linux-kernel - Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI basic runtime service support

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Message-Id: <1193364873.23935.248.camel@caritas-dev.intel.com>
Date:	Fri, 26 Oct 2007 10:14:33 +0800
From:	"Huang, Ying" <ying.huang@...el.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...hat.com>, Andi Kleen <ak@...e.de>,
	Chandramouli Narayanan <mouli@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>, pjones@...hat.com
Subject: Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI basic
	runtime service support

On Thu, 2007-10-25 at 13:36 -0700, H. Peter Anvin wrote:
> Eric W. Biederman wrote:
> >>>
> >> Ying claimed that GOP requires EFI runtime services.  Is that not true?
> > 
> > None of the EFI framebuffer patches that I saw used EFI runtime services.
> > 
> 
> Ying, could you please clarify this situation?
> 
> (Eric: do note that there are two EFI framebuffer standard, UGA and GOP. 
>   Apparently UGA is obsolete and we have always been at war with GOP at 
> the moment.)

EFI framebuffer doesn't depend on EFI runtime service. It only depends
on kernel boot parameters (screen_info).

Best Regards,
Huang Ying
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