linux-kernel - Re: [PATCH v10 1/3] KVM: s390: ipte lock for SCA access should be contained in KVM

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Date:   Fri, 24 Jun 2022 08:57:46 +0200
From:   Nico Boehr <nrb@...ux.ibm.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,
        david@...hat.com, thuth@...hat.com, imbrenda@...ux.ibm.com,
        hca@...ux.ibm.com, gor@...ux.ibm.com, pmorel@...ux.ibm.com,
        wintera@...ux.ibm.com, seiden@...ux.ibm.com
Subject: Re: [PATCH v10 1/3] KVM: s390: ipte lock for SCA access should be contained in KVM

Quoting Pierre Morel (2022-06-20 14:54:35)
> We can check if SIIF is enabled by testing the sclp_info struct
> instead of testing the sie control block eca variable.
> sclp.has_ssif is the only requirement to set ECA_SII anyway
> so we can go straight to the source for that.
> 
> Signed-off-by: Pierre Morel <pmorel@...ux.ibm.com>
> Reviewed-by: Janosch Frank <frankja@...ux.ibm.com>
> Reviewed-by: David Hildenbrand <david@...hat.com>

Reviewed-by: Nico Boehr <nrb@...ux.ibm.com>