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authorIngo Molnar <mingo@elte.hu>2008-06-25 12:32:01 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-25 12:32:01 +0200
commitda7878d75b8520c9ae00d27dfbbce546a7bfdfbb (patch)
tree547fd497a80818a60ac36831377d5df97868173c /kernel/stop_machine.c
parent0e50a4c6ab94ffe7e5515b86b5df9e5abc8c6b13 (diff)
parent543cf4cb3fe6f6cae3651ba918b9c56200b257d0 (diff)
Merge branch 'linus' into x86/pebstip-x86-pebs-2008-06-25_10.32_Wed
Diffstat (limited to 'kernel/stop_machine.c')
-rw-r--r--kernel/stop_machine.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 0101aeef7ed7..b7350bbfb076 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -62,8 +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. */
@@ -106,8 +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) {