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

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Date:	Fri, 12 Dec 2008 12:34:15 +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:

> Ingo Molnar wrote:
> > okay, this series is quite bad so i'm disabling it for now. I sent a 
> > build fix earlier today, then i triggered this build failure:
> >
> > kernel/built-in.o: In function `dequeue_pushable_task':
> > sched.c:(.text+0x4a9f): undefined reference to `plist_del'
> > kernel/built-in.o: In function `enqueue_pushable_task':
> > sched.c:(.text+0x5734): undefined reference to `plist_del'
> > sched.c:(.text+0x5747): undefined reference to `plist_add'
> >
> > and then this:
> >
> > kernel/sched_rt.c: In function ‘next_prio’:
> > kernel/sched_rt.c:574: error: ‘struct rq’ has no member named ‘cpu’
> > kernel/sched_rt.c: In function ‘inc_rt_tasks’:
> > kernel/sched_rt.c:619: error: ‘rq’ undeclared (first use in this function)
> > kernel/sched_rt.c:619: error: (Each undeclared identifier is reported only once
> > kernel/sched_rt.c:619: error: for each function it appears in.)
> > kernel/sched_rt.c: In function ‘dec_rt_tasks’:
> > kernel/sched_rt.c:667: error: ‘rq’ undeclared (first use in this function)
> >
> >
> >   
> 
> Hi Ingo,
>   I was able to reproduce your first error (in the previous mail) by 
> turning off CONFIG_SMP.  I have folded your fix into my series and got 
> past it.  However, I was not able to reproduce these two new errors.  I 
> was thinking that perhaps something merged improperly between my 
> (older) tip/master and the merge point in cpus4096.  So I rebased the 
> series on your latest tip/master as of this morning, but it still 
> builds fine for me.  Could you send me the .config that causes this to 
> blow up?  I will get it straightened out for you ASAP.  Sorry for the 
> inconvenience.

Could you send a delta fix against cpus4096 for that bug you fixed?

	Ingo
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