tree 60c61e946a41bca2bca032ee1481c2933aad364c
parent d3592199ba3db504c6585115b9531b4cf7c50a0d
author Marc-André Lureau <marcandre.lureau@redhat.com> 1444403841 +0200
committer Michael S. Tsirkin <mst@redhat.com> 1445513689 +0300

util: add fallback for qemu_memfd_alloc()

Add an open/unlink/mmap fallback for system that do not support
memfd (only available since 3.17, ~1y ago).

This patch may require additional SELinux policies to work for enforced
systems, but should fail gracefully in this case.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Thibaut Collet <thibaut.collet@6wind.com>