1 files changed, 23 insertions, 24 deletions

diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c
index 4b21d29fb5aa..9a699ed03598 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -63,7 +63,7 @@ static DECLARE_WAIT_QUEUE_HEAD(mce_wait);
  * separate MCEs from kernel messages to avoid bogus bug reports.
  */
 
-struct mce_log mcelog = {
+static struct mce_log mcelog = {
         MCE_LOG_SIGNATURE,
         MCE_LOG_LEN,
 };
@@ -80,7 +80,7 @@ void mce_log(struct mce *mce)
                         /* When the buffer fills up discard new entries. Assume
                            that the earlier errors are the more interesting. */
                         if (entry >= MCE_LOG_LEN) {
-                                set_bit(MCE_OVERFLOW, &mcelog.flags);
+                                set_bit(MCE_OVERFLOW, (unsigned long *)&mcelog.flags);
                                 return;
                         }
                         /* Old left over entry. Skip. */
@@ -110,12 +110,12 @@ static void print_mce(struct mce *m)
                KERN_EMERG
                "CPU %d: Machine Check Exception: %16Lx Bank %d: %016Lx\n",
                m->cpu, m->mcgstatus, m->bank, m->status);
-        if (m->rip) {
+        if (m->ip) {
                 printk(KERN_EMERG "RIP%s %02x:<%016Lx> ",
                        !(m->mcgstatus & MCG_STATUS_EIPV) ? " !INEXACT!" : "",
-                       m->cs, m->rip);
+                       m->cs, m->ip);
                 if (m->cs == __KERNEL_CS)
-                        print_symbol("{%s}", m->rip);
+                        print_symbol("{%s}", m->ip);
                 printk("\n");
         }
         printk(KERN_EMERG "TSC %Lx ", m->tsc);
@@ -156,16 +156,16 @@ static int mce_available(struct cpuinfo_x86 *c)
 static inline void mce_get_rip(struct mce *m, struct pt_regs *regs)
 {
         if (regs && (m->mcgstatus & MCG_STATUS_RIPV)) {
-                m->rip = regs->rip;
+                m->ip = regs->ip;
                 m->cs = regs->cs;
         } else {
-                m->rip = 0;
+                m->ip = 0;
                 m->cs = 0;
         }
         if (rip_msr) {
                 /* Assume the RIP in the MSR is exact. Is this true? */
                 m->mcgstatus |= MCG_STATUS_EIPV;
-                rdmsrl(rip_msr, m->rip);
+                rdmsrl(rip_msr, m->ip);
                 m->cs = 0;
         }
 }
@@ -192,10 +192,10 @@ void do_machine_check(struct pt_regs * regs, long error_code)
 
         atomic_inc(&mce_entry);
 
-        if (regs)
-                notify_die(DIE_NMI, "machine check", regs, error_code, 18,
-                           SIGKILL);
-        if (!banks)
+        if ((regs
+             && notify_die(DIE_NMI, "machine check", regs, error_code,
+                           18, SIGKILL) == NOTIFY_STOP)
+            || !banks)
                 goto out2;
 
         memset(&m, 0, sizeof(struct mce));
@@ -288,7 +288,7 @@ void do_machine_check(struct pt_regs * regs, long error_code)
                  * instruction which caused the MCE.
                  */
                 if (m.mcgstatus & MCG_STATUS_EIPV)
-                        user_space = panicm.rip && (panicm.cs & 3);
+                        user_space = panicm.ip && (panicm.cs & 3);
 
                 /*
                  * If we know that the error was in user space, send a
@@ -564,7 +564,7 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
                         loff_t *off)
 {
         unsigned long *cpu_tsc;
-        static DECLARE_MUTEX(mce_read_sem);
+        static DEFINE_MUTEX(mce_read_mutex);
         unsigned next;
         char __user *buf = ubuf;
         int i, err;
@@ -573,12 +573,12 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
         if (!cpu_tsc)
                 return -ENOMEM;
 
-        down(&mce_read_sem);
+        mutex_lock(&mce_read_mutex);
         next = rcu_dereference(mcelog.next);
 
         /* Only supports full reads right now */
         if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) {
-                up(&mce_read_sem);
+                mutex_unlock(&mce_read_mutex);
                 kfree(cpu_tsc);
                 return -EINVAL;
         }
@@ -621,7 +621,7 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
                         memset(&mcelog.entry[i], 0, sizeof(struct mce));
                 }
         }
-        up(&mce_read_sem);
+        mutex_unlock(&mce_read_mutex);
         kfree(cpu_tsc);
         return err ? -EFAULT : buf - ubuf;
 }
@@ -634,8 +634,7 @@ static unsigned int mce_poll(struct file *file, poll_table *wait)
         return 0;
 }
 
-static int mce_ioctl(struct inode *i, struct file *f,unsigned int cmd,
-                     unsigned long arg)
+static long mce_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
 {
         int __user *p = (int __user *)arg;
 
@@ -664,7 +663,7 @@ static const struct file_operations mce_chrdev_ops = {
         .release = mce_release,
         .read = mce_read,
         .poll = mce_poll,
-        .ioctl = mce_ioctl,
+        .unlocked_ioctl = mce_ioctl,
 };
 
 static struct miscdevice mce_log_device = {
@@ -745,7 +744,7 @@ static void mce_restart(void)
 
 static struct sysdev_class mce_sysclass = {
         .resume = mce_resume,
-        set_kset_name("machinecheck"),
+        .name = "machinecheck",
 };
 
 DEFINE_PER_CPU(struct sys_device, device_mce);
@@ -855,8 +854,8 @@ static void mce_remove_device(unsigned int cpu)
 }
 
 /* Get notified when a cpu comes on/off. Be hotplug friendly. */
-static int
-mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
+static int __cpuinit mce_cpu_callback(struct notifier_block *nfb,
+                                      unsigned long action, void *hcpu)
 {
         unsigned int cpu = (unsigned long)hcpu;
 
@@ -873,7 +872,7 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
         return NOTIFY_OK;
 }
 
-static struct notifier_block mce_cpu_notifier = {
+static struct notifier_block mce_cpu_notifier __cpuinitdata = {
         .notifier_call = mce_cpu_callback,
 };