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From: He Peng <xnhp0320@icloud.com>
Date: Wed, 14 Aug 2019 03:31:09 GMT
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Subject: [dpdk-dev] =?utf-8?q?*rte=5Fvhost=5Frx=5Fqueue=5Fcount*_should__b?=
 =?utf-8?q?e_protected_by_vq-=3Eaccess=5Flock?=
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Sender: "dev" <dev-bounces@dpdk.org>

Hi=EF=BC=8C=0A=0A=0AWe found that *rte_vhost_rx_queue_count* is not protec=
ted by vq->access_lock,=0Aand=C2=A0the access to vq->avail->idx is not thr=
ead-safe, since at the same time, the vq->avail=C2=A0=C2=A0might be=C2=A0=0A=
=0Aset by *vring_invalidate* when some vhost-user messages arrived, such a=
s VRING_SET_ADDRESS,=0AVRING_SET_MEM_TABLE, etc.=0A=0A=0AThanks.=C2=A0=0A=0A=
=0A=0A