add oscourse shiyan3 task2

LAYERVERSION_meta-oscourse = "1"

LAYERDEPENDS_meta-oscourse = "core"

LAYERSERIES_COMPAT_meta-oscourse = "honister"

MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS += "hello kmalloc-mod vmalloc-mod request-region request-mem-region kthread"    

MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS += "hello kmalloc-mod vmalloc-mod request-region request-mem-region kthread kthbindcpu"    

KERNEL_MODULE_AUTOLOAD += "hello kmalloc-mod vmalloc-mod request-region request-mem-region "

obj-m += kthbindcpu.o

SRC := $(shell pwd)

all:

	$(MAKE) -C $(KERNEL_SRC) M=$(SRC)

modules_install:

	$(MAKE) -C $(KERNEL_SRC) M=$(SRC) modules_install

clean:

	$(MAKE) -C $(KERNEL_SRC) M=$(SRC) clean

#include <linux/module.h>

#include <linux/kthread.h> 

#include <linux/sched.h> 

#include <linux/delay.h> 

static struct task_struct *thr = NULL;

static int demo_thr(void *data)

{

    while(!kthread_should_stop())

    {

         printk(KERN_ALERT"hello kernel thread  kthreadtest ,bind cpu %d\n" ,thr->cpu);

         msleep(9000);      

     }

    return 0;

}

static int __init kth_bindCPU_init(void)

{

    int num = 0;

	printk(KERN_ALERT"Kernel  thread start!\n");

    thr = kthread_create(demo_thr,NULL,"kth_bindCPU-demo");

    if(!thr)

    {

         printk(KERN_ERR"kthread_create fail\n");

         return -1;

    }

    num = num_online_cpus(  );

    printk(KERN_ALERT"online cpus num %d\n",num);

    kthread_bind(thr,num-1);

    wake_up_process(thr);

	return 0;

}

static void __exit kth_bindCPU_exit(void)

{

   if(thr)

   { 

         kthread_stop(thr);

         thr =NULL;

    }

	printk(KERN_ALERT"Kill kernel  thread.\n");

}

module_init(kth_bindCPU_init);

module_exit(kth_bindCPU_exit);

MODULE_LICENSE("GPL");

LICENSE = "CLOSED"

SRC_URI = "file://kthbindcpu.c \

           file://Makefile \

         "

inherit module 

S = "${WORKDIR}"

# The inherit of module.bbclass will automatically name module packages with

# "kernel-module-" prefix as required by the oe-core build environment.

RPROVIDES:${PN} += "kernel-module-kthread"