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Date: Thu, 15 Sep 2011 14:21:35 +0300
From: Avi Kivity <avi@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] memory: simple memory tree printer
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To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Blue Swirl <blauwirbel@gmail.com>, qemu-devel <qemu-devel@nongnu.org>, Richard Henderson <rth@twiddle.net>

On 09/15/2011 01:18 PM, Jan Kiszka wrote:
> On 2011-09-15 11:53, Avi Kivity wrote:
> >>>    The host pci bridge remaps this as
> >>>   0x1000000105-0x1000000106 in the memory address space space.  But
> >>>   someone configured a cpu-local region at this address, so the cpu can't
> >>>   reach it at all.
> >>
> >>  Mapping PIO into MMIO space is special as it needs an intermediate layer
> >>  (ie. translation handlers).
> >
> >  Translation handlers aren't needed - you can simply add the pci pio
> >  region as a subregion of the mmio space.
>
>  From the outer perspective. But internally, there is still
> memory_region_iorange_read/write.

These will go away.

> The point is that no use case actually justifies memory_region_set_offset.
>

It's just a compatibility interface.  When everything is converted, and 
no users remain, we'll remove it.

-- 
error compiling committee.c: too many arguments to function