From: "Egger, Christoph" <chegger@amazon.de>
To: "Zhang, Yang Z" <yang.z.zhang@intel.com>,
Jan Beulich <JBeulich@suse.com>,
"Dong, Eddie" <eddie.dong@intel.com>
Cc: xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH 1/3] Nested VMX: update nested paging mode when vmswitch is in progress
Date: Mon, 20 Jan 2014 10:07:31 +0100 [thread overview]
Message-ID: <52DCE753.1040507@amazon.de> (raw)
In-Reply-To: <A9667DDFB95DB7438FA9D7D576C3D87E0A9BC3CB@SHSMSX104.ccr.corp.intel.com>
On 14.01.14 08:38, Zhang, Yang Z wrote:
> Jan Beulich wrote on 2014-01-14:
>>>>> On 14.01.14 at 03:33, "Zhang, Yang Z" <yang.z.zhang@intel.com> wrote:
>>> Zhang, Yang Z wrote on 2013-12-24:
>>>
>>> Any comments ?
>>
>> Considering Christoph's comments and reservations, if you can't alone
>> deal with this I think you should work with the AMD people to
>> eliminate or address his concerns.
>>
>
> Yes. But the problem puzzled me is that Christoph said nested SVM works
> well w/o my patch which I cannot understand. Because according my analysis
> in previous thread, it also buggy in AMD side. But if they really solved
> the issue in their side, I wonder how they fix it. Perhaps I can use the
> same solution in VMX side without touch the common code.
>
> Christoph, can you help to check it? thanks.
The fix I mentioned solves the vmswitch problem on AMD side.
The page mode problem you discovered is a seperate issue for
both SVM and VMX that needs to be addressed.
Christoph
next prev parent reply other threads:[~2014-01-20 9:07 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-12 2:06 [PATCH 0/3] some nested vmx fixing to hyper-v Yang Zhang
2013-12-12 2:06 ` [PATCH 1/3] Nested VMX: update nested paging mode when vmswitch is in progress Yang Zhang
2013-12-12 11:04 ` Egger, Christoph
2013-12-13 3:30 ` Zhang, Yang Z
2013-12-17 1:10 ` Zhang, Yang Z
2013-12-18 8:58 ` Dong, Eddie
2013-12-18 10:08 ` Jan Beulich
2013-12-18 10:24 ` Zhang, Yang Z
2013-12-18 12:05 ` Egger, Christoph
2013-12-23 1:34 ` Zhang, Yang Z
2013-12-24 11:35 ` Zhang, Yang Z
2014-01-14 2:33 ` Zhang, Yang Z
2014-01-14 7:29 ` Jan Beulich
2014-01-14 7:38 ` Zhang, Yang Z
2014-01-20 9:07 ` Egger, Christoph [this message]
2014-01-21 8:49 ` Zhang, Yang Z
2014-01-21 9:46 ` Egger, Christoph
2013-12-18 15:56 ` Dong, Eddie
2013-12-12 2:06 ` [PATCH 2/3] VMX, apicv: Set "NMI-window exiting" for NMI Yang Zhang
2014-01-08 1:23 ` Zhang, Yang Z
2014-01-08 1:28 ` Andrew Cooper
2014-01-08 1:36 ` Zhang, Yang Z
2014-01-08 1:41 ` Zhang, Yang Z
2013-12-12 2:06 ` [PATCH 3/3] Nested VMX: Setup the virtual NMI exiting info Yang Zhang
2013-12-18 9:00 ` Dong, Eddie
2013-12-18 5:39 ` [PATCH 0/3] some nested vmx fixing to hyper-v Zhang, Yang Z
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