linux-kernel - Re: [PATCH v4 00/10] KVM: s390: Do storage key checking

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Date:   Mon, 14 Feb 2022 15:52:04 +0100
From:   Christian Borntraeger <borntraeger@...ux.ibm.com>
To:     Janis Schoetterl-Glausch <scgl@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>
Cc:     Alexander Gordeev <agordeev@...ux.ibm.com>,
        Claudio Imbrenda <imbrenda@...ux.ibm.com>,
        David Hildenbrand <david@...hat.com>,
        Jonathan Corbet <corbet@....net>, kvm@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-s390@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>
Subject: Re: [PATCH v4 00/10] KVM: s390: Do storage key checking

Am 11.02.22 um 19:22 schrieb Janis Schoetterl-Glausch:
> Check keys when emulating instructions and let user space do key checked
> accesses.
> User space can do so via an extension of the MEMOP IOCTL:
> * allow optional key checking
> * allow MEMOP on vm fd, so key checked accesses on absolute memory
>    become possible
> 
> I haven't finished the memop selftest rewrite, but decided to send out a
> new version anyway, since the functional patches are (hopefully) final
> and the memop selftest patch works. I'll reply to it with the
> rewritten version.
> 
> v3: https://lore.kernel.org/kvm/20220209170422.1910690-1-scgl@linux.ibm.com/
> v2: https://lore.kernel.org/kvm/20220207165930.1608621-1-scgl@linux.ibm.com/
> 
> v3 -> v4
>   * rebase
>   * ignore key in memop if skey flag not specified
>   * fix nits in documentation
>   * pick up tags

I queued patches 1-9 for CI runners (and will also queue for next).