From: "Jan Beulich" <JBeulich@suse.com>
To: "Aravindh Puthiyaparambil (aravindp)" <aravindp@cisco.com>
Cc: KeirFraser <keir@xen.org>, Ian Campbell <ian.campbell@citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Tim Deegan <tim@xen.org>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
Ian Jackson <ian.jackson@eu.citrix.com>
Subject: Re: [PATCH RFC v2 1/4] x86/mm: Shadow and p2m changes for PV mem_access
Date: Wed, 27 Aug 2014 07:33:51 +0100 [thread overview]
Message-ID: <53FD97EF020000780002DEF2@mail.emea.novell.com> (raw)
In-Reply-To: <97A500D504438F4ABC02EBA81613CC63318E3BB9@xmb-aln-x02.cisco.com>
>>> On 27.08.14 at 00:27, <aravindp@cisco.com> wrote:
>>> 2. The "CR0.WP with interrupts disabled" solution is not viable because of
>>> NMIs. Or did I misunderstand?
>>
>>For this second option, NMIs are a concern. Whether that makes it
>>not viable I'm not certain. We really need to weigh benefits and risks
>>here, and from a project wide perspective I'm currently viewing the
>
> From what I can tell, Andrew does think that this route is a viable option
> and I will defer to you and him about this. If there is agreement that this
> approach is acceptable, I will send out another version of the patches
> implementing it.
Yes, I think you should go ahead with this, understanding that there's
no promise (just reasonable likelihood) to take it in the end. It's kind of
unfortunate that Tim currently has very little time to spend on voicing
his opinion here.
Jan
next prev parent reply other threads:[~2014-08-27 6:33 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-08 2:50 [PATCH RFC v2 0/4] Add mem_access support for PV domains Aravindh Puthiyaparambil
2014-07-08 2:50 ` [PATCH RFC v2 1/4] x86/mm: Shadow and p2m changes for PV mem_access Aravindh Puthiyaparambil
2014-07-24 14:29 ` Jan Beulich
2014-07-24 23:34 ` Aravindh Puthiyaparambil (aravindp)
2014-07-25 7:19 ` Jan Beulich
2014-07-25 21:39 ` Aravindh Puthiyaparambil (aravindp)
2014-07-28 6:49 ` Jan Beulich
2014-07-28 21:14 ` Aravindh Puthiyaparambil (aravindp)
2014-07-30 4:05 ` Aravindh Puthiyaparambil (aravindp)
2014-07-30 7:11 ` Jan Beulich
2014-07-30 18:35 ` Aravindh Puthiyaparambil (aravindp)
2014-08-01 6:39 ` Jan Beulich
2014-08-01 18:08 ` Aravindh Puthiyaparambil (aravindp)
2014-08-04 7:03 ` Jan Beulich
2014-08-05 0:14 ` Aravindh Puthiyaparambil (aravindp)
2014-08-05 6:33 ` Jan Beulich
2014-08-13 22:14 ` Aravindh Puthiyaparambil (aravindp)
2014-08-22 2:29 ` Aravindh Puthiyaparambil (aravindp)
2014-08-22 9:34 ` Andrew Cooper
2014-08-22 10:02 ` Jan Beulich
2014-08-22 10:14 ` Andrew Cooper
2014-08-22 18:28 ` Aravindh Puthiyaparambil (aravindp)
2014-08-22 18:52 ` Andrew Cooper
2014-08-25 12:45 ` Gianluca Guida
2014-08-25 13:01 ` Jan Beulich
2014-08-25 13:02 ` Andrew Cooper
2014-08-25 13:59 ` Gianluca Guida
2014-08-22 15:33 ` Jan Beulich
2014-08-22 19:07 ` Aravindh Puthiyaparambil (aravindp)
2014-08-22 19:24 ` Andrew Cooper
2014-08-22 19:48 ` Aravindh Puthiyaparambil (aravindp)
2014-08-22 20:02 ` Andrew Cooper
2014-08-22 20:13 ` Aravindh Puthiyaparambil (aravindp)
2014-08-25 7:34 ` Jan Beulich
2014-08-25 7:33 ` Jan Beulich
2014-08-25 12:49 ` Andrew Cooper
2014-08-25 13:09 ` Jan Beulich
2014-08-25 16:56 ` Aravindh Puthiyaparambil (aravindp)
2014-08-26 7:08 ` Jan Beulich
2014-08-26 22:27 ` Aravindh Puthiyaparambil (aravindp)
2014-08-26 23:30 ` Andrew Cooper
2014-08-28 9:34 ` Tim Deegan
2014-08-28 18:33 ` Aravindh Puthiyaparambil (aravindp)
2014-08-27 6:33 ` Jan Beulich [this message]
2014-08-27 7:49 ` Tim Deegan
2014-08-27 17:29 ` Aravindh Puthiyaparambil (aravindp)
2014-08-25 17:44 ` Andrew Cooper
2014-08-26 7:12 ` Jan Beulich
2014-08-25 7:29 ` Jan Beulich
2014-08-25 16:40 ` Aravindh Puthiyaparambil (aravindp)
2014-08-28 9:14 ` Tim Deegan
2014-08-28 18:31 ` Aravindh Puthiyaparambil (aravindp)
2014-08-28 19:00 ` Tim Deegan
2014-08-28 19:23 ` Aravindh Puthiyaparambil (aravindp)
2014-08-28 20:37 ` Tim Deegan
2014-08-28 21:35 ` Aravindh Puthiyaparambil (aravindp)
2014-08-28 22:20 ` Aravindh Puthiyaparambil (aravindp)
2014-08-29 9:52 ` Tim Deegan
2014-08-29 17:52 ` Aravindh Puthiyaparambil (aravindp)
2014-08-29 19:03 ` Aravindh Puthiyaparambil (aravindp)
2014-09-01 10:38 ` Jan Beulich
2014-09-02 21:57 ` Aravindh Puthiyaparambil (aravindp)
2014-09-03 8:31 ` Jan Beulich
2014-09-03 18:50 ` Aravindh Puthiyaparambil (aravindp)
2014-09-04 6:39 ` Jan Beulich
2014-09-04 18:24 ` Aravindh Puthiyaparambil (aravindp)
2014-09-05 8:11 ` Jan Beulich
2014-09-05 22:49 ` Aravindh Puthiyaparambil (aravindp)
[not found] ` <20140904083906.GA86555@deinos.phlegethon.org>
[not found] ` <540849430200007800030C47@mail.emea.novell.com>
2014-09-11 19:40 ` Aravindh Puthiyaparambil (aravindp)
2014-09-12 7:21 ` Jan Beulich
2014-09-12 18:01 ` Aravindh Puthiyaparambil (aravindp)
2014-08-28 9:09 ` Tim Deegan
2014-08-28 18:23 ` Aravindh Puthiyaparambil (aravindp)
2014-07-08 2:50 ` [PATCH RFC v2 2/4] x86/mem_access: mem_access and mem_event changes to support PV domains Aravindh Puthiyaparambil
2014-07-24 14:38 ` Jan Beulich
2014-07-24 23:52 ` Aravindh Puthiyaparambil (aravindp)
2014-07-25 7:23 ` Jan Beulich
2014-07-25 21:47 ` Aravindh Puthiyaparambil (aravindp)
2014-07-28 6:56 ` Jan Beulich
2014-07-28 21:16 ` Aravindh Puthiyaparambil (aravindp)
2014-07-08 2:50 ` [PATCH RFC v2 3/4] tools/libxc: Add APIs for PV mem_access Aravindh Puthiyaparambil
2014-07-08 2:50 ` [PATCH RFC v2 4/4] tool/xen-access: Add support for PV domains Aravindh Puthiyaparambil
2014-07-08 16:27 ` [PATCH RFC v2 0/4] Add mem_access " Konrad Rzeszutek Wilk
2014-07-08 17:57 ` Aravindh Puthiyaparambil (aravindp)
2014-07-09 0:31 ` Aravindh Puthiyaparambil (aravindp)
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