From: Petr Tesarik <ptesarik@suse.cz>
Subject: Allow rwlocks to re-enable interrupts
References: bnc#387784
Mainline: no

Pass the original flags to rwlock arch-code, so that it can re-enable
interrupts if desired.

Signed-off-by: Petr Tesarik <ptesarik@suse.cz>

Automatically created from "patches.suse/rwlocks-enable-interrupts" by xen-port-patches.py

--- sle11-2009-06-04.orig/include/asm-x86/mach-xen/asm/spinlock.h	2009-06-04 11:09:05.000000000 +0200
+++ sle11-2009-06-04/include/asm-x86/mach-xen/asm/spinlock.h	2009-06-04 11:09:50.000000000 +0200
@@ -443,6 +443,9 @@ static inline void __raw_write_unlock(ra
 		     : "+m" (rw->lock) : "i" (RW_LOCK_BIAS) : "memory");
 }
 
+#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock)
+#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock)
+
 #define _raw_spin_relax(lock)	cpu_relax()
 #define _raw_read_relax(lock)	cpu_relax()
 #define _raw_write_relax(lock)	cpu_relax()