arm64: alternatives: add cpu feature for lse atomics

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Add a CPU feature for the LSE atomic instructions, so that they can be
patched in at runtime when we detect that they are supported.

Reviewed-by: Steve Capper <steve.capper@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Will Deacon 2015-02-04 12:17:55 +00:00

parent 40a1db2434

commit d964b7229e

2 changed files with 3 additions and 1 deletions

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3

arch/arm64/include/asm/cpufeature.h

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1

arch/arm64/kernel/setup.c

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