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ovs-thread: Make struct spin lock cache aligned.

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Make the spin lock struct 64-byte aligned to avoid false sharing issue.

Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
This commit is contained in:
William Tu
2019-08-26 16:00:31 -07:00
committed by Ben Pfaff
parent ea41c034db
commit ae36d63d7e
1 changed files with 1 additions and 1 deletions
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include/openvswitch/thread.h
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@@ -34,7 +34,7 @@ struct OVS_LOCKABLE ovs_mutex {
}; };
#ifdef HAVE_PTHREAD_SPIN_LOCK #ifdef HAVE_PTHREAD_SPIN_LOCK
struct OVS_LOCKABLE ovs_spin { OVS_ALIGNED_STRUCT(64, OVS_LOCKABLE ovs_spin) {
pthread_spinlock_t lock; pthread_spinlock_t lock;
const char *where; /* NULL if and only if uninitialized. */ const char *where; /* NULL if and only if uninitialized. */
}; };