linux-kernel - Re: [PATCH] x86 ACPI: normalize segment descriptor register on resume

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Date:	Wed, 25 Jun 2008 22:17:26 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Pavel Machek <pavel@...e.cz>, Len Brown <lenb@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>
Subject: Re: [PATCH] x86 ACPI: normalize segment descriptor register on resume

On Wednesday, 25 of June 2008, Ingo Molnar wrote:
> 
> * Pavel Machek <pavel@...e.cz> wrote:
> 
> > Acked-by: Pavel Machek <pavel@...e.cz>
> > 
> > If this could be sneaked into Ingo's tree for some automated testing, 
> > that would be good.
> 
> sure - i have applied it to tip/out-of-tree. I'm equally nervous about 
> this change - it affects every suspend+resume cycle that people do on 
> those boxes which are working just fine currently.
> 
> btw., it would get a lot more coverage on my test-systems if this commit 
> in tip/out-of-tree:
> 
> | commit 01259383c345d13b70efcc549439927ae64dc66d
> | Author: David Brownell <david-b@...bell.net>
> | Date:   Fri May 16 10:12:36 2008 +0200
> |
> |     sleepy linux self-test
> 
> was upstream and if it was enabled more prominently, instead of hidden 
> behind the rather obscure condition of:
> 
>   config PM_TEST_SUSPEND
>         bool "Test suspend/resume and wakealarm during bootup"
>         depends on SUSPEND && PM_DEBUG && RTC_LIB=y
> 
> and even then it needs certain other config options related to RTC_LIB 
> to actually work during bootup.
> 
> As a result of all this obstruction, the automated testing i do, which 
> builds and boots more than 1 random kernel per minute, will only run 
> this self-test once every hour or so.
> 
> I dont mind if this option breaks boxes (that its purpose: it does the 
> same thing that a real suspend+resume does and suspend+resume frequently 
> breaks boxes), but right now it's all obscured so heavily which makes 
> automated testing a lot harder than it should be.
> 
> it would be wonderful if this excellent suspend+resume self-test was 
> upstream and was more prominent! :-)

I thought it was in linux-next, wasn't it?

Rafael
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