From 1927da29ccbe1d4cc8e59ccfa197eb41c257814f Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Mon, 27 Mar 2017 17:08:20 +0200 Subject: vppinfra: add spinlock inline functions Change-Id: I86089e9bb604adfc260a111685001be1c897ce53 Signed-off-by: Damjan Marion --- src/plugins/memif/device.c | 21 ++------------------- 1 file changed, 2 insertions(+), 19 deletions(-) (limited to 'src/plugins/memif/device.c') diff --git a/src/plugins/memif/device.c b/src/plugins/memif/device.c index 446537a3..4faeb055 100644 --- a/src/plugins/memif/device.c +++ b/src/plugins/memif/device.c @@ -78,23 +78,6 @@ format_memif_tx_trace (u8 * s, va_list * args) return s; } -static_always_inline void -memif_interface_lock (memif_if_t * mif) -{ - if (PREDICT_FALSE (mif->lockp != 0)) - { - while (__sync_lock_test_and_set (mif->lockp, 1)) - ; - } -} - -static_always_inline void -memif_interface_unlock (memif_if_t * mif) -{ - if (PREDICT_FALSE (mif->lockp != 0)) - *mif->lockp = 0; -} - static_always_inline void memif_prefetch_buffer_and_data (vlib_main_t * vm, u32 bi) { @@ -117,7 +100,7 @@ memif_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node, u16 head, tail; u16 free_slots; - memif_interface_lock (mif); + clib_spinlock_lock_if_init (&mif->lockp); /* free consumed buffers */ @@ -210,7 +193,7 @@ memif_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node, CLIB_MEMORY_STORE_BARRIER (); ring->head = head; - memif_interface_unlock (mif); + clib_spinlock_unlock (&mif->lockp); if (n_left) { -- cgit 1.2.3-korg