From: Masami Hiramatsu <mhiramat@redhat.com>
Date: Fri, 6 Mar 2009 15:37:54 +0000 (-0500)
Subject: x86: implement atomic text_poke() via fixmap
X-Git-Tag: v2.6.30-rc1~2^2~55^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=78ff7fae04554b49d29226ed12536268c2500d1f;p=pandora-kernel.git

x86: implement atomic text_poke() via fixmap

Use fixmaps instead of vmap/vunmap in text_poke() for avoiding
page allocation and delayed unmapping.

At the result of above change, text_poke() becomes atomic and can be called
from stop_machine() etc.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
LKML-Reference: <49B14352.2040705@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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