linux-kernel - [PATCH -next] latencytop: fix kconfig dependency warnings

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Message-Id: <20100812123121.a7c99cde.randy.dunlap@oracle.com>
Date:	Thu, 12 Aug 2010 12:31:21 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	linux-next@...r.kernel.org,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Ingo Molnar <mingo@...e.hu>
Subject: [PATCH -next] latencytop: fix kconfig dependency warnings

From: Randy Dunlap <randy.dunlap@...cle.com>

warning: (LATENCYTOP && HAVE_LATENCYTOP_SUPPORT) selects SCHED_DEBUG which has unmet direct dependencies (DEBUG_KERNEL && PROC_FS)
warning: (LATENCYTOP && HAVE_LATENCYTOP_SUPPORT) selects SCHEDSTATS which has unmet direct dependencies (DEBUG_KERNEL && PROC_FS)

Add depends on STACKTRACE_SUPPORT for 'select STACKTRACE'.
Add depends on PROC_FS since that is where the output goes.

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
Cc: Arjan van de Ven <arjan@...ux.intel.com>
Cc: Ingo Molnar <mingo@...e.hu>
---
 lib/Kconfig.debug |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- linux-next-20100810.orig/lib/Kconfig.debug
+++ linux-next-20100810/lib/Kconfig.debug
@@ -1004,13 +1004,16 @@ config FAULT_INJECTION_STACKTRACE_FILTER
 
 config LATENCYTOP
 	bool "Latency measuring infrastructure"
+	depends on HAVE_LATENCYTOP_SUPPORT
+	depends on DEBUG_KERNEL
+	depends on STACKTRACE_SUPPORT
+	depends on PROC_FS
 	select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE
 	select KALLSYMS
 	select KALLSYMS_ALL
 	select STACKTRACE
 	select SCHEDSTATS
 	select SCHED_DEBUG
-	depends on HAVE_LATENCYTOP_SUPPORT
 	help
 	  Enable this option if you want to use the LatencyTOP tool
 	  to find out which userspace is blocking on what kernel operations.
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