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

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Message-ID: <8a64ba697d719bc9750e6fffc268e194dfde16e5@craftyguy.net>
Date: Fri, 22 Mar 2024 19:34:12 +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 22, 2024 at 11:30 AM, "Ard Biesheuvel" <ardb@...nel.org> wrote:


> 
> On Fri, 22 Mar 2024 at 19:57, Clayton Craft <clayton@...ftyguy.net> wrote:
> 
> I have pushed a branch below that reverts the patch you identified in
> 
> 4 separate steps. Could you please check which step makes your system
> 
> boot again?
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/log/?h=efi-clayton
>

Thanks a lot for doing this, I really appreciate the help!

It looks like if I build from 868a7245, booting breaks again on my Bay Trail systems. If I put back 00e85ab5, they boot again.

-Clayton