On Sun, Nov 05, 2023 at 11:09:59AM +0100, Thomas Weißschuh wrote: > Allow some postprocessing of defconfig files. > > Suggested-by: Zhangjin Wu <falcon@xxxxxxxxxxx> > Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx> > --- > tools/testing/selftests/nolibc/Makefile | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile > index f8fea9fa0263..02c074e73a28 100644 > --- a/tools/testing/selftests/nolibc/Makefile > +++ b/tools/testing/selftests/nolibc/Makefile > @@ -81,6 +81,8 @@ DEFCONFIG_s390 = defconfig > DEFCONFIG_loongarch = defconfig > DEFCONFIG = $(DEFCONFIG_$(XARCH)) > > +EXTRACONFIG = $(EXTRACONFIG_$(XARCH)) > + > # optional tests to run (default = all) > TEST = > > @@ -227,6 +229,10 @@ initramfs: nolibc-test > > defconfig: > $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) mrproper $(DEFCONFIG) prepare > + $(Q)if [ -n "$(EXTRACONFIG)" ]; then \ > + $(srctree)/scripts/config --file $(objtree)/.config $(EXTRACONFIG); \ > + $(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) oldconfig < /dev/null; \ You should instead use "olddefconfig" for this. It reuses defconfig but uses defaults for new questions. I've already experienced issues from time to time using /dev/null with oldconfig as you did above, with a process looping forever (probably on a non acceptable choice I guess), and never met such issues anymore since I switched to olddefconfig instead. Willy
