b384c23b9e
There are still some distributions trying to support unfortunate people with old or exotic CPUs that don't have 64bit atomic operations. The only thing preventing compile of the Intel driver for them seems to be initialization of a debug variable. v2: use call_once() instead of unsafe code, as suggested by Matt Turner Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93089 Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>