On 07.05.2018 07:37, Markus Armbruster wrote: > Paolo Bonzini <pbonz...@redhat.com> writes: > >> On 04/05/2018 19:01, Thomas Huth wrote: >>> The -no-kvm* options are a remainder of the ancient "qemu-kvm" >>> fork. They have never been officially documented in our qemu-doc, >>> they have been marked as deprecated in the sources since a very >>> long time, and we've marked them as deprecated in our qemu-doc >>> since QEMU v2.10. So far I haven't seen any complaints that we >>> should keep them, so it's time to remove these old parameters now. >>> >>> While I'm at it, this patch series also removes a left-over from >>> the "-tdf" option (which has been removed with QEMU v2.12) and >>> fixes a deficiency in the option parsing code that has been >>> revealed by the remainder of the "-tdf" option. >>> >>> Thomas Huth (5): >>> qemu-options: Remove remainders of the -tdf option >>> qemu-options: Bail out on unsupported options instead of silently >>> ignoring them >>> qemu-options: Remove deprecated -no-kvm-pit-reinjection >>> qemu-options: Remove deprecated -no-kvm-irqchip >>> qemu-options: Remove deprecated -no-kvm >> >> I'm not that sure anymore about -no-kvm. It can come in handy for >> distros (*cough* RHEL *cough) that only ship a qemu-kvm binary with >> default accelerator "-machine accel=kvm:tcg". >> >> Yeah, "-accel tcg" is only a few characters later, but it is a >> relatively recent addition. > > 2012 is "relatively recent" in the alternate RHEL universe, perhaps :)
That was the "-machine accel=tcg", but Paolo was rather talking about "-accel tcg", which has been added last year. Yes, we've got three (!) ways of dealing with accelerators now: "-M accel=", "-accel" and "-enable-kvm + -no-kvm". We're very userfriendly, aren't we? ;-) Thomas
