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qemu-barrier: Fix compilation on i386 hosts 

Commit 610b823ef6 uses QEMU_GNUC_PREREQ
on i386 hosts.

That macro is defined in qemu-common.h which is not always included
before qemu-barrier.h, so compilation on i386 hosts was broken.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Stefan Weil 2012-10-06 12:46:15 +02:00 committed by Aurelien Jarno
parent d1e321b82a
commit 1d31fca470
1 changed files with 2 additions and 0 deletions
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2
qemu-barrier.h
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@ -6,6 +6,8 @@
#if defined(__i386__)
#include "qemu-common.h" /* QEMU_GNUC_PREREQ */
/*
* Because of the strongly ordered x86 storage model, wmb() and rmb() are nops
* on x86(well, a compiler barrier only). Well, at least as long as