5.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jialu Xu <xujialu@vimux.org>

[ Upstream commit 82089b00ae026f638277c51bf3f36c68ed4021c7 ]

Use grep instead of sed for all compiled sources generation, it is three
times more efficient.

Signed-off-by: Jialu Xu <xujialu@vimux.org>
Tested-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20230601010402.71040-1-xujialu@vimux.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: a9b93c34625a ("scripts/tags.sh: Prevent binary files appearing in cscope.files")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 scripts/tags.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/tags.sh b/scripts/tags.sh
index d17801c9d85a0..5dd016e48e1ac 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -105,7 +105,7 @@ all_compiled_sources()
 	{
 		echo include/generated/autoconf.h
 		find $ignore -name "*.cmd" -exec \
-			sed -n -E 's/^source_.* (.*)/\1/p; s/^  (\S.*) \\/\1/p' {} \+ |
+			grep -Poh '(?<=^  )\S+|(?<== )\S+[^\\](?=$)' {} \+ |
 		awk '!a[$0]++'
 	} | xargs realpath -es $([ -z "$KBUILD_ABS_SRCTREE" ] && echo --relative-to=.) |
 	sort -u
-- 
2.53.0