x86, mce: clean up non-fatal.c
authorIngo Molnar <mingo@elte.hu>
Wed, 8 Apr 2009 10:31:20 +0000 (12:31 +0200)
committerH. Peter Anvin <hpa@zytor.com>
Thu, 28 May 2009 16:24:10 +0000 (09:24 -0700)
Make the coding style match that of the rest of the x86 arch code.

[ Impact: cleanup ]

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
arch/x86/kernel/cpu/mcheck/non-fatal.c

index a74af128efc917384909d44b51834aaf40282647..70b710420f744ba7566b707da0c71c6dfd7086e5 100644 (file)
@@ -6,15 +6,14 @@
  * This file contains routines to check for non-fatal MCEs every 15s
  *
  */
-
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/jiffies.h>
-#include <linux/workqueue.h>
 #include <linux/interrupt.h>
-#include <linux/smp.h>
+#include <linux/workqueue.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/smp.h>
 
 #include <asm/processor.h>
 #include <asm/system.h>
@@ -22,9 +21,9 @@
 
 #include "mce.h"
 
-static int firstbank;
+static int             firstbank;
 
-#define MCE_RATE       15*HZ   /* timer rate is 15s */
+#define MCE_RATE       (15*HZ) /* timer rate is 15s */
 
 static void mce_checkregs(void *info)
 {
@@ -34,23 +33,24 @@ static void mce_checkregs(void *info)
        for (i = firstbank; i < nr_mce_banks; i++) {
                rdmsr(MSR_IA32_MC0_STATUS+i*4, low, high);
 
-               if (high & (1<<31)) {
-                       printk(KERN_INFO "MCE: The hardware reports a non "
-                               "fatal, correctable incident occurred on "
-                               "CPU %d.\n",
+               if (!(high & (1<<31)))
+                       continue;
+
+               printk(KERN_INFO "MCE: The hardware reports a non fatal, "
+                       "correctable incident occurred on CPU %d.\n",
                                smp_processor_id());
-                       printk(KERN_INFO "Bank %d: %08x%08x\n", i, high, low);
-
-                       /*
-                        * Scrub the error so we don't pick it up in MCE_RATE
-                        * seconds time.
-                        */
-                       wrmsr(MSR_IA32_MC0_STATUS+i*4, 0UL, 0UL);
-
-                       /* Serialize */
-                       wmb();
-                       add_taint(TAINT_MACHINE_CHECK);
-               }
+
+               printk(KERN_INFO "Bank %d: %08x%08x\n", i, high, low);
+
+               /*
+                * Scrub the error so we don't pick it up in MCE_RATE
+                * seconds time:
+                */
+               wrmsr(MSR_IA32_MC0_STATUS+i*4, 0UL, 0UL);
+
+               /* Serialize: */
+               wmb();
+               add_taint(TAINT_MACHINE_CHECK);
        }
 }
 
@@ -77,16 +77,17 @@ static int __init init_nonfatal_mce_checker(void)
 
        /* Some Athlons misbehave when we frob bank 0 */
        if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
-               boot_cpu_data.x86 == 6)
-                       firstbank = 1;
+                                               boot_cpu_data.x86 == 6)
+               firstbank = 1;
        else
-                       firstbank = 0;
+               firstbank = 0;
 
        /*
         * Check for non-fatal errors every MCE_RATE s
         */
        schedule_delayed_work(&mce_work, round_jiffies_relative(MCE_RATE));
        printk(KERN_INFO "Machine check exception polling timer started.\n");
+
        return 0;
 }
 module_init(init_nonfatal_mce_checker);