From: Ingo Molnar <mingo@elte.hu>
To: Greg KH <greg@kroah.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
devel@driverdev.osuosl.org, lttng-dev@lists.lttng.org,
linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 09/11] sched: export task_prio to GPL modules
Date: Mon, 19 Dec 2011 11:49:15 +0100 [thread overview]
Message-ID: <20111219104915.GA19861@elte.hu> (raw)
In-Reply-To: <20111208232709.GA19820@kroah.com>
* Greg KH <greg@kroah.com> wrote:
> On Thu, Dec 08, 2011 at 06:23:54AM +0100, Ingo Molnar wrote:
> >
> > * Greg KH <greg@kroah.com> wrote:
> >
> > > > Same goes for a whole lot of other crap that distros are
> > > > carrying. Would we want to merge a different CPU scheduler
> > > > or the 4g:4g patch or a completely new networking stack into
> > > > drivers/staging/? I don't think so.
> > >
> > > Distros have new CPU schedulers and are still dragging the 4g
> > > split around? A whole new networking stack would be
> > > interesting, and if self-contained, possible :)
> >
> > The point being, there's legitimate reasons to refuse crap to an
> > area that *people care about* in a constructive manner.
> >
> > There's no rejection of LTTNG in the "hey, go away, you are
> > doing it wrong" fashion - we are not holding a monopoly on how
> > instrumentation is supposed to be done and we've been wrong
> > before.
> >
> > There's a highly constructive, open attitude towards LTTNG and
> > has been for years:
> >
> > " Mathieu, please split it up and integrate/unify it with the
> > existing instrumentation features of Linux - and if it
> > replaces existing stuff because an LTTNG component is
> > superior then so be it. "
>
> Ok, that's fair enough.
>
> Mathieu, will you please work on this? Or is there some
> reason you don't feel this is possible?
Mathieu, any update on this? I don't want the LTTNG goodies to
drop on the floor - we just have to integrate them properly.
If you 100% disagree with how specific things are done upstream
right now then don't hold back: just replace existing mechanisms
- that gives a starting point to discuss what the best way is
forward.
> > drivers/staging/ is a tool that i support in many (in fact most)
> > cases - but i don't support it if it does harm.
> >
> > I'm supposed to say 'no' to extra complexity more often, and
> > this is definitely one of those cases:
> >
> > Nacked-by: Ingo Molnar <mingo@elte.hu>
> >
> > Also obviously NAK to the scheduler symbol export - that alone
> > should tell you that it's not just a "driver" - it deeply hooks
> > into the core kernel...
> >
> > Please respect the NAK.
>
> Will do, I'll go delete it from the staging-next tree now.
Thanks Greg!
Ingo
next prev parent reply other threads:[~2011-12-19 10:51 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1322775683-8741-1-git-send-email-mathieu.desnoyers@efficios.com>
2011-12-01 21:41 ` [PATCH 01/11] mm: export vmalloc_sync_all symbol to GPL modules Mathieu Desnoyers
2011-12-01 21:41 ` Mathieu Desnoyers
2011-12-01 21:57 ` Christoph Hellwig
2011-12-01 21:57 ` Christoph Hellwig
2011-12-01 22:13 ` Greg KH
2011-12-01 22:13 ` Greg KH
2011-12-01 22:19 ` Mathieu Desnoyers
2011-12-01 22:19 ` Mathieu Desnoyers
2011-12-01 22:41 ` Greg KH
2011-12-01 22:41 ` Greg KH
2011-12-01 22:28 ` Christoph Hellwig
2011-12-01 22:28 ` Christoph Hellwig
2011-12-01 23:00 ` Greg KH
2011-12-01 23:00 ` Greg KH
2011-12-01 21:57 ` Christoph Hellwig
2011-12-01 21:57 ` Christoph Hellwig
2011-12-01 21:57 ` Christoph Hellwig
2011-12-01 21:41 ` [PATCH 03/11] fs/splice: export splice_to_pipe " Mathieu Desnoyers
2011-12-02 7:19 ` Jens Axboe
2011-12-02 12:32 ` Mathieu Desnoyers
2011-12-01 21:41 ` [PATCH 09/11] sched: export task_prio " Mathieu Desnoyers
2011-12-01 21:56 ` Peter Zijlstra
2011-12-01 22:04 ` Mathieu Desnoyers
2011-12-01 22:10 ` Peter Zijlstra
2011-12-01 22:15 ` Mathieu Desnoyers
2011-12-01 22:36 ` Mathieu Desnoyers
2011-12-01 23:05 ` Peter Zijlstra
2011-12-02 13:51 ` Mathieu Desnoyers
2011-12-01 23:06 ` Peter Zijlstra
2011-12-01 23:18 ` Greg KH
2011-12-01 23:47 ` Mathieu Desnoyers
2011-12-01 22:14 ` Greg KH
2011-12-01 22:20 ` Mathieu Desnoyers
2011-12-01 23:07 ` Peter Zijlstra
2011-12-01 23:17 ` Greg KH
2011-12-05 14:17 ` Ingo Molnar
2011-12-06 21:44 ` Greg KH
2011-12-08 5:23 ` Ingo Molnar
2011-12-08 23:27 ` Greg KH
2011-12-19 10:49 ` Ingo Molnar [this message]
2011-12-19 15:30 ` [lttng-dev] " Mathieu Desnoyers
2011-12-20 11:08 ` Ingo Molnar
2011-12-20 21:46 ` Frank Rowand
2011-12-23 10:51 ` Ingo Molnar
2011-12-21 18:47 ` Aaron Spear
2011-12-21 18:58 ` Christoph Hellwig
2011-12-23 16:46 ` Perf ABI (was: Re: [lttng-dev] [PATCH 09/11] sched: export task_prio to GPL modules) Mathieu Desnoyers
2011-12-23 17:21 ` Ted Ts'o
2011-12-23 18:16 ` Mathieu Desnoyers
2011-12-25 17:46 ` Ted Ts'o
2012-01-12 14:09 ` Mathieu Desnoyers
2012-01-12 14:54 ` Steven Rostedt
2012-01-12 15:39 ` [lttng-dev] Perf ABI (was: " Mathieu Desnoyers
2012-01-12 15:53 ` Steven Rostedt
2012-01-12 15:59 ` Steven Rostedt
2012-01-12 16:27 ` Mathieu Desnoyers
2012-01-12 16:34 ` Steven Rostedt
2012-01-12 20:00 ` Greg KH
2012-01-16 8:55 ` Ingo Molnar
2011-12-07 22:57 ` [PATCH 09/11] sched: export task_prio to GPL modules Mathieu Desnoyers
2011-12-08 5:40 ` Ingo Molnar
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