Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 148863
b: refs/heads/master
c: 9142508
h: refs/heads/master
i:
  148861: d537931
  148859: b7133e1
  148855: 51d22b4
  148847: d4d757c
  148831: 2c559a9
  148799: 16d1539
  148735: 64fbab6
v: v3
  • Loading branch information
Ingo Molnar authored and H. Peter Anvin committed May 28, 2009
1 parent 8223f4c commit b173310
Show file tree
Hide file tree
Showing 2 changed files with 12 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: efee4ca80980f97b60e91e3322c3342f19623eff
refs/heads/master: 91425084f74c0ad087b3fb6bdad79a825f952720
17 changes: 11 additions & 6 deletions trunk/arch/x86/kernel/cpu/mcheck/winchip.c
Original file line number Diff line number Diff line change
Expand Up @@ -2,19 +2,18 @@
* IDT Winchip specific Machine Check Exception Reporting
* (C) Copyright 2002 Alan Cox <alan@lxorguk.ukuu.org.uk>
*/

#include <linux/init.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>

#include <asm/processor.h>
#include <asm/system.h>
#include <asm/msr.h>

#include "mce.h"

/* Machine check handler for WinChip C6 */
/* Machine check handler for WinChip C6: */
static void winchip_machine_check(struct pt_regs *regs, long error_code)
{
printk(KERN_EMERG "CPU0: Machine Check Exception.\n");
Expand All @@ -25,12 +24,18 @@ static void winchip_machine_check(struct pt_regs *regs, long error_code)
void winchip_mcheck_init(struct cpuinfo_x86 *c)
{
u32 lo, hi;

machine_check_vector = winchip_machine_check;
/* Make sure the vector pointer is visible before we enable MCEs: */
wmb();

rdmsr(MSR_IDT_FCR1, lo, hi);
lo |= (1<<2); /* Enable EIERRINT (int 18 MCE) */
lo &= ~(1<<4); /* Enable MCE */
wrmsr(MSR_IDT_FCR1, lo, hi);

set_in_cr4(X86_CR4_MCE);
printk(KERN_INFO "Winchip machine check reporting enabled on CPU#0.\n");

printk(KERN_INFO
"Winchip machine check reporting enabled on CPU#0.\n");
}

0 comments on commit b173310

Please sign in to comment.