Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   "Wang, Wei W" <wei.w.wang@intel.com>
To:     'Andi Kleen' <ak@linux.intel.com>
CC:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
        "pbonzini@redhat.com" <pbonzini@redhat.com>,
        "peterz@infradead.org" <peterz@infradead.org>,
        "Liang, Kan" <kan.liang@intel.com>,
        "mingo@redhat.com" <mingo@redhat.com>,
        "rkrcmar@redhat.com" <rkrcmar@redhat.com>,
        "Xu, Like" <like.xu@intel.com>,
        "jannh@google.com" <jannh@google.com>,
        "arei.gonglei@huawei.com" <arei.gonglei@huawei.com>
Subject: RE: [PATCH v4 10/10] KVM/x86/lbr: lazy save the guest lbr stack II
Thread-Topic: [PATCH v4 10/10] KVM/x86/lbr: lazy save the guest lbr stack II
Thread-Index: AQHUniYnosbASFYAAUWmc2TR8BYeAaWTpJng
Date:   Sat, 29 Dec 2018 04:25:12 +0000
Message-ID: <286AC319A985734F985F78AFA26841F73DEEAFE6@shsmsx102.ccr.corp.intel.com>
References: <1545816338-1171-1-git-send-email-wei.w.wang@intel.com>
 <1545816338-1171-11-git-send-email-wei.w.wang@intel.com>
 <20181227205258.GH25620@tassilo.jf.intel.com>
In-Reply-To: <20181227205258.GH25620@tassilo.jf.intel.com>
Accept-Language: en-US
Content-Language: en-US
dlp-product: dlpe-windows
dlp-version: 11.0.400.15
dlp-reaction: no-action
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 8BIT
MIME-Version: 1.0
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Friday, December 28, 2018 4:53 AM, Andi Kleen wrote:
> Actually forgot one case.
> 
> In Arch Perfmon v4 the LBR freezing is also controlled through a
> GLOBAL_CTRL bit.
> I didn't see any code handling that bit?

That GLOBAL_STATUS.LBR_FRZ bit hasn't been supported yet. I'll add that, thanks.

Best,
Wei