linux-kernel - [tip:perf/core] perf bench mem: Ignore export.h related changes to mem{cpy,set}.S

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Message-ID: <tip-h9vw3pe0fq79zmyqsfr0s0mo@git.kernel.org>
Date:   Fri, 28 Oct 2016 10:47:43 -0700
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, acme@...hat.com, linux-kernel@...r.kernel.org,
        adrian.hunter@...el.com, wangnan0@...wei.com, namhyung@...nel.org,
        jolsa@...nel.org, dsahern@...il.com, tglx@...utronix.de,
        mingo@...nel.org
Subject: [tip:perf/core] perf bench mem: Ignore export.h related changes to
 mem{cpy,set}.S

Commit-ID:  e0c4758278e2452ad28149f620b81ce43b2df7b6
Gitweb:     http://git.kernel.org/tip/e0c4758278e2452ad28149f620b81ce43b2df7b6
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Tue, 25 Oct 2016 16:39:21 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 28 Oct 2016 11:29:43 -0200

perf bench mem: Ignore export.h related changes to mem{cpy,set}.S

Ignore export.h and EXPORT_SYMBOL in:

  784d5699eddc ("x86: move exports to actual definitions")

We're not dragging this stuff, not useful in tools/

This silences the following warnings while building perf:

  Warning: tools/arch/x86/lib/memcpy_64.S differs from kernel
  Warning: tools/arch/x86/lib/memset_64.S differs from kernel

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/n/tip-h9vw3pe0fq79zmyqsfr0s0mo@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/Makefile.perf | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 982d643..7de14f4 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -381,10 +381,10 @@ $(PERF_IN): prepare FORCE
         (diff -B ../arch/x86/include/asm/cpufeatures.h ../../arch/x86/include/asm/cpufeatures.h >/dev/null) \
         || echo "Warning: tools/arch/x86/include/asm/cpufeatures.h differs from kernel" >&2 )) || true
 	@(test -f ../../arch/x86/lib/memcpy_64.S && ( \
-        (diff -B ../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memcpy_64.S >/dev/null) \
+        (diff -B -I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" ../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memcpy_64.S >/dev/null) \
         || echo "Warning: tools/arch/x86/lib/memcpy_64.S differs from kernel" >&2 )) || true
 	@(test -f ../../arch/x86/lib/memset_64.S && ( \
-        (diff -B ../arch/x86/lib/memset_64.S ../../arch/x86/lib/memset_64.S >/dev/null) \
+        (diff -B -I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>" ../arch/x86/lib/memset_64.S ../../arch/x86/lib/memset_64.S >/dev/null) \
         || echo "Warning: tools/arch/x86/lib/memset_64.S differs from kernel" >&2 )) || true
 	@(test -f ../../arch/arm/include/uapi/asm/perf_regs.h && ( \
         (diff -B ../arch/arm/include/uapi/asm/perf_regs.h ../../arch/arm/include/uapi/asm/perf_regs.h >/dev/null) \