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From: Ed Tomlinson <tomlins@cam.org>
Subject: Re: [PATCH] preemptive kernel for 2.4.19-rc1-ac3
To: Robert Love <rml@tech9.net>, linux-kernel@vger.kernel.org
Reply-To: tomlins@cam.org
Date: Sun, 14 Jul 2002 20:43:54 -0400
References: <1026681042.939.9.camel@sinai>
Organization: me
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If you build with preempt=N (for the scheduler stuff) the link of the 
kernel fails.  

kernel/kernel.o: In function `sys_sched_yield':
kernel/kernel.o(.text+0x1154): undefined reference to 
`spin_unlock_no_resched'

Ed Tomlinson

make: *** [vmlinux] Error 1


Robert Love wrote:

> A preempt-kernel patch for 2.4.19-rc1-ac3 is available at:
> 
> 
ftp://ftp.kernel.org/pub/linux/kernel/people/rml/preempt-kernel/v2.4/preempt-kernel-rml-2.4.19-rc1-ac3-1.patch
> 
> and mirrors.
> 
> The recent scheduler bits introduced plenty of changes to cause the
> patch to fail to apply.
> 
> This new preempt-kernel patch also includes some of the
> scheduler-related preemption optimizations found in 2.5.
> 
> Robert Love
> 
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