From owner-cvs-all@FreeBSD.ORG  Wed Jan 24 03:47:21 2007
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From: David Xu <davidxu@freebsd.org>
To: Jeff Roberson <jeff@freebsd.org>
Date: Wed, 24 Jan 2007 11:47:17 +0800
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org,
	Julian Elischer <julian@freebsd.org>, jhb@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/kern sched_ule.c
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On Tuesday 23 January 2007 16:50, Jeff Roberson wrote:
> jeff        2007-01-23 08:50:34 UTC
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/kern             sched_ule.c
>   Log:
>    - Catch up to setrunqueue/choosethread/etc. api changes.
>    - Define our own maybe_preempt() as sched_preempt().  We want to be able
>      to preempt idlethread in all cases.
>    - Define our idlethread to require preemption to exit.

if idlethread is preempted, who will clear its idle bit in idle_cpus_mask ?

>    - Get the cpu estimation tick from sched_tick() so we don't have to
> worry about errors from a sampling interval that differs from the time
> domain.  This was the source of sched_priority prints/panics and inaccurate
> pctcpu display in top.
>
>   Revision  Changes    Path
>   1.183     +90 -39    src/sys/kern/sched_ule.c

Regards,
David Xu