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-rw-r--r--arch/i386/kernel/cpu/cpufreq/Kconfig13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig
index e912aae9473c..e77754ca94b4 100644
--- a/arch/i386/kernel/cpu/cpufreq/Kconfig
+++ b/arch/i386/kernel/cpu/cpufreq/Kconfig
@@ -90,10 +90,17 @@ config X86_POWERNOW_K8
If in doubt, say N.
config X86_POWERNOW_K8_ACPI
- bool
- depends on X86_POWERNOW_K8 && ACPI_PROCESSOR
- depends on !(X86_POWERNOW_K8 = y && ACPI_PROCESSOR = m)
+ bool "ACPI Support"
+ select ACPI_PROCESSOR
+ depends on X86_POWERNOW_K8
default y
+ help
+ This provides access to the K8s Processor Performance States via ACPI.
+ This driver is probably required for CPUFreq to work with multi-socket and
+ SMP systems. It is not required on at least some single-socket yet
+ multi-core systems, even if SMP is enabled.
+
+ It is safe to say Y here.
config X86_GX_SUSPMOD
tristate "Cyrix MediaGX/NatSemi Geode Suspend Modulation"