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tools/virtio: stub out strong barriers

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The tool should never use them, abort if it does.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2012-02-28 09:07:58 +02:00
parent b0820a50a0
commit b17d5c6e19
1 changed files with 3 additions and 0 deletions
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3
tools/virtio/linux/virtio.h
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@ -181,6 +181,9 @@ struct virtqueue {
#define smp_mb() mb() #define smp_mb() mb()
# define smp_rmb() barrier() # define smp_rmb() barrier()
# define smp_wmb() barrier() # define smp_wmb() barrier()
/* Weak barriers should be used. If not - it's a bug */
# define rmb() abort()
# define wmb() abort()
#else #else
#error Please fill in barrier macros #error Please fill in barrier macros
#endif #endif