linux-kernel - Re: x86_64 32-bit EFI mixed mode boot broken

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Message-ID: <2a15095b2b6343f63e228443d9fd3f35872b6d09@craftyguy.net>
Date: Sun, 24 Mar 2024 05:53:52 +0000
From: "Clayton Craft" <clayton@...ftyguy.net>
To: "Ard Biesheuvel" <ardb@...nel.org>
Cc: "Hans de Goede" <hdegoede@...hat.com>, x86@...nel.org,
 linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org, "Thomas
 Gleixner" <tglx@...utronix.de>, "Ingo Molnar" <mingo@...hat.com>,
 "Borislav Petkov" <bp@...en8.de>, "Dave Hansen"
 <dave.hansen@...ux.intel.com>, regressions@...ts.linux.dev
Subject: Re: x86_64 32-bit EFI mixed mode boot broken

March 23, 2024 at 10:18 AM, "Ard Biesheuvel" <ardb@...nel.org> wrote:
> On Sat, 23 Mar 2024 at 14:39, Ard Biesheuvel <ardb@...nel.org> wrote:
> > 
> >  OK.
> > 
> >  I have reshuffled the branch and put the patch you identified as the
> > 
> >  one fixing the boot first. Please double check whether this change
> > 
> >  still fixes the boot for you.
> > 
> >  https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/log/?h=efi-clayton-2
> > 
> >  If so, we can try applying it to mainline, and merge it if it works there too.

This branch boots on my Bay Trail systems.


> I have a mainline branch with the same change applied, please try that one too.

I assume this is the `efi-mixed-mode-boot-hack` branch, if so then this branch also boots on these systems.

-Clayton