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Re: [Qemu-devel] [RFC] vhost-user: introduce F_NEED_ALL_IOTLB protocol f
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From: |
Peter Xu |
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Subject: |
Re: [Qemu-devel] [RFC] vhost-user: introduce F_NEED_ALL_IOTLB protocol feature |
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Date: |
Wed, 11 Apr 2018 16:00:36 +0800 |
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User-agent: |
Mutt/1.9.1 (2017-09-22) |
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?
--
Peter Xu
Re: [Qemu-devel] [RFC] vhost-user: introduce F_NEED_ALL_IOTLB protocol feature, Jason Wang, 2018/04/11