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Re: [Qemu-devel] [PATCH] memory: simple memory tree printer
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [PATCH] memory: simple memory tree printer |
Date: |
Thu, 15 Sep 2011 12:18:25 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
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.
The point is that no use case actually justifies memory_region_set_offset.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, (continued)
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Avi Kivity, 2011/09/14
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Richard Henderson, 2011/09/14
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Avi Kivity, 2011/09/14
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Richard Henderson, 2011/09/14
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Avi Kivity, 2011/09/14
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Jan Kiszka, 2011/09/14
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Jan Kiszka, 2011/09/14
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Avi Kivity, 2011/09/14
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Jan Kiszka, 2011/09/15
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Avi Kivity, 2011/09/15
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer,
Jan Kiszka <=
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Avi Kivity, 2011/09/15
- Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Richard Henderson, 2011/09/14
Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Peter Maydell, 2011/09/12
Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Avi Kivity, 2011/09/12
Re: [Qemu-devel] [PATCH] memory: simple memory tree printer, Gerd Hoffmann, 2011/09/12