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ringtest: test build fix 

Recent changes to ptr_ring broke the ringtest
which lacks a likely() stub. Fix it up.

Fixes: 982fb490c2
	("ptr_ring: support zero length ring")
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hifive-unleashed-5.1
Michael S. Tsirkin 2016-08-14 23:44:21 +03:00
parent 3b2fbb3f06
commit 52012619e5
1 changed files with 1 additions and 0 deletions
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tools/virtio/ringtest/ptr_ring.c
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@ -13,6 +13,7 @@
#define cache_line_size() SMP_CACHE_BYTES
#define ____cacheline_aligned_in_smp __attribute__ ((aligned (SMP_CACHE_BYTES)))
#define unlikely(x) (__builtin_expect(!!(x), 0))
#define likely(x) (__builtin_expect(!!(x), 1))
#define ALIGN(x, a) (((x) + (a) - 1) / (a) * (a))
typedef pthread_spinlock_t spinlock_t;