Re: [PATCH RFC 1/2] qemu: use "-accel" option to specify accelerator instead of "-machine"

On 11/01/21 10:38, Daniel P. Berrangé wrote: > > > > The "-machine" options for accelerators are legacy, the "-accel" > > options > > is a better mechanism. The following are the details: > > https://lore.kernel.org/qemu-devel/3aa73987-40e8-3619-0723-9f17f73850bd@r... > > > > This patch switch the option "-machine accel=xxx" to "-accel xxx" > > when > > specifying accelerator type once libvirt build QEMU command line. > This is going to break use of the /usr/bin/qemu-kvm wrapper on > Fedora because QEMU refuses to allow -accel combined with -machine > > $ /usr/bin/qemu-kvm -accel tc > qemu-system-x86_64: The -accel and "-machine accel=" options are > incompatible That script is useless, a symlink will do ever since QEMU 4.0.  Fedora can and should get rid of it, I'll take a look. Is there any other distro that does the same?  Libvirt cannot use newer KVM features with "-machine accel". Paolo