linux-kernel - [tip:perf/core] perf tools, powerpc: Fix compile warnings in tests/attr.c

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Date:	Thu, 31 Jan 2013 02:59:07 -0800
From:	tip-bot for Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, hpa@...or.com,
	mingo@...nel.org, ellerman@....ibm.com, jolsa@...hat.com,
	anton@....ibm.com, tglx@...utronix.de, sukadev@...ux.vnet.ibm.com
Subject: [tip:perf/core] perf tools, powerpc:
  Fix compile warnings in tests/attr.c

Commit-ID:  e3541ec75219819d3235f80125a1a75d798ff6e1
Gitweb:     http://git.kernel.org/tip/e3541ec75219819d3235f80125a1a75d798ff6e1
Author:     Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
AuthorDate: Wed, 23 Jan 2013 21:44:39 -0800
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 30 Jan 2013 10:37:14 -0300

perf tools, powerpc: Fix compile warnings in tests/attr.c

We print several '__u64' quantities using '%llu'. On powerpc, we by
default include '<asm-generic/int-l64.h> which results in __u64 being an
unsigned long. This causes compile warnings which are treated as errors
due to '-Werror'.

By defining __SANE_USERSPACE_TYPES__ we include <asm-generic/int-ll64.h>
and define __u64 as unsigned long long.

Changelog[v2]:
	[Michael Ellerman] Use __SANE_USERSPACE_TYPES__ and avoid PRIu64
	format specifier - which as Jiri Olsa pointed out, breaks on x86-64.

Signed-off-by: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc: Anton Blanchard <anton@....ibm.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Michael Ellerman <ellerman@....ibm.com>
Cc: linuxppc-dev@...abs.org
Link: http://lkml.kernel.org/r/20130124054439.GA31588@us.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/tests/attr.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c
index f61dd3f..bdcceb8 100644
--- a/tools/perf/tests/attr.c
+++ b/tools/perf/tests/attr.c
@@ -19,6 +19,11 @@
  * permissions. All the event text files are stored there.
  */
 
+/*
+ * Powerpc needs __SANE_USERSPACE_TYPES__ before <linux/types.h> to select
+ * 'int-ll64.h' and avoid compile warnings when printing __u64 with %llu.
+ */
+#define __SANE_USERSPACE_TYPES__
 #include <stdlib.h>
 #include <stdio.h>
 #include <inttypes.h>
--
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