linux-kernel - Re: [PATCH v9 2/3] s390x: KVM: guest support for topology function

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Message-ID: <9aa8db91-a9f5-2b9a-7333-b87b826fdb81@linux.ibm.com>
Date:   Mon, 16 May 2022 12:41:21 +0200
From:   Pierre Morel <pmorel@...ux.ibm.com>
To:     Janosch Frank <frankja@...ux.ibm.com>, kvm@...r.kernel.org
Cc:     linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        borntraeger@...ibm.com, cohuck@...hat.com, david@...hat.com,
        thuth@...hat.com, imbrenda@...ux.ibm.com, hca@...ux.ibm.com,
        gor@...ux.ibm.com, wintera@...ux.ibm.com, seiden@...ux.ibm.com,
        nrb@...ux.ibm.com
Subject: Re: [PATCH v9 2/3] s390x: KVM: guest support for topology function



On 5/12/22 13:41, Janosch Frank wrote:
> On 5/6/22 11:24, Pierre Morel wrote:
>> We let the userland hypervisor know if the machine support the CPU
>> topology facility using a new KVM capability: KVM_CAP_S390_CPU_TOPOLOGY.
> 
> Nope, we indicate KVM's support which is based on the machine's support.

OK I reword.

> 
> On the same note: Shouldn't the CAP indication be part of the last 
> patch? The resets are needed for a full support of this feature, no?

Looks right, I will move it last.

-- 
Pierre Morel
IBM Lab Boeblingen