linux-kernel - Re: [Xen-devel] EFI and multiboot2 devlopment work for Xen

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Message-ID: <5267D82A.3010307@gmail.com>
Date:	Wed, 23 Oct 2013 16:07:38 +0200
From:	Vladimir 'φ-coder/phcoder' Serbinenko 
	<phcoder@...il.com>
To:	The development of GNU GRUB <grub-devel@....org>
CC:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Ian Campbell <ian.campbell@...rix.com>, keir@....org,
	david.woodhouse@...el.com, stefano.stabellini@...citrix.com,
	Daniel Kiper <daniel.kiper@...cle.com>,
	linux-kernel@...r.kernel.org,
	Matthew Garrett <mjg59@...f.ucam.org>, xen-devel@...ts.xen.org,
	Jan Beulich <JBeulich@...e.com>, ross.philipson@...rix.com,
	richard.l.maliszewski@...el.com, boris.ostrovsky@...cle.com
Subject: Re: [Xen-devel] EFI and multiboot2 devlopment work for Xen

On 23.10.2013 15:13, Konrad Rzeszutek Wilk wrote:
>  - not make an ExitBootServices call - which it does right now in the Solaris
>    GRUB2 case and in the Fedora GRUB2 case.
What about having a special tag in multiboot2 file header "RKEBSIHE":
"request to keep EFI boot services" and then bootloader will pass
another (empty, other than header) info tag: "Beware of EFI"
>  - Do the signature verification (hand-waving which one - probably both).
Can someone throw me the link on the EFI signature specification? Can't
really find it now.
>  - Pack the right bits in the multiboot2 structure.
As soon as my patch is tested for compatibility with Solaris, I commit
it. Tell me if you need sth else.


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