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[PATCH] x86: x86 clean up nmi panic messages 

Clean up some of the output messages on the nmi error paths to make more
sense when they are displayed.  This is mainly a cosmetic fix and
shouldn't impact any normal code path.

Signed-off-by:  Don Zickus <dzickus@redhat.com>
Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
Don Zickus 2006-09-26 10:52:27 +02:00 коммит произвёл Andi Kleen
Родитель 8da5adda91
Коммит c41c5cd3b2
2 изменённых файлов: 22 добавлений и 14 удалений
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15
arch/i386/kernel/traps.c
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@ -631,13 +631,15 @@ gp_in_kernel:
static void mem_parity_error(unsigned char reason, struct pt_regs * regs)
{
printk(KERN_EMERG "Uhhuh. NMI received. Dazed and confused, but trying "
"to continue\n");
printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x on "
"CPU %d.\n", reason, smp_processor_id());
printk(KERN_EMERG "You probably have a hardware problem with your RAM "
"chips\n");
if (panic_on_unrecovered_nmi)
panic("NMI: Not continuing");
printk(KERN_EMERG "Dazed and confused, but trying to continue\n");
/* Clear and disable the memory parity error line. */
clear_mem_error(reason);
}
@ -668,14 +670,13 @@ static void unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
return;
}
#endif
printk("Uhhuh. NMI received for unknown reason %02x on CPU %d.\n",
reason, smp_processor_id());
printk("Dazed and confused, but trying to continue\n");
printk("Do you have a strange power saving mode enabled?\n");
printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x on "
"CPU %d.\n", reason, smp_processor_id());
printk(KERN_EMERG "Do you have a strange power saving mode enabled?\n");
if (panic_on_unrecovered_nmi)
panic("NMI: Not continuing");
printk(KERN_EMERG "Dazed and confused, but trying to continue\n");
}
static DEFINE_SPINLOCK(nmi_print_lock);

21
arch/x86_64/kernel/traps.c
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@ -730,10 +730,15 @@ asmlinkage void __kprobes do_general_protection(struct pt_regs * regs,
static __kprobes void
mem_parity_error(unsigned char reason, struct pt_regs * regs)
{
printk("Uhhuh. NMI received. Dazed and confused, but trying to continue\n");
printk("You probably have a hardware problem with your RAM chips\n");
printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x.\n",
reason);
printk(KERN_EMERG "You probably have a hardware problem with your "
"RAM chips\n");
if (panic_on_unrecovered_nmi)
panic("NMI: Not continuing");
panic("NMI: Not continuing");
printk(KERN_EMERG "Dazed and confused, but trying to continue\n");
/* Clear and disable the memory parity error line. */
reason = (reason & 0xf) | 4;
@ -756,13 +761,15 @@ io_check_error(unsigned char reason, struct pt_regs * regs)
static __kprobes void
unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
{ printk("Uhhuh. NMI received for unknown reason %02x.\n", reason);
printk("Dazed and confused, but trying to continue\n");
printk("Do you have a strange power saving mode enabled?\n");
{
printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x.\n",
reason);
printk(KERN_EMERG "Do you have a strange power saving mode enabled?\n");
if (panic_on_unrecovered_nmi)
panic("NMI: Not continuing");
panic("NMI: Not continuing");
printk(KERN_EMERG "Dazed and confused, but trying to continue\n");
}
/* Runs on IST stack. This code must keep interrupts off all the time.