Commit 391ca7c8 authored by Yeoreum Yun's avatar Yeoreum Yun Committed by Catalin Marinas
Browse files

kselftest/arm64/mte: Preparation for mte store only test 



Since ARMv8.9, FEAT_MTE_STORE_ONLY can be used to restrict raise of tag
check fault on store operation only.

This patch is preparation for testing FEAT_MTE_STORE_ONLY
It shouldn't change test result.

Signed-off-by: default avatarYeoreum Yun <yeoreum.yun@arm.com>
Reviewed-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20250618092957.2069907-8-yeoreum.yun@arm.com


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 964a0742

tools/testing/selftests/arm64/mte/check_buffer_fill.c

+5 −5
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ static int check_buffer_by_byte(int mem_type, int mode) 
	int i, j, item;

	bool err;



	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	item = ARRAY_SIZE(sizes);



	for (i = 0; i < item; i++) {
@@ -68,7 +68,7 @@ static int check_buffer_underflow_by_byte(int mem_type, int mode, 
	bool err;

	char *und_ptr = NULL;



	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	item = ARRAY_SIZE(sizes);

	for (i = 0; i < item; i++) {

		ptr = (char *)mte_allocate_memory_tag_range(sizes[i], mem_type, 0,
@@ -164,7 +164,7 @@ static int check_buffer_overflow_by_byte(int mem_type, int mode, 
	size_t tagged_size, overflow_size;

	char *over_ptr = NULL;



	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	item = ARRAY_SIZE(sizes);

	for (i = 0; i < item; i++) {

		ptr = (char *)mte_allocate_memory_tag_range(sizes[i], mem_type, 0,
@@ -337,7 +337,7 @@ static int check_buffer_by_block(int mem_type, int mode) 
{

	int i, item, result = KSFT_PASS;



	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	item = ARRAY_SIZE(sizes);

	cur_mte_cxt.fault_valid = false;

	for (i = 0; i < item; i++) {
@@ -368,7 +368,7 @@ static int check_memory_initial_tags(int mem_type, int mode, int mapping) 
	int run, fd;

	int total = ARRAY_SIZE(sizes);



	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	for (run = 0; run < total; run++) {

		/* check initial tags for anonymous mmap */

		ptr = (char *)mte_allocate_memory(sizes[run], mem_type, mapping, false);

tools/testing/selftests/arm64/mte/check_child_memory.c

+2 −2
Original line number Diff line number Diff line
@@ -88,7 +88,7 @@ static int check_child_memory_mapping(int mem_type, int mode, int mapping) 
	int item = ARRAY_SIZE(sizes);



	item = ARRAY_SIZE(sizes);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	for (run = 0; run < item; run++) {

		ptr = (char *)mte_allocate_memory_tag_range(sizes[run], mem_type, mapping,

							    UNDERFLOW, OVERFLOW);
@@ -109,7 +109,7 @@ static int check_child_file_mapping(int mem_type, int mode, int mapping) 
	int run, fd, map_size, result = KSFT_PASS;

	int total = ARRAY_SIZE(sizes);



	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	for (run = 0; run < total; run++) {

		fd = create_temp_file();

		if (fd == -1)

tools/testing/selftests/arm64/mte/check_hugetlb_options.c

+3 −3
Original line number Diff line number Diff line
@@ -151,7 +151,7 @@ static int check_hugetlb_memory_mapping(int mem_type, int mode, int mapping, int 


	map_size = default_huge_page_size();



	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	map_ptr = (char *)mte_allocate_memory(map_size, mem_type, mapping, false);

	if (check_allocated_memory(map_ptr, map_size, mem_type, false) != KSFT_PASS)

		return KSFT_FAIL;
@@ -180,7 +180,7 @@ static int check_clear_prot_mte_flag(int mem_type, int mode, int mapping) 
	unsigned long map_size;



	prot_flag = PROT_READ | PROT_WRITE;

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	map_size = default_huge_page_size();

	map_ptr = (char *)mte_allocate_memory_tag_range(map_size, mem_type, mapping,

							0, 0);
@@ -210,7 +210,7 @@ static int check_child_hugetlb_memory_mapping(int mem_type, int mode, int mappin 


	map_size = default_huge_page_size();



	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	ptr = (char *)mte_allocate_memory_tag_range(map_size, mem_type, mapping,

						    0, 0);

	if (check_allocated_memory_range(ptr, map_size, mem_type,

tools/testing/selftests/arm64/mte/check_ksm_options.c

+1 −1
Original line number Diff line number Diff line
@@ -106,7 +106,7 @@ static int check_madvise_options(int mem_type, int mode, int mapping) 
		return err;

	}



	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	ptr = mte_allocate_memory(TEST_UNIT * page_sz, mem_type, mapping, true);

	if (check_allocated_memory(ptr, TEST_UNIT * page_sz, mem_type, false) != KSFT_PASS)

		return KSFT_FAIL;

tools/testing/selftests/arm64/mte/check_mmap_options.c

+3 −3
Original line number Diff line number Diff line
@@ -90,7 +90,7 @@ static int check_anonymous_memory_mapping(int mem_type, int mode, int mapping, i 
	int run, result, map_size;

	int item = ARRAY_SIZE(sizes);



	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	for (run = 0; run < item; run++) {

		map_size = sizes[run] + OVERFLOW + UNDERFLOW;

		map_ptr = (char *)mte_allocate_memory(map_size, mem_type, mapping, false);
@@ -122,7 +122,7 @@ static int check_file_memory_mapping(int mem_type, int mode, int mapping, int ta 
	int total = ARRAY_SIZE(sizes);

	int result = KSFT_PASS;



	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	for (run = 0; run < total; run++) {

		fd = create_temp_file();

		if (fd == -1)
@@ -161,7 +161,7 @@ static int check_clear_prot_mte_flag(int mem_type, int mode, int mapping, int at 
	int total = ARRAY_SIZE(sizes);



	prot_flag = PROT_READ | PROT_WRITE;

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);

	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false);

	for (run = 0; run < total; run++) {

		map_size = sizes[run] + OVERFLOW + UNDERFLOW;

		ptr = (char *)mte_allocate_memory_tag_range(sizes[run], mem_type, mapping,