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[Xen-ia64-devel] [IA64] add ia64 _raw_rw_is_write_locked

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-ia64-devel] [IA64] add ia64 _raw_rw_is_write_locked
From: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Date: Wed, 27 May 2009 18:36:11 +0900
Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
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[IA64] add ia64 _raw_rw_is_write_locked

This patch fixes the following link error.

xen/common/built_in.o: In function `_rw_is_write_locked':
xen/common/spinlock.c:249: undefined reference to `_raw_rw_is_write_locked'
make[3]: *** [xen/xen-syms] Error 1

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff --git a/xen/include/asm-ia64/linux-xen/asm/spinlock.h 
b/xen/include/asm-ia64/linux-xen/asm/spinlock.h
--- a/xen/include/asm-ia64/linux-xen/asm/spinlock.h
+++ b/xen/include/asm-ia64/linux-xen/asm/spinlock.h
@@ -112,5 +112,6 @@ do {                                                        
                        \
 })
 
 #define _raw_rw_is_locked(x) (*(int *)(x) != 0)
+#define _raw_rw_is_write_locked(x) (test_bit(31, (x)))
 
 #endif /*  _ASM_IA64_SPINLOCK_H */


-- 
yamahata

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