From: "Michael S. Tsirkin" <mst@redhat.com>
To: Herbert Xu <herbert@gondor.hengli.com.au>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
"Jamal Hadi Salim" <hadi@cyberus.ca>,
"Stephen Hemminger" <shemminger@vyatta.com>,
"Jason Wang" <jasowang@redhat.com>,
"Neil Horman" <nhorman@tuxdriver.com>,
"Jiri Pirko" <jpirko@redhat.com>,
"Jeff Kirsher" <jeffrey.t.kirsher@intel.com>,
"Eric Dumazet" <eric.dumazet@gmail.com>,
"Michał Mirosław" <mirq-linux@rere.qmqm.pl>,
"Ben Hutchings" <bhutchings@solarflare.com>
Subject: Re: [PATCH] net: orphan queued skbs if device tx can stall
Date: Mon, 9 Apr 2012 11:42:09 +0300 [thread overview]
Message-ID: <20120409084208.GA28362@redhat.com> (raw)
In-Reply-To: <20120409083958.GA3951@gondor.apana.org.au>
On Mon, Apr 09, 2012 at 04:39:58PM +0800, Herbert Xu wrote:
> On Mon, Apr 09, 2012 at 11:34:02AM +0300, Michael S. Tsirkin wrote:
> >
> > Puzzled. This patch orphans skbs only if the destination device sets
> > IFF_TX_CAN_STALL. Since the physical NIC doesn't stall forever it never
> > sets this flag.
> >
> > So it seems that this patch should not affect the configuration
> > you describe at all.
> >
> > Could you please clarify? What did I miss?
>
> Oops, you're right. Somehow I was thinking you were patching
> virtio-net instead of tun.
>
> Cheers,
Cool. Want to ack the patch then just to make it clear you are happy?
> --
> Email: Herbert Xu <herbert@gondor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2012-04-09 8:42 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-08 17:13 [PATCH] net: orphan queued skbs if device tx can stall Michael S. Tsirkin
2012-04-08 23:49 ` Herbert Xu
2012-04-09 7:28 ` Michael S. Tsirkin
2012-04-09 7:33 ` Herbert Xu
2012-04-09 7:39 ` Michael S. Tsirkin
2012-04-09 8:29 ` Herbert Xu
2012-04-09 8:34 ` Michael S. Tsirkin
2012-04-09 8:39 ` Herbert Xu
2012-04-09 8:42 ` Michael S. Tsirkin [this message]
2012-04-09 9:13 ` Eric Dumazet
2012-04-10 7:55 ` Eric Dumazet
2012-04-10 8:41 ` Michael S. Tsirkin
2012-04-10 8:55 ` Eric Dumazet
2012-04-10 9:31 ` Michael S. Tsirkin
2012-04-10 10:04 ` Eric Dumazet
2012-04-10 11:25 ` Michael S. Tsirkin
2012-04-10 11:45 ` Eric Dumazet
2012-04-10 12:41 ` Michael S. Tsirkin
2012-04-10 13:52 ` Eric Dumazet
2012-04-10 14:10 ` Michael S. Tsirkin
2012-04-11 21:52 ` Michael S. Tsirkin
2012-05-08 19:35 ` Michael S. Tsirkin
2012-05-08 19:50 ` Michael S. Tsirkin
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