On Tue, Mar 01, 2022 at 11:45:52AM -0800, Iouri Tarassov wrote: > --- a/drivers/hv/dxgkrnl/dxgkrnl.h > +++ b/drivers/hv/dxgkrnl/dxgkrnl.h > @@ -27,9 +27,11 @@ > #include <linux/pci.h> > #include <linux/hyperv.h> > > +struct dxgprocess; No need to pre-define this. thanks, greg k-h