linux-kernel - Re: [PATCH v4 02/11] x86/startup_64: Replace pointer fixups with RIP-relative references

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Message-ID: <20240219095530.GBZdMlkgf_jzDxM8XR@fat_crate.local>
Date: Mon, 19 Feb 2024 10:55:30 +0100
From: Borislav Petkov <bp@...en8.de>
To: Ard Biesheuvel <ardb@...nel.org>
Cc: Ard Biesheuvel <ardb+git@...gle.com>, linux-kernel@...r.kernel.org,
	Kevin Loughlin <kevinloughlin@...gle.com>,
	Tom Lendacky <thomas.lendacky@....com>,
	Dionna Glaze <dionnaglaze@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Andy Lutomirski <luto@...nel.org>, Arnd Bergmann <arnd@...db.de>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	Kees Cook <keescook@...omium.org>, Brian Gerst <brgerst@...il.com>,
	linux-arch@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH v4 02/11] x86/startup_64: Replace pointer fixups with
 RIP-relative references

On Sat, Feb 17, 2024 at 05:10:27PM +0100, Ard Biesheuvel wrote:
> Maybe this is better?

Yap, looks better.

Btw, when you paste those diffs ontop, can pls make sure you paste them
in applicable form so that I can apply them and look at them in detail?

gmail mangles them:

> +
> +               pgd[pgd_index(__START_KERNEL_map)] = (pgdval_t)p4d |
> _PAGE_TABLE_NOENC;

For example, linebreak here.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette