RISC-V doesn't currently have the behavior of restricting the virtual address space which virtual_address_range tests check, this will cause the tests fail. So lets disable the whole test suite for riscv64 for now, not build it and run_vmtests.sh will skip it if it is not present.
Reviewed-by: Charlie Jenkins charlie@rivosinc.com Signed-off-by: Chunyan Zhang zhangchunyan@iscas.ac.cn --- V1: https://lore.kernel.org/linux-mm/ZuOuedBpS7i3T%2Fo0@ghost/T/ --- tools/testing/selftests/mm/Makefile | 2 ++ tools/testing/selftests/mm/run_vmtests.sh | 10 ++++++---- 2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile index 02e1204971b0..76a378c5c141 100644 --- a/tools/testing/selftests/mm/Makefile +++ b/tools/testing/selftests/mm/Makefile @@ -115,7 +115,9 @@ endif
ifneq (,$(filter $(ARCH),arm64 mips64 parisc64 powerpc riscv64 s390x sparc64 x86_64 s390)) TEST_GEN_FILES += va_high_addr_switch +ifneq ($(ARCH),riscv64) TEST_GEN_FILES += virtual_address_range +endif TEST_GEN_FILES += write_to_hugetlbfs endif
diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh index c5797ad1d37b..4493bfd1911c 100755 --- a/tools/testing/selftests/mm/run_vmtests.sh +++ b/tools/testing/selftests/mm/run_vmtests.sh @@ -347,10 +347,12 @@ if [ $VADDR64 -ne 0 ]; then # allows high virtual address allocation requests independent # of platform's physical memory.
- prev_policy=$(cat /proc/sys/vm/overcommit_memory) - echo 1 > /proc/sys/vm/overcommit_memory - CATEGORY="hugevm" run_test ./virtual_address_range - echo $prev_policy > /proc/sys/vm/overcommit_memory + if [ -x ./virtual_address_range ]; then + prev_policy=$(cat /proc/sys/vm/overcommit_memory) + echo 1 > /proc/sys/vm/overcommit_memory + CATEGORY="hugevm" run_test ./virtual_address_range + echo $prev_policy > /proc/sys/vm/overcommit_memory + fi
# va high address boundary switch test ARCH_ARM64="arm64"