linux-kernel - Re: [git pull] RT scheduler updates for tip

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Message-ID: <20081208143228.GF14856@elte.hu>
Date:	Mon, 8 Dec 2008 15:32:28 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Gregory Haskins <ghaskins@...ell.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [git pull] RT scheduler updates for tip


* Gregory Haskins <ghaskins@...ell.com> wrote:

> Hi Ingo,
>   FWIW, I have placed all my latest upstream-able scheduler patches into
> a branch in my git tree (against tip/master).
>  
>  
> git://git.kernel.org/pub/scm/linux/kernel/git/ghaskins/linux-2.6-hacks.git
> sched/latest
> 
> Gregory Haskins (11):
>       sched: cleanup inc/dec_rt_tasks
>       sched: track the next-highest priority on each runqueue
>       sched: use highest_prio.curr for pull threshold
>       sched: use highest_prio.next to optimize pull operations
>       sched: only try to push a task on wakeup if it is migratable
>       sched: pull only one task during NEWIDLE balancing to limit
> critical section
>       sched: make double-lock-balance fair
>       sched: add sched_class->needs_post_schedule() member
>       plist: fix PLIST_NODE_INIT to work with debug enabled
>       sched: create "pushable_tasks" list to limit pushing to one attempt
>       RT: fix push_rt_task() to handle dequeue_pushable properly
> 
>  include/linux/init_task.h |    1 +
>  include/linux/plist.h     |    9 +-
>  include/linux/sched.h     |    2 +
>  kernel/sched.c            |   89 +++++++++++--
>  kernel/sched_rt.c         |  324
> +++++++++++++++++++++++++++++++--------------
>  5 files changed, 312 insertions(+), 113 deletions(-)
> 
> These are built/booted on my quad-core/x86_64 and look good to me.
> 
> 1) the first four are the "next-highest" v3 patches that I submitted 
> yesterday 2) the last seven are patches that Steven has carried in 
> 26-rt that have not yet been pulled in to tip
> 
> I assume there is an implicit ACK from Steven on (2) since he pulled 
> them into -rt.  We still await comment from Peter re: (1).

pulled into tip/cpus4096, thanks Gregory!

(It goes into the cpumask tree because it already changed a few areas 
that you relied on.)

	Ingo
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