On 30.06.14 17:34, Mihai Caraman wrote:

Increase FPU laziness by calling kvmppc_load_guest_fp() just before
returning to guest instead of each sched in. Without this improvement
an interrupt may also claim floting point corrupting guest state.

How do you handle context switching with this patch applied? During most 
of the guest's lifetime we never exit kvmppc_vcpu_run(), so when the 
guest gets switched out all FPU state gets lost?


Alex