kernel/tools/testing/selftests/arm64/gcs/basic-gcs.c, branch linux-rolling-stable

kselftest/arm64/gcs: Use nolibc's getauxval()

2025-09-08T14:54:39Z

Nolibc now does have getauxval(), use it. Signed-off-by: Thomas Weißschuh Reviewed-by: Mark Brown Signed-off-by: Will Deacon

kselftest/arm64/gcs: Correctly check return value when disabling GCS

2025-09-08T14:54:39Z

The return value was not assigned to 'ret', so the check afterwards does not do anything. Fixes: 3d37d4307e0f ("kselftest/arm64: Add very basic GCS test program") Signed-off-by: Thomas Weißschuh Reviewed-by: Mark Brown Signed-off-by: Will Deacon

kselftest/arm64: Add a test for vfork() with GCS

2025-07-04T11:26:14Z

Ensure that we've got at least some coverage of the special cases around vfork() by adding a test case in basic-gcs doing the same thing as the plain fork() one - vfork(), do a few checks and then return to the parent. Signed-off-by: Mark Brown Reviewed-by: Catalin Marinas Link: https://lore.kernel.org/r/20250703-arm64-gcs-vfork-exit-v3-3-1e9a9d2ddbbe@kernel.org Signed-off-by: Thomas Weißschuh

kselftest/arm64: Add very basic GCS test program

2024-10-04T11:04:44Z

This test program just covers the basic GCS ABI, covering aspects of the ABI as standalone features without attempting to integrate things. Reviewed-by: Thiago Jung Bauermann Tested-by: Thiago Jung Bauermann Signed-off-by: Mark Brown Link: https://lore.kernel.org/r/20241001-arm64-gcs-v13-34-222b78d87eee@kernel.org Signed-off-by: Catalin Marinas