From: "Michael S. Tsirkin" <mst@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>,
qemu-devel@nongnu.org, mlureau@redhat.com
Subject: Re: [Qemu-devel] [PATCH 0/3] Vhost: no more leak QEMU virtual addresses to user backend
Date: Thu, 21 Dec 2017 05:53:05 +0200 [thread overview]
Message-ID: <20171221055215-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20171220160741.GE12566@stefanha-x1.localdomain>
On Wed, Dec 20, 2017 at 04:07:41PM +0000, Stefan Hajnoczi wrote:
> 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 <stefanha@redhat.com>
This makes make check fail. Any idea why?
next prev parent reply other threads:[~2017-12-21 3:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-19 18:11 [Qemu-devel] [PATCH 0/3] Vhost: no more leak QEMU virtual addresses to user backend Maxime Coquelin
2017-12-19 18:11 ` [Qemu-devel] [PATCH 1/3] vhost-user: rename VhostUserMemory userspace_addr field to user_addr Maxime Coquelin
2017-12-19 18:11 ` [Qemu-devel] [PATCH 2/3] vhost: introduce backend's user address type Maxime Coquelin
2017-12-19 18:11 ` [Qemu-devel] [PATCH 3/3] vhost-user: no more leak QEMU virtual addresses to user backend Maxime Coquelin
2017-12-20 16:07 ` [Qemu-devel] [PATCH 0/3] Vhost: " Stefan Hajnoczi
2017-12-21 3:53 ` Michael S. Tsirkin [this message]
2017-12-21 14:01 ` Maxime Coquelin
2017-12-21 14:16 ` Maxime Coquelin
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