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| author | Tony Luck <tony.luck@intel.com> | 2017-03-27 11:33:03 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-03-28 08:55:01 +0200 |
| commit | 5de97c9f6d85fd83af76e09e338b18e7adb1ae60 (patch) | |
| tree | 22c9624f8d825df19c4ff1bbec04abfd59c1ac72 /arch/x86/Kconfig | |
| parent | 011d8261117249eab97bc86a8e1ac7731e03e319 (diff) | |
| download | lwn-5de97c9f6d85fd83af76e09e338b18e7adb1ae60.tar.gz lwn-5de97c9f6d85fd83af76e09e338b18e7adb1ae60.zip | |
x86/mce: Factor out and deprecate the /dev/mcelog driver
Move all code relating to /dev/mcelog to a separate source file.
/dev/mcelog driver can now operate from the machine check notifier with
lowest prio.
Signed-off-by: Tony Luck <tony.luck@intel.com>
[ Move the mce_helper and trigger functionality behind CONFIG_X86_MCELOG_LEGACY. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170327093304.10683-6-bp@alien8.de
[ Renamed CONFIG_X86_MCELOG to CONFIG_X86_MCELOG_LEGACY. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index cc98d5a294ee..43e6bac6b950 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1043,6 +1043,14 @@ config X86_MCE The action the kernel takes depends on the severity of the problem, ranging from warning messages to halting the machine. +config X86_MCELOG_LEGACY + bool "Support for deprecated /dev/mcelog character device" + depends on X86_MCE + ---help--- + Enable support for /dev/mcelog which is needed by the old mcelog + userspace logging daemon. Consider switching to the new generation + rasdaemon solution. + config X86_MCE_INTEL def_bool y prompt "Intel MCE features" @@ -1072,7 +1080,7 @@ config X86_MCE_THRESHOLD def_bool y config X86_MCE_INJECT - depends on X86_MCE && X86_LOCAL_APIC + depends on X86_MCE && X86_LOCAL_APIC && X86_MCELOG_LEGACY tristate "Machine check injector support" ---help--- Provide support for injecting machine checks for testing purposes. |