On Wed, Jan 06, 2021 at 11:23:39AM -0400, Jason Gunthorpe wrote: > On Wed, Jan 06, 2021 at 12:40:17PM +0200, Leon Romanovsky wrote: > > > I asked what will you do when QEMU will gain needed functionality? > > Will you remove QEMU from this list? If yes, how such "new" kernel will > > work on old QEMU versions? > > The needed functionality is some VMM hypercall, so presumably new > kernels that support calling this hypercall will be able to discover > if the VMM hypercall exists and if so superceed this entire check. Let's not speculate, do we have well-known path? Will such patch be taken to stable@/distros? Thanks > > Jason