x86: default corruption check to off, but put parameter default in Kconfig
Default the low memory corruption check to off, but make the default setting of
the memory_corruption_check kernel parameter a config parameter.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cbee419..7820d44 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1061,7 +1061,6 @@
config X86_CHECK_BIOS_CORRUPTION
bool "Check for low memory corruption"
- default y
help
Periodically check for memory corruption in low memory, which
is suspected to be caused by BIOS. Even when enabled in the
@@ -1082,6 +1081,14 @@
you can use memmap= to prevent the kernel from using that
memory.
+config X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK
+ bool "Set the default setting of memory_corruption_check"
+ depends on X86_CHECK_BIOS_CORRUPTION
+ default y
+ help
+ Set whether the default state of memory_corruption_check is
+ on or off.
+
config MATH_EMULATION
bool
prompt "Math emulation" if X86_32