From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH] x86/HVM: honor p2m_ram_ro in
	hvm_map_guest_frame_rw()
Date: Fri, 14 Aug 2015 09:26:00 -0400
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To: Jan Beulich <JBeulich@suse.com>
Cc: Kevin Tian <kevin.tian@intel.com>, Wei Liu <wei.liu2@citrix.com>, suravee.suthikulpanit@amd.com, Andrew Cooper <andrew.cooper3@citrix.com>, Eddie Dong <eddie.dong@intel.com>, Aravind Gopalakrishnan <aravind.gopalakrishnan@amd.com>, Jun Nakajima <jun.nakajima@intel.com>, xen-devel <xen-devel@lists.xenproject.org>, Keir Fraser <keir@xen.org>
List-Id: xen-devel@lists.xenproject.org

On 08/14/2015 06:38 AM, Jan Beulich wrote:
>>>> On 31.07.15 at 18:06, <boris.ostrovsky@oracle.com> wrote:
>> On 07/24/2015 05:41 AM, Jan Beulich wrote:
>>> @@ -1693,14 +1703,22 @@ int nvmx_handle_vmclear(struct cpu_user_
>>>        else
>>>        {
>>>            /* Even if this VMCS isn't the current one, we must clear it. */
>>> -        vvmcs = hvm_map_guest_frame_rw(gpa >> PAGE_SHIFT, 0);
>>> +        bool_t writable;
>>> +
>>> +        vvmcs = hvm_map_guest_frame_rw(gpa >> PAGE_SHIFT, 0, &writable);
>> Since you replaced 'gpa >> PAGE_SHIFT' with 'paddr_to_pfn(gpa' above,
>> perhaps it should be replaced here too.
>>
>> Other than that,
>> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> I took the liberty to downgrade this to an ack (covering SVM) on
> v2 (since the SVM part didn't change).

Sure. (I also reviewed v2 so you can use either tag).

-boris