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From: Ian Campbell <Ian.Campbell@citrix.com>
To: Zoltan Kiss <zoltan.kiss@citrix.com>
Cc: Paul Durrant <Paul.Durrant@citrix.com>,
	Wei Liu <wei.liu2@citrix.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Jonathan Davies" <Jonathan.Davies@citrix.com>
Subject: Re: [PATCH net-next v2 2/2] xen-netback: Grant copy the header instead of map and memcpy
Date: Wed, 2 Apr 2014 08:29:38 +0100	[thread overview]
Message-ID: <1396423778.26869.61.camel@dagon.hellion.org.uk> (raw)
In-Reply-To: <533B0BA7.6040607@citrix.com>

On Tue, 2014-04-01 at 19:55 +0100, Zoltan Kiss wrote:
> >> @@ -1389,7 +1393,7 @@ static int xenvif_tx_submit(struct xenvif
> *vif)
> >>              txp = &vif->pending_tx_info[pending_idx].req;
> >>
> >>              /* Check the remap error code. */
> >> -            if (unlikely(xenvif_tx_check_gop(vif, skb, &gop_map)))
> {
> >> +            if (unlikely(xenvif_tx_check_gop(vif, skb, &gop_map,
> >> &gop_copy))) {
> >>                      netdev_dbg(vif->dev, "netback grant
> failed.\n");
> >
> > It could have been the copy that failed. You should probably change
> the error message.
> I've changed it to "netback grant op failed.\n"

Perhaps xenvif_tx_check_gop is in a position to log something more
specific about the failure? (maybe it already does, I didn't look).

Ian.



  reply	other threads:[~2014-04-02  7:29 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-31 15:08 [PATCH net-next v2 1/2] xen-netback: Rename map ops Zoltan Kiss
2014-03-31 15:08 ` [PATCH net-next v2 2/2] xen-netback: Grant copy the header instead of map and memcpy Zoltan Kiss
2014-04-01  9:40   ` Paul Durrant
2014-04-01 18:55     ` Zoltan Kiss
2014-04-02  7:29       ` Ian Campbell [this message]
2014-04-01 11:40   ` Ian Campbell
2014-04-01 19:09     ` Zoltan Kiss
2014-04-02  7:32       ` Ian Campbell
2014-04-02 13:11     ` [Xen-devel] " David Vrabel
2014-04-02 13:15       ` Ian Campbell
2014-04-02 14:41       ` Zoltan Kiss
2014-04-01 11:18 ` [PATCH net-next v2 1/2] xen-netback: Rename map ops Ian Campbell

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