linux-kernel - Re: [PATCH v3] x86: efi: Turn off efi_enabled after setup on mixed fw/kernel

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Date:	Thu, 25 Oct 2012 11:56:03 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Olof Johansson <olof@...om.net>
Cc:	hpa@...or.com, linux-kernel@...r.kernel.org,
	marko.kohtala@...il.com, Matthew Garrett <mjg@...hat.com>
Subject: Re: [PATCH v3] x86: efi: Turn off efi_enabled after setup on mixed
 fw/kernel

On Wed, 2012-10-24 at 10:00 -0700, Olof Johansson wrote:
> When 32-bit EFI is used with 64-bit kernel (or vice versa), turn off
> efi_enabled once setup is done. Beyond setup, it is normally used to
> determine if runtime services are available and we will have none.
> 
> This will resolve issues stemming from efivars modprobe panicking on a
> 32/64-bit setup, as well as some reboot issues on similar setups.
> 
> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=45991
> 
> Reported-by: Marko Kohtala <marko.kohtala@...il.com>
> Reported-by: Maxim Kammerer <mk@....su>
> Signed-off-by: Olof Johansson <olof@...om.net>
> Acked-by: Maarten Lankhorst <maarten.lankhorst@...onical.com>
> Cc: stable@...nel.org # 3.4 - 3.6
> Cc: Matthew Garrett <mjg@...hat.com>

Applied, thanks!

-- 
Matt Fleming, Intel Open Source Technology Center

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