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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)
commitc64652d71486d66ddd851eee9a16c99648def593
treeb083d6e8636d919c268a8b6fef9d0311e77f50ddtree | snapshot
parentadfbc1f3f7747a522bcfb250f7fb536b4d96f165commit | 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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