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Re: [Stratos-dev] Xen Rust VirtIO demos work breakdown for Project Stratos
- To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Rust-VMM Mailing List <rust-vmm@xxxxxxxxxxxxxxxxx>, Stratos Mailing List <stratos-dev@xxxxxxxxxxxxxxxxxxx>
- From: Oleksandr Tyshchenko <olekstysh@xxxxxxxxx>
- Date: Thu, 14 Apr 2022 23:03:37 +0300
- Cc: Christopher Clark <christopher.w.clark@xxxxxxxxx>, Alex Bennée <alex.bennee@xxxxxxxxxx>, Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>, Artem Mygaiev <Artem_Mygaiev@xxxxxxxx>, Sergio Lopez <slp@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Stefan Hajnoczi <stefanha@xxxxxxxxx>, Doug Goldstein <cardoe@xxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Arnd Bergmann <arnd.bergmann@xxxxxxxxxx>, David Woodhouse <dwmw2@xxxxxxxxxxxxx>, Rich Persaud <persaur@xxxxxxxxx>, Daniel Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>, Paul Durrant <paul@xxxxxxx>, openxt <openxt@xxxxxxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Thu, 14 Apr 2022 20:03:58 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Hello all.
[Sorry for the possible format issues]
I have an update regarding (valid) concern which has been also raised in current thread which is the virtio backend's ability (when using Xen foreign mapping) to map any guest pages without guest "agreement" on that. There is a PoC (with virtio-mmio on Arm) which is based on Juergen Gross’ work to reuse secure Xen grant mapping for the virtio communications. All details are at:
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