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

from [Alex Williamson] [Permanent Link][Original]
To: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Subject: Re: [Xen-ia64-devel] Re: Transparent virtualization and serial port.
From: Alex Williamson <alex.williamson@xxxxxx>
Date: Tue, 8 Aug 2006 07:27:28 -0600
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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,

        Alex

-- 
Alex Williamson                            HP Open Source & Linux Org.

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