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Commit bab9bc65 authored by Andi Kleen's avatar Andi Kleen Committed by H. Peter Anvin
Browse files

x86: mce: Update X86_MCE description in x86/Kconfig 



- Clarify that this config controls thermal throttling
reporting too
- Clarify the types of errors reported by machine checks
- Drop references to ancient CPUs.

Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent c31d9633

arch/x86/Kconfig

+4 −12
Original line number Diff line number Diff line
@@ -774,20 +774,12 @@ config X86_REROUTE_FOR_BROKEN_BOOT_IRQS 
	  increased on these systems.



config X86_MCE

	bool "Machine Check Exception"

	bool "Machine Check / overheating reporting"

	---help---

	  Machine Check Exception support allows the processor to notify the

	  kernel if it detects a problem (e.g. overheating, component failure).

	  Machine Check support allows the processor to notify the

	  kernel if it detects a problem (e.g. overheating, data corruption).

	  The action the kernel takes depends on the severity of the problem,

	  ranging from a warning message on the console, to halting the machine.

	  Your processor must be a Pentium or newer to support this - check the

	  flags in /proc/cpuinfo for mce.  Note that some older Pentium systems

	  have a design flaw which leads to false MCE events - hence MCE is

	  disabled on all P5 processors, unless explicitly enabled with "mce"

	  as a boot argument.  Similarly, if MCE is built in and creates a

	  problem on some new non-standard machine, you can boot with "nomce"

	  to disable it.  MCE support simply ignores non-MCE processors like

	  the 386 and 486, so nearly everyone can say Y here.

	  ranging from warning messages to halting the machine.



config X86_OLD_MCE

	depends on X86_32 && X86_MCE