From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=2607:f8b0:400e:c00::232; helo=mail-pf0-x232.google.com; envelope-from=heyi.guo@linaro.org; receiver=edk2-devel@lists.01.org Received: from mail-pf0-x232.google.com (mail-pf0-x232.google.com [IPv6:2607:f8b0:400e:c00::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 2738422135D56 for ; Mon, 12 Mar 2018 17:27:47 -0700 (PDT) Received: by mail-pf0-x232.google.com with SMTP id h11so5115987pfn.4 for ; Mon, 12 Mar 2018 17:34:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=s4gYwmUARuZ67GhpSXo83Egn0XklKV02a8WTYDFBFPk=; b=CN/zK3QEteKlFI5iS/UnULdZrKHo56JID2OghXE2mBAhPFRy8q5/nsv3szCcfqduFA w2c+dko+HIX6yLKyJuewnf8NORz4BVYhpGQjz2n6WBQs/pclt9JzZoK0MSjR5SP9cvFg SCnC19+MPTNSItouIVWb7SQQTGFvWFKU2eUcY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=s4gYwmUARuZ67GhpSXo83Egn0XklKV02a8WTYDFBFPk=; b=KaZJdFB7kAfLs5s9TBZ2z2WcFnp0NhC73l41IulSH2d9yiuPEix0clmqs6cbx6HSwr JabW1LDCDJxb0TAbxwHgdP2fMZqhg0YQfa1LQAPXePbm3QC3Wu+Aj6Unc3lrJpRoCZhu 3+K9YBW2oQLpRsmmb/BcntO+DAU/PinRlpWbwrz2ONJe95vvpTiccoT14mjEufay0/Ff ggsCRU2s6tVnni8eBFSGqWuz/wn3bZzl1DQ5CZwxuIFPVmixRTiA8qc80pyCh00Nc/Dt gMJ+FSed1MUONAYDYAxWSZ7ge6bYhuMUCPnRfKmzqQQeibRFn+hQxm7J5ktQnFrNfAdi 4yzg== X-Gm-Message-State: AElRT7FKH+gDX2vY4DwiGPDPFibHdQflXMbcQWWmpsMlHjjMHfzPZVHZ NS9B6nKy+uCfHGpkEXX6o4sWDw== X-Google-Smtp-Source: AG47ELvIz/7UwpLDDy7HInnK19rxwapBl2h+nkNarE78EVXF7Mq83frp3ZTVOEcX2kZBqh0kcU/2Uw== X-Received: by 10.99.127.69 with SMTP id p5mr8076555pgn.346.1520901248962; Mon, 12 Mar 2018 17:34:08 -0700 (PDT) Received: from SZX1000114654 ([45.56.152.76]) by smtp.gmail.com with ESMTPSA id 189sm19015111pfu.129.2018.03.12.17.34.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 12 Mar 2018 17:34:08 -0700 (PDT) From: Guo Heyi X-Google-Original-From: Guo Heyi Date: Tue, 13 Mar 2018 08:34:04 +0800 To: Marc Zyngier Cc: Ard Biesheuvel , Guo Heyi , "edk2-devel@lists.01.org" , Yi Li , Leif Lindholm Message-ID: <20180313003404.GB96299@SZX1000114654> References: <1520837611-94728-1-git-send-email-heyi.guo@linaro.org> <1520837611-94728-2-git-send-email-heyi.guo@linaro.org> <54c4aab8-cc61-b4cc-6ab0-325dd42cca35@arm.com> <20180312102643.GC60232@SZX1000114654> <20180312103808.GD60232@SZX1000114654> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Subject: Re: [PATCH 1/1] ArmPkg/TimerDxe: Add DSB for timer compare value reload X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Mar 2018 00:27:48 -0000 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Mar 12, 2018 at 10:48:59AM +0000, Marc Zyngier wrote: > On 12/03/18 10:38, Ard Biesheuvel wrote: > > On 12 March 2018 at 10:38, Guo Heyi wrote: > >> Hi Marc, > >> > >> I just tested with an ISB and it also worked for our platform. > >> > >> So is it acceptable to add an ISB after reloading timer compare value? > >> > > > > I am fine with that if Marc is. > > An ISB makes a lot more sense to me. You can put my ack on a modified > version of that patch. Hi Marc, I've sent v2 patch using ISB. Please help to check the updated commit message to see if my understanding is correct. Thanks, Heyi > > Thanks, > > M. > -- > Jazz is not dead. It just smells funny...