Re: [Xen-devel] why the /dev/mem ioctl ?

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

> On Sat, 2 Oct 2004, Mark A. Williamson wrote:
> 
> > The ioctl was used to set the domain whose memory you want /dev/mem to map, 
> > for domain builder etc.  I don't know what (if anything) it's used for 
> > now...
> 
> Cool.  Might be worthwhile to get rid of that piece of code
> then, to make merging Xen into the upstream kernel easier.

The domain builder still uses the /dev/mem ioctl, although it should
be using the special Xen device file which has a higher-performance
mmap'ing interface. I'll fix the tools to use that instead, and clean
up in /dev/mem.

 -- Keir


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