tree 2bfc38bb928ea06772b9fde4933a4e1a47a9a189
parent d0e22b4ac3ba23c611739f554392bf5e217df49f
author Marc Zyngier <marc.zyngier@arm.com> 1508775080 +0100
committer Christoffer Dall <christoffer.dall@linaro.org> 1515421245 +0100

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>