The patch titled
Subject: selftests: vm: Enable cross-compilation
has been added to the -mm mm-nonmm-unstable branch. Its filename is
selftests-vm-enable-cross-compilation.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-vm-enable-cross-compilation.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Björn Töpel <bjorn@xxxxxxxxxxxx>
Subject: selftests: vm: Enable cross-compilation
Date: Mon, 9 Jan 2023 12:42:51 +0100
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.
Link: https://lkml.kernel.org/r/20230109114251.3349638-1-bjorn@xxxxxxxxxx
Signed-off-by: Björn Töpel <bjorn@xxxxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/mm/Makefile | 4 ++++
1 file changed, 4 insertions(+)
--- a/tools/testing/selftests/mm/Makefile~selftests-vm-enable-cross-compilation
+++ a/tools/testing/selftests/mm/Makefile
@@ -5,7 +5,11 @@ LOCAL_HDRS += $(selfdir)/vm/local_config
include local_config.mk
+ifeq ($(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,
_
Patches currently in -mm which might be from bjorn@xxxxxxxxxxxx are
selftests-vm-enable-cross-compilation.patch
