linux-kernel - Re: [RFC PATCH v4 6/7] xen/pvh: Add memory map pointer to hvm_start

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Date:   Thu, 1 Mar 2018 09:19:46 -0800
From:   Maran Wilson <maran.wilson@...cle.com>
To:     Jan Beulich <jbeulich@...e.com>, Juergen Gross <jgross@...e.com>
Cc:     thomas.lendacky@....com, andrew.cooper3@...rix.com,
        roger.pau@...rix.com, davem@...emloft.net, hch@...radead.org,
        rdunlap@...radead.org, luto@...nel.org, mchehab@...nel.org,
        x86@...nel.org, linus.walleij@...aro.org, tglx@...utronix.de,
        dave.hansen@...ux.intel.com, kirill.shutemov@...ux.intel.com,
        gregkh@...uxfoundation.org, xen-devel@...ts.xenproject.org,
        boris.ostrovsky@...cle.com, jpoimboe@...hat.com, mingo@...hat.com,
        pbonzini@...hat.com, rkrcmar@...hat.com, bp@...e.de,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org, hpa@...or.com
Subject: Re: [RFC PATCH v4 6/7] xen/pvh: Add memory map pointer to
 hvm_start_info struct

On 2/28/2018 11:41 PM, Jan Beulich wrote:
>>>>> Juergen Gross <jgross@...e.com> 03/01/18 8:29 AM >>>
>> On 28/02/18 19:28, Maran Wilson wrote:
>>> The start info structure that is defined as part of the x86/HVM direct boot
>>> ABI and used for starting Xen PVH guests would be more versatile if it also
>>> included a way to pass information about the memory map to the guest. This
>>> would allow KVM guests to share the same entry point.
>>>
>>> Signed-off-by: Maran Wilson <maran.wilson@...cle.com>
>> I'm fine with this, but we need this change being accepted by the Xen
>> community first. So an Ack from Jan or Andrew is required as the same
>> change should be done on Xen side.
> And for an ack to be given I continue to demand that a patch be sent against
> the Xen tree. That said, the change looks fine to me now (as indicated before).

Yes, I plan to send that out against the Xen tree shortly.

Thanks,
-Maran

> Jan
>