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Date:	Sun, 2 Feb 2014 00:54:58 -0800
From:	tip-bot for Francesco Fusco <>
Subject: [tip:perf/urgent] perf tools:
  Fix include for non x86 architectures

Commit-ID:  6a02652df511029127406cf8fa89cdf5e987f963
Author:     Francesco Fusco <>
AuthorDate: Mon, 27 Jan 2014 14:39:13 +0100
Committer:  Arnaldo Carvalho de Melo <>
CommitDate: Fri, 31 Jan 2014 17:21:42 -0300

perf tools: Fix include for non x86 architectures

Commit 71ae8aac ("lib: introduce arch optimized hash library") added an
include to <linux/hash.h> for setting up an architecture specific fast

Since perf includes directly the non-uapi kernel header, it cannot find
<asm/hash.h> on non-x86 and thus prevents perf to be compiled on every
architecture other than x86.

The problem is the inclusion of <asm/hash.h> in hash.h that results in
the following error originating from util/evlist.c:

  fatal error: asm/hash.h: No such file or directory

This commit simply adds an empty <asm/hash.h> stub/file to fix the
compile issue on non-x86 architectures.

As perf does not use any of these new functions, it fixes the
compilation and therefore seems to be the most appropriate solution to
go with.

Signed-off-by: Francesco Fusco <>
Signed-off-by: Arnaldo Carvalho de Melo <>
 tools/perf/util/include/asm/hash.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/perf/util/include/asm/hash.h b/tools/perf/util/include/asm/hash.h
new file mode 100644
index 0000000..d82b170b
--- /dev/null
+++ b/tools/perf/util/include/asm/hash.h
@@ -0,0 +1,6 @@
+/* Stub */
+#endif /* __ASM_GENERIC_HASH_H */
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