linux-kernel - Re: [PATCH 16/20] x86/tdx: Convert VP_INFO tdcall to use new TDCALL

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Message-ID: <ca2adcf7-5708-4142-bdd5-8700b98b4a5b@intel.com>
Date: Fri, 17 May 2024 08:57:10 -0700
From: Dave Hansen <dave.hansen@...el.com>
To: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
 Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini
 <pbonzini@...hat.com>, Dave Hansen <dave.hansen@...ux.intel.com>,
 Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
 Borislav Petkov <bp@...en8.de>, x86@...nel.org,
 "H. Peter Anvin" <hpa@...or.com>, "K. Y. Srinivasan" <kys@...rosoft.com>,
 Haiyang Zhang <haiyangz@...rosoft.com>, Wei Liu <wei.liu@...nel.org>,
 Dexuan Cui <decui@...rosoft.com>, Josh Poimboeuf <jpoimboe@...nel.org>,
 Peter Zijlstra <peterz@...radead.org>
Cc: linux-coco@...ts.linux.dev, linux-kernel@...r.kernel.org,
 linux-hyperv@...r.kernel.org
Subject: Re: [PATCH 16/20] x86/tdx: Convert VP_INFO tdcall to use new
 TDCALL_5() macro

On 5/17/24 07:19, Kirill A. Shutemov wrote:
> -	/*
> -	 * TDINFO TDX module call is used to get the TD execution environment
> -	 * information like GPA width, number of available vcpus, debug mode
> -	 * information, etc. More details about the ABI can be found in TDX
> -	 * Guest-Host-Communication Interface (GHCI), section 2.4.2 TDCALL
> -	 * [TDG.VP.INFO].
> -	 */
> -	tdcall(TDG_VP_INFO, &args);
> +	tdg_vp_info(&gpa_width, &td_attr);

Why is the comment going away?