linux-kernel - Re: [PATCH v3 0/3] virtio: support requiring restricted access per device

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Message-ID: <89608dee-20d3-e580-a47c-dfdfdd7e5064@suse.com>
Date:   Tue, 5 Jul 2022 13:16:08 +0200
From:   Juergen Gross <jgross@...e.com>
To:     xen-devel@...ts.xenproject.org, x86@...nel.org,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        linux-arch@...r.kernel.org
Cc:     Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>,
        Arnd Bergmann <arnd@...db.de>,
        Russell King <linux@...linux.org.uk>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 0/3] virtio: support requiring restricted access per
 device

On 22.06.22 08:38, Juergen Gross wrote:
> Instead of an all or nothing approach add support for requiring
> restricted memory access per device.
> 
> Changes in V3:
> - new patches 1 + 2
> - basically complete rework of patch 3
> 
> Juergen Gross (3):
>    virtio: replace restricted mem access flag with callback
>    kernel: remove platform_has() infrastructure
>    xen: don't require virtio with grants for non-PV guests

Any further comments?


Juergen

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