| commit | d152d22a18c240286c19997a6249ee76ea055926 | [log] [tgz] |
|---|---|---|
| author | Will Deacon <will.deacon@arm.com> | Mon Mar 10 10:36:52 2014 +0000 |
| committer | Catalin Marinas <catalin.marinas@arm.com> | Mon Mar 10 11:57:40 2014 +0000 |
| tree | 8f2c88c264c7031e139c2016e7edd6e7bd1a2d0f | |
| parent | f6e763b93a6cd3411fd8df925344022719bcba62 [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>