arm64: Kconfig: Enable LSE atomics by default

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Now that we're seeing CPUs shipping with LSE atomics, default them to
'on' in Kconfig. CPUs without the instructions will continue to use
LDXR/STXR-based sequences, but they will be placed out-of-line by the
compiler.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Will Deacon 2018-05-21 19:14:22 +01:00 • committed by Catalin Marinas

parent 159fd7b8d3

commit 7bd99b4034

1 changed files with 3 additions and 1 deletions

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