linux-kernel - Re: [patch 1/4] powerpc 2.6.21-rt1: fix a build breakage by adding __raw_*

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Date:	Mon, 14 May 2007 15:26:25 +0900
From:	Tsutomu OWA <tsutomu.owa@...hiba.co.jp>
To:	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org
Cc:	mingo@...e.hu, tglx@...utronix.de
Subject: Re: [patch 1/4] powerpc 2.6.21-rt1: fix a build breakage by adding __raw_*_relax() macros


Add missing macros to fix a build breakage for PREEMPT_DESKTOP.

Signed-off-by: Tsutomu OWA <tsutomu.owa@...hiba.co.jp>
-- owa

diff -rup linux-2.6.21-rt1/include/asm-powerpc/spinlock.h rt/include/asm-powerpc/spinlock.h
--- linux-2.6.21-rt1/include/asm-powerpc/spinlock.h	2007-05-07 14:08:12.000000000 +0900
+++ rt/include/asm-powerpc/spinlock.h	2007-05-07 16:56:41.000000000 +0900
@@ -289,5 +289,9 @@ static __inline__ void __raw_write_unloc
 #define _raw_read_relax(lock)	__rw_yield(lock)
 #define _raw_write_relax(lock)	__rw_yield(lock)
 
+#define __raw_spin_relax(lock)  cpu_relax()
+#define __raw_read_relax(lock)  cpu_relax()
+#define __raw_write_relax(lock) cpu_relax()
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_SPINLOCK_H */

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