tree 3e8fe8ffbeeeec7bf812b16705cd8b5009e5df00
parent f716e21fb87e4fd1c875997cf11882352b9fbab5
author Lokesh Gidra <lokeshgidra@google.com> 1670274227 +0000
committer Treehugger Robot <treehugger-gerrit@google.com> 1670302255 +0000

Handle userfaultfd API ioctl on older kernel hosts

On older kernels on host it's possible that minor-fault feature doesn't
exist, in which case the ioctl may fail with EINVAL. This CL detects the
failure reason and retries the ioctl without it.

Bug: 160737021
Test: art/test/testrunner/testrunner.py --host
Change-Id: Ibd55933ec985f5e62fdaa9dd85ed57d544546d18