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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-07-01 19:34:52 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-07-01 19:49:05 +0300 |
| commit | 9b52363b9283376c868679bdcd6e19405a4aca5a (patch) | |
| tree | c387f74e4daa9d875a60bec10cf3a3b03fbbc193 /drivers/acpi | |
| parent | d7a188bb87d8da78a1ef0dea53f1639f3daf0790 (diff) | |
| download | linux-9b52363b9283376c868679bdcd6e19405a4aca5a.tar.xz | |
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 <bp@alien8.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
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. |