From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Cc: dev@dpdk.org, nlaw@brocade.com
Subject: Re: [PATCH] vhost: don't stall if guest is slow
Date: Tue, 08 Dec 2015 03:30:43 +0100 [thread overview]
Message-ID: <3746283.SiKfvnY0NL@xps13> (raw)
In-Reply-To: <20151208022311.GI29571@yliu-dev.sh.intel.com>
2015-12-08 10:23, Yuanhan Liu:
> On Mon, Dec 07, 2015 at 04:50:21PM -0800, Stephen Hemminger wrote:
> > When guest is booting (or any othertime guest is busy) it is possible
> > for the small receive ring (256) to get full. If this happens the
> > vhost library should just return normally. It's current behavior
> > of logging just creates massive log spew/overflow which could even
> > act as a DoS attack against host.
> >
> > Reported-by: Nathan Law <nlaw@brocade.com>
> > Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
>
> Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Yuanhan, please what is your opinion about the balance benefit/risk
of this patch for 2.2?
next prev parent reply other threads:[~2015-12-08 2:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-08 0:50 [PATCH] vhost: don't stall if guest is slow Stephen Hemminger
2015-12-08 2:23 ` Yuanhan Liu
2015-12-08 2:30 ` Thomas Monjalon [this message]
2015-12-08 3:12 ` Yuanhan Liu
2015-12-09 20:02 ` Thomas Monjalon
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