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(parent: 0fc36c0) | patch
arm64: barriers: add dmb barrier
authorWill Deacon <will.deacon@arm.com>
Mon, 10 Mar 2014 10:36:52 +0000 (10:36 +0000)
committerMark Brown <broonie@linaro.org>
Wed, 21 May 2014 17:51:41 +0000 (18:51 +0100)
commitc83b7c920a1f7ee9d5cd30a25dbe314ea0fbc7ed
tree4cf86312ade57e1d871af5b7f1f1a34c7128548ctree | snapshot
parent0fc36c022860cf5344d1921d981ef450315e7d0fcommit | diff
arm64: barriers: add dmb barrier

Commit 8adbf57fc429 ("irqchip: gic: use dmb ishst instead of dsb when
raising a softirq") added an explicit dmb(...) call to the GIC driver.

This patch adds a simple dmb() macro to arm64, which expands to a DMB SY
instruction.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit d152d22a18c240286c19997a6249ee76ea055926)
Signed-off-by: Mark Brown <broonie@linaro.org>
arch/arm64/include/asm/barrier.h diff | blob | history
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