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MFC r270253:

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Change netmap's global lock to sx instead of a mutex.
This commit is contained in:
np 2014-08-21 19:58:46 +00:00
parent 9e6f3aa5f7
commit 77ec212e10
1 changed files with 7 additions and 7 deletions
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14
sys/dev/netmap/netmap_kern.h
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@ -44,13 +44,13 @@
#define unlikely(x) __builtin_expect((long)!!(x), 0L)
#define NM_LOCK_T struct mtx
#define NMG_LOCK_T struct mtx
#define NMG_LOCK_INIT() mtx_init(&netmap_global_lock, \
"netmap global lock", NULL, MTX_DEF)
#define NMG_LOCK_DESTROY() mtx_destroy(&netmap_global_lock)
#define NMG_LOCK() mtx_lock(&netmap_global_lock)
#define NMG_UNLOCK() mtx_unlock(&netmap_global_lock)
#define NMG_LOCK_ASSERT() mtx_assert(&netmap_global_lock, MA_OWNED)
#define NMG_LOCK_T struct sx
#define NMG_LOCK_INIT() sx_init(&netmap_global_lock, \
"netmap global lock")
#define NMG_LOCK_DESTROY() sx_destroy(&netmap_global_lock)
#define NMG_LOCK() sx_xlock(&netmap_global_lock)
#define NMG_UNLOCK() sx_xunlock(&netmap_global_lock)
#define NMG_LOCK_ASSERT() sx_assert(&netmap_global_lock, SA_XLOCKED)
#define NM_SELINFO_T struct selinfo
#define MBUF_LEN(m) ((m)->m_pkthdr.len)