From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752812AbdBJOF5 (ORCPT ); Fri, 10 Feb 2017 09:05:57 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:48332 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752770AbdBJOFy (ORCPT ); Fri, 10 Feb 2017 09:05:54 -0500 Subject: Re: [PATCH v4 0/3] xen: optimize xenbus performance To: Juergen Gross , linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org References: <20170209133958.5932-1-jgross@suse.com> From: Boris Ostrovsky Message-ID: <6388f65c-b0bd-6575-a93e-cd74f404ace8@oracle.com> Date: Fri, 10 Feb 2017 09:06:45 -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: <20170209133958.5932-1-jgross@suse.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/09/2017 08:39 AM, Juergen Gross wrote: > The xenbus driver used for communication with Xenstore (all kernel > accesses to Xenstore and in case of Xenstore living in another domain > all accesses of the local domain to Xenstore) is rather simple > especially regarding multiple concurrent accesses: they are just being > serialized in spite of Xenstore being capable to handle multiple > parallel accesses. > > Clean up the external interface(s) of xenbus and optimize its > performance by allowing multiple concurrent accesses to Xenstore. > Applied to for-linus-4.11. -boris