From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Zyngier Subject: Re: [PATCH v8 02/20] KVM: ARM64: Define PMU data structure for each vcpu Date: Thu, 07 Jan 2016 10:21:45 +0000 Message-ID: <568E3C39.2020909@arm.com> References: <1450771695-11948-1-git-send-email-zhaoshenglong@huawei.com> <1450771695-11948-3-git-send-email-zhaoshenglong@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 37D3F412A6 for ; Thu, 7 Jan 2016 05:18:09 -0500 (EST) Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id SKvM6ubB5F2n for ; Thu, 7 Jan 2016 05:18:07 -0500 (EST) Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 171E1412A2 for ; Thu, 7 Jan 2016 05:18:07 -0500 (EST) In-Reply-To: <1450771695-11948-3-git-send-email-zhaoshenglong@huawei.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: Shannon Zhao , kvmarm@lists.cs.columbia.edu, christoffer.dall@linaro.org Cc: kvm@vger.kernel.org, will.deacon@arm.com, shannon.zhao@linaro.org, linux-arm-kernel@lists.infradead.org List-Id: kvmarm@lists.cs.columbia.edu On 22/12/15 08:07, Shannon Zhao wrote: > From: Shannon Zhao > > Here we plan to support virtual PMU for guest by full software > emulation, so define some basic structs and functions preparing for > futher steps. Define struct kvm_pmc for performance monitor counter and > struct kvm_pmu for performance monitor unit for each vcpu. According to > ARMv8 spec, the PMU contains at most 32(ARMV8_MAX_COUNTERS) counters. > > Since this only supports ARM64 (or PMUv3), add a separate config symbol > for it. > > Signed-off-by: Shannon Zhao Acked-by: Marc Zyngier M. -- Jazz is not dead. It just smells funny...