linux-kernel - Re: [PATCH] x86/sev: Make SEV

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Message-ID: <efbnludlccxde7bwt64faajkmadufyolcetl5at3anmvy5mi36@5q6zdzmwtvae>
Date: Thu, 6 Mar 2025 15:36:02 +0200
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To: Borislav Petkov <bp@...en8.de>
Cc: Joerg Roedel <joro@...tes.org>, Dave Hansen <dave.hansen@...el.com>, 
	Joerg Roedel <jroedel@...e.de>, Ingo Molnar <mingo@...nel.org>, x86@...nel.org, hpa@...or.com, 
	Tom Lendacky <thomas.lendacky@....com>, Nikunj A Dadhania <nikunj@....com>, linux-kernel@...r.kernel.org, 
	Larry.Dewey@....com, "Alexey Gladkov (Intel)" <alexey.gladkov@...el.com>
Subject: Re: [PATCH] x86/sev: Make SEV_STATUS available via SYSFS

On Thu, Mar 06, 2025 at 11:31:19AM +0100, Borislav Petkov wrote:
> On Thu, Mar 06, 2025 at 09:38:21AM +0100, Joerg Roedel wrote:
> > On Thu, Mar 06, 2025 at 10:01:17AM +0200, Kirill A. Shutemov wrote:
> > > Alexey looking into exposing TDX module version in sysfs for both guest
> > > and host.
> > > 
> > > I think it would be useful for guest to make attributes and TD_CTLS
> > > available via sysfs. So far, we only dump them in dmesg on boot (see
> > > 564ea84c8c14).
> > 
> > Okay, do you have ideas already on where to put this information in
> > SYSFS?
> 
> Right, I was thinking about it: sysfs does a one-datum-per-file thing and that
> would go nuts very quickly.

I think we should be pretty use to one-datum-per-file thing by now.
I don't see why coco case is special.

-- 
  Kiryl Shutsemau / Kirill A. Shutemov