From: Arnaldo Carvalho de Melo <a...@redhat.com>

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.hun...@intel.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Jiri Olsa <jo...@kernel.org>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Wang Nan <wangn...@huawei.com>
Link: http://lkml.kernel.org/n/tip-h9vw3pe0fq79zmyqsfr0s...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.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 982d6439bb07..7de14f470f3c 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) \
-- 
2.7.4

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