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Re: [Xen-devel] [PATCH] libxl: Specify the target ram size to Qemu (new)
| To: | Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, <anthony.perard@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] libxl: Specify the target ram size to Qemu (new) when calling it |
| From: | Keir Fraser <keir@xxxxxxx> |
| Date: | Thu, 06 Jan 2011 14:35:04 +0000 |
| Cc: | Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Thu, 06 Jan 2011 06:35:41 -0800 |
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| Thread-topic: | [Xen-devel] [PATCH] libxl: Specify the target ram size to Qemu (new) when calling it |
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On 06/01/2011 14:28, "Ian Jackson" <Ian.Jackson@xxxxxxxxxxxxx> wrote:
> anthony.perard@xxxxxxxxxx writes ("[Xen-devel] [PATCH] libxl: Specify the
> target ram size to Qemu (new) when calling it"):
>> This patch adds target_ram in device_model_info structure, to be used in
>> libxl_build_device_model_args_new. Qemu upstream needs to know about it.
>
> I have applied this patch, thanks.
>
> I'm just a little concerned, though: can you explain _why_ qemu
> upstream needs to know the target ram size ?
Qemu used to be responsible for initialising BIOS info tables, including
memory size information such as e820, in lieu of the virtual BIOS doing it.
I ripped all that out from our diverged tree, and put it in
hvmloader/rombios, but maybe they still do it in upstream qemu. I think it
would be harmless if so, since hvmloader/rombios will overwrite/ignore.
-- Keir
> Ian.
>
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