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(parent: edfa103) | patch
arm64: barriers: add dmb barrier
authorWill Deacon <will.deacon@arm.com>
Mon, 10 Mar 2014 10:36:52 +0000 (10:36 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Mon, 10 Mar 2014 11:57:40 +0000 (11:57 +0000)
commit4fff0125105db0b763fa64d368e5e985c075188d
tree8f2c88c264c7031e139c2016e7edd6e7bd1a2d0ftree | snapshot
parentedfa103e550e1c3b63ecb1e361b3b14c51b0264acommit | 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>
arch/arm64/include/asm/barrier.h diff | blob | history
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