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From: Robert Love <rml@tech9.net>
To: george anzinger <george@mvista.com>
Cc: "David S. Miller" <davem@redhat.com>,
	bruce.holzrichter@monster.com, ultralinux@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: 2.5.5 on Sparc, Ughh...
Date: 21 Feb 2002 11:52:08 -0500	[thread overview]
Message-ID: <1014310329.847.17.camel@phantasy> (raw)
In-Reply-To: <3C74AA0C.A627B561@mvista.com>
In-Reply-To: <3AB544CBBBE7BF428DA7DBEA1B85C79C01101F6B@nocmail.ma.tmpw.net> <20020220.083904.74754277.davem@redhat.com>  <3C74AA0C.A627B561@mvista.com>

On Thu, 2002-02-21 at 03:04, george anzinger wrote:

> Uh, Dave, could you expound a bit on why you need a preemption lock
> around the notify parent/ schedule code?  We have not found this to be
> needed on other archs, but maybe we missed something.

2.5 has diverged from the "patch" version of the code.  We removed the
PREEMPT_ACTIVE flag and thus have a race against parent/wake up.  All
arches disable preemption there.

	Robert Love


  reply	other threads:[~2002-02-21 16:52 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-02-20 16:12 2.5.5 on Sparc, Ughh Holzrichter, Bruce
2002-02-20 16:39 ` David S. Miller
2002-02-21  8:04   ` george anzinger
2002-02-21 16:52     ` Robert Love [this message]
  -- strict thread matches above, loose matches on Subject: below --
2002-02-20 19:27 Holzrichter, Bruce

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