linux-kernel - Re: [PATCH v9 02/18] x86/apic: Initialize Secure AVIC APIC backing page

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Message-ID: <20250815210559.GIaJ-hN2LMGQQyqVtI@fat_crate.local>
Date: Fri, 15 Aug 2025 23:05:59 +0200
From: Borislav Petkov <bp@...en8.de>
To: "Upadhyay, Neeraj" <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,
	kirill.shutemov@...ux.intel.com, huibo.wang@....com,
	naveen.rao@....com, francescolavra.fl@...il.com,
	tiala@...rosoft.com
Subject: Re: [PATCH v9 02/18] x86/apic: Initialize Secure AVIC APIC backing
 page

On Fri, Aug 15, 2025 at 06:46:55PM +0530, Upadhyay, Neeraj wrote:
> There are four new functions. So, do I need to put them in new
> arch/x86/coco/sev/savic.c file?
> 
> savic_register_gpa()
> savic_unregister_gpa()
> savic_ghcb_msr_read()
> savic_ghcb_msr_write()

Lemme go through the set first.

Those last two, for example: we're adding more MSR handling routines related
to SEV and this is slowly getting out of hand.  But lemme look first.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette