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

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Message-ID: <CAMj1kXG0uwH7SDq3HK6cKqoq5V28e54r2PdeJ=MH5eexXnV6Ew@mail.gmail.com>
Date: Mon, 19 Feb 2024 11:45:02 +0100
From: Ard Biesheuvel <ardb@...nel.org>
To: Borislav Petkov <bp@...en8.de>
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 Mon, 19 Feb 2024 at 10:56, Borislav Petkov <bp@...en8.de> wrote:
>
> 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.
>

Yeah, sorry about that.