[PATCH v4 9/9] selftest: run vector prctl test for ZVE32X

From: Andy Chiu
Date: Fri Apr 12 2024 - 02:51:56 EST


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@xxxxxxxxxx>
---
Changelog v4:
- new patch since v4
---
tools/testing/selftests/riscv/vector/vstate_prctl.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/riscv/vector/vstate_prctl.c b/tools/testing/selftests/riscv/vector/vstate_prctl.c
index 27668fb3b6d0..895177f6bf4c 100644
--- 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;
}


--
2.44.0.rc2