The sysroot install and kernel build targets are time cost, let's use -j<N> to parallelize them with multiple jobs. Signed-off-by: Zhangjin Wu <falcon@xxxxxxxxxxx> --- tools/testing/selftests/nolibc/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile index ad2538ec5eb0..1b45c22f9a94 100644 --- a/tools/testing/selftests/nolibc/Makefile +++ b/tools/testing/selftests/nolibc/Makefile @@ -171,7 +171,7 @@ PHONY = sysroot/$(ARCH)/include sysroot/$(ARCH)/include: $(Q)rm -rf sysroot/$(ARCH) sysroot/sysroot $(QUIET_MKDIR)mkdir -p sysroot - $(Q)$(MAKE) -C ../../../include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone + $(Q)$(MAKE) -j$$(nproc) -C ../../../include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone $(Q)mv sysroot/sysroot sysroot/$(ARCH) ifneq ($(NOLIBC_SYSROOT),0) @@ -211,7 +211,7 @@ initramfs: nolibc-test $(Q)cp nolibc-test initramfs/init # common macros for kernel targets -MAKE_KERNEL = $(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) +MAKE_KERNEL = $(MAKE) -j$$(nproc) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) KERNEL_CONFIG = $(objtree)/.config KERNEL_IMAGE = $(objtree)/$(IMAGE) -- 2.25.1
