md: Protect access to mddev->disks list using RCU

[pandora-kernel.git] / arch / ppc / kernel / smp-tbsync.c

diff --git a/arch/ppc/kernel/smp-tbsync.c b/arch/ppc/kernel/smp-tbsync.c
index 1576758..d0cf3f8 100644 (file)
--- a/arch/ppc/kernel/smp-tbsync.c
+++ b/arch/ppc/kernel/smp-tbsync.c
@@ -47,8 +47,9 @@ void __devinit
 smp_generic_take_timebase( void )
 {
        int cmd, tbl, tbu;
+       unsigned long flags;
 
-       local_irq_disable();
+       local_irq_save(flags);
        while( !running )
                ;
        rmb();
@@ -64,7 +65,7 @@ smp_generic_take_timebase( void )
                tbu = tbsync->tbu;
                tbsync->ack = 0;
                if( cmd == kExit )
-                       return;
+                       break;
 
                if( cmd == kSetAndTest ) {
                        while( tbsync->handshake )
@@ -77,7 +78,7 @@ smp_generic_take_timebase( void )
                }
                enter_contest( tbsync->mark, -1 );
        }
-       local_irq_enable();
+       local_irq_restore(flags);
 }
 
 static int __devinit