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[ARM] armv7: add dedicated ARMv7 barrier instructions
authorCatalin Marinas <catalin.marinas@arm.com>
Tue, 8 May 2007 21:53:44 +0000 (22:53 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Tue, 8 May 2007 21:55:57 +0000 (22:55 +0100)
Starting with ARMv7, there are dedicated instruction for the ISB, DSB
and DMB barriers and there is no need to execute them as CP15
operations.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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