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[Xen-changelog] [xen-unstable] [IA64] remove a warning

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Subject: [Xen-changelog] [xen-unstable] [IA64] remove a warning
From: Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date: Mon, 29 Jun 2009 03:20:13 -0700
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# HG changeset patch
# User Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
# Date 1246242211 -32400
# Node ID 5d35b3f7898b99979d4426596a45404bfec38be0
# Parent  02003bee3e808478a933e84c9f046542a6be4672
[IA64] remove a warning

This patch removes the following warning.
> unwind.c:40:1: warning: "write_trylock" redefined
> In file included from xen/include/xen/sched.h:7,
>                  from unwind.c:33:
> xen/include/xen/spinlock.h:115:1: warning: this is the location of the 
> previous definition

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
 xen/arch/ia64/linux-xen/unwind.c |    3 +++
 1 files changed, 3 insertions(+)

diff -r 02003bee3e80 -r 5d35b3f7898b xen/arch/ia64/linux-xen/unwind.c
--- a/xen/arch/ia64/linux-xen/unwind.c  Thu Jun 25 18:31:10 2009 +0100
+++ b/xen/arch/ia64/linux-xen/unwind.c  Mon Jun 29 11:23:31 2009 +0900
@@ -36,6 +36,9 @@
 #include <xen/errno.h>
 // work around
+// write_trylock() does bug check, but stack unwinder can be called
+// subtle situation, so skip bug check.
+#undef write_trylock(lock)
 #ifdef CONFIG_SMP
 #define write_trylock(lock)    _raw_write_trylock(lock)

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