From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shannon Zhao Subject: Re: [PATCH v2 00/22] KVM: ARM64: Add guest PMU support Date: Thu, 17 Sep 2015 17:35:26 +0800 Message-ID: <55FA895E.8080304@huawei.com> References: <1441961715-11688-1-git-send-email-zhaoshenglong@huawei.com> <55F9D9FC.6010905@redhat.com> <55FA1832.3040008@linaro.org> <20150917093007.GB5933@hawk.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: Wei Huang , , , , , To: Andrew Jones , Shannon Zhao Return-path: Received: from szxga01-in.huawei.com ([58.251.152.64]:47686 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753339AbbIQJjx (ORCPT ); Thu, 17 Sep 2015 05:39:53 -0400 In-Reply-To: <20150917093007.GB5933@hawk.localdomain> Sender: kvm-owner@vger.kernel.org List-ID: Hi Andrew, On 2015/9/17 17:30, Andrew Jones wrote: > On Thu, Sep 17, 2015 at 09:32:34AM +0800, Shannon Zhao wrote: >> > Hi Wei, >> > >> > On 2015/9/17 5:07, Wei Huang wrote: >>> > > I am testing this series. >> > Thanks for your time and help. >> > >>> > > The first question is: do you plan to add ACPI >>> > > support in QEMU? >> > To the completeness, this should be added. Maybe this could be added at >> > v3. But I have a look at the kernel PMU driver, it doesn't support >> > probing through ACPI, although there are some patches[1] out-of-tree. >> > >>> > > My in-house kernel uses ACPI for device probing. I had >>> > > to force "acpi=off" when I test this patch series. >> > Guest kernel only boots with ACPI when you add "acpi=force". No need to >> > add "acpi=off". > The Red Hat kernel uses ACPI by default, when tables are present (Thanks > again for your QEMU table generation patches!) > Oh, I see. Thanks for your explanation. -- Shannon