Re: [PATCH] kselftest/arm64: Enumerate SME rather than SVE vector lengths for za_regs

On Thu, Aug 04, 2022 at 07:26:06PM +0100, Mark Brown wrote:

The za_regs signal test was enumerating the SVE vector lengths rather than the SVE vector lengths through cut'n'paste error when determining what to

*sigh* SME.

test. Enumerate the SME vector lengths instead.

Signed-off-by: Mark Brown broonie@kernel.org

tools/testing/selftests/arm64/signal/testcases/za_regs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/arm64/signal/testcases/za_regs.c b/tools/testing/selftests/arm64/signal/testcases/za_regs.c index b94e4f99fcac..9f1dd70289be 100644 --- a/tools/testing/selftests/arm64/signal/testcases/za_regs.c +++ b/tools/testing/selftests/arm64/signal/testcases/za_regs.c @@ -22,10 +22,10 @@ static bool sme_get_vls(struct tdescr *td) int vq, vl; /*

• * Enumerate up to SVE_VQ_MAX vector lengths
  

• * Enumerate up to SME_VQ_MAX vector lengths
  

  */ for (vq = SVE_VQ_MAX; vq > 0; --vq) {

• vl = prctl(PR_SVE_SET_VL, vq * 16);
  

• vl = prctl(PR_SME_SET_VL, vq * 16);
  

  if (vl == -1) return false;

2.30.2

---

linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel