From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: [PATCH v4 01/17] Xen: ACPI: Hide UART used by Xen Date: Sat, 6 Feb 2016 11:23:07 +0100 Message-ID: References: <1454641552-12576-1-git-send-email-zhaoshenglong@huawei.com> <1454641552-12576-2-git-send-email-zhaoshenglong@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1454641552-12576-2-git-send-email-zhaoshenglong@huawei.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Shannon Zhao Cc: Mark Rutland , "devicetree@vger.kernel.org" , linux-efi@vger.kernel.org, ian.campbell@citrix.com, ard.biesheuvel@linaro.org, Catalin Marinas , Will Deacon , Linux Kernel Mailing List , xen-devel@lists.xen.org, julien.grall@citrix.com, "open list:ACPI" , stefano.stabellini@citrix.com, david.vrabel@citrix.com, peter.huangpeng@huawei.com, Len Brown , "Rafael J. Wysocki" , "linux-arm-kernel@lists.infradead.org" , Shannon Zhao List-Id: xen-devel@lists.xenproject.org On Fri, Feb 5, 2016 at 4:05 AM, Shannon Zhao wrote: > From: Shannon Zhao > > ACPI 6.0 introduces a new table STAO to list the devices which are used > by Xen and can't be used by Dom0. On Xen virtual platforms, the physical > UART is used by Xen. So here it hides UART from Dom0. > > Signed-off-by: Shannon Zhao > Reviewed-by: Stefano Stabellini Well, this doesn't look right to me. We need to find a nicer way to achieve what you want. Thanks, Rafael