tree a0bfe478d2fbddd958525a4a9a7ac650cb182a3a
parent 8080a35483c009952f0a502e562b1686673a581a
author carlobertolli <carlo.bertolli@amd.com> 1705935411 -0600
committer Copybara-Service <copybara-worker@google.com> 1705935727 -0800

[OpenMP] Fix two usm tests for amdgpus. (#78824)

Some are missing setting of HSA_XNACK=1 environment variable, used to
enable unified memory support on amdgpu's when it's not been set at
kernel boot time. Some others needed to be marked as supporting
unified_shared_memory in the lit test harness.

Extend lit test harness to enable unified_shared_memory requirement for
AMD GPUs.

Reland: #77851
GitOrigin-RevId: 3440466536c97ced20e366301a60f12f4fd01e30