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(parent: 159fd7b) | patch
arm64: Kconfig: Enable LSE atomics by default
authorWill Deacon <will.deacon@arm.com>
Mon, 21 May 2018 18:14:22 +0000 (19:14 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Wed, 23 May 2018 10:33:45 +0000 (11:33 +0100)
commit7bd99b403405d329b9b72f6bae6a07c10bfa1b95
treeee1195ab483e0d8e9c27f46af1d325b051c511e1tree | snapshot
parent159fd7b8d3d12b27593d4fe3f6ae1d8e14ea9d0bcommit | diff
arm64: Kconfig: Enable LSE atomics by default

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>
arch/arm64/Kconfig diff | blob | history
Domain: System / Kernel;