Merge tag 'perf-urgent-2021-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / drivers / acpi / Kconfig

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index fe0bb62..9d872ea 100644 (file)
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -551,3 +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.