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

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Message-ID: <472118C7.3060909@zytor.com>
Date:	Thu, 25 Oct 2007 15:29:27 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Arjan van de Ven <arjan@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Huang, Ying" <ying.huang@...el.com>,
	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

Eric W. Biederman wrote:
> "H. Peter Anvin" <hpa@...or.com> writes:
> 
>> 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 Apparently UGA is obsolete and we have always been at war with GOP at the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.)
> 
> Peter please look back in your email archives to yesterday and
> see Ying's patch:
> 
> [PATCH 1/2 -v2 resend] x86_64 EFI boot support: EFI frame buffer driver
> 
> All of the data the GOP needs is acquired through the a query made
> by the bootloader and passed through screen info.
> 

Then I fully agree with your assessment.

	-hpa
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