tracing/kprobes: Add short documentation for HAVE_REGS_AND_STACK_ACCESS_API

[net-next-2.6.git] / arch / Kconfig

diff --git a/arch/Kconfig b/arch/Kconfig
index 04e3aa77da25e7715ff2fa9f66600a9981764fb4..50877ef25844164bcabf1587ca1c4232cbcc0834 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -123,6 +123,11 @@ config USE_GENERIC_SMP_HELPERS
 
 config HAVE_REGS_AND_STACK_ACCESS_API
        bool
+       help
+         This symbol should be selected by an architecure if it supports
+         the API needed to access registers and stack entries from pt_regs,
+         declared in asm/ptrace.h
+         For example the kprobes-based event tracer needs this API.
 
 config HAVE_CLK
        bool