11:20 +0100 |
|---|---|---|
| committer |   Christoffer Dall <christoffer.dall@linaro.org> | 2018-01-08 15:20:45 +0100 |
| commit | a9c0e12ebee56ef06b7eccdbc73bab71d0018df8 (patch) | |
| tree | 2bfc38bb928ea06772b9fde4933a4e1a47a9a189 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | KVM: arm/arm64: Limit icache invalidation to prefetch aborts (diff) | |
| download | linux-dev-a9c0e12ebee56ef06b7eccdbc73bab71d0018df8.tar.xz linux-dev-a9c0e12ebee56ef06b7eccdbc73bab71d0018df8.zip | |
KVM: arm/arm64: Only clean the dcache on translation fault
The only case where we actually need to perform a dcache maintenance
is when we map the page for the first time, and subsequent permission
faults do not require cache maintenance. Let's make it conditional
on not being a permission fault (and thus a translation fault).
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions