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Message-ID: <476A790A.2060203@ru.mvista.com>
Date: Thu, 20 Dec 2007 17:15:38 +0300
From: Egor Starkov <estarkov@ru.mvista.com>
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To: mingo@elte.hu
Cc: rostedt@goodmis.org, linux-rt-users@vger.kernel.org,
       linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org
Subject: PPC64 doesn't compile with CONFIG_SMP=n
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Hello Ingo

I've found out that real-time tree doesn't compile for PPC64 with 
CONFIG_SMP=n.

Think this is due to patch-2.6.21.4-rt10 patch. It has
definitions of following symbols missing: __get_cpu_lock,
__get_cpu_var_locked.

I've attached the patch to fix the problem.

Egor Starkov

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 name="powerpc_smp_bugfix"
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 filename="powerpc_smp_bugfix"

Signed-off-by: Egor Starkov <estarkov@ru.mvista.com>

Index: linux-2.6.21/include/asm-powerpc/percpu.h
===================================================================
--- linux-2.6.21.orig/include/asm-powerpc/percpu.h
+++ linux-2.6.21/include/asm-powerpc/percpu.h
@@ -61,6 +61,8 @@ extern void setup_per_cpu_areas(void);
 
 #define __get_cpu_var(var)			per_cpu__##var
 #define __raw_get_cpu_var(var)			per_cpu__##var
+#define __get_cpu_lock(var, cpu)		per_cpu_lock__##var##_locked
+#define __get_cpu_var_locked(var, cpu)		per_cpu__##var##_locked
 
 #endif	/* SMP */
 

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