[patch] x86: paravirt spinlocks, modular build fix (was: Re: [PATCH RFC 0/4] Paravirtual spinlocks)

another small fixlet.

	Ingo

----------------->
commit 0ea0f032767f41fb0a9586ab6acb5c1408ef16c5
Author: Ingo Molnar [off-list ref]
Date:   Wed Jul 9 14:39:15 2008 +0200

    x86: paravirt spinlocks, modular build fix
    
    fix:
    
      MODPOST 408 modules
    ERROR: "pv_lock_ops" [net/dccp/dccp.ko] undefined!
    ERROR: "pv_lock_ops" [fs/jbd2/jbd2.ko] undefined!
    ERROR: "pv_lock_ops" [drivers/media/common/saa7146_vv.ko] undefined!
    
    Signed-off-by: Ingo Molnar [off-list ref]

diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 6aa8aed..3edfd7a 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c

@@ -472,6 +472,7 @@ struct pv_lock_ops pv_lock_ops = {
 	.spin_unlock = __ticket_spin_unlock,
 #endif
 };
+EXPORT_SYMBOL_GPL(pv_lock_ops);
 
 EXPORT_SYMBOL_GPL(pv_time_ops);
 EXPORT_SYMBOL    (pv_cpu_ops);