From: Björn Töpel <bjorn@xxxxxxxxxxxx> Selftests vm builds break when doing cross-compilation. The Makefile MACHINE variable incorrectly picks upp the host machine architecture. If the CROSS_COMPILE variable is set, dig out the target host architecture from CROSS_COMPILE, instead of calling uname. Signed-off-by: Björn Töpel <bjorn@xxxxxxxxxxxx> --- tools/testing/selftests/vm/Makefile | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile index 89c14e41bd43..1cded308dddf 100644 --- a/tools/testing/selftests/vm/Makefile +++ b/tools/testing/selftests/vm/Makefile @@ -5,7 +5,11 @@ LOCAL_HDRS += $(selfdir)/vm/local_config.h $(top_srcdir)/mm/gup_test.h include local_config.mk +ifeq ($(CROSS_COMPILE),) uname_M := $(shell uname -m 2>/dev/null || echo not) +else +uname_M := $(shell echo $(CROSS_COMPILE) | grep -o '^[a-z0-9]\+') +endif MACHINE ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/ppc64/') # Without this, failed build products remain, with up-to-date timestamps, base-commit: 1fe4fd6f5cad346e598593af36caeadc4f5d4fa9 -- 2.37.2
