Re: [Xen-devel] [PATCH 2/2 v2] graphics passthrough with VT-d

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Han, Weidong writes ("[Xen-devel] [PATCH 2/2 v2] graphics passthrough with 
VT-d"):
> This patch supports basic gfx passthrough on QEMU:
>   - disable emulated VGA adpater if there is passthroughed gfx
>   - retrieve VGA bios from host 0xC0000, then load it to guest 0xC0000
>   - register/unregister legacy VGA I/O ports and MMIOs for passthroughed gfx

Thanks for this.  However:

 * It breaks the build if passthrough is disabled (eg due to lack
   of pciutils-dev).

 * Reindenting all of the code in pc.c which initalises out the
   various graphics cards is very merge-unfriendly.  Is that change
   needed at all, or could you just disable the various graphics cards
   on the qemu command line ?

 * Likewise, in vl.c.

Regards,
Ian.

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