linux-kernel - Re: [PATCH v2 1/1] KVM: s390: vsie: clarifications on setting the APCB

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Message-ID: <0117e263-2856-b2fd-1e61-59b21e5da2e5@linux.ibm.com>
Date:   Tue, 25 Oct 2022 15:17:36 +0200
From:   Pierre Morel <pmorel@...ux.ibm.com>
To:     David Hildenbrand <david@...hat.com>, kvm@...r.kernel.org
Cc:     linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        borntraeger@...ibm.com, frankja@...ux.ibm.com, cohuck@...hat.com,
        thuth@...hat.com, imbrenda@...ux.ibm.com, hca@...ux.ibm.com,
        gor@...ux.ibm.com, svens@...ux.ibm.com
Subject: Re: [PATCH v2 1/1] KVM: s390: vsie: clarifications on setting the
 APCB



On 10/25/22 11:30, David Hildenbrand wrote:
> On 25.10.22 11:13, Pierre Morel wrote:
>> The APCB is part of the CRYCB.
>> The calculation of the APCB origin can be done by adding
>> the APCB offset to the CRYCB origin.
>>
>> Current code makes confusing transformations, converting
>> the CRYCB origin to a pointer to calculate the APCB origin.
>>
> 
> 
> While at it, can we rename "crycb_o" to "crycb_gpa" and "apcb_o" to 
> "apcb_gpa".
> 
> These are not pointers but guest physical addresses.
> 

I can do that.
the _o came from the name in the documentation "origin"
but gpa is more obvious.

-- 
Pierre Morel
IBM Lab Boeblingen