From: Tiwei Bie <tiwei.bie@intel.com>
To: Peter Xu <peterx@redhat.com>
Cc: mst@redhat.com, jasowang@redhat.com, qemu-devel@nongnu.org,
dan.daly@intel.com, cunming.liang@intel.com,
zhihong.wang@intel.com
Subject: Re: [Qemu-devel] [RFC] vhost-user: introduce F_NEED_ALL_IOTLB protocol feature
Date: Wed, 11 Apr 2018 16:25:56 +0800 [thread overview]
Message-ID: <20180411082556.3hjaubnnw3hbpnp3@debian> (raw)
In-Reply-To: <20180411080036.GD13887@xz-mi>
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 some RAM regions' events also need
> > to be listened). Any comments would be appreciated! Thanks!
>
> Hi, Tiwei,
>
> What's your kernel command line in the guest? Is iommu=pt there?
Yeah, you are right! The related things in kernel command line are:
iommu=pt intel_iommu=on
Hmm, how will this param affect vIOMMU's behaviour?..
Best regards,
Tiwei Bie
>
> --
> Peter Xu
next prev parent reply other threads:[~2018-04-11 8:28 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-11 7:20 [Qemu-devel] [RFC] vhost-user: introduce F_NEED_ALL_IOTLB protocol feature Tiwei Bie
2018-04-11 8:00 ` Peter Xu
2018-04-11 8:25 ` Tiwei Bie [this message]
2018-04-11 8:37 ` Peter Xu
2018-04-11 8:55 ` Tiwei Bie
2018-04-11 9:16 ` Peter Xu
2018-04-11 9:25 ` Tiwei Bie
2018-04-11 8:01 ` Jason Wang
2018-04-11 8:38 ` Tiwei Bie
2018-04-11 13:41 ` Jason Wang
2018-04-11 17:00 ` Michael S. Tsirkin
2018-04-12 3:23 ` Jason Wang
2018-04-12 3:37 ` Michael S. Tsirkin
2018-04-12 3:56 ` Jason Wang
2018-04-11 17:37 ` Michael S. Tsirkin
2018-04-12 1:44 ` Tiwei Bie
2018-04-12 7:38 ` Jason Wang
2018-04-12 8:10 ` Tiwei Bie
2018-04-12 9:40 ` Jason Wang
2018-04-11 13:22 ` Michael S. Tsirkin
2018-04-11 13:42 ` Jason Wang
2018-04-12 1:10 ` Tiwei Bie
2018-04-12 1:29 ` Michael S. Tsirkin
2018-04-12 1:39 ` Tiwei Bie
2018-04-12 1:57 ` Michael S. Tsirkin
2018-04-12 2:35 ` Tiwei Bie
2018-04-12 3:20 ` Michael S. Tsirkin
2018-04-12 3:35 ` Michael S. Tsirkin
2018-04-12 3:43 ` Jason Wang
2018-04-12 4:19 ` Michael S. Tsirkin
2018-04-12 3:37 ` Jason Wang
2018-04-12 3:41 ` Michael S. Tsirkin
2018-04-12 7:24 ` Jason Wang
2018-04-16 7:47 ` Stefan Hajnoczi
2018-04-17 2:14 ` Jason Wang
2018-04-17 2:35 ` Tiwei Bie
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