On 23/08/19 00:52, Eduardo Habkost wrote:
> KVM has a 80-entry limit at KVM_SET_CPUID2. With the
> introduction of CPUID[0x1F], it is now possible to hit this limit
> with unusual CPU configurations, e.g.:
>
> $ ./x86_64-softmmu/qemu-system-x86_64 \
> -smp 1,dies=2,maxcpus=2 \
> -cpu EP
KVM has a 80-entry limit at KVM_SET_CPUID2. With the
introduction of CPUID[0x1F], it is now possible to hit this limit
with unusual CPU configurations, e.g.:
$ ./x86_64-softmmu/qemu-system-x86_64 \
-smp 1,dies=2,maxcpus=2 \
-cpu EPYC,check=off,enforce=off \
-machine accel=kvm
qemu
