Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp2515873imm; Sat, 28 Jul 2018 20:01:58 -0700 (PDT) X-Google-Smtp-Source: AAOMgpe/oavvRpmvsOowdskcV7Ar3XmalPzo9JmCrGNWUARSFmPIi799V/mAKJzk7TeBvZ9JJqhh X-Received: by 2002:a65:460e:: with SMTP id v14-v6mr11215839pgq.177.1532833318085; Sat, 28 Jul 2018 20:01:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1532833318; cv=none; d=google.com; s=arc-20160816; b=AYPL63I0T2psf5BoTzA1B0KYNmHdnnuuuizFiv+1rWAaJbIjneueJpF+Uv7mvPv0ca feQz1F0cU+f+XfSktceFdTBcZT/V4HbNCWBLKc/5I+xOBsNFZQKKOC2U0ZC6J5iGnjqo wHr8Gi0SppA9kTgV6b/jVYkaoqVw+oD9SSmfwAt19VCmAfX8c/BHd0cEoyofvPMNRP2l zxfM7y1mNmhhkOpVGk6gdW+Rud0YLIcQgw7rX5iYvnvCsOBgIe48hO2OVTe2/gxCe+Rm 4Q/SrjOolu72k+1XPwlHQko+Wo48u0OVB3qO2mwxydDJ30jErTNlp68HX42R5AQCB3Ms bjWw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :references:in-reply-to:mime-version:dkim-signature :arc-authentication-results; bh=PTlxSAOBBNT08i1ITf8yyFrXsOGKVnhArEgq/0II59g=; b=OBRIAcout6YezItuvGk9GZ2T8UdjLnU4nc0pZ7CsuGxM/ExBB9IIIx3oRdvuMQ8MmU hzt3AgCm+x2XfDIyVpgmYorOsrfG+TDGWZ77Qc3rlcq2/Fkd+LkBDF7VbhG2KkNwsmT/ rQmPdGxqLyLqL/I68TVPz4Sdgp5BMBSW66pv6qciKQZp1UPlCVhw8YZZUtPTRxJ2gKWN sSeYm4/Rs14Ke+sNCoOL6dilpqKrO7WcOq5YUprWOK6re3Ndk/GA6CV4JpiUomIcrYdP /h44+tOHux/JeqY4KVShxhY73MErrbAtO3B5wZTteWuPELPA7Trh7TUTvASI++tT712u jxsg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=gXmAFqDa; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y23-v6si7426830pli.389.2018.07.28.20.01.43; Sat, 28 Jul 2018 20:01:58 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=gXmAFqDa; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726487AbeG2E3E (ORCPT + 99 others); Sun, 29 Jul 2018 00:29:04 -0400 Received: from mail.kernel.org ([198.145.29.99]:34866 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725783AbeG2E3E (ORCPT ); Sun, 29 Jul 2018 00:29:04 -0400 Received: from mail-wm0-f44.google.com (mail-wm0-f44.google.com [74.125.82.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A1C732089F for ; Sun, 29 Jul 2018 03:00:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1532833218; bh=PTlxSAOBBNT08i1ITf8yyFrXsOGKVnhArEgq/0II59g=; h=In-Reply-To:References:From:Date:Subject:To:Cc:From; b=gXmAFqDa5LMkOz5FEAj5BFQklcdfXFMJ4dueBXepEARsO8NuK7XTIrTo2U7hvNv58 Y7HzHAxbJxW/qRxPT+/imjJquRqLOKEF/RacFHxgN94hkXhZX4C4/S39jPILVTYmhP VOayvWqCSSrF6kVw0q631aPVVnW17U/wy5oWiQnk= Received: by mail-wm0-f44.google.com with SMTP id t25-v6so9740823wmi.3 for ; Sat, 28 Jul 2018 20:00:18 -0700 (PDT) X-Gm-Message-State: AOUpUlHSwYcRZjpLX4z7RH0YPOiZxPmg6/XWacq7MokVREYMDreGJFIf SbXsESfOW8RLHVZLMAK04U2DMu8tq4lJCg131zjRIA== X-Received: by 2002:a1c:8b0d:: with SMTP id n13-v6mr9272392wmd.46.1532833217185; Sat, 28 Jul 2018 20:00:17 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a1c:548:0:0:0:0:0 with HTTP; Sat, 28 Jul 2018 19:59:56 -0700 (PDT) In-Reply-To: <20180728215357.3249-2-riel@surriel.com> References: <20180728215357.3249-1-riel@surriel.com> <20180728215357.3249-2-riel@surriel.com> From: Andy Lutomirski Date: Sat, 28 Jul 2018 19:59:56 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 01/10] x86,tlb: clarify memory barrier in switch_mm_irqs_off To: Rik van Riel Cc: LKML , kernel-team , Peter Zijlstra , Andrew Lutomirski , X86 ML , Vitaly Kuznetsov , Ingo Molnar , Mike Galbraith , Dave Hansen , will.daecon@arm.com, Catalin Marinas , Benjamin Herrenschmidt Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 28, 2018 at 2:53 PM, Rik van Riel wrote: > Clarify exactly what the memory barrier synchronizes with. Reviewed-by: Andy Lutomirski