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Diffstat (limited to 'arch/x86/kernel/cpuid.c')
-rw-r--r--arch/x86/kernel/cpuid.c59
1 files changed, 1 insertions, 58 deletions
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index 7c89880eefd..a524353d93f 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -40,7 +40,6 @@
#include <linux/notifier.h>
#include <linux/uaccess.h>
#include <linux/gfp.h>
-#include <linux/slab.h>
#include <asm/processor.h>
#include <asm/msr.h>
@@ -139,57 +138,13 @@ static const struct file_operations cpuid_fops = {
.open = cpuid_open,
};
-static ssize_t print_cpu_modalias(struct device *dev,
- struct device_attribute *attr,
- char *bufptr)
-{
- int size = PAGE_SIZE;
- int i, n;
- char *buf = bufptr;
-
- n = snprintf(buf, size, "x86cpu:vendor:%04X:family:"
- "%04X:model:%04X:feature:",
- boot_cpu_data.x86_vendor,
- boot_cpu_data.x86,
- boot_cpu_data.x86_model);
- size -= n;
- buf += n;
- size -= 2;
- for (i = 0; i < NCAPINTS*32; i++) {
- if (boot_cpu_has(i)) {
- n = snprintf(buf, size, ",%04X", i);
- if (n < 0) {
- WARN(1, "x86 features overflow page\n");
- break;
- }
- size -= n;
- buf += n;
- }
- }
- *buf++ = ',';
- *buf++ = '\n';
- return buf - bufptr;
-}
-
-static DEVICE_ATTR(modalias, 0444, print_cpu_modalias, NULL);
-
static __cpuinit int cpuid_device_create(int cpu)
{
struct device *dev;
- int err;
dev = device_create(cpuid_class, NULL, MKDEV(CPUID_MAJOR, cpu), NULL,
"cpu%d", cpu);
- if (IS_ERR(dev))
- return PTR_ERR(dev);
-
- err = device_create_file(dev, &dev_attr_modalias);
- if (err) {
- /* keep device around on error. attribute is optional. */
- err = 0;
- }
-
- return 0;
+ return IS_ERR(dev) ? PTR_ERR(dev) : 0;
}
static void cpuid_device_destroy(int cpu)
@@ -227,17 +182,6 @@ static char *cpuid_devnode(struct device *dev, umode_t *mode)
return kasprintf(GFP_KERNEL, "cpu/%u/cpuid", MINOR(dev->devt));
}
-static int cpuid_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
-{
- char *buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
- if (buf) {
- print_cpu_modalias(NULL, NULL, buf);
- add_uevent_var(env, "MODALIAS=%s", buf);
- kfree(buf);
- }
- return 0;
-}
-
static int __init cpuid_init(void)
{
int i, err = 0;
@@ -256,7 +200,6 @@ static int __init cpuid_init(void)
goto out_chrdev;
}
cpuid_class->devnode = cpuid_devnode;
- cpuid_class->dev_uevent = cpuid_dev_uevent;
for_each_online_cpu(i) {
err = cpuid_device_create(i);
if (err != 0)