Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752727AbaBVXSt (ORCPT ); Sat, 22 Feb 2014 18:18:49 -0500 Received: from smtp02.citrix.com ([66.165.176.63]:10284 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751745AbaBVXSq (ORCPT ); Sat, 22 Feb 2014 18:18:46 -0500 X-IronPort-AV: E=Sophos;i="4.97,526,1389744000"; d="scan'208";a="103288006" Message-ID: <53093051.9040907@citrix.com> Date: Sat, 22 Feb 2014 23:18:41 +0000 From: Zoltan Kiss User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 MIME-Version: 1.0 To: Ian Campbell CC: , , , , Subject: Re: [PATCH net-next v5 4/9] xen-netback: Change RX path for mapped SKB fragments References: <1390253069-25507-1-git-send-email-zoltan.kiss@citrix.com> <1390253069-25507-5-git-send-email-zoltan.kiss@citrix.com> <1392745532.23084.65.camel@kazak.uk.xensource.com> In-Reply-To: <1392745532.23084.65.camel@kazak.uk.xensource.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.68.14.49] X-DLP: MIA2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18/02/14 17:45, Ian Campbell wrote: > On Mon, 2014-01-20 at 21:24 +0000, Zoltan Kiss wrote: > > Re the Subject: change how? Perhaps "handle foreign mapped pages on the > guest RX path" would be clearer. Ok, I'll do that. > >> RX path need to know if the SKB fragments are stored on pages from another >> domain. > Does this not need to be done either before the mapping change or at the > same time? -- otherwise you have a window of a couple of commits where > things are broken, breaking bisectability. I can move this to the beginning, to keep bisectability. I've put it here originally because none of these makes sense without the previous patches. Zoli -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/