linux-kernel - Re: [PATCHv8 06/17] x86/mm: Make x86_platform.guest.enc_status_change

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Message-ID: <b5045aac-e0d9-4ef4-b06e-0e7c01c2d63d@intel.com>
Date: Wed, 28 Feb 2024 12:33:02 +1300
From: "Huang, Kai" <kai.huang@...el.com>
To: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>, Thomas Gleixner
	<tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov
	<bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, <x86@...nel.org>
CC: "Rafael J. Wysocki" <rafael@...nel.org>, Peter Zijlstra
	<peterz@...radead.org>, Adrian Hunter <adrian.hunter@...el.com>, "Kuppuswamy
 Sathyanarayanan" <sathyanarayanan.kuppuswamy@...ux.intel.com>, Elena
 Reshetova <elena.reshetova@...el.com>, Jun Nakajima <jun.nakajima@...el.com>,
	"Rick Edgecombe" <rick.p.edgecombe@...el.com>, Tom Lendacky
	<thomas.lendacky@....com>, "Kalra, Ashish" <ashish.kalra@....com>, "Sean
 Christopherson" <seanjc@...gle.com>, Baoquan He <bhe@...hat.com>,
	<kexec@...ts.infradead.org>, <linux-coco@...ts.linux.dev>,
	<linux-kernel@...r.kernel.org>, Dave Hansen <dave.hansen@...el.com>
Subject: Re: [PATCHv8 06/17] x86/mm: Make
 x86_platform.guest.enc_status_change_*() return errno



On 28/02/2024 10:24 am, Kirill A. Shutemov wrote:
> TDX is going to have more than one reason to fail
> enc_status_change_prepare().
> 
> Change the callback to return errno instead of assuming -EIO;
> enc_status_change_finish() changed too to keep the interface symmetric.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> Reviewed-by: Dave Hansen <dave.hansen@...el.com>
> ---

Acked-by: Kai Huang <kai.huang@...el.com>