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-rw-r--r--arch/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 89b0efb50948..35084f280087 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -147,5 +147,9 @@ config HAVE_USER_RETURN_NOTIFIER
config HAVE_PERF_EVENTS_NMI
bool
+ help
+ System hardware can generate an NMI using the perf event
+ subsystem. Also has support for calculating CPU cycle events
+ to determine how many clock cycles in a given period.
source "kernel/gcov/Kconfig"