Re: [PATCH v3] x86: efi: Turn off efi_enabled after setup on mixedfw/kernel

From: Matt Fleming
Date: Thu Oct 25 2012 - 06:56:14 EST


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@xxxxxxxxx>
> Reported-by: Maxim Kammerer <mk@xxxxxx>
> Signed-off-by: Olof Johansson <olof@xxxxxxxxx>
> Acked-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxx # 3.4 - 3.6
> Cc: Matthew Garrett <mjg@xxxxxxxxxx>

Applied, thanks!

--
Matt Fleming, Intel Open Source Technology Center

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