|
| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] [PATCH v4 03/11] dataplane: add host memory mapping code |
| Date: | Thu, 29 Nov 2012 10:26:22 -0500 (EST) |
> > I don't understand. If memory in the VGA region returns true from
> > memory_region_is_ram(), why would there be a problem?
>
> If you change this memory but you don't update the display.
> Never happens with non buggy guests but we should catch and fail if
> it does.
Actually it _could_ happen with an MS-DOS guest that does the oh-so-retro
DEF SEG=&HB800
BLOAD "file.pic", 0
(I think).
Paolo
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