linux-kernel - Re: [PATCH v3 0/2] x86: enforce and cleanup RIP-relative accesses in early boot code

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Message-ID: <20240203112526.GGZb4iphr6YR5f5QNf@fat_crate.local>
Date: Sat, 3 Feb 2024 12:25:26 +0100
From: Borislav Petkov <bp@...en8.de>
To: Ard Biesheuvel <ardb@...nel.org>
Cc: Kevin Loughlin <kevinloughlin@...gle.com>,
	Jacob Xu <jacobhxu@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	Tom Lendacky <thomas.lendacky@....com>,
	Pankaj Gupta <pankaj.gupta@....com>,
	Hou Wenlong <houwenlong.hwl@...group.com>,
	Dionna Glaze <dionnaglaze@...gle.com>,
	Brijesh Singh <brijesh.singh@....com>,
	Michael Roth <michael.roth@....com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
	linux-coco@...ts.linux.dev, Ashish Kalra <ashish.kalra@....com>,
	Andi Kleen <ak@...ux.intel.com>, Adam Dunlap <acdunlap@...gle.com>,
	Peter Gonda <pgonda@...gle.com>,
	Sidharth Telang <sidtelang@...gle.com>
Subject: Re: [PATCH v3 0/2] x86: enforce and cleanup RIP-relative accesses in
 early boot code

On Sat, Feb 03, 2024 at 11:27:19AM +0100, Ard Biesheuvel wrote:
> The minimal fix doesn't look that bad IMHO. Note that this version is
> based on your patch that removes
> CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT, and we'd need to see whether
> or not to backport that as well.

Ok, please send it formally so that I can take a look.

Thx.

-- 
Regards/Gruss,
    Boris.

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