From 9b52363b9283376c868679bdcd6e19405a4aca5a Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Thu, 1 Jul 2021 18:34:52 +0200 Subject: [PATCH] ACPI: Kconfig: Provide help text for the ACPI_PRMT option Add missing help text for CONFIG_ACPI_PRMT. Fixes: cefc7ca46235 ("ACPI: PRM: implement OperationRegion handler for the PlatformRtMechanism subtype") Reported-by: Borislav Petkov Signed-off-by: Rafael J. Wysocki --- drivers/acpi/Kconfig | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 3972de7b7565..3fec02522a6a 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -548,3 +548,13 @@ 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. -- 2.20.1