Re: [Qemu-devel] [PATCH 2/6] change vectored block I/O API to plain iovecs

[Avi Kivity]

Anthony Liguori wrote:
> > virtio gets its iovecs through a hacky (and incorrect, try >=4G) 
> > method.  IMO virtio should be fixed to use the dma api, at which 
> > point it will start to use QEMUIOVector anyway,
>
> >= 4GB should work fine in virtio.  It basically replicates the DMA 
> API today.  It doesn't handle MMIO memory though.

Right.  I saw phys_ram_base somewhere and jumped to conclusions.  Sorry 
about the noise.

Still, it should use the dma api to avoid code duplication.

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