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Re: [Xen-devel] Patches for stable
- To: Juergen Gross <jgross@xxxxxxxx>, George Dunlap <dunlapg@xxxxxxxxx>
- From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Date: Thu, 5 Apr 2018 09:00:30 -0400
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- Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>, stable <stable@xxxxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 05 Apr 2018 12:58:53 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Openpgp: preference=signencrypt
On 04/05/2018 08:19 AM, Juergen Gross wrote:
> On 05/04/18 12:06, George Dunlap wrote:
>
>> Aren't there flags in the binary somewhere that could tell the
>> toolstack / Xen whether the kernel in question needs the RSDP table in
>> lowmem, or whether it can be put higher?
> Not really. Analyzing the binary whether it accesses the rsdp_addr in
> the start_info isn't the way to go, IMO.
>
> I've sent a patch to xen-devel adding a quirk flag to the domain's
> config to enable the admin special casing such an "old" kernel.
Can we backport latest struct hvm_start_info changes (which bumped
interface version) to 4.11 and pass RSDP only for versions >=1?
-boris
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