linux-kernel - Re: [PATCH UPDATED 3/3] tracing: Provide trace events interface for uprobes

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Date:	Tue, 08 May 2012 10:30:08 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Jim Keniston <jkenisto@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-mm <linux-mm@...ck.org>, Oleg Nesterov <oleg@...hat.com>,
	Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Anton Arapov <anton@...hat.com>
Subject: Re: [PATCH UPDATED 3/3] tracing: Provide trace events interface for
 uprobes

On Tue, 2012-05-08 at 06:12 +0200, Ingo Molnar wrote:
> FYI, this warning started to trigger in -tip, with the latest 
> uprobes patches:
> 
> warning: (UPROBE_EVENT) selects UPROBES which has unmet direct dependencies (UPROBE_EVENTS && PERF_EVENTS)

this looks to be the only UPROBE_EVENTS instance, is that a typo?

---
 arch/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/Kconfig b/arch/Kconfig
index 9e2fbb5..c160d92 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -78,7 +78,7 @@ config OPTPROBES
 
 config UPROBES
 	bool "Transparent user-space probes (EXPERIMENTAL)"
-	depends on UPROBE_EVENTS && PERF_EVENTS
+	depends on UPROBE_EVENT && PERF_EVENTS
 	default n
 	help
 	  Uprobes is the user-space counterpart to kprobes: they

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