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

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Message-ID: <493E8246.1090309@novell.com>
Date:	Tue, 09 Dec 2008 09:35:50 -0500
From:	Gregory Haskins <ghaskins@...ell.com>
To:	Ingo Molnar <mingo@...e.hu>
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

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.

Thanks,
-Greg



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