> > > If I understand correctly changing the CPUID L3 cache infos in QEMU will > > > change > > > the value displayed in the guest /proc/cpuinfo but will not change the > > > size of > > > the l3 cache used by the hardware. So I am chasing a cosmetic bug. > > > If it right ? > > > > > Right. > > > Well, actually not entirely. An application can query cache sizes and > adjust its algorithms accordingly in which case performance can be > suboptimal if information in a guest is not accurate.
So maybe what is missing is a CPUID passthrough mode triggered when -cpu host is used ? Best regards Benoît
