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yaml
---
r: 163031
b: refs/heads/master
c: bab9bc6
h: refs/heads/master
i:
  163029: d7453e5
  163027: c1beb59
  163023: 4c2008e
v: v3
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Andi Kleen authored and H. Peter Anvin committed Jul 10, 2009
1 parent e1dded9 commit a722d9c
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: c31d96338a6041520ba5f1b6a4a5012ef00686b3
refs/heads/master: bab9bc6583fe6c1660d6ed36dd14bbb4edfaf393
16 changes: 4 additions & 12 deletions trunk/arch/x86/Kconfig
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Expand Up @@ -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
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