From: Thomas Monjalon <thomas@monjalon.net>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: dev@dpdk.org,
"Phil Yang (Arm Technology China)" <Phil.Yang@arm.com>,
"stable@dpdk.org" <stable@dpdk.org>,
"he.qiao17@zte.com.cn" <he.qiao17@zte.com.cn>,
Igor Ryzhov <iryzhov@nfware.com>, Dan Gora <dg@adax.com>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] examples/kni: fix crash while handling userspace request
Date: Thu, 17 Jan 2019 23:48:25 +0100 [thread overview]
Message-ID: <15486437.2BuXh0EO9Z@xps> (raw)
In-Reply-To: <DB7PR08MB33857C6D4F4085394775F9DCE9820@DB7PR08MB3385.eurprd08.prod.outlook.com>
> > When KNI interface receives RTE_KNI_REQ_CFG_NETWORK_IF request, it
> > stap/start the physical device which as a result of stop() can free all the mbufs in
> > its queue.
> > Meanwhile sample application continues to read from KNI interface queues and
> > push into device queues. This simultaneous access may cause a crash, crash log
> > can be found at defect description.
> >
> > As a solution KNI sample application can do the proper synchronization, and
> > stop transfer between KNI interface and physical interface while physical device
> > stop/started.
> >
> > Bugzilla ID: 116
> > Fixes: 3fc5ca2f6352 ("kni: initial import")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
>
> Acked-by: Phil Yang <phil.yang@arm.com>
Applied, thanks
prev parent reply other threads:[~2019-01-17 22:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-15 17:28 [dpdk-stable] " Ferruh Yigit
2019-01-16 6:34 ` Phil Yang (Arm Technology China)
2019-01-17 22:48 ` Thomas Monjalon [this message]
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