diff options
Diffstat (limited to 'drivers/acpi/Kconfig')
| -rw-r--r-- | drivers/acpi/Kconfig | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 6efe2ac6902f..e11faae81ed9 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -372,4 +372,25 @@ config ACPI_BGRT source "drivers/acpi/apei/Kconfig" +config ACPI_EXTLOG + tristate "Extended Error Log support" + depends on X86_MCE && X86_LOCAL_APIC + select EFI + select UEFI_CPER + default n + help + Certain usages such as Predictive Failure Analysis (PFA) require + more information about the error than what can be described in + processor machine check banks. Most server processors log + additional information about the error in processor uncore + registers. Since the addresses and layout of these registers vary + widely from one processor to another, system software cannot + readily make use of them. To complicate matters further, some of + the additional error information cannot be constructed without + detailed knowledge about platform topology. + + Enhanced MCA Logging allows firmware to provide additional error + information to system software, synchronous with MCE or CMCI. This + driver adds support for that functionality. + endif # ACPI |