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[23.128.96.18]) by mx.google.com with ESMTP id w1si7170130edf.49.2020.10.26.12.38.02; Mon, 26 Oct 2020 12:38:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 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 S1785927AbgJZQ30 (ORCPT + 99 others); Mon, 26 Oct 2020 12:29:26 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:38721 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1773930AbgJZQ30 (ORCPT ); Mon, 26 Oct 2020 12:29:26 -0400 Received: by mail-wr1-f66.google.com with SMTP id n18so13354575wrs.5; Mon, 26 Oct 2020 09:29:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=cWeA8CWri32QkONqVW1NoL41XQcJqip3DA/la05shNE=; b=jy3CkCAEDlaxLE0dtPYJlWGZ45KBW7vOvTatZzqoiYYJdDVqHt7UMn4MjQOkKqhUX4 z4Zkednq+wi5Ny6OB/fg4MXsmNMWWn7rgU8IBpW6TBGE80+1CjyrMFfsKjFiPkA21b+V IXP0hNsmNJbWRxsxTPkrP3W2RovMa9+A/UXCA57TdUV0rOeFH3Wpi51/CVVUkEDFi9jD kd7IWVTrtTfYAQtRjP0Rc+yhawD9B13YbI/ngwNhZO9P+8TF3pk770cPWH9VFhFThqhE 4vWuJNBAnEQjJ49E1diK2AEuwWEAZqnE/lAUVPURtn8g20smYwID55Anu7kRNc6gxBkc c1Qg== X-Gm-Message-State: AOAM532DBF+vl57rNrsjLo2h27U7LSKzS36KJHK/IT7d7JIeLfydpzWd nlJxn2KTzRBzoE57cIbJv5M= X-Received: by 2002:a5d:4ccd:: with SMTP id c13mr18624693wrt.221.1603729763369; Mon, 26 Oct 2020 09:29:23 -0700 (PDT) Received: from liuwe-devbox-debian-v2 ([51.145.34.42]) by smtp.gmail.com with ESMTPSA id t62sm22130579wmf.22.2020.10.26.09.29.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Oct 2020 09:29:22 -0700 (PDT) Date: Mon, 26 Oct 2020 16:29:21 +0000 From: Wei Liu To: Michael Kelley Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de, peterz@infradead.org, kys@microsoft.com, sthemmin@microsoft.com, wei.liu@kernel.org, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, linux-hyperv@vger.kernel.org Subject: Re: [PATCH 1/1] x86/hyperv: Clarify comment on x2apic mode Message-ID: <20201026162921.4kj47twy2wl43jji@liuwe-devbox-debian-v2> References: <1603723972-81303-1-git-send-email-mikelley@microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1603723972-81303-1-git-send-email-mikelley@microsoft.com> User-Agent: NeoMutt/20180716 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 26, 2020 at 07:52:52AM -0700, Michael Kelley wrote: > The comment about Hyper-V accessors is unclear regarding their > potential use in x2apic mode, as is the associated commit message > in e211288b72f1. Clarify that while the architectural and > synthetic MSRs are equivalent in x2apic mode, the full set of xapic > accessors cannot be used because of register layout differences. > > Fixes: e211288b72f1 ("x86/hyperv: Make vapic support x2apic mode") > Signed-off-by: Michael Kelley Applied to hyperv-fixes. Thanks.