--- ../tmp/linux-2.6.0-test3/arch/i386/kernel/msr.c 2003-07-27 22:28:41.000000000 +0400 +++ linux-2.6.0-test3-smp/arch/i386/kernel/msr.c 2003-08-10 18:06:30.000000000 +0400 @@ -37,6 +37,8 @@ #include #include +#include + #include #include #include @@ -263,17 +265,28 @@ static struct file_operations msr_fops = int __init msr_init(void) { + int i; + if (register_chrdev(MSR_MAJOR, "cpu/msr", &msr_fops)) { printk(KERN_ERR "msr: unable to get major %d for msr\n", MSR_MAJOR); return -EBUSY; } + + for (i = 0; i < NR_CPUS; i++) + devfs_mk_cdev(MKDEV(MSR_MAJOR, i), S_IFCHR | S_IRUSR | S_IWUSR, + "cpu/%d/msr", i); return 0; } void __exit msr_exit(void) { + int i; + + for (i = 0; i < NR_CPUS; i++) + devfs_remove("cpu/%d/msr", i); + unregister_chrdev(MSR_MAJOR, "cpu/msr"); }