From bab9bc6583fe6c1660d6ed36dd14bbb4edfaf393 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Thu, 9 Jul 2009 00:31:38 +0200 Subject: 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: Andi Kleen Signed-off-by: H. Peter Anvin --- arch/x86/Kconfig | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 5962b872a7a..134a8c0d80d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -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 -- cgit v1.2.3