[Qemu-devel] Re: [PATCH 4/7] ide: use the PCI memory access interface

[Michael S. Tsirkin]

On Thu, Sep 02, 2010 at 06:24:25PM +0300, Avi Kivity wrote:
> That's not a practical long term solution.  Eventually everything
> gets turned on.

That's why I wanted a simple !iommu check and fallback.
This way unless it's really used there's no overhead.

> I don't really see a problem with the additional indirection.  By
> the time we reach actual hardware to satisfy the request,
> we'll have gone through many such indirections; modern processors deal
> very well with them.
> 
> -- 
> error compiling committee.c: too many arguments to function