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Subject[PATCH v2 2/5] acpi, apei, ghes: Introduce ACPI_APEI_NMI to make NMI error notification a GHES feature.
Currently APEI depends on x86 architecture. It is because of NMI hardware
error notification of GHES which is currently supported by x86 only.
However, many other APEI features can be still used perfectly by other

This commit adds ACPI_APEI_NMI which will be used in next patches to isolate
NMI related code in ghes.c file. Only NMI error notification feature
depends on x86 and it is selected by default for x86 arch.

Signed-off-by: Tomasz Nowicki <>
drivers/acpi/apei/Kconfig | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index c4dac71..4b734a2 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -3,7 +3,6 @@ config ACPI_APEI
select PSTORE
select UEFI_CPER
- depends on X86
APEI allows to report errors (for example from the chipset)
to the operating system. This improves NMI handling
@@ -26,6 +25,15 @@ config ACPI_APEI_GHES
by firmware to produce more valuable hardware error
information for Linux.

+ bool "NMI error notification support"
+ default y
+ depends on ACPI_APEI_GHES && X86
+ help
+ Firmware first mode can use NMI notification mechanism to report errors
+ to operating system. This feature is currently supported by X86
+ architecture only.
bool "APEI PCIe AER logging/recovering support"
depends on ACPI_APEI && PCIEAER

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