Re: [GIT PULL] EFI urgent fix

From: Ingo Molnar
Date: Fri Sep 19 2014 - 06:50:14 EST



* Matt Fleming <matt@xxxxxxxxxxxxxxxxx> wrote:

> Hi guys,
>
> Please consider pulling the following urgent fix from Dave. It fixes an
> earlyprintk=efi regression introduced in v3.16. Due to changes in the
> early ACPI code we run out of early_ioremap slots when earlyprintk=efi
> is specified on the command line, resulting in a hang during kernel
> boot.
>
> This patch is clearly a core x86 change, but since it is a fix for an
> EFI code issue I picked it up in my urgent queue. Let me know if you'd
> like to route this some other way.
>
> The following changes since commit 0ceac9e094b065fe3fec19669740f338d3480498:
>
> efi/arm64: Fix fdt-related memory reservation (2014-09-09 07:51:09 +0100)
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi.git tags/efi-urgent
>
> for you to fetch changes up to 3eddc69ffeba092d288c386646bfa5ec0fce25fd:
>
> x86 early_ioremap: Increase FIX_BTMAPS_SLOTS to 8 (2014-09-14 15:24:31 +0100)
>
> ----------------------------------------------------------------
> * Increase the number of early_ioremap slots to fix a regression with
> earlyprintk=efi after recent changes to the ACPI code - Dave Young
>
> ----------------------------------------------------------------
> Dave Young (1):
> x86 early_ioremap: Increase FIX_BTMAPS_SLOTS to 8
>
> arch/x86/include/asm/fixmap.h | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)

Pulled, thanks a lot Matt!

Ingo
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