[PATCH 2/2] kselftest/arm64: Check for -EPERM not -EBUSY in the locking test
From: Mark Brown <broonie@kernel.org>
Date: 2026-09-10 19:02:27
Also in:
linux-kselftest, lkml
Subsystem:
arm64 port (aarch64 architecture), kernel selftest framework, the rest · Maintainers:
Catalin Marinas, Will Deacon, Shuah Khan, Shuah Khan, Linus Torvalds
The API has been updated to return the more permissive -EPERM rather than -EBUSY, update the selftest to reflect this. Signed-off-by: Mark Brown <broonie@kernel.org> --- tools/testing/selftests/arm64/gcs/gcs-locking.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/arm64/gcs/gcs-locking.c b/tools/testing/selftests/arm64/gcs/gcs-locking.c
index 1e6abb136ffd..f780f0c7b8dd 100644
--- a/tools/testing/selftests/arm64/gcs/gcs-locking.c
+++ b/tools/testing/selftests/arm64/gcs/gcs-locking.c@@ -115,7 +115,7 @@ TEST_F(valid_modes, enable_lock_disable) ASSERT_EQ(ret, 0); ret = my_syscall2(__NR_prctl, PR_SET_SHADOW_STACK_STATUS, 0); - ASSERT_EQ(ret, -EBUSY); + ASSERT_EQ(ret, -EPERM); _exit(0); }
@@ -131,7 +131,7 @@ TEST_F(valid_modes, lock_enable) ret = my_syscall2(__NR_prctl, PR_SET_SHADOW_STACK_STATUS, variant->mode); - ASSERT_EQ(ret, -EBUSY); + ASSERT_EQ(ret, -EPERM); ret = prctl(PR_GET_SHADOW_STACK_STATUS, &mode, 0, 0, 0); ASSERT_EQ(ret, 0);
--
2.47.3