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tools/virtio: make asm/barrier.h self contained 

We are using abort() so let's include stdlib.h

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2020-04-06 16:20:45 -04:00
parent 6bd6b282d0
commit 770f359ced
1 changed files with 1 additions and 0 deletions
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tools/virtio/asm/barrier.h
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@ -1,4 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
#include <stdlib.h>
#if defined(__i386__) || defined(__x86_64__)
#define barrier() asm volatile("" ::: "memory")
#define virt_mb() __sync_synchronize()