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

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Date:   Thu, 22 Dec 2022 19:00:22 +0800
From:   Like Xu <like.xu.linux@...il.com>
To:     Yang Weijiang <weijiang.yang@...el.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 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".

>   };
>