On Mon, Apr 16, 2018 at 03:47:06PM +0800, Stefan Hajnoczi wrote:
> On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
> > This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
>
> Naming suggestion: "PREFILL_IOTLB" instead of "NEED_ALL_IOTLB".
>
> I wasn't able to guess what "NEED_AL
On 2018年04月16日 15:47, Stefan Hajnoczi wrote:
On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
Naming suggestion: "PREFILL_IOTLB" instead of "NEED_ALL_IOTLB".
I wasn't able to guess what "NEED_ALL_IOTLB" does. "PREFILL_IOTL
On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
> This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
Naming suggestion: "PREFILL_IOTLB" instead of "NEED_ALL_IOTLB".
I wasn't able to guess what "NEED_ALL_IOTLB" does. "PREFILL_IOTLB"
communicates that memory translation will be
On 2018年04月12日 16:10, Tiwei Bie wrote:
On Thu, Apr 12, 2018 at 03:38:50PM +0800, Jason Wang wrote:
On 2018年04月12日 09:44, Tiwei Bie wrote:
On Wed, Apr 11, 2018 at 08:37:17PM +0300, Michael S. Tsirkin wrote:
On Wed, Apr 11, 2018 at 04:38:53PM +0800, Tiwei Bie wrote:
On Wed, Apr 11, 2018 at 04
On Thu, Apr 12, 2018 at 03:38:50PM +0800, Jason Wang wrote:
> On 2018年04月12日 09:44, Tiwei Bie wrote:
> > On Wed, Apr 11, 2018 at 08:37:17PM +0300, Michael S. Tsirkin wrote:
> > > On Wed, Apr 11, 2018 at 04:38:53PM +0800, Tiwei Bie wrote:
> > > > On Wed, Apr 11, 2018 at 04:01:19PM +0800, Jason Wang
On 2018年04月12日 09:44, Tiwei Bie wrote:
On Wed, Apr 11, 2018 at 08:37:17PM +0300, Michael S. Tsirkin wrote:
On Wed, Apr 11, 2018 at 04:38:53PM +0800, Tiwei Bie wrote:
On Wed, Apr 11, 2018 at 04:01:19PM +0800, Jason Wang wrote:
On 2018年04月11日 15:20, Tiwei Bie wrote:
This patch introduces VHOS
On 2018年04月12日 11:41, Michael S. Tsirkin wrote:
On Thu, Apr 12, 2018 at 11:37:35AM +0800, Jason Wang wrote:
On 2018年04月12日 09:57, Michael S. Tsirkin wrote:
On Thu, Apr 12, 2018 at 09:39:43AM +0800, Tiwei Bie wrote:
On Thu, Apr 12, 2018 at 04:29:29AM +0300, Michael S. Tsirkin wrote:
On Thu,
On Thu, Apr 12, 2018 at 11:43:41AM +0800, Jason Wang wrote:
>
>
> On 2018年04月12日 11:35, Michael S. Tsirkin wrote:
> > > There are more advantages to using request with PASID:
> > >
> > > You can use hardware support for nesting, having guest supply 1st level
> > > translation and host second lev
On 2018年04月12日 11:37, Michael S. Tsirkin wrote:
Yeah, we are still using the existing IOTLB update messages
to send the IOTLB messages to backend. The only difference
is that, QEMU won't wait for the queries before sending the
IOTLB update messages.
Yes, my question is not very clear. I mean w
On 2018年04月12日 11:35, Michael S. Tsirkin wrote:
There are more advantages to using request with PASID:
You can use hardware support for nesting, having guest supply 1st level
translation and host second level translation.
I actually had an idea to do something like this for AMD
and ARM which
On Thu, Apr 12, 2018 at 11:37:35AM +0800, Jason Wang wrote:
>
>
> On 2018年04月12日 09:57, Michael S. Tsirkin wrote:
> > On Thu, Apr 12, 2018 at 09:39:43AM +0800, Tiwei Bie wrote:
> > > On Thu, Apr 12, 2018 at 04:29:29AM +0300, Michael S. Tsirkin wrote:
> > > > On Thu, Apr 12, 2018 at 09:10:59AM +08
On 2018年04月12日 09:57, Michael S. Tsirkin wrote:
On Thu, Apr 12, 2018 at 09:39:43AM +0800, Tiwei Bie wrote:
On Thu, Apr 12, 2018 at 04:29:29AM +0300, Michael S. Tsirkin wrote:
On Thu, Apr 12, 2018 at 09:10:59AM +0800, Tiwei Bie wrote:
On Wed, Apr 11, 2018 at 04:22:21PM +0300, Michael S. Tsirk
On Thu, Apr 12, 2018 at 11:23:31AM +0800, Jason Wang wrote:
>
>
> On 2018年04月12日 01:00, Michael S. Tsirkin wrote:
> > On Wed, Apr 11, 2018 at 09:41:05PM +0800, Jason Wang wrote:
> > > On 2018年04月11日 16:38, Tiwei Bie wrote:
> > > > On Wed, Apr 11, 2018 at 04:01:19PM +0800, Jason Wang wrote:
> > >
On Thu, Apr 12, 2018 at 06:20:55AM +0300, Michael S. Tsirkin wrote:
> On Thu, Apr 12, 2018 at 10:35:05AM +0800, Tiwei Bie wrote:
> > On Thu, Apr 12, 2018 at 04:57:13AM +0300, Michael S. Tsirkin wrote:
> > > On Thu, Apr 12, 2018 at 09:39:43AM +0800, Tiwei Bie wrote:
> > > > On Thu, Apr 12, 2018 at 0
On 2018年04月12日 01:00, Michael S. Tsirkin wrote:
On Wed, Apr 11, 2018 at 09:41:05PM +0800, Jason Wang wrote:
On 2018年04月11日 16:38, Tiwei Bie wrote:
On Wed, Apr 11, 2018 at 04:01:19PM +0800, Jason Wang wrote:
On 2018年04月11日 15:20, Tiwei Bie wrote:
This patch introduces VHOST_USER_PROTOCOL_F_N
On Thu, Apr 12, 2018 at 10:35:05AM +0800, Tiwei Bie wrote:
> On Thu, Apr 12, 2018 at 04:57:13AM +0300, Michael S. Tsirkin wrote:
> > On Thu, Apr 12, 2018 at 09:39:43AM +0800, Tiwei Bie wrote:
> > > On Thu, Apr 12, 2018 at 04:29:29AM +0300, Michael S. Tsirkin wrote:
> > > > On Thu, Apr 12, 2018 at 0
On Thu, Apr 12, 2018 at 04:57:13AM +0300, Michael S. Tsirkin wrote:
> On Thu, Apr 12, 2018 at 09:39:43AM +0800, Tiwei Bie wrote:
> > On Thu, Apr 12, 2018 at 04:29:29AM +0300, Michael S. Tsirkin wrote:
> > > On Thu, Apr 12, 2018 at 09:10:59AM +0800, Tiwei Bie wrote:
> > > > On Wed, Apr 11, 2018 at 0
On Thu, Apr 12, 2018 at 09:39:43AM +0800, Tiwei Bie wrote:
> On Thu, Apr 12, 2018 at 04:29:29AM +0300, Michael S. Tsirkin wrote:
> > On Thu, Apr 12, 2018 at 09:10:59AM +0800, Tiwei Bie wrote:
> > > On Wed, Apr 11, 2018 at 04:22:21PM +0300, Michael S. Tsirkin wrote:
> > > > On Wed, Apr 11, 2018 at 0
On Wed, Apr 11, 2018 at 08:37:17PM +0300, Michael S. Tsirkin wrote:
> On Wed, Apr 11, 2018 at 04:38:53PM +0800, Tiwei Bie wrote:
> > On Wed, Apr 11, 2018 at 04:01:19PM +0800, Jason Wang wrote:
> > > On 2018年04月11日 15:20, Tiwei Bie wrote:
> > > > This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_
On Thu, Apr 12, 2018 at 04:29:29AM +0300, Michael S. Tsirkin wrote:
> On Thu, Apr 12, 2018 at 09:10:59AM +0800, Tiwei Bie wrote:
> > On Wed, Apr 11, 2018 at 04:22:21PM +0300, Michael S. Tsirkin wrote:
> > > On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
> > > > This patch introduces VHO
On Thu, Apr 12, 2018 at 09:10:59AM +0800, Tiwei Bie wrote:
> On Wed, Apr 11, 2018 at 04:22:21PM +0300, Michael S. Tsirkin wrote:
> > On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
> > > This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
> > > feature for vhost-user. By default,
On Wed, Apr 11, 2018 at 04:22:21PM +0300, Michael S. Tsirkin wrote:
> On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
> > This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
> > feature for vhost-user. By default, vhost-user backend needs
> > to query the IOTLBs from QEMU after me
On Wed, Apr 11, 2018 at 04:38:53PM +0800, Tiwei Bie wrote:
> On Wed, Apr 11, 2018 at 04:01:19PM +0800, Jason Wang wrote:
> > On 2018年04月11日 15:20, Tiwei Bie wrote:
> > > This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
> > > feature for vhost-user. By default, vhost-user backend needs
> >
On Wed, Apr 11, 2018 at 09:41:05PM +0800, Jason Wang wrote:
>
>
> On 2018年04月11日 16:38, Tiwei Bie wrote:
> > On Wed, Apr 11, 2018 at 04:01:19PM +0800, Jason Wang wrote:
> > > On 2018年04月11日 15:20, Tiwei Bie wrote:
> > > > This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
> > > > feature
On 2018年04月11日 21:22, Michael S. Tsirkin wrote:
On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
feature for vhost-user. By default, vhost-user backend needs
to query the IOTLBs from QEMU after meeting unknown IOVAs.
With thi
On 2018年04月11日 16:38, Tiwei Bie wrote:
On Wed, Apr 11, 2018 at 04:01:19PM +0800, Jason Wang wrote:
On 2018年04月11日 15:20, Tiwei Bie wrote:
This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
feature for vhost-user. By default, vhost-user backend needs
to query the IOTLBs from QEMU after
On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
> This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
> feature for vhost-user. By default, vhost-user backend needs
> to query the IOTLBs from QEMU after meeting unknown IOVAs.
> With this protocol feature negotiated, QEMU will prov
On Wed, Apr 11, 2018 at 05:16:47PM +0800, Peter Xu wrote:
> On Wed, Apr 11, 2018 at 04:55:25PM +0800, Tiwei Bie wrote:
> > On Wed, Apr 11, 2018 at 04:37:16PM +0800, Peter Xu wrote:
> > > On Wed, Apr 11, 2018 at 04:25:56PM +0800, Tiwei Bie wrote:
> > > > On Wed, Apr 11, 2018 at 04:00:36PM +0800, Pet
On Wed, Apr 11, 2018 at 04:55:25PM +0800, Tiwei Bie wrote:
> On Wed, Apr 11, 2018 at 04:37:16PM +0800, Peter Xu wrote:
> > On Wed, Apr 11, 2018 at 04:25:56PM +0800, Tiwei Bie wrote:
> > > On Wed, Apr 11, 2018 at 04:00:36PM +0800, Peter Xu wrote:
> > > > On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiw
On Wed, Apr 11, 2018 at 04:37:16PM +0800, Peter Xu wrote:
> On Wed, Apr 11, 2018 at 04:25:56PM +0800, Tiwei Bie wrote:
> > On Wed, Apr 11, 2018 at 04:00:36PM +0800, Peter Xu wrote:
> > > On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
> > >
> > > [...]
> > >
> > > > This is just a RFC
On Wed, Apr 11, 2018 at 04:01:19PM +0800, Jason Wang wrote:
> On 2018年04月11日 15:20, Tiwei Bie wrote:
> > This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
> > feature for vhost-user. By default, vhost-user backend needs
> > to query the IOTLBs from QEMU after meeting unknown IOVAs.
> > Wit
On Wed, Apr 11, 2018 at 04:25:56PM +0800, Tiwei Bie wrote:
> Hi Peter,
>
> On Wed, Apr 11, 2018 at 04:00:36PM +0800, Peter Xu wrote:
> > On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
> >
> > [...]
> >
> > > This is just a RFC for now. It seems that, it doesn't work
> > > as expected
Hi Peter,
On Wed, Apr 11, 2018 at 04:00:36PM +0800, Peter Xu wrote:
> On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
>
> [...]
>
> > This is just a RFC for now. It seems that, it doesn't work
> > as expected when guest is using kernel driver (To handle
> > this case, it seems that so
On 2018年04月11日 15:20, Tiwei Bie wrote:
This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
feature for vhost-user. By default, vhost-user backend needs
to query the IOTLBs from QEMU after meeting unknown IOVAs.
With this protocol feature negotiated, QEMU will provide all
the IOTLBs to vh
On Wed, Apr 11, 2018 at 03:20:27PM +0800, Tiwei Bie wrote:
[...]
> This is just a RFC for now. It seems that, it doesn't work
> as expected when guest is using kernel driver (To handle
> this case, it seems that some RAM regions' events also need
> to be listened). Any comments would be appreciat
This patch introduces VHOST_USER_PROTOCOL_F_NEED_ALL_IOTLB
feature for vhost-user. By default, vhost-user backend needs
to query the IOTLBs from QEMU after meeting unknown IOVAs.
With this protocol feature negotiated, QEMU will provide all
the IOTLBs to vhost-user backend without waiting for the
qu
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