From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1FB8EC433E6 for ; Mon, 8 Feb 2021 09:46:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA89564E8F for ; Mon, 8 Feb 2021 09:46:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230363AbhBHJps (ORCPT ); Mon, 8 Feb 2021 04:45:48 -0500 Received: from mx2.suse.de ([195.135.220.15]:53912 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231421AbhBHJjV (ORCPT ); Mon, 8 Feb 2021 04:39:21 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1612777114; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ey4KeQ4wI8Ow8TBhYfMVHQwpaYnFFEiIsiUIit12DQc=; b=X3B/SXktu9OMTy3gCQxKfATO0YpQH5xheJaVU3VFlUCboSnM0ZJ3XMUnFDT4Nb0M3RXbQt /XfS7+BQnhF2x43SmgC72bRa4C5wB08RgIEcwa/NPXW0LO5bxZTYw4zykSZJ6+jMUiEnYr rCEC9iNZdEEoaRqQbhVaGX7lqbQvV44= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 2EDB9AD62; Mon, 8 Feb 2021 09:38:34 +0000 (UTC) Subject: Re: [PATCH 6/7] xen/evtch: use smp barriers for user event ring To: Juergen Gross Cc: Boris Ostrovsky , Stefano Stabellini , Andrew Cooper , linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org References: <20210206104932.29064-1-jgross@suse.com> <20210206104932.29064-7-jgross@suse.com> From: Jan Beulich Message-ID: <5cef0d0e-8f03-7cd2-4246-268a67a87dc5@suse.com> Date: Mon, 8 Feb 2021 10:38:33 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210206104932.29064-7-jgross@suse.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06.02.2021 11:49, Juergen Gross wrote: > The ring buffer for user events is used in the local system only, so > smp barriers are fine for ensuring consistency. > > Reported-by: Andrew Cooper > Signed-off-by: Juergen Gross Reviewed-by: Jan Beulich Albeit I think "local system" is at least ambiguous (physical machine? VM?). How about something like "is local to the given kernel instance"? Jan