selftest: run vector prctl test for ZVE32X

The minimal requirement for running Vector subextension on Linux is
ZVE32X. So change the test accordingly to run prctl as long as it find
it.

Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Link: https://lore.kernel.org/r/20240510-zve-detection-v5-8-0711bdd26c12@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/tools/testing/selftests/riscv/vector/vstate_prctl.c b/tools/testing/selftests/riscv/vector/vstate_prctl.c
index 27668fb3b6d08209b8c6a98dec01d6935941b47e..895177f6bf4c865e894b16ed8662184f0c20b30f 100644 (file)
--- a/tools/testing/selftests/riscv/vector/vstate_prctl.c
+++ b/tools/testing/selftests/riscv/vector/vstate_prctl.c
@@ -88,16 +88,16 @@ int main(void)
                return -2;
        }
 
-       if (!(pair.value & RISCV_HWPROBE_IMA_V)) {
+       if (!(pair.value & RISCV_HWPROBE_EXT_ZVE32X)) {
                rc = prctl(PR_RISCV_V_GET_CONTROL);
                if (rc != -1 || errno != EINVAL) {
-                       ksft_test_result_fail("GET_CONTROL should fail on kernel/hw without V\n");
+                       ksft_test_result_fail("GET_CONTROL should fail on kernel/hw without ZVE32X\n");
                        return -3;
                }
 
                rc = prctl(PR_RISCV_V_SET_CONTROL, PR_RISCV_V_VSTATE_CTRL_ON);
                if (rc != -1 || errno != EINVAL) {
-                       ksft_test_result_fail("GET_CONTROL should fail on kernel/hw without V\n");
+                       ksft_test_result_fail("SET_CONTROL should fail on kernel/hw without ZVE32X\n");
                        return -4;
                }