From: Matt Fleming <matt@console-pimps.org>
To: Olof Johansson <olof@lixom.net>
Cc: x86@kernel.org, hpa@zytor.com, mingo@elte.hu, tglx@linutronix.de,
linux-kernel@vger.kernel.org, mjg@redhat.com
Subject: Re: [PATCH v5 5/5] x86: efi: allow basic init with mixed 32/64-bit efi/kernel
Date: Wed, 15 Feb 2012 13:33:42 +0000 [thread overview]
Message-ID: <1329312822.3675.126.camel@mfleming-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <1329081869-20779-6-git-send-email-olof@lixom.net>
On Sun, 2012-02-12 at 13:24 -0800, Olof Johansson wrote:
> Traditionally the kernel has refused to setup EFI at all if there's been
> a mismatch in 32/64-bit mode between EFI and the kernel.
>
> On some platforms that boot natively through EFI (Chrome OS being one),
> we still need to get at least some of the static data such as memory
> configuration out of EFI. Runtime services aren't as critical, and
> it's a significant amount of work to implement switching between the
> operating modes to call between kernel and firmware for thise cases. So
> I'm ignoring it for now.
>
> v5:
> * Fixed some printk strings based on feedback
> * Renamed 32/64-bit specific types to not have _ prefix
> * Fixed bug in printout of efi runtime disablement
>
> v4:
> * Some of the earlier cleanup was accidentally reverted by this patch, fixed.
> * Reworded some messages to not have to line wrap printk strings
>
> v3:
> * Reorganized to a series of patches to make it easier to review, and
> do some of the cleanups I had left out before.
>
> v2:
> * Added graceful error handling for 32-bit kernel that gets passed
> EFI data above 4GB.
> * Removed some warnings that were missed in first version.
>
> Signed-off-by: Olof Johansson <olof@lixom.net>
> ---
> arch/x86/include/asm/efi.h | 2 +-
> arch/x86/kernel/setup.c | 10 ++-
> arch/x86/platform/efi/efi.c | 164 +++++++++++++++++++++++++++++++++++++------
> include/linux/efi.h | 45 ++++++++++++
> 4 files changed, 196 insertions(+), 25 deletions(-)
Acked-by: Matt Fleming <matt.fleming@intel.com>
--
Matt Fleming, Intel Open Source Technology Center
next prev parent reply other threads:[~2012-02-15 13:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-12 21:24 [PATCH v5 0/5] x86: efi: cleanups and basic 32/64-bit support Olof Johansson
2012-02-12 21:24 ` [PATCH v5 1/5] x86: efi: refactor efi_init() a bit Olof Johansson
2012-02-28 2:43 ` [tip:x86/eficross] x86, efi: Refactor " tip-bot for Olof Johansson
2012-02-12 21:24 ` [PATCH v5 2/5] x86: efi: convert printk to pr_*() Olof Johansson
2012-02-12 21:59 ` [PATCH] memblock: Make memblock_dbg macro safer Joe Perches
2012-02-28 2:44 ` [tip:x86/eficross] x86, efi: Convert printk to pr_*() tip-bot for Olof Johansson
2012-02-12 21:24 ` [PATCH v5 3/5] x86: efi: cleanup config table walking Olof Johansson
2012-02-28 2:45 ` [tip:x86/eficross] x86, efi: Cleanup " tip-bot for Olof Johansson
2012-02-12 21:24 ` [PATCH v5 4/5] x86: efi: add basic error handling Olof Johansson
2012-02-28 2:46 ` [tip:x86/eficross] x86, efi: Add " tip-bot for Olof Johansson
2012-02-12 21:24 ` [PATCH v5 5/5] x86: efi: allow basic init with mixed 32/64-bit efi/kernel Olof Johansson
2012-02-15 13:33 ` Matt Fleming [this message]
2012-02-28 2:46 ` [tip:x86/eficross] x86, efi: Allow basic init with mixed 32/ 64-bit efi/kernel tip-bot for Olof Johansson
2012-03-12 14:24 ` [PATCH v5 5/5] x86: efi: allow basic init with mixed 32/64-bit efi/kernel Matthew Garrett
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