Re: [Qemu-devel] [PATCH 0/3] Vhost: no more leak QEMU virtual addresses to user backend

[Stefan Hajnoczi]

On Tue, Dec 19, 2017 at 07:11:26PM +0100, Maxime Coquelin wrote:
> Before this series, QEMU process virtual addresses are sent to the
> user backend as user addresses.
> 
> Passing these virtual addresses aren't useful, as the backend doesn't
> direct access to QEMU address space.
> 
> It does make sense however for kernel backend, which can access QEMU
> address space.
> 
> This series introduce a new enum set by the backend stating whether it
> prefers using QEMU Virtual addresses or Guest physical addresses as
> User address, and make vhost-user backend to use Guest physical
> addresses.
> 
> Maxime Coquelin (3):
>   vhost-user: rename VhostUserMemory userspace_addr field to user_addr
>   vhost: introduce backend's user address type
>   vhost-user: no more leak QEMU virtual addresses to user backend
> 
>  hw/virtio/vhost-backend.c         |  1 +
>  hw/virtio/vhost-user.c            |  6 ++++--
>  hw/virtio/vhost.c                 | 16 ++++++++++++----
>  include/hw/virtio/vhost-backend.h |  6 ++++++
>  4 files changed, 23 insertions(+), 6 deletions(-)
> 
> -- 
> 2.14.3
> 

Reviewed-by: Stefan Hajnoczi <address@hidden>

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