linux-kernel - Re: [PATCH v1 1/2] s390/kvm: split kvm_s390_real_to

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Date:   Mon, 22 Mar 2021 12:12:28 +0100
From:   Heiko Carstens <hca@...ux.ibm.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     Thomas Huth <thuth@...hat.com>,
        Claudio Imbrenda <imbrenda@...ux.ibm.com>,
        linux-kernel@...r.kernel.org, borntraeger@...ibm.com,
        frankja@...ux.ibm.com, cohuck@...hat.com, kvm@...r.kernel.org,
        linux-s390@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH v1 1/2] s390/kvm: split kvm_s390_real_to_abs

On Mon, Mar 22, 2021 at 10:53:46AM +0100, David Hildenbrand wrote:
> > > diff --git a/arch/s390/kvm/gaccess.h b/arch/s390/kvm/gaccess.h
> > > index daba10f76936..7c72a5e3449f 100644
> > > --- a/arch/s390/kvm/gaccess.h
> > > +++ b/arch/s390/kvm/gaccess.h
> > > @@ -18,17 +18,14 @@
> > >    /**
> > >     * kvm_s390_real_to_abs - convert guest real address to guest absolute address
> > > - * @vcpu - guest virtual cpu
> > > + * @prefix - guest prefix
> > >     * @gra - guest real address
> > >     *
> > >     * Returns the guest absolute address that corresponds to the passed guest real
> > > - * address @gra of a virtual guest cpu by applying its prefix.
> > > + * address @gra of by applying the given prefix.
> > >     */
> > > -static inline unsigned long kvm_s390_real_to_abs(struct kvm_vcpu *vcpu,
> > > -						 unsigned long gra)
> > > +static inline unsigned long _kvm_s390_real_to_abs(u32 prefix, unsigned long gra)
> > 
> > <bikeshedding>
> > Just a matter of taste, but maybe this could be named differently?
> > kvm_s390_real2abs_prefix() ? kvm_s390_prefix_real_to_abs()?
> > </bikeshedding>
> 
> +1, I also dislike these "_.*" style functions here.

Yes, let's bikeshed then :)

Could you then please try to rename page_to* and everything that looks
similar to page2* please? I'm wondering what the response will be..