This is a note to let you know that I've just added the patch titled scripts/tags.sh: Invoke 'realpath' via 'xargs' to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: scripts-tags.sh-invoke-realpath-via-xargs.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 7394d2ebb651a9f62e08c6ab864aac015d27c64d Mon Sep 17 00:00:00 2001 From: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx> Date: Tue, 17 May 2022 02:46:46 +0300 Subject: scripts/tags.sh: Invoke 'realpath' via 'xargs' From: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx> commit 7394d2ebb651a9f62e08c6ab864aac015d27c64d upstream. When COMPILED_SOURCE is set, running make ARCH=x86_64 COMPILED_SOURCE=1 cscope tags could throw the following errors: scripts/tags.sh: line 98: /usr/bin/realpath: Argument list too long cscope: no source files found scripts/tags.sh: line 98: /usr/bin/realpath: Argument list too long ctags: No files specified. Try "ctags --help". This is most likely to happen when the kernel is configured to build a large number of modules, which has the consequence of passing too many arguments when calling 'realpath' in 'all_compiled_sources()'. Let's improve this by invoking 'realpath' through 'xargs', which takes care of properly limiting the argument list. Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20220516234646.531208-1-cristian.ciocaltea@xxxxxxxxxxxxx Cc: Carlos Llamas <cmllamas@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- scripts/tags.sh | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) --- a/scripts/tags.sh +++ b/scripts/tags.sh @@ -95,10 +95,13 @@ all_sources() all_compiled_sources() { - realpath -es $([ -z "$KBUILD_ABS_SRCTREE" ] && echo --relative-to=.) \ - include/generated/autoconf.h $(find $ignore -name "*.cmd" -exec \ - grep -Poh '(?(?=^source_.* \K).*|(?=^ \K\S).*(?= \\))' {} \+ | - awk '!a[$0]++') | sort -u + { + echo include/generated/autoconf.h + find $ignore -name "*.cmd" -exec \ + grep -Poh '(?(?=^source_.* \K).*|(?=^ \K\S).*(?= \\))' {} \+ | + awk '!a[$0]++' + } | xargs realpath -es $([ -z "$KBUILD_ABS_SRCTREE" ] && echo --relative-to=.) | + sort -u } all_target_sources() Patches currently in stable-queue which might be from cristian.ciocaltea@xxxxxxxxxxxxx are queue-5.10/scripts-tags.sh-invoke-realpath-via-xargs.patch queue-5.10/scripts-tags.sh-fix-incompatibility-with-pcre2.patch