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Re: [Xen-ia64-devel] Re: Transparent virtualization and serial port.

To: Alex Williamson <alex.williamson@xxxxxx>
Subject: Re: [Xen-ia64-devel] Re: Transparent virtualization and serial port.
From: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Date: Tue, 8 Aug 2006 16:28:24 +0200
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Le Mardi 08 Août 2006 15:27, Alex Williamson a écrit :
> On Tue, Aug 08, 2006 at 03:20:10PM +0200, Tristan Gingold wrote:
> > Sorry, I completly forgot mmio ports.
> > How much memory is used for the mmio port.  If the granularity is bigger
> > than one page, it should be easy (and even easier).
>
>    Far less than a page, something on the order of 8 bytes, iirc.  It would
> be nice to cover them w/ something smaller than PAGE_SIZE, but PAGE_SIZE
> would be a good start (we might just end up preventing access to more
> than one port).  Thanks,
Yes.
Have you any other device in the same mmio page ?

Tristan.

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