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-rw-r--r--arch/ppc/kernel/smp-tbsync.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/ppc/kernel/smp-tbsync.c b/arch/ppc/kernel/smp-tbsync.c
index 1576758debaf..d0cf3f86931d 100644
--- a/arch/ppc/kernel/smp-tbsync.c
+++ b/arch/ppc/kernel/smp-tbsync.c
@@ -47,8 +47,9 @@ void __devinit
47smp_generic_take_timebase( void ) 47smp_generic_take_timebase( void )
48{ 48{
49 int cmd, tbl, tbu; 49 int cmd, tbl, tbu;
50 unsigned long flags;
50 51
51 local_irq_disable(); 52 local_irq_save(flags);
52 while( !running ) 53 while( !running )
53 ; 54 ;
54 rmb(); 55 rmb();
@@ -64,7 +65,7 @@ smp_generic_take_timebase( void )
64 tbu = tbsync->tbu; 65 tbu = tbsync->tbu;
65 tbsync->ack = 0; 66 tbsync->ack = 0;
66 if( cmd == kExit ) 67 if( cmd == kExit )
67 return; 68 break;
68 69
69 if( cmd == kSetAndTest ) { 70 if( cmd == kSetAndTest ) {
70 while( tbsync->handshake ) 71 while( tbsync->handshake )
@@ -77,7 +78,7 @@ smp_generic_take_timebase( void )
77 } 78 }
78 enter_contest( tbsync->mark, -1 ); 79 enter_contest( tbsync->mark, -1 );
79 } 80 }
80 local_irq_enable(); 81 local_irq_restore(flags);
81} 82}
82 83
83static int __devinit 84static int __devinit