arm64: Use acquire/release semantics instead of explicit DMB
authorCatalin Marinas <catalin.marinas@arm.com>
Tue, 30 Apr 2013 14:58:37 +0000 (15:58 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Tue, 30 Apr 2013 14:58:37 +0000 (15:58 +0100)
This patch changes the test_and_*_bit functions to use the
load-acquire/store-release instructions instead of explicit DMB.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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