linux-kernel - Re: [GIT PULL] EFI urgent fixes

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Date:	Thu, 25 Sep 2014 16:41:27 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Matt Fleming <matt@...sole-pimps.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] EFI urgent fixes


* Matt Fleming <matt@...sole-pimps.org> wrote:

> Folks,
> 
> Please consider pulling the following fixes.
> 
> The first two are releated to the bug report I got from Linus and Josh
> Boyer, whereby Fedora20 + grub2 systems were no longer booting. Linus
> reverted the offending commit that broke grub2 boot, but that left us in
> a state where Macbooks still didn't boot with EFI. This is fixed with
> the below revert and I'm dropping a noisey boot time efi_printk() based
> on Josh's request and Linus' OK.
> 
> The third patch fixes a 32-bit EFI boot stub bug where garbled text is
> displayed on the screen if any of the efi_printk() statements run.
> 
> The following changes since commit 3eddc69ffeba092d288c386646bfa5ec0fce25fd:
> 
>   x86 early_ioremap: Increase FIX_BTMAPS_SLOTS to 8 (2014-09-14 15:24:31 +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 115c6628a59044958c205f8468a1b3ba3d539e61:
> 
>   x86/efi: Truncate 64-bit values when calling 32-bit OutputString() (2014-09-24 21:56:46 +0100)
> 
> ----------------------------------------------------------------
>  * Revert the static library changes from the merge window since they're
>    causing issues for Macbooks and Fedora + Grub2 - Matt Fleming
> 
>  * Delete the misleading "setup_efi_pci() failed!" message which some
>    people are seeing when booting EFI - Matt Fleming
> 
>  * Fix printing strings from the 32-bit EFI boot stub by only passing
>    32-bit addresses to the firmware - Matt Fleming
> 
> ----------------------------------------------------------------
> Matt Fleming (3):
>       Revert "efi/x86: efistub: Move shared dependencies to <asm/efi.h>"
>       x86/efi: Delete misleading efi_printk() error message
>       x86/efi: Truncate 64-bit values when calling 32-bit OutputString()
> 
>  arch/x86/boot/compressed/Makefile |  3 +--
>  arch/x86/boot/compressed/eboot.c  | 44 +++++++++++++++++++++++----------------
>  arch/x86/boot/compressed/eboot.h  | 16 ++++++++++++++
>  arch/x86/include/asm/efi.h        | 24 ---------------------
>  drivers/firmware/efi/Makefile     |  2 +-
>  5 files changed, 44 insertions(+), 45 deletions(-)
> 
> -- 
> Matt Fleming, Intel Open Source Technology Center

Pulled, thanks Matt!

I'll give it some testing and then send it to Linus with other 
x86 fixes.

Thanks,

	Ingo
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