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 BBA32C33CAA for ; Thu, 23 Jan 2020 08:16:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 80FFF22522 for ; Thu, 23 Jan 2020 08:16:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="qS8R044I" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726621AbgAWIQ3 (ORCPT ); Thu, 23 Jan 2020 03:16:29 -0500 Received: from mail.skyhub.de ([5.9.137.197]:44248 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725785AbgAWIQ3 (ORCPT ); Thu, 23 Jan 2020 03:16:29 -0500 Received: from zn.tnic (p200300EC2F095B0060FE665DEF90E16F.dip0.t-ipconnect.de [IPv6:2003:ec:2f09:5b00:60fe:665d:ef90:e16f]) (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 4EB9C1EC047D; Thu, 23 Jan 2020 09:16:28 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1579767388; 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=PPVaeXaXqO644uKt7eoWxEa5cUlx4kFXc+xXb3pXKAo=; b=qS8R044IuNPx4oq9bwbELyDinMpvs5kh2AipLwGxy2+TB4JfZL5wnmlUcGK9DL4B2wETKS X7xlodcsMotN7YpZHq9YKJhP1bheZSu727agE4+gK8dmNFaHNFhP4OEz26/H/PYtGs/5lD DqHeJg4cI3tQur99NC/gyt3FAKzh93M= Date: Thu, 23 Jan 2020 09:16:25 +0100 From: Borislav Petkov To: Qian Cai Cc: Peter Zijlstra , Marco Elver , Thomas Gleixner , Ingo Molnar , Dave Hansen , Andy Lutomirski , the arch/x86 maintainers , LKML Subject: Re: [PATCH -next] x86/mm/pat: silence a data race in cpa_4k_install Message-ID: <20200123081625.GA10328@zn.tnic> References: <20200122084604.GP14914@hirez.programming.kicks-ass.net> <4F7E8467-98F0-483A-BF70-CD06AC78890D@lca.pw> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <4F7E8467-98F0-483A-BF70-CD06AC78890D@lca.pw> 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 Wed, Jan 22, 2020 at 09:15:07PM -0500, Qian Cai wrote: > Okay, so which way should we move forward with this then? Borislav > liked __no_kasan_or_inline and Peter liked data_race(). I personally > like data_race() more because it has nothing to do with the GCC bug, > but I realized my opinion has little weight here. Do the data_race() thing, pls. But do send after the merge window because latter should open next week and we all will be busy and not review/apply new stuff. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette