Re: [PATCH vhost v11 05/10] virtio_ring: introduce virtqueue_dma_dev()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


On Thu, Jul 13, 2023 at 10:51:59AM -0400, Michael S. Tsirkin wrote:
> On Thu, Jul 13, 2023 at 04:15:16AM -0700, Christoph Hellwig wrote:
> > On Mon, Jul 10, 2023 at 11:42:32AM +0800, Xuan Zhuo wrote:
> > > Added virtqueue_dma_dev() to get DMA device for virtio. Then the
> > > caller can do dma operation in advance. The purpose is to keep memory
> > > mapped across multiple add/get buf operations.
> > 
> > This is just poking holes into the abstraction..
> More specifically?

Because now you expose a device that can't be used for the non-dma
mapping case and shoud be hidden.
Virtualization mailing list

[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux