Re: [PATCH/RFC] KVM: track pid for VCPU only on KVM_RUN ioctl

Paolo Bonzini
2014-08-19T09:27:36Z

Il 19/08/2014 10:38, Christian Borntraeger ha scritto:
>> > The patch may be okay, but I'm worried that it might be hiding a bug in
>> > QEMU.
> On s390 we call "KVM_S390_INITIAL_RESET" from several reset functions, e.g. during
> CPU creation. This is the first hickup and the pid now points to the main thread.

Any reason to have a special ioctl instead of SET_REGS/SET_ONE_REG/...
(via kvm_cpu_synchronize_state, which does the ioctls in the VCPU thread)?

Paolo