Commit-ID: 470de0f39e901611c366fc3d584307ba5d13406a
Gitweb: http://git.kernel.org/tip/470de0f39e901611c366fc3d584307ba5d13406a
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Mon, 31 Jul 2017 22:55:12 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 31 Jul 2017 23:04:59 -0300
tools perf: Do not check spaces/blank lines when checking header file copy drift
We copy headers from include/, arch/ to allow tools/ use defines,
structs from newer kernels and still be able to build on older systems.
We then, as part of a build, check if those copies got out of sync, when
we emit a warning, so that we can check if something needs to be
reflected on the tools, e.g. a 'perf trace' syscall argument beautifier
needs tweaking.
But we don't have to be super strict with that, for instance, extra
spaces, tabs or blank lines aren't problematic, so change
check-headers.sh to have "--ignore-blank-lines --ignore-space-change" as
default "diff" arguments.
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-d8emqpdc3m2qtzt1ei8ra2tf@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/check-headers.sh | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
index ff0a5fa..3f0c657 100755
--- a/tools/perf/check-headers.sh
+++ b/tools/perf/check-headers.sh
@@ -37,7 +37,7 @@ include/uapi/asm-generic/mman-common.h
check () {
file=$1
- opts=
+ opts="--ignore-blank-lines --ignore-space-change"
shift
while [ -n "$*" ]; do
@@ -58,7 +58,7 @@ for i in $HEADERS; do
done
# diff with extra ignore lines
-check arch/x86/lib/memcpy_64.S -B -I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"
-check arch/x86/lib/memset_64.S -B -I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"
-check include/uapi/asm-generic/mman.h -B -I "^#include <\(uapi/\)*asm-generic/mman-common.h>"
-check include/uapi/linux/mman.h -B -I "^#include <\(uapi/\)*asm/mman.h>"
+check arch/x86/lib/memcpy_64.S -I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"
+check arch/x86/lib/memset_64.S -I "^EXPORT_SYMBOL" -I "^#include <asm/export.h>"
+check include/uapi/asm-generic/mman.h -I "^#include <\(uapi/\)*asm-generic/mman-common.h>"
+check include/uapi/linux/mman.h -I "^#include <\(uapi/\)*asm/mman.h>"
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