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Sleep instead of busy waiting.
[cascardo/kernel/samples/workqueue/.git]
/
block_wq.c
diff --git
a/block_wq.c
b/block_wq.c
index
ae6d8ab
..
751728c
100644
(file)
--- a/
block_wq.c
+++ b/
block_wq.c
@@
-29,12
+29,9
@@
MODULE_AUTHOR("Thadeu Lima de Souza Cascardo");
static void work_block(struct work_struct *work)
{
static void work_block(struct work_struct *work)
{
- unsigned long tmp = jiffies + 5 * HZ;
printk(KERN_INFO "Blocking other works in the queue\n");
printk(KERN_INFO "Executing task in CPU %d\n", smp_processor_id());
printk(KERN_INFO "Blocking other works in the queue\n");
printk(KERN_INFO "Executing task in CPU %d\n", smp_processor_id());
- /* We also kick the CPU high */
- while (!time_after(jiffies, tmp))
- cpu_relax();
+ msleep(5);
}
static void work_print(struct work_struct *work)
}
static void work_print(struct work_struct *work)