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arm64: don't flag non-aliasing VIPT I-caches as aliasing
authorArd Biesheuvel <ard.biesheuvel@linaro.org>
Fri, 8 Aug 2014 11:51:40 +0000 (12:51 +0100)
committerWill Deacon <will.deacon@arm.com>
Mon, 8 Sep 2014 13:39:18 +0000 (14:39 +0100)
VIPT caches are non-aliasing if the index is derived from address bits that
are always equal between VA and PA. Classifying these as aliasing results in
unnecessary flushing which may hurt performance.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm64/kernel/cpuinfo.c patch | blob | history

diff --cc arch/arm64/kernel/cpuinfo.c
Simple merge
Pandora Kernel Repository