On Tue, May 04, 2021 at 02:59:07PM +0200, Greg Kroah-Hartman wrote: > > Hi Christoph, > > > > FYI, these uapi changes break build of QEMU. > > What uapi changes? > > What exactly breaks? > > Why does QEMU require kernel driver stuff? Looks like it pull in the uapi struct definitions unconditionally instead of having a local copy. We could fix that by just putting them back, but to me this seems like a rather broken configuration in qemu when it pulls in headers from the running/installed kernel without any feature checks before using them.