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

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Message-Id: <5A97AEC70200007800128C14@prv-mh.provo.novell.com>
Date:   Thu, 01 Mar 2018 00:41:59 -0700
From:   "Jan Beulich" <jbeulich@...e.com>
To:     <maran.wilson@...cle.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

>>>> 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).

Jan