From: Alexey Gladkov <legion@kernel.org>
To: Borislav Petkov <bp@alien8.de>
Cc: "Jürgen Groß" <jgross@suse.com>, "Joerg Roedel" <joro@8bytes.org>,
"Alexey Gladkov (Intel)" <alexey.gladkov@intel.com>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
"Dave Hansen" <dave.hansen@intel.com>,
"Joerg Roedel" <jroedel@suse.de>,
"Ingo Molnar" <mingo@kernel.org>,
x86@kernel.org, hpa@zytor.com,
"Tom Lendacky" <thomas.lendacky@amd.com>,
"Nikunj A Dadhania" <nikunj@amd.com>,
linux-kernel@vger.kernel.org, Larry.Dewey@amd.com
Subject: Re: [PATCH] x86/sev: Make SEV_STATUS available via SYSFS
Date: Mon, 10 Mar 2025 16:50:13 +0100 [thread overview]
Message-ID: <Z88KNWJ-6SsT4NPZ@example.org> (raw)
In-Reply-To: <20250310154152.GQZ88IQLEHoAi0HLdU@fat_crate.local>
On Mon, Mar 10, 2025 at 04:41:52PM +0100, Borislav Petkov wrote:
> On Mon, Mar 10, 2025 at 04:33:08PM +0100, Jürgen Groß wrote:
> > Kind of.
> >
> > /sys/hypervisor is meant to provide data for running under a hypervisor.
> >
> > It is NOT meant to provide data for running as a hypervisor.
>
> Hah.
>
> Which would mean that
>
> /sys/hypervisor == /sys/guest
>
> the way we envision it.
>
> Do we need to dump all the HV levels in it?
Hm. We already have:
/sys/hypervisor/type (Type of hypervisor)
/sys/hypervisor/guest_type (Type of guest)
I don't really understand how you propose to locate the files for host and
guest and what you propose to put in /sys/guest.
> I think Joerg wants to dump the fact that there's an SVSM present. I guess we
> can dump the "stack" of "things" running under Linux as you suggest it.
>
> Hmmm.
>
> --
> Regards/Gruss,
> Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette
>
--
Rgrds, legion
next prev parent reply other threads:[~2025-03-10 15:50 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-05 10:52 [PATCH] x86/sev: Make SEV_STATUS available via SYSFS Joerg Roedel
2025-03-05 11:11 ` [tip: x86/sev] " tip-bot2 for Joerg Roedel
2025-03-05 11:12 ` [PATCH] " Borislav Petkov
2025-03-05 11:26 ` Ingo Molnar
2025-03-05 11:31 ` Borislav Petkov
2025-03-05 11:35 ` Juergen Gross
2025-03-05 11:41 ` Borislav Petkov
2025-03-05 11:48 ` Jürgen Groß
2025-03-05 11:53 ` Borislav Petkov
2025-03-05 11:42 ` Ingo Molnar
2025-03-05 11:50 ` Borislav Petkov
2025-03-05 13:56 ` Joerg Roedel
2025-03-05 15:37 ` Borislav Petkov
2025-03-05 16:37 ` Dave Hansen
2025-03-05 16:40 ` Dave Hansen
2025-03-05 16:55 ` Borislav Petkov
2025-03-05 17:09 ` Dave Hansen
2025-03-05 17:51 ` Joerg Roedel
2025-03-05 20:07 ` Borislav Petkov
2025-03-06 8:01 ` Kirill A. Shutemov
2025-03-06 8:38 ` Joerg Roedel
2025-03-06 10:31 ` Borislav Petkov
2025-03-06 13:36 ` Kirill A. Shutemov
2025-03-06 13:56 ` Borislav Petkov
2025-03-06 10:37 ` Alexey Gladkov (Intel)
2025-03-10 10:28 ` Joerg Roedel
2025-03-10 11:02 ` Borislav Petkov
2025-03-10 12:46 ` Joerg Roedel
2025-03-10 13:36 ` Borislav Petkov
2025-03-10 11:24 ` Alexey Gladkov
2025-03-10 12:28 ` Juergen Gross
2025-03-10 12:35 ` Joerg Roedel
2025-03-10 12:49 ` Juergen Gross
2025-03-10 13:38 ` Borislav Petkov
2025-03-10 14:39 ` Tom Lendacky
2025-03-10 14:50 ` Alexey Gladkov
2025-03-10 15:11 ` Borislav Petkov
2025-03-10 15:33 ` Jürgen Groß
2025-03-10 15:41 ` Borislav Petkov
2025-03-10 15:50 ` Alexey Gladkov [this message]
2025-03-10 15:43 ` Alexey Gladkov
2025-03-10 15:52 ` Juergen Gross
2025-03-10 15:55 ` Borislav Petkov
2025-03-10 16:00 ` Juergen Gross
2025-03-10 16:06 ` Borislav Petkov
2025-03-10 16:23 ` Jürgen Groß
2025-03-10 16:05 ` Alexey Gladkov
2025-03-11 9:43 ` Joerg Roedel
2025-03-11 10:22 ` Jürgen Groß
2025-03-11 11:07 ` Borislav Petkov
2025-03-11 11:14 ` Juergen Gross
2025-03-11 18:24 ` Alexey Gladkov
2025-03-11 18:40 ` Joerg Roedel
2025-03-11 20:37 ` Alexey Gladkov
2025-03-12 7:19 ` Kirill A. Shutemov
2025-03-12 8:23 ` Joerg Roedel
2025-03-12 8:48 ` Kirill A. Shutemov
2025-03-12 9:07 ` Joerg Roedel
2025-03-12 10:59 ` Kirill A. Shutemov
2025-03-12 11:44 ` Joerg Roedel
2025-03-11 18:13 ` Alexey Gladkov
2025-03-05 13:50 ` Joerg Roedel
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