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Date: Tue, 13 Jul 2004 15:48:45 +1000
From: Nick Piggin <nickpiggin@yahoo.com.au>
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To: Con Kolivas <kernel@kolivas.org>
CC: Andrew Morton <akpm@osdl.org>, William Lee Irwin III <wli@holomorphy.com>,
       ck@vds.kolivas.org, devenyga@mcmaster.ca, linux-kernel@vger.kernel.org
Subject: Re: Preempt Threshold Measurements
References: <200407121943.25196.devenyga@mcmaster.ca> <20040713024051.GQ21066@holomorphy.com> <200407122248.50377.devenyga@mcmaster.ca> <20040713025502.GR21066@holomorphy.com> <20040712210701.46e2cd40.akpm@osdl.org> <cone.1089696847.507419.12958.502@pc.kolivas.org>
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Con Kolivas wrote:

> --- linux-2.6.8-rc1.orig/include/linux/sched.h	2004-07-12 16:11:50.000000000 +1000
> +++ linux-2.6.8-rc1/include/linux/sched.h	2004-07-13 15:31:00.547749905 +1000
> @@ -1021,6 +1021,7 @@
>  extern void __cond_resched(void);
>  static inline void cond_resched(void)
>  {
> +	touch_preempt_timing();
>  	if (need_resched())
>  		__cond_resched();
>  }

cond_resched_lock just below this needs something similar.