Commit 66894635 authored by Pawel Wodkowski's avatar Pawel Wodkowski Committed by Jim Harris
Browse files

vhost: obey VRING_AVAIL_F_NO_INTERRUPT 



If VRING_AVAIL_F_NO_INTERRUPT flag for queue is negotiated, guest can
set this flag in avail ring to suppress interrupts from host.

Change-Id: I2043067de33da009a974be5915ae81b1343fc424
Signed-off-by: default avatarPawel Wodkowski <pawelx.wodkowski@intel.com>
parent bf316377

lib/vhost/vhost.c

+3 −1
Original line number Diff line number Diff line
@@ -240,8 +240,10 @@ vq_used_ring_enqueue(struct rte_vhost_vring *vq, uint16_t id, uint32_t len) 
	rte_compiler_barrier();



	vq->used->idx = vq->last_used_idx;

	if (!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT)) {

		eventfd_write(vq->callfd, (eventfd_t)1);

	}

}



static bool

vring_desc_has_next(struct vring_desc *cur_desc)