Re: [Qemu-devel] [Qemu-ppc] [PATCH] ppcr: Avoid decrementer related kvm exits

[Alexander Graf]

On 25.10.2011, at 21:38, Scott Wood wrote:

> On 10/14/2011 01:44 AM, Alexander Graf wrote:
>> Wouldn't a simple
>> 
>> if (kvm_enabled()) {
>>    return;
>> }
>> 
>> in the beginning of the function make more sense? There's no code connecting 
>> the in-qemu and the in-kvm decrementors atm, so any logic applying to the 
>> in-qemu one is moot for kvm.
> 
> On book3e at least, we can use sregs to set the decrementer, and we
> probably want this to happen on reset.

Sure.

if (kvm_enabled()) {
    kvmppc_set_dec(x);
    return;
}


Alex