selftests: vm: Build/Run 64bit tests only on 64bit arch

Some virtual address range tests requires 64bit address space,
and we can not build and run those tests on the 32bit machine.

Filter the 64bit architectures in Makefile and run_vmtests,
so that those tests are built/run only on 64bit archs.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index 9534dc2..7f9a8a8 100644 (file)
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # Makefile for vm selftests
+uname_M := $(shell uname -m 2>/dev/null || echo not)
+ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/')
 
 CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS)
 LDLIBS = -lrt
@@ -16,8 +18,11 @@ TEST_GEN_FILES += on-fault-limit
 TEST_GEN_FILES += thuge-gen
 TEST_GEN_FILES += transhuge-stress
 TEST_GEN_FILES += userfaultfd
+
+ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sh64 sparc64 x86_64))
 TEST_GEN_FILES += va_128TBswitch
 TEST_GEN_FILES += virtual_address_range
+endif
 
 TEST_PROGS := run_vmtests
 

diff --git a/tools/testing/selftests/vm/run_vmtests b/tools/testing/selftests/vm/run_vmtests
index 951c507..a692ea8 100755 (executable)
--- a/tools/testing/selftests/vm/run_vmtests
+++ b/tools/testing/selftests/vm/run_vmtests
@@ -58,6 +58,14 @@ else
        exit 1
 fi
 
+#filter 64bit architectures
+ARCH64STR="arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sh64 sparc64 x86_64"
+if [ -z $ARCH ]; then
+  ARCH=`uname -m 2>/dev/null | sed -e 's/aarch64.*/arm64/'`
+fi
+VADDR64=0
+echo "$ARCH64STR" | grep $ARCH && VADDR64=1
+
 mkdir $mnt
 mount -t hugetlbfs none $mnt
 
@@ -189,6 +197,7 @@ else
        echo "[PASS]"
 fi
 
+if [ $VADDR64 -ne 0 ]; then
 echo "-----------------------------"
 echo "running virtual_address_range"
 echo "-----------------------------"
@@ -210,6 +219,7 @@ if [ $? -ne 0 ]; then
 else
     echo "[PASS]"
 fi
+fi # VADDR64
 
 echo "------------------------------------"
 echo "running vmalloc stability smoke test"