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To: Tiwei Bie <tiwei.bie@intel.com>
Cc: dev@dpdk.org,
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From: He Peng <xnhp0320@icloud.com>
Date: Thu, 15 Aug 2019 09:14:52 GMT
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Hi,=0A=0A=0AWould you please provide=C2=A0 a list of impacted APIs, thus w=
e can=C2=A0check if our code has further issues. b.t.w, we are now using d=
pdk 18.11.=0A=0A=0AThanks.=0A=0A2019=E5=B9=B48=E6=9C=8814=E6=97=A5 =E4=B8=8B=
=E5=8D=8811:09=EF=BC=8CTiwei Bie <tiwei.bie@intel.com> =E5=86=99=E9=81=93=EF=
=BC=9A=0A=0A=0AOn Wed, Aug 14, 2019 at 03:31:09AM +0000, He Peng wrote:=0A=
=0AHi=EF=BC=8C=0A=0A=0AWe found that *rte_vhost_rx_queue_count* is not pro=
tected by vq->access_lock,=0Aand=C2=A0the access to vq->avail->idx is not =
thread-safe, since at the same time, the vq->avail=C2=A0=C2=A0might be=C2=A0=
=0A=0A=0Aset by *vring_invalidate* when some vhost-user messages arrived, =
such as VRING_SET_ADDRESS,=0AVRING_SET_MEM_TABLE, etc.=0A=0AYou are right.=
 And other similar APIs also need to be protected.=0AThanks for reporting =
this!=0A=0AThanks,=0ATiwei=0A=0A=0A=0A=0A=0A=0A=0AThanks.=C2=A0=0A=0A=0A=0A=
=0A=0A=0A=0A