Merge branch 'master' into for-linus
diff --git a/kernel/power/process.c b/kernel/power/process.c
index cc2e553..5ade1bd 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/syscalls.h>
#include <linux/freezer.h>
+#include <linux/delay.h>
/*
* Timeout for stopping processes
@@ -41,7 +42,7 @@
do_gettimeofday(&start);
end_time = jiffies + TIMEOUT;
- do {
+ while (true) {
todo = 0;
read_lock(&tasklist_lock);
do_each_thread(g, p) {
@@ -62,10 +63,15 @@
todo++;
} while_each_thread(g, p);
read_unlock(&tasklist_lock);
- yield(); /* Yield is okay here */
- if (time_after(jiffies, end_time))
+ if (!todo || time_after(jiffies, end_time))
break;
- } while (todo);
+
+ /*
+ * We need to retry, but first give the freezing tasks some
+ * time to enter the regrigerator.
+ */
+ msleep(10);
+ }
do_gettimeofday(&end);
elapsed_csecs64 = timeval_to_ns(&end) - timeval_to_ns(&start);
