On Wed, Sep 29, 2021 at 03:31:14PM +0100, Will Deacon wrote: > With this series applied, I see a test failing under qemu with: > # selftests: arm64: vec-syscfg > # TAP version 13 > # 1..10 > # ok 1 SVE default vector length 64 > # ok 2 # SKIP Need to be root to write to /proc > # ok 3 # SKIP Need to be root to write to /proc AFAICT this is due to running as a non-root user, the testsuite was already having serious issues before then... > # ok 4 SVE current VL is 64 > # ok 5 SVE set VL 64 and have VL 64 > # ok 6 # SKIP SVE only one VL supported > # ok 7 # SKIP SVE only one VL supported > # ok 8 # SKIP SVE only one VL supported > # ok 9 # SKIP SVE only one VL supported > # # SVE VL 272 returned 256 not maximum 0 ...as it's starting off by testing an interface that's only writable by root and then relying on that information, the existing tests were also not working usefully. qemu by default supports way more than one vector length. In any case it's just the test added by the last patch that's causing the output here, the first four patches should be fine and fix issues. I'm not sure it's a particularly good idea to run kselftest as a non-root user TBH, it's going to cause you to skip a lot of tests.
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