Re: [PATCH v4 08/19] KVM: VMX: Add support for FRED context save/restore

To: Sean Christopherson <seanjc@xxxxxxxxxx>
Subject: Re: [PATCH v4 08/19] KVM: VMX: Add support for FRED context save/restore
From: Xin Li <xin@xxxxxxxxx>
Date: Thu, 26 Jun 2025 10:22:20 -0700
Cc: pbonzini@xxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, corbet@xxxxxxx, tglx@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, bp@xxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, hpa@xxxxxxxxx, andrew.cooper3@xxxxxxxxxx, luto@xxxxxxxxxx, peterz@xxxxxxxxxxxxx, chao.gao@xxxxxxxxx, xin3.li@xxxxxxxxx
In-reply-to: <858a3c30-08ab-4b9b-b74c-a3917a247841@zytor.com>
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On 6/25/2025 10:18 AM, Xin Li wrote:

Maybe add helpers to deal with the preemption stuff? Oh, never mind,FRED
This is a good idea.

Do you want to upstream the following patch?


As I have almost done addressing your comments in my local repo, just
sent out the patch.

It's based on the latest kvm-x86/vmx branch.

Follow-Ups:
- Re: [PATCH v4 08/19] KVM: VMX: Add support for FRED context save/restore
  - From: Sean Christopherson

References:
- [PATCH v4 00/19] Enable FRED with KVM VMX
  - From: Xin Li (Intel)
- [PATCH v4 08/19] KVM: VMX: Add support for FRED context save/restore
  - From: Xin Li (Intel)
- Re: [PATCH v4 08/19] KVM: VMX: Add support for FRED context save/restore
  - From: Sean Christopherson
- Re: [PATCH v4 08/19] KVM: VMX: Add support for FRED context save/restore
  - From: Xin Li