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Subject[PATCH 1/9] x86, mce: Enable MCA support by default
From: Borislav Petkov <>

MCA is the basic support for hardware error logging and reporting, and
it is majorly unwise to run without it so enable machine check software
support by default on x86.

Signed-off-by: Borislav Petkov <>
arch/x86/Kconfig | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 6a47bb2..afb7a19 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -841,6 +841,7 @@ config X86_REROUTE_FOR_BROKEN_BOOT_IRQS

config X86_MCE
bool "Machine Check / overheating reporting"
+ default y
Machine Check support allows the processor to notify the
kernel if it detects a problem (e.g. overheating, data corruption).

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