linux-kernel - Re: [PATCH v2 05/15] KVM: vmx/pmu: Emulate MSR_ARCH_LBR

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Message-ID: <10275797-aedb-5ad6-1b6e-6cee06a81733@intel.com>
Date:   Sun, 25 Dec 2022 12:30:02 +0800
From:   "Yang, Weijiang" <weijiang.yang@...el.com>
To:     Like Xu <like.xu.linux@...il.com>
CC:     <kan.liang@...ux.intel.com>, <wei.w.wang@...el.com>,
        <seanjc@...gle.com>, <pbonzini@...hat.com>, <jmattson@...gle.com>,
        <kvm@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 05/15] KVM: vmx/pmu: Emulate MSR_ARCH_LBR_DEPTH for
 guest Arch LBR


On 12/22/2022 7:00 PM, Like Xu wrote:
> On 25/11/2022 12:05 pm, Yang Weijiang wrote:
>> @@ -571,6 +571,9 @@ struct kvm_pmu {
>>        * redundant check before cleanup if guest don't use vPMU at all.
>>        */
>>       u8 event_count;
>> +
>> +    /* Guest arch lbr depth supported by KVM. */
>> +    u64 kvm_arch_lbr_depth;
>
> Please drop the "kvm_" prefix for per-vcpu "struct kvm_pmu".


OK, will remove it.



>
>>   };