linux-kernel - [PATCH 4.7 091/141] tracing: Have HIST

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Date:   Thu,  6 Oct 2016 10:28:47 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, kbuild test robot <fennguang.wu@...el.com>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH 4.7 091/141] tracing: Have HIST_TRIGGERS select TRACING

4.7-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tom Zanussi <tom.zanussi@...ux.intel.com>

commit 7ad8fb61c4abf589596f0a4da34d987471481569 upstream.

The kbuild test robot reported a compile error if HIST_TRIGGERS was
enabled but nothing else that selected TRACING was configured in.

HIST_TRIGGERS should directly select it and not rely on anything else
to do it.

Link: http://lkml.kernel.org/r/57791866.8080505@linux.intel.com

Reported-by: kbuild test robot <fennguang.wu@...el.com>
Fixes: 7ef224d1d0e3a ("tracing: Add 'hist' event trigger command")
Signed-off-by: Tom Zanussi <tom.zanussi@...ux.intel.com>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 kernel/trace/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -542,6 +542,7 @@ config HIST_TRIGGERS
 	bool "Histogram triggers"
 	depends on ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select TRACING_MAP
+	select TRACING
 	default n
 	help
 	  Hist triggers allow one or more arbitrary trace event fields