tree 377980e0543a7c9d0f6567498a186284ae85e432
parent 3945dab45aa8c89014893bfa8eb1e1661a409cef
author Masami Hiramatsu <mhiramat@redhat.com> 1236353874 -0500
committer Ingo Molnar <mingo@elte.hu> 1236354541 +0100

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>