From: "David Hildenbrand (Red Hat)" <david@kernel.org>
To: Borislav Petkov <bp@alien8.de>
Cc: Kiryl Shutsemau <kas@kernel.org>,
"Pratik R. Sampat" <prsampat@amd.com>,
linux-mm@kvack.org, linux-coco@lists.linux.dev,
linux-efi@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, tglx@linutronix.de,
mingo@redhat.com, dave.hansen@linux.intel.com, ardb@kernel.org,
akpm@linux-foundation.org, osalvador@suse.de,
thomas.lendacky@amd.com, michael.roth@amd.com
Subject: Re: [RFC PATCH 2/4] mm: Add support for unaccepted memory hotplug
Date: Mon, 1 Dec 2025 21:10:26 +0100 [thread overview]
Message-ID: <dcccdc4b-b7d7-47c4-b1b1-a6c70edb20fa@kernel.org> (raw)
In-Reply-To: <20251201191036.GEaS3oLBY8PEuE91Ap@fat_crate.local>
On 12/1/25 20:10, Borislav Petkov wrote:
> On Mon, Dec 01, 2025 at 07:32:38PM +0100, David Hildenbrand (Red Hat) wrote:
>> I think we are in agreement: from what I recall, this software contract used to be
>> rather simple and stable.
>
> Ok, please point me to the *explicit* document in our tree which says: "we
> won't break the kernel and support kexec with any kernel version"?
Just to be clear, I don't think it exist and also I don't think that it
should exist.
>
> Something ala Documentation/process/stable-api-nonsense.rst
>
> Which says things like:
>
> "Assuming that we had a stable kernel source interface for the kernel,
> a binary interface would naturally happen too, right? Wrong."
>
> Which I read as a "no" to the kexec question too.
>
> IOW, it is not about whether it works or not - it is about enforcing that.
Agreed.
--
Cheers
David
next prev parent reply other threads:[~2025-12-01 20:10 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-25 17:57 [RFC PATCH 0/4] SEV-SNP Unaccepted Memory Hotplug Pratik R. Sampat
2025-11-25 17:57 ` [RFC PATCH 1/4] efi/libstub: Decouple memory bitmap from the unaccepted table Pratik R. Sampat
2025-11-26 11:08 ` Kiryl Shutsemau
2025-11-26 22:27 ` Pratik R. Sampat
2025-11-27 17:29 ` Kiryl Shutsemau
2025-11-25 17:57 ` [RFC PATCH 2/4] mm: Add support for unaccepted memory hotplug Pratik R. Sampat
2025-11-26 11:12 ` Kiryl Shutsemau
2025-11-26 22:27 ` Pratik R. Sampat
2025-11-27 17:40 ` Kiryl Shutsemau
2025-11-28 9:34 ` David Hildenbrand (Red Hat)
2025-12-01 17:15 ` Pratik R. Sampat
2025-12-01 18:25 ` David Hildenbrand (Red Hat)
2025-12-01 19:35 ` Pratik R. Sampat
2025-12-01 17:15 ` Pratik R. Sampat
2025-12-01 17:48 ` Kiryl Shutsemau
2025-12-01 17:58 ` Pratik R. Sampat
2025-11-26 22:31 ` Borislav Petkov
2025-11-27 17:35 ` Kiryl Shutsemau
2025-11-27 18:12 ` Borislav Petkov
2025-11-28 9:30 ` David Hildenbrand (Red Hat)
2025-11-28 11:34 ` Borislav Petkov
2025-12-01 9:18 ` David Hildenbrand (Red Hat)
2025-12-01 11:12 ` Borislav Petkov
2025-12-01 18:32 ` David Hildenbrand (Red Hat)
2025-12-01 19:10 ` Borislav Petkov
2025-12-01 20:10 ` David Hildenbrand (Red Hat) [this message]
2025-12-01 20:25 ` Borislav Petkov
2025-12-01 20:36 ` David Hildenbrand (Red Hat)
2025-12-03 14:46 ` Kiryl Shutsemau
2025-12-03 15:58 ` Borislav Petkov
2025-12-03 15:00 ` Rik van Riel
2025-11-28 9:32 ` David Hildenbrand (Red Hat)
2025-12-01 17:21 ` Pratik R. Sampat
2025-12-01 18:36 ` David Hildenbrand (Red Hat)
2025-12-01 19:35 ` Pratik R. Sampat
2025-12-09 21:36 ` Pratik R. Sampat
2025-12-11 15:00 ` Kiryl Shutsemau
2025-12-11 22:07 ` Pratik R. Sampat
2025-11-25 17:57 ` [RFC PATCH 3/4] x86/sev: Introduce hotplug-aware SNP page state validation Pratik R. Sampat
2025-11-25 17:57 ` [RFC PATCH 4/4] mm: Add support for unaccepted memory hot-remove Pratik R. Sampat
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=dcccdc4b-b7d7-47c4-b1b1-a6c70edb20fa@kernel.org \
--to=david@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=ardb@kernel.org \
--cc=bp@alien8.de \
--cc=dave.hansen@linux.intel.com \
--cc=kas@kernel.org \
--cc=linux-coco@lists.linux.dev \
--cc=linux-efi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=michael.roth@amd.com \
--cc=mingo@redhat.com \
--cc=osalvador@suse.de \
--cc=prsampat@amd.com \
--cc=tglx@linutronix.de \
--cc=thomas.lendacky@amd.com \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.