[Xen-changelog] [xen-unstable] Fix deadlock when accessing IO memory.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Steven Hand <steven@xxxxxxxxxxxxx>
# Node ID 7fdf6e0f12dbb80eac55532cc90be4246bb2c771
# Parent  79315be2c9b9d6c2ed06669ed733a21b22611b99
Fix deadlock when accessing IO memory.

Signed-off-by: Steven Hand <steven@xxxxxxxxxxxxx>
---
 tools/ioemu/target-i386-dm/exec-dm.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r 79315be2c9b9 -r 7fdf6e0f12db tools/ioemu/target-i386-dm/exec-dm.c
--- a/tools/ioemu/target-i386-dm/exec-dm.c      Thu Dec 14 12:21:28 2006 +0000
+++ b/tools/ioemu/target-i386-dm/exec-dm.c      Thu Dec 14 12:35:23 2006 +0000
@@ -441,7 +441,7 @@ void cpu_physical_memory_rw(target_phys_
     uint32_t val;
 
 #if defined(__i386__) || defined(__x86_64__)
-    static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+    static pthread_mutex_t mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
     pthread_mutex_lock(&mutex);
 #endif
 

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