On Tue, Aug 27, 2013 at 03:35:33PM +0200, Benoît Canet wrote: > > > > 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 ? > That is missing too, but it should not be default with other CPU models.
-- Gleb.