Re: [PATCH vhost v9 04/12] virtio_ring: virtqueue_add() support premapped

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To: Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH vhost v9 04/12] virtio_ring: virtqueue_add() support premapped
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 22 May 2023 23:03:26 -0700
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
In-reply-to: <20230517022249.20790-5-xuanzhuo@linux.alibaba.com>
References: <20230517022249.20790-1-xuanzhuo@linux.alibaba.com> <20230517022249.20790-5-xuanzhuo@linux.alibaba.com>

On Wed, May 17, 2023 at 10:22:41AM +0800, Xuan Zhuo wrote:
> virtuque_add() adds parameter premapped.

Well, I can see that.  But why?

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Follow-Ups:
- Re: [PATCH vhost v9 04/12] virtio_ring: virtqueue_add() support premapped
  - From: Michael S. Tsirkin

References:
- [PATCH vhost v9 00/12] virtio core prepares for AF_XDP
  - From: Xuan Zhuo
- [PATCH vhost v9 04/12] virtio_ring: virtqueue_add() support premapped
  - From: Xuan Zhuo

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