[PATCH ] x86 : Fix compilation warning on paravirt-spinlocks.c

[Rakib Mullick]

Impact: Fix compilation warning.

 CC      arch/x86/kernel/paravirt-spinlocks.o
arch/x86/kernel/paravirt-spinlocks.c: In function `default_spin_lock_flags':
arch/x86/kernel/paravirt-spinlocks.c:12: warning: passing arg 1 of
`__raw_spin_lock' from incompatible pointer type

This patch fixes the above warning.  __raw_spin_lock(lock) is declared
when CONFIG_SMP is defined. Thus, a call to __raw_spin_lock requires
checking CONFIG_SMP is defined or not.

Signed-off-by: Rakib Mullick <rakib.mullick@xxxxxxxxx>

--- linux-2.6-orig/arch/x86/kernel/paravirt-spinlocks.c	2008-12-05
19:53:15.000000000 +0600
+++ linux-2.6/arch/x86/kernel/paravirt-spinlocks.c	2008-12-07
23:52:59.000000000 +0600
@@ -9,7 +9,9 @@

 static void default_spin_lock_flags(struct raw_spinlock *lock,
unsigned long flags)
 {
+#ifdef	CONFIG_SMP
 	__raw_spin_lock(lock);
+#endif
 }

 struct pv_lock_ops pv_lock_ops = {
--
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