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-rw-r--r--drivers/acpi/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 3972de7b7565..9d872ea477a6 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -526,6 +526,9 @@ endif
source "drivers/acpi/pmic/Kconfig"
+config ACPI_VIOT
+ bool
+
endif # ACPI
config X86_PM_TIMER
@@ -548,3 +551,13 @@ config ACPI_PRMT
bool "Platform Runtime Mechanism Support"
depends on EFI && X86_64
default y
+ help
+ Platform Runtime Mechanism (PRM) is a firmware interface exposing a
+ set of binary executables that can be called from the AML interpreter
+ or directly from device drivers.
+
+ Say Y to enable the AML interpreter to execute the PRM code.
+
+ While this feature is optional in principle, leaving it out may
+ substantially increase computational overhead related to the
+ initialization of some server systems.