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(parent: e274074) | patch
x86: CPA return early when requested feature is not available
authorThomas Gleixner <tglx@linutronix.de>
Mon, 4 Feb 2008 15:48:06 +0000 (16:48 +0100)
committerIngo Molnar <mingo@elte.hu>
Mon, 4 Feb 2008 15:48:06 +0000 (16:48 +0100)
commit3080fbe9a2639cabc6f54192b72776da13f11f71
treeeff21a6aee567367bc63f4b81ecf9b2582eed1ectree | snapshot
parente27407434a01e0f906a330f6b37830cd9a14babfcommit | diff
x86: CPA return early when requested feature is not available

Mask out the not supported bits (e.g. NX). If the clr/set masks
are empty after the mask return without changing anything.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/mm/pageattr.c diff | blob | history
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