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[Qemu-devel] Re: [PATCH] update bochs vbe interface


From: Gerd Hoffmann
Subject: [Qemu-devel] Re: [PATCH] update bochs vbe interface
Date: Wed, 24 Mar 2010 20:44:19 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.8) Gecko/20100301 Fedora/3.0.3-1.fc12 Thunderbird/3.0.3

On 03/24/10 18:04, Juan Quintela wrote:
Gerd Hoffmann<address@hidden>  wrote:
The bochs vbe interface got a new register a while back, which specifies
the linear framebuffer size in 64k units.  This patch adds support for
the new register to qemu.  With this patch applied vgabios 0.6c works
with qemu.

Signed-off-by: Gerd Hoffmann<address@hidden>

It breaks migration.

vga.c:2218:        VMSTATE_UINT16_ARRAY(vbe_regs, VGACommonState, 
VBE_DISPI_INDEX_NB),

2218 is the interesting line.  Can we freeze this patch until the
subsections stuff is done?

Yea, I see. Well, the new register doesn't carry any state, it is read-only information for the guest. So the easy way out is to simply not save it as we don't have to.

cheers,
  Gerd





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