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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 6F320C2D0CE for ; Tue, 21 Jan 2020 15:29:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 355A7217F4 for ; Tue, 21 Jan 2020 15:29:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="oQLFfvbg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729138AbgAUP3C (ORCPT ); Tue, 21 Jan 2020 10:29:02 -0500 Received: from mail.skyhub.de ([5.9.137.197]:36308 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727508AbgAUP3C (ORCPT ); Tue, 21 Jan 2020 10:29:02 -0500 Received: from zn.tnic (p200300EC2F0B04001968D368394CA6AD.dip0.t-ipconnect.de [IPv6:2003:ec:2f0b:400:1968:d368:394c:a6ad]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id D8E341EC045C; Tue, 21 Jan 2020 16:29:00 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1579620541; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=6y5TIWmgQrQ+KXfFCFI2F/8j7NBQMvB/7z0s7cAgzgI=; b=oQLFfvbgKCydpAmIBQg1afn73trDMTjKEgfBj3YztJm0HfveIFt/SPB/zv4Lku7Lg8wFWJ qgCvIM/dFugZ1O8/MnUlmVADy74ZMiZo0S78shLxg4tRdRcCg5/jqe0U7NrrIMXll7FSaK kqiJ37Kb43b+UOH5yP1m9Wgv0AnwAKg= Date: Tue, 21 Jan 2020 16:28:53 +0100 From: Borislav Petkov To: Qian Cai Cc: Marco Elver , Thomas Gleixner , Ingo Molnar , Dave Hansen , Andy Lutomirski , Peter Zijlstra , the arch/x86 maintainers , LKML Subject: Re: [PATCH -next] x86/mm/pat: silence a data race in cpa_4k_install Message-ID: <20200121152853.GI7808@zn.tnic> References: <20200121151503.2934-1-cai@lca.pw> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 21, 2020 at 04:19:22PM +0100, Marco Elver wrote: > Could you remove the verbatim copy of my email? Maybe something like: > > "Increments to cpa_4k_install may happen concurrently, as detected by KCSAN: > > <....... the stack traces ......> ... and drop the stack traces and fix your subject to say what you're actually "fixing". -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette