linux-kernel - Re: [PATCH v9 16/18] x86/apic: Enable Secure AVIC in Control MSR

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Message-ID: <20250825155420.GBaKyHLA70ShAp_s8d@fat_crate.local>
Date: Mon, 25 Aug 2025 17:54:30 +0200
From: Borislav Petkov <bp@...en8.de>
To: Neeraj Upadhyay <Neeraj.Upadhyay@....com>
Cc: linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...hat.com,
	dave.hansen@...ux.intel.com, Thomas.Lendacky@....com,
	nikunj@....com, Santosh.Shukla@....com, Vasant.Hegde@....com,
	Suravee.Suthikulpanit@....com, David.Kaplan@....com, x86@...nel.org,
	hpa@...or.com, peterz@...radead.org, seanjc@...gle.com,
	pbonzini@...hat.com, kvm@...r.kernel.org, huibo.wang@....com,
	naveen.rao@....com, francescolavra.fl@...il.com,
	tiala@...rosoft.com
Subject: Re: [PATCH v9 16/18] x86/apic: Enable Secure AVIC in Control MSR

On Mon, Aug 11, 2025 at 03:14:42PM +0530, Neeraj Upadhyay wrote:
>  #define MSR_AMD64_SNP_RESV_BIT		19
>  #define MSR_AMD64_SNP_RESERVED_MASK	GENMASK_ULL(63, MSR_AMD64_SNP_RESV_BIT)
>  #define MSR_AMD64_SECURE_AVIC_CONTROL	0xc0010138
> +#define MSR_AMD64_SECURE_AVIC_EN_BIT	0
> +#define MSR_AMD64_SECURE_AVIC_EN	BIT_ULL(MSR_AMD64_SECURE_AVIC_EN_BIT)

..._SAVIC_...

-- 
Regards/Gruss,
    Boris.

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