On 10/22/2012 01:45 PM, Jan Kiszka wrote: >> Indeed. git pull, recheck and call for kvm_flush_coalesced_mmio_buffer() >> is gone. So this will break new userspace, not old. By global you mean >> shared between devices (or memory regions)? > > Yes. We only have a single ring per VM, so we cannot flush multi-second > VGA access separately from other devices. In theory solvable by > introducing per-region rings that can be driven separately.
But in practice unneeded. Real time VMs can disable coalescing and not use planar VGA modes. -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
