Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755661AbcLBTYM (ORCPT ); Fri, 2 Dec 2016 14:24:12 -0500 Received: from mail-io0-f194.google.com ([209.85.223.194]:35467 "EHLO mail-io0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751282AbcLBTYL (ORCPT ); Fri, 2 Dec 2016 14:24:11 -0500 MIME-Version: 1.0 In-Reply-To: <20161202192050.l5l3rcwems6hptub@pd.tnic> References: <0a21157c2233ba7d0781bbf07866b3f2d7e7c25d.1480638597.git.luto@kernel.org> <20161202180343.gehqor7lgtmzwqq3@pd.tnic> <20161202185008.tdziqrzi4a3axord@pd.tnic> <20161202192050.l5l3rcwems6hptub@pd.tnic> From: Linus Torvalds Date: Fri, 2 Dec 2016 11:24:09 -0800 X-Google-Sender-Auth: MXLHisl26qHOG78m-pLdNr_wPc4 Message-ID: Subject: Re: [PATCH v2 5/6] x86/xen: Add a Xen-specific sync_core() implementation To: Borislav Petkov Cc: Borislav Petkov , Andy Lutomirski , Peter Anvin , "the arch/x86 maintainers" , One Thousand Gnomes , "linux-kernel@vger.kernel.org" , Brian Gerst , Matthew Whitehead , Henrique de Moraes Holschuh , Peter Zijlstra , Andrew Cooper Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 350 Lines: 11 On Fri, Dec 2, 2016 at 11:20 AM, Borislav Petkov wrote: > > Something like below? The optimize-nops thing needs it too, I think. Again, this will never matter in practice (even if somebody has a i486 s till, the prefetch window size is like 16 bytes or something), but from a documentation standpoint it's good. Linus