Linux EFI development
 help / color / mirror / Atom feed
From: Ingo Molnar <mingo@kernel.org>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Dionna Amalie Glaze <dionnaglaze@google.com>,
	Ard Biesheuvel <ardb@kernel.org>,
	Ard Biesheuvel <ardb+git@google.com>,
	linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org,
	x86@kernel.org, Tom Lendacky <thomas.lendacky@amd.com>,
	Borislav Petkov <bp@alien8.de>,
	Kevin Loughlin <kevinloughlin@google.com>
Subject: Re: [PATCH v2 3/3] x86/boot: Implement early memory acceptance for SEV-SNP
Date: Mon, 7 Apr 2025 18:44:24 +0200	[thread overview]
Message-ID: <Z_QA6GwqoxdW6D0e@gmail.com> (raw)
In-Reply-To: <ldrma6tce2bwhenu5kobjzvk7cz445ubfmpcynwadqudgvzuh3@aibigcdzui6m>


* Kirill A. Shutemov <kirill.shutemov@linux.intel.com> wrote:

> On Fri, Apr 04, 2025 at 08:07:03AM -0700, Dionna Amalie Glaze wrote:
> > If the GHCB is available, we should always prefer it.
> 
> I believe we should consider the cost of code duplication in this
> situation.
> 
> If the non-early version is only used in the kexec path, it will not be
> tested as frequently and could be more easily broken. I think it would be
> acceptable for kexec to be slightly slower if it results in more
> maintainable code.

Absolutely so.

Thanks,

	Ingo

  reply	other threads:[~2025-04-07 16:44 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-04  8:29 [PATCH v2 0/3] efistub/x86: Fix early SEV-SNP memory acceptance Ard Biesheuvel
2025-04-04  8:29 ` [PATCH v2 1/3] x86/boot: Move accept_memory() into decompressor Ard Biesheuvel
2025-04-04  8:29 ` [PATCH v2 2/3] x86/boot: Use separate API for memory acceptance in the EFI stub Ard Biesheuvel
2025-04-04  8:29 ` [PATCH v2 3/3] x86/boot: Implement early memory acceptance for SEV-SNP Ard Biesheuvel
2025-04-04  8:43   ` Kirill A. Shutemov
2025-04-04  8:46     ` Ard Biesheuvel
2025-04-04 15:07       ` Dionna Amalie Glaze
2025-04-07  9:25         ` Kirill A. Shutemov
2025-04-07 16:44           ` Ingo Molnar [this message]
2025-04-07 17:21             ` Ard Biesheuvel
2025-04-07 17:33               ` Kirill A. Shutemov
2025-04-07 17:45                 ` Ard Biesheuvel
2025-04-07 21:08                   ` Kirill A. Shutemov
2025-04-07 18:05           ` Tom Lendacky
2025-04-07 19:59             ` Ard Biesheuvel
2025-04-08 15:53               ` Tom Lendacky
2025-04-10 13:28                 ` Ard Biesheuvel

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=Z_QA6GwqoxdW6D0e@gmail.com \
    --to=mingo@kernel.org \
    --cc=ardb+git@google.com \
    --cc=ardb@kernel.org \
    --cc=bp@alien8.de \
    --cc=dionnaglaze@google.com \
    --cc=kevinloughlin@google.com \
    --cc=kirill.shutemov@linux.intel.com \
    --cc=linux-efi@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox