pkt_sched: Add qdisc_all_tx_empty()

[linux-2.6-omap-h63xx.git] / kernel / stop_machine.c

diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index e1b2a5b1b105452f3f741fa285c51358075cfb26..b7350bbfb076293dd6d13d7ba060b3aba1f673a9 100644 (file)
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -11,7 +11,6 @@
 #include <linux/interrupt.h>
 
 #include <asm/atomic.h>
-#include <asm/semaphore.h>
 #include <asm/uaccess.h>
 
 /* Since we effect priority and affinity (both of which are visible
@@ -63,8 +62,7 @@ static int stopmachine(void *cpu)
                 * help our sisters onto their CPUs. */
                if (!prepared && !irqs_disabled)
                        yield();
-               else
-                       cpu_relax();
+               cpu_relax();
        }
 
        /* Ack: we are exiting. */
@@ -107,8 +105,10 @@ static int stop_machine(void)
        }
 
        /* Wait for them all to come to life. */
-       while (atomic_read(&stopmachine_thread_ack) != stopmachine_num_threads)
+       while (atomic_read(&stopmachine_thread_ack) != stopmachine_num_threads) {
                yield();
+               cpu_relax();
+       }
 
        /* If some failed, kill them all. */
        if (ret < 0) {
@@ -135,8 +135,7 @@ static void restart_machine(void)
        preempt_enable_no_resched();
 }
 
-struct stop_machine_data
-{
+struct stop_machine_data {
        int (*fn)(void *);
        void *data;
        struct completion done;