[PATCH v5 7/7] KVM: selftests: Add ucall pool based implementation

[Sean Christopherson]

On Mon, Aug 29, 2022, Andrew Jones wrote:
> On Thu, Aug 25, 2022 at 11:25:22PM +0000, Sean Christopherson wrote:
> > +static struct ucall *ucall_alloc(void)
> > +{
> > +	struct ucall *uc;
> > +	int i;
> > +
> > +	GUEST_ASSERT(ucall_pool && ucall_pool->in_use);
> 
> ucall_pool->in_use will never be null.
> 
> > +
> > +	for (i = 0; i < KVM_MAX_VCPUS; ++i) {
> > +		if (!atomic_test_and_set_bit(i, ucall_pool->in_use)) {
> > +			uc = &ucall_pool->ucalls[i];
> > +			memset(uc->args, 0, sizeof(uc->args));
> > +			return uc;
> > +		}
> > +	}
> 
> nit: blank line

Got 'em.  Thanks for the reviews, much appreciated!