linux-kernel - Re: [PATCH v1 1/1] KVM: s390/mm: Properly reset no-dat

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Message-ID: <169997907623.92635.8143439570561321958@t14-nrb>
Date:   Tue, 14 Nov 2023 17:24:36 +0100
From:   Nico Boehr <nrb@...ux.ibm.com>
To:     Claudio Imbrenda <imbrenda@...ux.ibm.com>, kvm@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        frankja@...ux.ibm.com, nsg@...ux.ibm.com, borntraeger@...ibm.com,
        hca@...ux.ibm.com, gerald.schaefer@...ux.ibm.com,
        gor@...ux.ibm.com, svens@...ux.ibm.com, agordeev@...ux.ibm.com
Subject: Re: [PATCH v1 1/1] KVM: s390/mm: Properly reset no-dat

Quoting Claudio Imbrenda (2023-11-09 13:36:24)
> When the CMMA state needs to be reset, the no-dat bit also needs to be
> reset. Failure to do so could cause issues in the guest, since the
> guest expects the bit to be cleared after a reset.
> 
> Signed-off-by: Claudio Imbrenda <imbrenda@...ux.ibm.com>

Please Cc stable and add my:

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