linux-kernel - Re: compile problems Re: 2.6.19-rc6-rt5

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Message-ID: <20061121074319.GB24711@elte.hu>
Date:	Tue, 21 Nov 2006 08:43:19 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Sergio Monteiro Basto <sergio@...giomb.no-ip.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: compile problems Re: 2.6.19-rc6-rt5


* Sergio Monteiro Basto <sergio@...giomb.no-ip.org> wrote:

> Now with CONFIG_HOTPLUG_CPU=y I got:
>   UPD     include/linux/compile.h
> kernel/fork.c:72: error: section of 'tasklist_lock' conflicts with previous declaration
> make[1]: *** [kernel/fork.o] Error 1

this one should be fixed by the patch below.

	Ingo

Index: linux/kernel/fork.c
===================================================================
--- linux.orig/kernel/fork.c
+++ linux/kernel/fork.c
@@ -69,7 +69,7 @@ int max_threads;		/* tunable limit on nr
 
 DEFINE_PER_CPU(unsigned long, process_counts) = 0;
 
-__cacheline_aligned DEFINE_RWLOCK(tasklist_lock);  /* outer */
+DEFINE_RWLOCK(tasklist_lock);  /* outer */
 
 /*
  * Delayed mmdrop. In the PREEMPT_RT case we
-
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