Commit cfafa517 authored by Yeoreum Yun's avatar Yeoreum Yun Committed by Catalin Marinas
Browse files

kselftest/arm64/mte: Register mte signal handler with SA_EXPOSE_TAGBITS 



To test address tag[63:60] and memory tag[59:56] is preserved
when memory tag fault happen, Let mte_register_signal() to register
signal handler with SA_EXPOSE_TAGBITS.

Signed-off-by: default avatarYeoreum Yun <yeoreum.yun@arm.com>
Reviewed-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20250618084513.1761345-6-yeoreum.yun@arm.com


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 49a9942f

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

+1 −1
Original line number Diff line number Diff line
@@ -415,7 +415,7 @@ int main(int argc, char *argv[]) 
		return err;



	/* Register SIGSEGV handler */

	mte_register_signal(SIGSEGV, mte_default_handler);

	mte_register_signal(SIGSEGV, mte_default_handler, false);



	/* Set test plan */

	ksft_set_plan(20);

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

+2 −2
Original line number Diff line number Diff line
@@ -160,8 +160,8 @@ int main(int argc, char *argv[]) 
		return err;



	/* Register SIGSEGV handler */

	mte_register_signal(SIGSEGV, mte_default_handler);

	mte_register_signal(SIGBUS, mte_default_handler);

	mte_register_signal(SIGSEGV, mte_default_handler, false);

	mte_register_signal(SIGBUS, mte_default_handler, false);



	/* Set test plan */

	ksft_set_plan(12);

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

+2 −2
Original line number Diff line number Diff line
@@ -235,8 +235,8 @@ int main(int argc, char *argv[]) 
		return err;



	/* Register signal handlers */

	mte_register_signal(SIGBUS, mte_default_handler);

	mte_register_signal(SIGSEGV, mte_default_handler);

	mte_register_signal(SIGBUS, mte_default_handler, false);

	mte_register_signal(SIGSEGV, mte_default_handler, false);



	allocate_hugetlb();

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

+2 −2
Original line number Diff line number Diff line
@@ -141,8 +141,8 @@ int main(int argc, char *argv[]) 
		return KSFT_FAIL;

	}

	/* Register signal handlers */

	mte_register_signal(SIGBUS, mte_default_handler);

	mte_register_signal(SIGSEGV, mte_default_handler);

	mte_register_signal(SIGBUS, mte_default_handler, false);

	mte_register_signal(SIGSEGV, mte_default_handler, false);



	/* Set test plan */

	ksft_set_plan(4);

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

+2 −2
Original line number Diff line number Diff line
@@ -201,8 +201,8 @@ int main(int argc, char *argv[]) 
	sizes[item - 1] = page_size + 1;



	/* Register signal handlers */

	mte_register_signal(SIGBUS, mte_default_handler);

	mte_register_signal(SIGSEGV, mte_default_handler);

	mte_register_signal(SIGBUS, mte_default_handler, false);

	mte_register_signal(SIGSEGV, mte_default_handler, false);



	/* Set test plan */

	ksft_set_plan(22);