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Re: [Qemu-devel] [PATCH] pci: add standard bridge device

From: Avi Kivity
Subject: Re: [Qemu-devel] [PATCH] pci: add standard bridge device
Date: Mon, 05 Sep 2011 08:36:06 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0) Gecko/20110816 Thunderbird/6.0

On 09/04/2011 08:03 PM, Michael S. Tsirkin wrote:
On Sun, Sep 04, 2011 at 07:22:54PM +0300, Avi Kivity wrote:
>  On 09/04/2011 07:19 PM, Michael S. Tsirkin wrote:
>  >>   But isn't it needed?  Otherwise why don't vga accesses
>  >>   alias with a virtio device at 0xc3c0?
>  >
>  >It really depends on the device I think.
>  >
>  It's probably the bus.  ISA may not decode A10-15, but if the
>  pci/isa bridge does, then it doesn't matter.

The bridge has a 16 bit decode bit. I'm guessing we should
make BIOS enable that.

I'm guessing you're right.

I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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