linux-kernel - Re: [Intel-gfx] Major 2.6.38 / 2.6.39 / 3.0 regression ignored?

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Message-ID: <20110722213102.GA14749@tugrik.mns.mnsspb.ru>
Date:	Sat, 23 Jul 2011 01:31:02 +0400
From:	Kirill Smelkov <kirr@....spb.ru>
To:	Keith Packard <keithp@...thp.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Luke-Jr <luke@...hjr.org>, intel-gfx@...ts.freedesktop.org,
	LKML <linux-kernel@...r.kernel.org>,
	dri-devel@...ts.freedesktop.org, Pekka Enberg <penberg@...nel.org>,
	Ray Lee <ray-lk@...rabbit.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [Intel-gfx] Major 2.6.38 / 2.6.39 / 3.0 regression ignored?

On Sat, Jul 23, 2011 at 01:08:14AM +0400, Kirill Smelkov wrote:
> On Fri, Jul 22, 2011 at 01:50:04PM -0700, Keith Packard wrote:

> > You're right, of course -- UMS is a huge wart on the kernel driver at
> > this point, keeping it working while also adding new functionality
> > continues to cause challenges. We tend to expect that most people will
> > run reasonably contemporaneous kernel and user space code, and so three
> > years after the switch, it continues to surprise us when someone
> > actually tries UMS.
> 
> We are planning upgrade to KMS too. The kernel is upgraded more often
> compared to userspace, because of already mentioned (thanks!) "no
> regression" rule. Userspace is more complex and more work in my context,
> so it is lagging, but eventually we'll get there.

Also wanted to say, that if whole X could be built, like the kernel, from one
repo without multirepo-setup tool, with 100% reliable working
incremental rebuild, etc... it would be a bit easier to upgrade X too.

Sorry for being a bit offtopic, could not resist. I was keeping that
though in my head for ~ 2 years already, and now had a chance to mention it.



Thanks,
Kirill
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