Re: [PATCH 3/5] selftests: KVM: Introduce vcpu_run_interruptable()

[Mingwei Zhang <mizhang@google.com>]

On Thu, Aug 25, 2022, Sean Christopherson wrote:
> On Tue, Aug 02, 2022, Mingwei Zhang wrote:
> > Introduce vcpu_run_interruptable() to allow selftests execute their own
> > code when a vcpu is kicked out of KVM_RUN on receiving a POSIX signal.
> 
> But that's what __vcpu_run() is for.  Clearing "immediate_exit" after KVM_RUN does
> not scream "interruptible" to me.
> 
> There's only one user after this series, just clear vcpu->run->immediate_exit
> manually in that test (a comment on _why_ it's cleared would be helpful).
> 
hmm. good point. __vcpu_run() I thought it was internal function private
to kvm_util.c, but now after your selftest refactoring, this is useable.
Will use __vcpu_run() instead.

> > +int vcpu_run_interruptable(struct kvm_vcpu *vcpu)
> > +{
> > +	int rc;
> > +
> > +	rc = __vcpu_run(vcpu);
> > +
> > +	vcpu->run->immediate_exit = 0;
> > +
> > +	return rc;
> > +}
> > +
> >  int _vcpu_run(struct kvm_vcpu *vcpu)
> >  {
> >  	int rc;
> > -- 
> > 2.37.1.455.g008518b4e5-goog
> >