* [PATCH] ACPI: Kconfig: Provide help text for the ACPI_PRMT option
@ 2021-07-01 16:34 Rafael J. Wysocki
0 siblings, 0 replies; only message in thread
From: Rafael J. Wysocki @ 2021-07-01 16:34 UTC (permalink / raw)
To: Linux ACPI; +Cc: LKML, Borislav Petkov
From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add missing help text for CONFIG_ACPI_PRMT.
Fixes: cefc7ca46235 ("ACPI: PRM: implement OperationRegion handler for the PlatformRtMechanism subtype")
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/acpi/Kconfig | 10 ++++++++++
1 file changed, 10 insertions(+)
Index: linux-pm/drivers/acpi/Kconfig
===================================================================
--- linux-pm.orig/drivers/acpi/Kconfig
+++ linux-pm/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.
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2021-07-01 16:35 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-07-01 16:34 [PATCH] ACPI: Kconfig: Provide help text for the ACPI_PRMT option Rafael J. Wysocki
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox