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 09:32:34 +0800 Message-ID: <55FA1832.3040008@linaro.org> References: <1441961715-11688-1-git-send-email-zhaoshenglong@huawei.com> <55F9D9FC.6010905@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, marc.zyngier@arm.com, christoffer.dall@linaro.org, will.deacon@arm.com, alex.bennee@linaro.org, peter.huangpeng@huawei.com To: Wei Huang , Shannon Zhao , kvmarm@lists.cs.columbia.edu Return-path: Received: from mail-wi0-f174.google.com ([209.85.212.174]:34529 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752854AbbIQBcn (ORCPT ); Wed, 16 Sep 2015 21:32:43 -0400 Received: by wicfx3 with SMTP id fx3so3801684wic.1 for ; Wed, 16 Sep 2015 18:32:42 -0700 (PDT) In-Reply-To: <55F9D9FC.6010905@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: 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". Thanks, [1] http://marc.info/?l=linaro-acpi&m=137949337925645&w=2 -- Shannon