linux-kernel - Re: [PATCH v9 1/3] s390x: KVM: ipte lock for SCA access should be contained in KVM

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Message-ID: <e23160b6-2d3c-ebdb-ac5a-c71311e7e5ec@redhat.com>
Date:   Thu, 12 May 2022 11:08:02 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Pierre Morel <pmorel@...ux.ibm.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, wintera@...ux.ibm.com, seiden@...ux.ibm.com,
        nrb@...ux.ibm.com
Subject: Re: [PATCH v9 1/3] s390x: KVM: ipte lock for SCA access should be
 contained in KVM

On 06.05.22 11:24, Pierre Morel wrote:
> The former check to chose between SIIF or not SIIF can be done
> using the sclp.has_siif instead of accessing per vCPU structures
> 
> When accessing the SCA, ipte lock and ipte_unlock do not need
> to access any vcpu structures but only the KVM structure.
> 
> Let's simplify the ipte handling.
> 
> Signed-off-by: Pierre Morel <pmorel@...ux.ibm.com>

Much better

Reviewed-by: David Hildenbrand <david@...hat.com>


-- 
Thanks,

David / dhildenb