[patch 1/2] kernel/smp: replace schedule_timeout() with ssleep()

[patch 1/2] kernel/smp: replace schedule_timeout() with ssleep()

[domen]

[-- Attachment #1: ssleep-kernel_power_smp.patch --]
[-- Type: text/plain, Size: 1103 bytes --]

From: Nishanth Aravamudan <nacc@us.ibm.com>



Use ssleep() instead of schedule_timeout(). The original code uses
TASK_INTERRUPTIBLE, but does not check for signals, so I believe the change to
ssleep() is appropriate.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Domen Puncer <domen@coderock.org>
---
 smp.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

Index: quilt/kernel/power/smp.c
===================================================================
--- quilt.orig/kernel/power/smp.c
+++ quilt/kernel/power/smp.c
@@ -13,6 +13,7 @@
 #include <linux/interrupt.h>
 #include <linux/suspend.h>
 #include <linux/module.h>
+#include <linux/delay.h>
 #include <asm/atomic.h>
 #include <asm/tlbflush.h>
 
@@ -49,8 +50,7 @@ void disable_nonboot_cpus(void)
 	oldmask = current->cpus_allowed;
 	set_cpus_allowed(current, cpumask_of_cpu(0));
 	printk("Freezing CPUs (at %d)", _smp_processor_id());
-	current->state = TASK_INTERRUPTIBLE;
-	schedule_timeout(HZ);
+	ssleep(1);
 	printk("...");
 	BUG_ON(_smp_processor_id() != 0);
 

--