linux-kernel - Re: [PATCH v2 10/10] x86, efi: EFI boot stub support

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Message-ID: <1316016478.3466.74.camel@mfleming-mobl1.ger.corp.intel.com>
Date:	Wed, 14 Sep 2011 17:07:58 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Maarten Lankhorst <m.b.lankhorst@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Matthew Garrett <mjg@...hat.com>, x86@...nel.org,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Mike Waychison <mikew@...gle.com>,
	Andi Kleen <andi@...stfloor.org>,
	Matt Domsch <Matt_Domsch@...l.com>
Subject: Re: [PATCH v2 10/10] x86, efi: EFI boot stub support

On Tue, 2011-09-13 at 16:33 +0200, Maarten Lankhorst wrote:
> This version seems to boot for me.

Yay! Thanks for testing.

> Is it useful to add 32-bits support though?
> It seems that only some older versions of OSX use it. I could see if I can
> revive my mac mini, iirc it has 32-bits efi, or at least used to have.

32-bit UEFI platforms do exist, so I think it's worth supporting them.

> Do I need to pass anything to add it to efibootmgr?
> 
> I tried something like this:
> echo "args" | efibootmgr -c -l '\vmlinuz.efi' -L 'Native EFI linux boot' -@ - -u -d /dev/sdb
> 
> And it boots vmlinuz.efi, but the arguments I passed do not appear to
> have any effect.

No idea, I've never used efibootmgr. Let's add Matt Domsch to the
discussion (now Cc'd).

-- 
Matt Fleming, Intel Open Source Technology Center

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