On 2/13/25 00:04, John Hubbard wrote: > > 2) I'm unable to reproduce what you saw, because in ALL cases (before > or after the commit, and with or without a revert), I get the same > results on my Intel test machine: > > $ ./protection_keys_64 > has pkeys: 0 > running PKEY tests for unsupported CPU/OS > > ...so that's why I'm attaching a patch, in case you can verify that a > revert fixes it. The revert fixes it for me, thanks! You probably just have hardware without pkey support. This isn't 100% definitive, but you can check: cat /proc/cpuinfo | grep ospke If that doesn't match the "flags" line, then your hardware doesn't have support in the first place and the message is totally expected.
