Re: [PATCH] kbuild: modinst: remove the multithread option from zstd compression

From: Sedat Dilek
Date: Sat Aug 24 2024 - 17:52:21 EST


On Tue, Aug 6, 2024 at 1:02 PM Nicolas Schier <nicolas@xxxxxxxxx> wrote:
>
> On Sun, Aug 04, 2024 at 12:33:07PM +0900, Masahiro Yamada wrote:
> > Parallel execution is supported by GNU Make:
> >
> > $ make -j<N> modules_install
> >
> > It is questionable to enable multithreading within each zstd process
> > by default.
> >
> > If you still want to do it, you can use the environment variable:
> >
> > $ ZSTD_NBTHREADS=<N> make modules_install
> >
> > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> > ---
> >
> > scripts/Makefile.modinst | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
> > index 0afd75472679..04f5229efa6b 100644
> > --- a/scripts/Makefile.modinst
> > +++ b/scripts/Makefile.modinst
> > @@ -146,7 +146,7 @@ quiet_cmd_gzip = GZIP $@
> > quiet_cmd_xz = XZ $@
> > cmd_xz = $(XZ) --check=crc32 --lzma2=dict=1MiB -f $<
> > quiet_cmd_zstd = ZSTD $@
> > - cmd_zstd = $(ZSTD) -T0 --rm -f -q $<
> > + cmd_zstd = $(ZSTD) --rm -f -q $<
> >
> > $(dst)/%.ko.gz: $(dst)/%.ko FORCE
> > $(call cmd,gzip)
> > --
> > 2.43.0
> >
>
> Reviewed-by: Nicolas Schier <nicolas@xxxxxxxxx>
>

Tested-by: Sedat Dilek <sedat.dilek@xxxxxxxxx> # Linux v6.11-rc4+ on x86-64

-Sedat-