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arm64: cpufeature: add feature for CRC32 instructions
authorArd Biesheuvel <ard.biesheuvel@linaro.org>
Mon, 27 Aug 2018 11:02:43 +0000 (13:02 +0200)
committerCatalin Marinas <catalin.marinas@arm.com>
Mon, 10 Sep 2018 15:10:09 +0000 (16:10 +0100)
commit86d0dd34eafffbc76a81aba6ae2d71927d3835a8
treeb083d6e8636d919c268a8b6fef9d0311e77f50ddtree
parent9784d82db3eb3de7851e5a3f4a2481607de2452ccommit | diff
arm64: cpufeature: add feature for CRC32 instructions

Add a CRC32 feature bit and wire it up to the CPU id register so we
will be able to use alternatives patching for CRC32 operations.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/include/asm/cpucaps.h diff | blob | history
arch/arm64/kernel/cpufeature.c diff | blob | history
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