Merge branch 'sched/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...
[pandora-kernel.git] / arch / x86 / kernel / cpu / mcheck / k7.c
index eef63e3..f390c9f 100644 (file)
@@ -9,47 +9,50 @@
 #include <linux/interrupt.h>
 #include <linux/smp.h>
 
-#include <asm/processor.h> 
+#include <asm/processor.h>
 #include <asm/system.h>
 #include <asm/msr.h>
 
 #include "mce.h"
 
 /* Machine Check Handler For AMD Athlon/Duron */
-static fastcall void k7_machine_check(struct pt_regs * regs, long error_code)
+static void k7_machine_check(struct pt_regs *regs, long error_code)
 {
-       int recover=1;
+       int recover = 1;
        u32 alow, ahigh, high, low;
        u32 mcgstl, mcgsth;
        int i;
 
-       rdmsr (MSR_IA32_MCG_STATUS, mcgstl, mcgsth);
+       rdmsr(MSR_IA32_MCG_STATUS, mcgstl, mcgsth);
        if (mcgstl & (1<<0))    /* Recoverable ? */
-               recover=0;
+               recover = 0;
 
-       printk (KERN_EMERG "CPU %d: Machine Check Exception: %08x%08x\n",
+       printk(KERN_EMERG "CPU %d: Machine Check Exception: %08x%08x\n",
                smp_processor_id(), mcgsth, mcgstl);
 
-       for (i=1; i<nr_mce_banks; i++) {
-               rdmsr (MSR_IA32_MC0_STATUS+i*4,low, high);
+       for (i = 1; i < nr_mce_banks; i++) {
+               rdmsr(MSR_IA32_MC0_STATUS+i*4, low, high);
                if (high&(1<<31)) {
+                       char misc[20];
+                       char addr[24];
+                       misc[0] = addr[0] = '\0';
                        if (high & (1<<29))
                                recover |= 1;
                        if (high & (1<<25))
                                recover |= 2;
-                       printk (KERN_EMERG "Bank %d: %08x%08x", i, high, low);
                        high &= ~(1<<31);
                        if (high & (1<<27)) {
-                               rdmsr (MSR_IA32_MC0_MISC+i*4, alow, ahigh);
-                               printk ("[%08x%08x]", ahigh, alow);
+                               rdmsr(MSR_IA32_MC0_MISC+i*4, alow, ahigh);
+                               snprintf(misc, 20, "[%08x%08x]", ahigh, alow);
                        }
                        if (high & (1<<26)) {
-                               rdmsr (MSR_IA32_MC0_ADDR+i*4, alow, ahigh);
-                               printk (" at %08x%08x", ahigh, alow);
+                               rdmsr(MSR_IA32_MC0_ADDR+i*4, alow, ahigh);
+                               snprintf(addr, 24, " at %08x%08x", ahigh, alow);
                        }
-                       printk ("\n");
+                       printk(KERN_EMERG "CPU %d: Bank %d: %08x%08x%s%s\n",
+                               smp_processor_id(), i, high, low, misc, addr);
                        /* Clear it */
-                       wrmsr (MSR_IA32_MC0_STATUS+i*4, 0UL, 0UL);
+                       wrmsr(MSR_IA32_MC0_STATUS+i*4, 0UL, 0UL);
                        /* Serialize */
                        wmb();
                        add_taint(TAINT_MACHINE_CHECK);
@@ -57,12 +60,12 @@ static fastcall void k7_machine_check(struct pt_regs * regs, long error_code)
        }
 
        if (recover&2)
-               panic ("CPU context corrupt");
+               panic("CPU context corrupt");
        if (recover&1)
-               panic ("Unable to continue");
-       printk (KERN_EMERG "Attempting to continue.\n");
+               panic("Unable to continue");
+       printk(KERN_EMERG "Attempting to continue.\n");
        mcgstl &= ~(1<<2);
-       wrmsr (MSR_IA32_MCG_STATUS,mcgstl, mcgsth);
+       wrmsr(MSR_IA32_MCG_STATUS, mcgstl, mcgsth);
 }
 
 
@@ -78,25 +81,25 @@ void amd_mcheck_init(struct cpuinfo_x86 *c)
        machine_check_vector = k7_machine_check;
        wmb();
 
-       printk (KERN_INFO "Intel machine check architecture supported.\n");
-       rdmsr (MSR_IA32_MCG_CAP, l, h);
+       printk(KERN_INFO "Intel machine check architecture supported.\n");
+       rdmsr(MSR_IA32_MCG_CAP, l, h);
        if (l & (1<<8)) /* Control register present ? */
-               wrmsr (MSR_IA32_MCG_CTL, 0xffffffff, 0xffffffff);
+               wrmsr(MSR_IA32_MCG_CTL, 0xffffffff, 0xffffffff);
        nr_mce_banks = l & 0xff;
 
        /* Clear status for MC index 0 separately, we don't touch CTL,
         * as some K7 Athlons cause spurious MCEs when its enabled. */
        if (boot_cpu_data.x86 == 6) {
-               wrmsr (MSR_IA32_MC0_STATUS, 0x0, 0x0);
+               wrmsr(MSR_IA32_MC0_STATUS, 0x0, 0x0);
                i = 1;
        } else
                i = 0;
-       for (; i<nr_mce_banks; i++) {
-               wrmsr (MSR_IA32_MC0_CTL+4*i, 0xffffffff, 0xffffffff);
-               wrmsr (MSR_IA32_MC0_STATUS+4*i, 0x0, 0x0);
+       for (; i < nr_mce_banks; i++) {
+               wrmsr(MSR_IA32_MC0_CTL+4*i, 0xffffffff, 0xffffffff);
+               wrmsr(MSR_IA32_MC0_STATUS+4*i, 0x0, 0x0);
        }
 
-       set_in_cr4 (X86_CR4_MCE);
-       printk (KERN_INFO "Intel machine check reporting enabled on CPU#%d.\n",
+       set_in_cr4(X86_CR4_MCE);
+       printk(KERN_INFO "Intel machine check reporting enabled on CPU#%d.\n",
                smp_processor_id());
 }