diff options
-rw-r--r-- | arch/x86/Kconfig | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 5962b872a7ad..134a8c0d80dd 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig | |||
@@ -774,20 +774,12 @@ config X86_REROUTE_FOR_BROKEN_BOOT_IRQS | |||
774 | increased on these systems. | 774 | increased on these systems. |
775 | 775 | ||
776 | config X86_MCE | 776 | config X86_MCE |
777 | bool "Machine Check Exception" | 777 | bool "Machine Check / overheating reporting" |
778 | ---help--- | 778 | ---help--- |
779 | Machine Check Exception support allows the processor to notify the | 779 | Machine Check support allows the processor to notify the |
780 | kernel if it detects a problem (e.g. overheating, component failure). | 780 | kernel if it detects a problem (e.g. overheating, data corruption). |
781 | The action the kernel takes depends on the severity of the problem, | 781 | The action the kernel takes depends on the severity of the problem, |
782 | ranging from a warning message on the console, to halting the machine. | 782 | ranging from warning messages to halting the machine. |
783 | Your processor must be a Pentium or newer to support this - check the | ||
784 | flags in /proc/cpuinfo for mce. Note that some older Pentium systems | ||
785 | have a design flaw which leads to false MCE events - hence MCE is | ||
786 | disabled on all P5 processors, unless explicitly enabled with "mce" | ||
787 | as a boot argument. Similarly, if MCE is built in and creates a | ||
788 | problem on some new non-standard machine, you can boot with "nomce" | ||
789 | to disable it. MCE support simply ignores non-MCE processors like | ||
790 | the 386 and 486, so nearly everyone can say Y here. | ||
791 | 783 | ||
792 | config X86_OLD_MCE | 784 | config X86_OLD_MCE |
793 | depends on X86_32 && X86_MCE | 785 | depends on X86_32 && X86_MCE |