From: David A. Long <dave.long@linaro.org>
Date: Fri, 7 Mar 2014 15:32:22 +0000 (-0500)
Subject: uprobes: Kconfig dependency fix
X-Git-Tag: firefly_0821_release~176^2~4085^2^2~1^2~14
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=09294e31b1779dda22f420c195994a0db54c9a92;p=firefly-linux-kernel-4.4.55.git

uprobes: Kconfig dependency fix

Suggested change from Oleg Nesterov. Fixes incomplete dependencies
for uprobes feature.

Signed-off-by: David A. Long <dave.long@linaro.org>
Acked-by: Oleg Nesterov <oleg@redhat.com>
---

diff --git a/arch/Kconfig b/arch/Kconfig
index 80bbb8ccd0d1..97ff872c7acc 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -86,9 +86,7 @@ config KPROBES_ON_FTRACE
 	 optimize on top of function tracing.
 
 config UPROBES
-	bool "Transparent user-space probes (EXPERIMENTAL)"
-	depends on UPROBE_EVENT && PERF_EVENTS
-	default n
+	def_bool n
 	select PERCPU_RWSEM
 	help
 	  Uprobes is the user-space counterpart to kprobes: they
@@ -101,8 +99,6 @@ config UPROBES
 	    managed by the kernel and kept transparent to the probed
 	    application. )
 
-	  If in doubt, say "N".
-
 config HAVE_64BIT_ALIGNED_ACCESS
 	def_bool 64BIT && !HAVE_EFFICIENT_UNALIGNED_ACCESS
 	help
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 015f85aaca08..8639819f6cef 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -424,6 +424,7 @@ config UPROBE_EVENT
 	bool "Enable uprobes-based dynamic events"
 	depends on ARCH_SUPPORTS_UPROBES
 	depends on MMU
+	depends on PERF_EVENTS
 	select UPROBES
 	select PROBE_EVENTS
 	select TRACING