[PATCH 1/3] Do not use DEFINE_RWLOCK Macro

[Ben Guthro <bguthro@virtualiron.com>]

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Do not use the DEFINE_RWLOCK macro, as it is not available when compiled 
against
older kernels, such as SLES9's 2.6.5

Signed-off-by: Ben Guthro <bguthro@virtualron.com>

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diff -r ef25e071a074 unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c
--- a/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c	Wed Aug 29 13:38:54 2007 -0400
+++ b/unmodified_drivers/linux-2.6/platform-pci/machine_reboot.c	Wed Aug 29 13:41:20 2007 -0400
@@ -15,8 +15,10 @@ struct ap_suspend_info {
 /*
  * Use a rwlock to protect the hypercall page from being executed in AP context
  * while the BSP is re-initializing it after restore.
+ * Do not use the DEFINE_RWLOCK macro, as it is not available when compiled against
+ *  older kernels
  */
-static DEFINE_RWLOCK(suspend_lock);
+static rwlock_t suspend_lock = RW_LOCK_UNLOCKED;
 
 /*
  * Spinning prevents, for example, APs touching grant table entries while

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