453ac8835b
Proposes best practices on how to use PCI Express/PCI device in PCI Express based machines and explain the reasoning behind them. Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>