Re: [PATCH net-next 3/3] vhost: access vq metadata through kernel virtual address

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Subject: Re: [PATCH net-next 3/3] vhost: access vq metadata through kernel virtual address
From: David Miller <davem@xxxxxxxxxxxxx>
Date: Sat, 15 Dec 2018 13:15:06 -0800 (PST)
Cc: mst@xxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <d70c5ac1-c805-cefd-ace1-643a2e271ba0@redhat.com>
References: <20181213101022.12475-4-jasowang@redhat.com> <20181213102713-mutt-send-email-mst@kernel.org> <d70c5ac1-c805-cefd-ace1-643a2e271ba0@redhat.com>

From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Fri, 14 Dec 2018 11:57:35 +0800

> This is the price of all GUP users not only vhost itself. What's more
> important, the goal is not to be left too much behind for other
> backends like DPDK or AF_XDP (all of which are using GUP).

+1

References:
- [PATCH net-next 3/3] vhost: access vq metadata through kernel virtual address
  - From: Jason Wang
- Re: [PATCH net-next 3/3] vhost: access vq metadata through kernel virtual address
  - From: Michael S. Tsirkin
- Re: [PATCH net-next 3/3] vhost: access vq metadata through kernel virtual address
  - From: Jason Wang

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