On 30/07/19 18:44, Philippe Mathieu-Daudé wrote: >> +++ b/target/i386/kvm.c >> @@ -190,6 +190,7 @@ static int kvm_get_tsc(CPUState *cs) >> return 0; >> } >> >> + memset(&msr_data, 0, sizeof(msr_data)); > I wonder the overhead of this one... > There is just one MSR in the struct so it is okay. Paolo