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x86: clflush_page_range needs mfence
authorThomas Gleixner <tglx@linutronix.de>
Wed, 30 Jan 2008 12:34:08 +0000 (13:34 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 30 Jan 2008 12:34:08 +0000 (13:34 +0100)
clflush is an unordered operation with respect to other memory
traffic, including other CLFLUSH instructions. This needs proper
fencing with mfence.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

No differences found
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