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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2010-02-22 13:57:54 -0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-02-22 19:04:13 +0200 |
| commit | 85199474d0df23b87f0b4a3e330401b59aac3ec0 (patch) | |
| tree | 1420d449ca27b80b96c30437c5d69208325f0c20 /qemu-barrier.h | |
| parent | 6312b92853a7cd483533de0348dcd26edef74824 (diff) | |
| download | qemu-85199474d0df23b87f0b4a3e330401b59aac3ec0.zip qemu-85199474d0df23b87f0b4a3e330401b59aac3ec0.tar.gz qemu-85199474d0df23b87f0b4a3e330401b59aac3ec0.tar.bz2 | |
kvm-all.c: define smp_wmb and use it for coalesced mmio
Acked-by: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'qemu-barrier.h')
| -rw-r--r-- | qemu-barrier.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/qemu-barrier.h b/qemu-barrier.h new file mode 100644 index 0000000..3bd1075 --- /dev/null +++ b/qemu-barrier.h @@ -0,0 +1,7 @@ +#ifndef __QEMU_BARRIER_H +#define __QEMU_BARRIER_H 1 + +/* FIXME: arch dependant, x86 version */ +#define smp_wmb() asm volatile("" ::: "memory") + +#endif |