linux-kernel - Re: [PATCH v9 11/22] KVM: x86: Add a helper to detect if FRED is enabled for a vCPU

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Message-Id: <CD8A1085-1450-480C-B6F9-F0DF5BD9B95F@zytor.com>
Date: Wed, 21 Jan 2026 14:38:00 -0800
From: Xin Li <xin@...or.com>
To: Sean Christopherson <seanjc@...gle.com>
Cc: Binbin Wu <binbin.wu@...ux.intel.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, linux-doc@...r.kernel.org, pbonzini@...hat.com,
        corbet@....net, tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
        luto@...nel.org, peterz@...radead.org, andrew.cooper3@...rix.com,
        chao.gao@...el.com, hch@...radead.org, sohil.mehta@...el.com
Subject: Re: [PATCH v9 11/22] KVM: x86: Add a helper to detect if FRED is
 enabled for a vCPU


> On Jan 21, 2026, at 12:24 PM, Sean Christopherson <seanjc@...gle.com> wrote:
> 
> Subject: [PATCH 13/28] KVM: x86: Add a helper to detect if FRED is enabled for
> a vCPU
> 
> Add is_fred_enabled() to detect if FRED is enabled on a vCPU.

Yeah, you won ;)

> 
> Signed-off-by: Xin Li <xin3.li@...el.com>
> Tested-by: Shan Kang <shan.kang@...el.com>
> Signed-off-by: Sean Christopherson <seanjc@...gle.com>