linux-kernel - Re: [PATCH 0/2] vPMU code refines

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Date: Mon, 6 May 2024 09:37:27 +0800
From: "Mi, Dapeng" <dapeng1.mi@...ux.intel.com>
To: Mingwei Zhang <mizhang@...gle.com>
Cc: Sean Christopherson <seanjc@...gle.com>,
 Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
 linux-kernel@...r.kernel.org, Jim Mattson <jmattson@...gle.com>,
 Xiong Zhang <xiong.y.zhang@...el.com>, Zhenyu Wang
 <zhenyuw@...ux.intel.com>, Like Xu <like.xu.linux@...il.com>,
 Jinrong Liang <cloudliang@...cent.com>, Dapeng Mi <dapeng1.mi@...el.com>
Subject: Re: [PATCH 0/2] vPMU code refines


On 5/1/2024 2:15 AM, Mingwei Zhang wrote:
> On Mon, Apr 29, 2024 at 5:45 PM Dapeng Mi <dapeng1.mi@...ux.intel.com> wrote:
>> This small patchset refines the ambiguous naming in kvm_pmu structure
>> and use macros instead of magic numbers to manipulate FIXED_CTR_CTRL MSR
>> to increase readability.
>>
>> No logic change is introduced in this patchset.
>>
>> Dapeng Mi (2):
>>   KVM: x86/pmu: Change ambiguous _mask suffix to _rsvd in kvm_pmu
> So, it looks like the 1st patch is also in the upcoming RFCv2 for
> mediated passthrough vPMU. I will remove that from my list then.

Mingwei, we'd better keep this patch in RFCv2 until the this patchset is
merged, then we don't rebase it again when this patch is merged. Thanks.


> Thanks. Regards
> -Mingwei
>
>>   KVM: x86/pmu: Manipulate FIXED_CTR_CTRL MSR with macros
>>
>>  arch/x86/include/asm/kvm_host.h | 10 ++++-----
>>  arch/x86/kvm/pmu.c              | 26 ++++++++++++------------
>>  arch/x86/kvm/pmu.h              |  8 +++++---
>>  arch/x86/kvm/svm/pmu.c          |  4 ++--
>>  arch/x86/kvm/vmx/pmu_intel.c    | 36 +++++++++++++++++++--------------
>>  5 files changed, 46 insertions(+), 38 deletions(-)
>>
>>
>> base-commit: 7b076c6a308ec5bce9fc96e2935443ed228b9148
>> --
>> 2.40.1
>>