linux-kernel - [tip:perf/urgent] tools: Move code originally from linux/ log2.h to tools/include/linux/

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Message-ID: <tip-uqohgzilp3ebd3cbybnf3luc@git.kernel.org>
Date:	Wed, 17 Dec 2014 22:29:55 -0800
From:	tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	namhyung@...nel.org, adrian.hunter@...el.com, acme@...hat.com,
	jolsa@...hat.com, bp@...e.de, mingo@...nel.org, hpa@...or.com,
	paulus@...ba.org, linux-kernel@...r.kernel.org, dzickus@...hat.com,
	eranian@...gle.com, tglx@...utronix.de, peterz@...radead.org,
	fweisbec@...il.com, dsahern@...il.com, efault@....de
Subject: [tip:perf/urgent] tools: Move code originally from linux/
 log2.h to tools/include/linux/

Commit-ID:  0389cd1f5fda34c14941c37a39547d16af5d56e2
Gitweb:     http://git.kernel.org/tip/0389cd1f5fda34c14941c37a39547d16af5d56e2
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Mon, 15 Dec 2014 16:04:11 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 17 Dec 2014 11:09:41 -0300

tools: Move code originally from linux/log2.h to tools/include/linux/

>From tools/perf/util/include/linux, so that it becomes accessible to
other tools/.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Borislav Petkov <bp@...e.de>
Cc: David Ahern <dsahern@...il.com>
Cc: Don Zickus <dzickus@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-uqohgzilp3ebd3cbybnf3luc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 fs/no-block.c => tools/include/linux/log2.h | 21 ++++++++++++---------
 tools/perf/MANIFEST                         |  3 ++-
 tools/perf/Makefile.perf                    |  1 +
 tools/perf/util/evlist.c                    |  1 +
 tools/perf/util/util.h                      | 11 -----------
 5 files changed, 16 insertions(+), 21 deletions(-)

diff --git a/fs/no-block.c b/tools/include/linux/log2.h
similarity index 51%
copy from fs/no-block.c
copy to tools/include/linux/log2.h
index 6e40e42..141b766 100644
--- a/fs/no-block.c
+++ b/tools/include/linux/log2.h
@@ -1,4 +1,4 @@
-/* no-block.c: implementation of routines required for non-BLOCK configuration
+/* Integer base 2 logarithm calculation
  *
  * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@...hat.com)
@@ -9,15 +9,18 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/kernel.h>
-#include <linux/fs.h>
+#ifndef _TOOLS_LINUX_LOG2_H
+#define _TOOLS_LINUX_LOG2_H
 
-static int no_blkdev_open(struct inode * inode, struct file * filp)
+/*
+ *  Determine whether some value is a power of two, where zero is
+ * *not* considered a power of two.
+ */
+
+static inline __attribute__((const))
+bool is_power_of_2(unsigned long n)
 {
-	return -ENODEV;
+	return (n != 0 && ((n & (n - 1)) == 0));
 }
 
-const struct file_operations def_blk_fops = {
-	.open		= no_blkdev_open,
-	.llseek		= noop_llseek,
-};
+#endif /* _TOOLS_LINUX_LOG2_H */
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index 39c0863..db7827f 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -7,8 +7,9 @@ tools/lib/symbol/kallsyms.h
 tools/include/asm/bug.h
 tools/include/asm-generic/bitops/__ffs.h
 tools/include/linux/compiler.h
-tools/include/linux/hash.h
 tools/include/linux/export.h
+tools/include/linux/hash.h
+tools/include/linux/log2.h
 tools/include/linux/types.h
 include/linux/const.h
 include/linux/perf_event.h
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index dbf8ca6..ec2be64 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -234,6 +234,7 @@ LIB_H += util/include/linux/bitmap.h
 LIB_H += util/include/linux/bitops.h
 LIB_H += ../include/asm-generic/bitops/__ffs.h
 LIB_H += ../include/linux/compiler.h
+LIB_H += ../include/linux/log2.h
 LIB_H += util/include/linux/const.h
 LIB_H += util/include/linux/ctype.h
 LIB_H += util/include/linux/kernel.h
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index ac80868..8eb92cf 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -25,6 +25,7 @@
 
 #include <linux/bitops.h>
 #include <linux/hash.h>
+#include <linux/log2.h>
 
 static void perf_evlist__mmap_put(struct perf_evlist *evlist, int idx);
 static void __perf_evlist__munmap(struct perf_evlist *evlist, int idx);
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 008b361..25b22bb 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -269,17 +269,6 @@ void event_attr_init(struct perf_event_attr *attr);
 #define _STR(x) #x
 #define STR(x) _STR(x)
 
-/*
- *  Determine whether some value is a power of two, where zero is
- * *not* considered a power of two.
- */
-
-static inline __attribute__((const))
-bool is_power_of_2(unsigned long n)
-{
-	return (n != 0 && ((n & (n - 1)) == 0));
-}
-
 static inline unsigned next_pow2(unsigned x)
 {
 	if (!x)
--
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