[Xen-devel] Re: [PATCH] libxenlight: implement libxl_set_memory_target

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 10 Dec 2009, Andres Lagar-Cavilla wrote:
> Errrr, no.
> http://xenbits.xen.org/xen-unstable.hg?file/8f304c003af4/tools/libxl/libxl.c 
> shows that the videoram node will be set only if we are using a 
> device-model. And specifically if we are in fully virtualized mode, i.e. 
> dm_info->type == XENFV, i.e. *not* PV

I understand that this can be confusing, but at the moment we have two
videoram parameters: dm_info->videoram is for the device model while
b_info->video_memkb is for domain building.
If you look at init_dm_info, you'll see that dm_info->videoram is set
from b_info->video_memkb.
Also if you read libxl_dom.c:build_post you'll see that no matter if the
guest is a pv or an hvm domain, memory/videoram will be written to
xenstore anyway.


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