From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Kevin Hilman <khilman@ti.com>, Ingo Molnar <mingo@elte.hu>,
Nicolas Pitre <nico@fluxnic.net>,
david@lang.hm, Linus Torvalds <torvalds@linux-foundation.org>,
Arnd Bergmann <arnd@arndb.de>, Tony Lindgren <tony@atomide.com>,
David Brown <davidb@codeaurora.org>,
lkml <linux-kernel@vger.kernel.org>,
linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [GIT PULL] omap changes for v2.6.39 merge window
Date: Thu, 31 Mar 2011 16:05:17 +0100 [thread overview]
Message-ID: <20110331150517.GA19452@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <alpine.LFD.2.00.1103311647300.22418@localhost6.localdomain6>
On Thu, Mar 31, 2011 at 05:01:40PM +0200, Thomas Gleixner wrote:
> On Thu, 31 Mar 2011, Kevin Hilman wrote:
>
> > Thomas Gleixner <tglx@linutronix.de> writes:
> >
> > > But the current SoC maintainer model does not work either. The SoC
> > > maintainers care about their sandbox and have exactly zero incentive
> > > to look at the overall picture, e.g reuse of code for the same IP
> > > blocks, better abstraction mechanisms etc.
> >
> > zero incentive? that's a bit strong, IMO.
> >
> > That may be true for some SoCs, it's not really fair as a sweeping
> > statement.
>
> Fair enough, but it's the perception in general.
>
> > Conference (ELC, US and Europe.) Especially as IP blocks are reused
> > across SoC families, abstractions like runtime PM are the only way to
> > keep the SoC specifics of PM out of the common driver.
>
> Right, I know that these things happen, but at the same time the sheer
> amount of stuff flowing in makes it hard that these infrastructure
> stuff really works out. And we are only at the beginning of the big
> shuffle "code in to mainline" game.
>
> After cleaning up the whole irq stuff across the tree I can tell you,
> that the mess is non-linear growing with the number of instances.
>
> You can see the patterns which are:
> - copy and paste
> - introduce different bugs
> - add more abuse
>
> That's what I'm really concerned about.
>
> > Yes, ARM SoC maintainers have to make up some ground. But compare this
> > to just a couple years ago where the common complaint was "why aren't
> > embedded SoC people contributing code to mainline", and you'll see we
> > have come a long way.
>
> Well, code comes in, which is progress. But we need to figure out how
> to deal with the increasingly growing flood before we drown in it.
How about we declare the remainder of this cycle and the next merge window
as being only for bug and regression fixes, and consolidation of stuff like
the IRQ controller and GPIO controller code for the next merge window?
next prev parent reply other threads:[~2011-03-31 15:06 UTC|newest]
Thread overview: 159+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-17 18:30 [GIT PULL] omap changes for v2.6.39 merge window Tony Lindgren
2011-03-18 2:50 ` Linus Torvalds
2011-03-18 7:06 ` Tony Lindgren
2011-03-18 10:15 ` Russell King - ARM Linux
2011-03-18 11:13 ` Uwe Kleine-König
2011-03-30 17:06 ` Arnd Bergmann
2011-03-30 19:21 ` Linus Torvalds
2011-03-30 20:41 ` Nicolas Pitre
2011-03-30 21:02 ` Linus Torvalds
2011-03-30 23:31 ` Nicolas Pitre
2011-03-30 23:59 ` Russell King - ARM Linux
2011-03-31 0:15 ` Tony Lindgren
2011-03-31 0:31 ` Bill Gatliff
2011-03-31 0:39 ` david
2011-03-31 3:17 ` Nicolas Pitre
2011-03-31 3:29 ` Dave Airlie
2011-03-31 4:38 ` Nicolas Pitre
2011-03-31 9:54 ` Alan Cox
2011-03-31 10:50 ` Russell King - ARM Linux
2011-03-31 12:23 ` Jean-Christophe PLAGNIOL-VILLARD
2011-03-31 12:38 ` Catalin Marinas
2011-03-31 13:01 ` Russell King - ARM Linux
2011-03-31 14:55 ` Bill Gatliff
2011-04-01 12:41 ` Arnd Bergmann
2011-03-31 18:12 ` Sam Ravnborg
2011-03-31 18:17 ` Russell King - ARM Linux
2011-03-31 18:34 ` Jesse Barnes
2011-03-31 13:54 ` Thomas Gleixner
2011-03-31 17:22 ` david
2011-03-31 18:08 ` Koen Kooi
2011-03-31 5:05 ` david
2011-03-31 7:15 ` Nicolas Pitre
2011-03-31 8:06 ` Ingo Molnar
2011-03-31 8:30 ` Russell King - ARM Linux
2011-03-31 10:41 ` Ingo Molnar
2011-03-31 13:25 ` Russell King - ARM Linux
2011-03-31 12:04 ` Thomas Gleixner
2011-03-31 14:43 ` Kevin Hilman
2011-03-31 15:01 ` Thomas Gleixner
2011-03-31 15:05 ` Russell King - ARM Linux [this message]
2011-03-31 15:45 ` david
2011-03-31 15:23 ` Arnd Bergmann
2011-03-31 16:58 ` Thomas Gleixner
2011-03-31 18:23 ` Nicolas Pitre
2011-03-31 18:55 ` Thomas Gleixner
2011-04-01 11:32 ` Arnd Bergmann
2011-03-31 20:35 ` Kevin Hilman
2011-04-01 11:29 ` Arnd Bergmann
2011-04-01 7:32 ` Tomi Valkeinen
2011-04-01 11:22 ` Arnd Bergmann
2011-04-01 11:55 ` Tomi Valkeinen
2011-04-01 12:07 ` Arnd Bergmann
2011-04-01 12:15 ` Tomi Valkeinen
2011-03-31 16:03 ` david
2011-03-31 16:45 ` Russell King - ARM Linux
2011-03-31 17:17 ` Linus Torvalds
2011-03-31 19:25 ` Nicolas Pitre
2011-03-31 20:05 ` Linus Torvalds
2011-03-31 20:28 ` Linus Torvalds
2011-03-31 22:49 ` Nicolas Pitre
2011-04-01 0:53 ` Mark Brown
2011-04-01 4:50 ` David Brown
2011-04-01 7:45 ` Ingo Molnar
2011-04-01 13:54 ` Arnd Bergmann
[not found] ` <4D95E112.4020400@vollmann.ch>
2011-04-01 14:59 ` Arnd Bergmann
[not found] ` <4D95EF8E.9080902@vollmann.ch>
2011-04-01 15:50 ` Arnd Bergmann
2011-04-01 17:44 ` Russell King - ARM Linux
2011-04-01 19:54 ` Nicolas Pitre
2011-04-01 21:00 ` Uwe Kleine-König
2011-04-01 22:08 ` Arnd Bergmann
2011-04-02 2:24 ` Nicolas Pitre
2011-04-03 15:26 ` Arnd Bergmann
2011-04-03 16:03 ` Russell King - ARM Linux
2011-04-04 0:59 ` Arnd Bergmann
2011-04-04 8:26 ` Marc Zyngier
2011-04-04 11:03 ` Catalin Marinas
2011-04-04 11:21 ` Russell King - ARM Linux
2011-04-04 13:24 ` Marc Zyngier
2011-04-04 13:31 ` Russell King - ARM Linux
2011-04-04 13:57 ` Marc Zyngier
2011-04-04 20:08 ` Linus Walleij
2011-04-05 6:40 ` Santosh Shilimkar
2011-04-05 7:45 ` Russell King - ARM Linux
2011-04-05 14:15 ` Catalin Marinas
2011-04-05 22:16 ` Linus Walleij
2011-04-06 6:43 ` Santosh Shilimkar
2011-04-05 22:22 ` Linus Walleij
2011-04-06 6:41 ` Santosh Shilimkar
2011-04-05 7:30 ` Marc Zyngier
2011-05-26 13:38 ` Pavel Machek
2011-04-02 2:59 ` Mark Brown
2011-04-04 5:16 ` Jean-Christophe PLAGNIOL-VILLARD
2011-04-04 9:27 ` Nicolas Ferre
2011-04-01 21:10 ` Kevin Hilman
2011-04-01 21:32 ` Arnd Bergmann
2011-04-01 21:51 ` Catalin Marinas
2011-04-03 22:18 ` Benjamin Herrenschmidt
2011-04-04 0:14 ` Arnd Bergmann
2011-04-04 2:49 ` Nicolas Pitre
2011-04-01 15:27 ` Will Deacon
2011-04-01 15:55 ` Arnd Bergmann
2011-04-01 16:39 ` Linus Torvalds
2011-04-03 22:26 ` Benjamin Herrenschmidt
2011-04-05 23:19 ` Linus Walleij
2011-04-06 8:41 ` Catalin Marinas
2011-04-07 1:44 ` Arnd Bergmann
2011-04-01 20:19 ` Nicolas Pitre
2011-04-02 4:38 ` Richard Cochran
2011-04-02 3:27 ` Mark Brown
2011-04-06 6:11 ` Barry Song
2011-04-06 7:31 ` Bryan Wu
2011-03-31 21:40 ` Thomas Gleixner
2011-03-31 17:56 ` Nicolas Pitre
2011-03-31 18:34 ` Thomas Gleixner
2011-03-31 19:02 ` Linus Torvalds
2011-03-31 8:09 ` Russell King - ARM Linux
2011-03-31 10:49 ` Felipe Balbi
2011-03-31 18:00 ` Alexander Holler
2011-03-31 5:45 ` Geert Uytterhoeven
2011-03-31 7:21 ` Nicolas Pitre
2011-03-30 22:08 ` Tony Lindgren
2011-03-30 21:10 ` Thomas Gleixner
2011-03-30 21:54 ` Tony Lindgren
2011-03-30 22:25 ` Thomas Gleixner
2011-03-30 22:45 ` Tony Lindgren
2011-03-30 22:56 ` Thomas Gleixner
2011-04-01 1:42 ` Mark Brown
2011-03-30 22:38 ` Paul E. McKenney
2011-03-30 22:47 ` Tony Lindgren
2011-03-30 23:13 ` Paul E. McKenney
2011-03-30 23:14 ` Thomas Gleixner
2011-03-30 23:28 ` Tony Lindgren
2011-03-31 11:00 ` Artem Bityutskiy
2011-03-31 13:54 ` Arnd Bergmann
2011-03-30 21:44 ` Tony Lindgren
2011-03-30 22:20 ` Linus Torvalds
2011-03-30 22:39 ` Tony Lindgren
2011-03-31 0:15 ` Russell King - ARM Linux
2011-03-31 0:55 ` Linus Torvalds
2011-03-31 1:15 ` Bill Gatliff
2011-03-31 1:37 ` Linus Torvalds
2011-03-31 1:44 ` Bill Gatliff
2011-03-31 1:56 ` Linus Torvalds
2011-03-31 2:20 ` Bill Gatliff
2011-03-31 3:24 ` Linus Torvalds
2011-03-31 6:42 ` Olof Johansson
2011-03-31 6:56 ` David Brown
2011-03-31 11:27 ` Felipe Balbi
2011-03-31 13:39 ` Thomas Gleixner
2011-03-31 4:09 ` Nicolas Pitre
2011-03-31 10:11 ` Thomas Gleixner
2011-03-30 21:07 ` Russell King - ARM Linux
2011-03-30 22:14 ` Tony Lindgren
2011-04-01 1:17 ` Mark Brown
2011-04-01 14:17 ` Arnd Bergmann
2011-03-18 3:02 ` Linus Torvalds
2011-03-18 7:09 ` Tony Lindgren
2011-03-18 8:06 ` Ohad Ben-Cohen
2011-03-18 23:43 ` Tony Lindgren
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