Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932121AbdCHVCz (ORCPT ); Wed, 8 Mar 2017 16:02:55 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:35948 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752699AbdCHVBG (ORCPT ); Wed, 8 Mar 2017 16:01:06 -0500 Subject: Re: [PATCH 5/7] xen/9pfs: send requests to the backend To: Stefano Stabellini References: <1488830488-18506-1-git-send-email-sstabellini@kernel.org> <1488830488-18506-5-git-send-email-sstabellini@kernel.org> <5351d729-6b53-aa30-55e8-dd3f55324831@oracle.com> <0d2ab9ca-47b1-700a-741e-82ffdc7bcfad@oracle.com> Cc: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, Stefano Stabellini , jgross@suse.com, Eric Van Hensbergen , Ron Minnich , Latchesar Ionkov , v9fs-developer@lists.sourceforge.net From: Boris Ostrovsky Message-ID: <10f75190-a472-0d0d-ebbf-dcd5290075e7@oracle.com> Date: Wed, 8 Mar 2017 16:01:59 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 197 Lines: 8 >> There is no extra read of prod/cons. > Yes, there are: just after this if statement we would have to read them > again to calculate masked_prod and masked_cons. Ah, of course. Thanks. -boris