Hi Sami, On Mon, Feb 10, 2020 at 10:19 PM Sami Tolvanen <samitolvanen@xxxxxxxxxx> wrote: > > With CONFIG_TRIM_UNUSED_SYMS, if a module has enough dependencies to > exceed the default xargs command line size limit, the output is split > into multiple lines, which can result in used symbols getting trimmed. > > This change removes duplicate dependencies, which will reduce the > probability of this happening and makes .mod files smaller and easier > to read. > > Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx> > --- > scripts/Makefile.build | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/scripts/Makefile.build b/scripts/Makefile.build > index a1730d42e5f3..a083bcec19d3 100644 > --- a/scripts/Makefile.build > +++ b/scripts/Makefile.build > @@ -257,7 +257,7 @@ endef > > # List module undefined symbols (or empty line if not enabled) > ifdef CONFIG_TRIM_UNUSED_KSYMS > -cmd_undef_syms = $(NM) $< | sed -n 's/^ *U //p' | xargs echo > +cmd_undef_syms = $(NM) $< | sed -n 's/^ *U //p' | sort -u | xargs echo In which case are undefined symbols duplicated? Do you have a .config to reproduce it? > else > cmd_undef_syms = echo > endif > > base-commit: bb6d3fb354c5ee8d6bde2d576eb7220ea09862b9 > -- > 2.25.0.341.g760bfbb309-goog > -- Best Regards Masahiro Yamada