[Qemu-devel] Re: [PATCHv2-repost] pcbios: enable io/memory unconditionally

[Avi Kivity <avi@redhat.com>]

On 11/30/2009 04:17 PM, Michael S. Tsirkin wrote:
> On Thu, Oct 08, 2009 at 05:52:56PM +0200, Michael S. Tsirkin wrote:
> VGA adapters need to claim memory and i/o
> transactions even if they do not have any
> i/o or memory bars. E.g. PCI spec, page 297,
> gives an example of such a device:
>
>          Programming interface 0000 0000b
>          VGA-compatible controller. Memory
>          addresses 0A 0000h through 0B
>          FFFFh. I/O addresses 3B0h to 3BBh
>          and 3C0h to 3DFh and all aliases of
>          these addresses.
>
> While we could check for these devices and special-case them, it is
> easier to fix this by enabling i/o and memory space unconditionally:
> devices that do not support it will just ignore this setting.
>
>    

Applied, thanks.

-- 
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