Paolo Bonzini <pbonz...@redhat.com> writes: >> But libguest can set it's accelerator option to whatever it wants. >> >> If your running QEMU under a VM, it's pretty reasonable to have to >> use a special option IMHO. > > It's also reasonable to have consecutive releases change defaults in > a more "friendly" way (i.e. from tcg to kvm:tcg), especially since > we'll get users that formerly used qemu-kvm and never had to specify > neither -machine accel nor --enable-kvm.
I agree with you except for the 'kvm:tcg' part. > >> > IMHO, default to KVM, fallback to TCG is the most friendly default >> > behaviour. >> >> Except if a user expects good network performance and can't >> understand why they're getting 100kb/s. > > libguestfs doesn't need network at all (though I wonder if they could > use lxc instead...). FWIW, libguestfs already uses -machine accel=kvm:tcg so we can completely the libguestfs use-case for this discussion. Regards, Anthony Liguori > > Paolo
