linux-kernel - Re: "Glove box" BIOS patch causes boot flicker

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Message-ID: <4C9BBD0C.6070905@zytor.com>
Date:	Thu, 23 Sep 2010 13:48:12 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jan Engelhardt <jengelh@...ozas.de>
CC:	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: "Glove box" BIOS patch causes boot flicker

On 09/23/2010 01:46 PM, Jan Engelhardt wrote:
> 
> On Thursday 2010-09-23 22:00, H. Peter Anvin wrote:
>> On 09/23/2010 11:54 AM, Jan Engelhardt wrote:
>>> On Wednesday 2010-09-22 02:34, H. Peter Anvin wrote:
>>>
>>>> There were some minor bugs (typos) in the conversion to the glove box 
>>>> coding style. The ones we have found have been fixed, so the first 
>>>> thing is to try the current mainline or the current tip tree.  
>>>> Otherwise I would look for issues where either the wrong register is 
>>>> changed, or something like a variable is changed instead of a field.
>>>
>>> I tried v2.6.36-rc5 now, and it looks better. The cursor position is 
>>> retained as desired. The mode switch is still there, albeit much 
>>> shorter than it used to be.
>>
>> The mode switch was there in the original code.
> 
> That may very well be so, but there clearly is distinguished behavior 
> w.r.t. that in 2.6.36 compared to .30.

Yes, but that caused regressions from the old assembly code.

	-hpa

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