From: Tamas K Lengyel <tamas.lengyel@zentific.com>
To: Ed White <edmund.h.white@intel.com>
Cc: Tim Deegan <tim@xen.org>, Keir Fraser <keir@xen.org>,
Ian Campbell <ian.campbell@citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
Jan Beulich <JBeulich@suse.com>
Subject: Re: [PATCH 00/11] Alternate p2m: support multiple copies of host p2m
Date: Fri, 16 Jan 2015 11:43:02 +0100 [thread overview]
Message-ID: <CAErYnsgGWOTv55QK7EPmeEv4UHbq9iUZ8Q2KXDdEfNbxjAX2-Q@mail.gmail.com> (raw)
In-Reply-To: <54B7F98F.1050300@intel.com>
On Thu, Jan 15, 2015 at 6:31 PM, Ed White <edmund.h.white@intel.com> wrote:
> On 01/15/2015 02:39 AM, Tamas K Lengyel wrote:
>>> There are ways of avoiding the
>>> single-step too, although I don't think that falls within the scope
>>> of this conversation.
>>>
>>> Ed
>>
>> I would be very interested in knowing how we can avoid the singlestep
>> phase. Are you envisioning using this with a split-TLB? IMHO this is a
>> pretty critical component of effectively using the new feature so
>> should be within scope of this discussion.
>>
>
> It's an optimization certainly, but it's not required, and it's not
> a technique we have placed in the public domain. You could try talking
> to us under NDA or figure it out for yourself, but I can't detail
> it here.
>
> Ed
That's unfortunate. I would have been happy to extend the xen-access
test tool to exercise this feature but contributing code that is known
to be sub-optimal from the beginning just doesn't feel right.
Tamas
next prev parent reply other threads:[~2015-01-16 10:43 UTC|newest]
Thread overview: 135+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-09 21:26 [PATCH 00/11] Alternate p2m: support multiple copies of host p2m Ed White
2015-01-09 21:26 ` [PATCH 01/11] VMX: VMFUNC and #VE definitions and detection Ed White
2015-01-12 13:06 ` Andrew Cooper
2015-01-13 18:50 ` Ed White
2015-01-14 14:38 ` Andrew Cooper
2015-01-09 21:26 ` [PATCH 02/11] VMX: implement suppress #VE Ed White
2015-01-12 16:43 ` Andrew Cooper
2015-01-12 17:45 ` Ed White
2015-01-13 18:36 ` Ed White
2015-01-15 16:25 ` Tim Deegan
2015-01-15 18:46 ` Ed White
2015-01-16 17:22 ` Tim Deegan
2015-03-25 17:30 ` Ed White
2015-03-26 10:15 ` Tim Deegan
2015-01-09 21:26 ` [PATCH 03/11] x86/HVM: Hardware alternate p2m support detection Ed White
2015-01-12 17:08 ` Andrew Cooper
2015-01-12 17:46 ` Ed White
2015-01-15 16:32 ` Tim Deegan
2015-01-09 21:26 ` [PATCH 04/11] x86/MM: Improve p2m type checks Ed White
2015-01-12 17:48 ` Andrew Cooper
2015-01-13 19:39 ` Ed White
2015-01-15 16:36 ` Tim Deegan
2015-01-09 21:26 ` [PATCH 05/11] x86/altp2m: basic data structures and support routines Ed White
2015-01-13 11:28 ` Andrew Cooper
2015-01-13 19:49 ` Ed White
2015-03-25 20:59 ` Ed White
2015-03-26 10:48 ` Tim Deegan
2015-03-26 18:00 ` Ed White
2015-01-15 16:48 ` Tim Deegan
2015-01-15 16:53 ` Jan Beulich
2015-01-15 18:49 ` Ed White
2015-01-16 7:37 ` Jan Beulich
2015-01-16 17:23 ` Tim Deegan
2015-01-09 21:26 ` [PATCH 06/11] VMX/altp2m: add code to support EPTP switching and #VE Ed White
2015-01-13 11:58 ` Andrew Cooper
2015-01-15 16:56 ` Tim Deegan
2015-01-15 18:55 ` Ed White
2015-01-16 17:50 ` Tim Deegan
2015-01-16 17:57 ` Ed White
2015-01-09 21:26 ` [PATCH 07/11] x86/altp2m: introduce p2m_ram_rw_ve type Ed White
2015-01-15 17:03 ` Tim Deegan
2015-01-15 20:38 ` Ed White
2015-01-16 8:20 ` Jan Beulich
2015-01-16 17:14 ` Ed White
2015-01-19 8:49 ` Jan Beulich
2015-01-19 19:53 ` Ed White
2015-01-16 17:52 ` Tim Deegan
2015-01-16 18:35 ` Ed White
2015-01-17 9:37 ` Tim Deegan
2015-01-09 21:26 ` [PATCH 08/11] x86/altp2m: add remaining support routines Ed White
2015-01-15 17:25 ` Tim Deegan
2015-01-15 20:57 ` Ed White
2015-01-16 18:04 ` Tim Deegan
2015-01-15 17:33 ` Tim Deegan
2015-01-15 21:00 ` Ed White
2015-01-16 8:24 ` Jan Beulich
2015-01-16 17:17 ` Ed White
2015-01-19 8:52 ` Jan Beulich
2015-01-16 18:09 ` Tim Deegan
2015-01-09 21:26 ` [PATCH 09/11] x86/altp2m: define and implement alternate p2m HVMOP types Ed White
2015-01-15 17:09 ` Tim Deegan
2015-01-15 20:43 ` Ed White
2015-01-16 17:57 ` Tim Deegan
2015-01-09 21:26 ` [PATCH 10/11] x86/altp2m: fix log-dirty handling Ed White
2015-01-15 17:20 ` Tim Deegan
2015-01-15 20:49 ` Ed White
2015-01-16 17:59 ` Tim Deegan
2015-01-09 21:26 ` [PATCH 11/11] x86/altp2m: alternate p2m memory events Ed White
2015-01-09 22:06 ` [PATCH 00/11] Alternate p2m: support multiple copies of host p2m Andrew Cooper
2015-01-09 22:21 ` Ed White
2015-01-09 22:41 ` Andrew Cooper
2015-01-09 23:04 ` Ed White
2015-01-12 10:00 ` Jan Beulich
2015-01-12 17:36 ` Ed White
2015-01-13 8:56 ` Jan Beulich
2015-01-13 11:28 ` Ian Jackson
2015-01-13 17:42 ` Ed White
2015-01-12 12:17 ` Ian Jackson
2015-01-12 17:39 ` Ed White
2015-01-12 17:43 ` Ian Jackson
2015-01-12 17:50 ` Ed White
2015-01-12 18:00 ` Ian Jackson
2015-01-12 18:31 ` Ed White
2015-01-13 10:21 ` Tamas K Lengyel
2015-01-13 18:25 ` Ed White
2015-01-13 11:16 ` Ian Jackson
2015-01-12 17:51 ` Andrew Cooper
2015-01-13 19:01 ` Andrew Cooper
2015-01-13 20:02 ` Ed White
2015-01-13 20:45 ` Andrew Cooper
2015-01-13 21:30 ` Ed White
2015-01-14 7:04 ` Jan Beulich
2015-01-14 10:31 ` Tamas K Lengyel
2015-01-14 11:09 ` Jan Beulich
2015-01-14 11:28 ` Tamas K Lengyel
2015-01-14 17:35 ` Ed White
2015-01-15 8:16 ` Jan Beulich
2015-01-15 17:28 ` Ed White
2015-01-15 17:45 ` Tim Deegan
2015-01-15 18:44 ` Ed White
2015-03-04 23:06 ` Tamas K Lengyel
2015-03-04 23:41 ` Ed White
2015-03-05 10:51 ` Tamas K Lengyel
2015-03-13 17:38 ` Ed White
2015-03-05 10:36 ` Tim Deegan
2015-03-05 10:58 ` Tamas K Lengyel
2015-03-05 11:13 ` Tim Deegan
2015-01-16 7:35 ` Jan Beulich
2015-01-16 16:54 ` Ed White
2015-01-15 10:39 ` Tamas K Lengyel
2015-01-15 17:31 ` Ed White
2015-01-16 10:43 ` Tamas K Lengyel [this message]
2015-01-16 17:21 ` Ed White
2015-03-05 13:45 ` Egger, Christoph
2015-01-14 7:01 ` Jan Beulich
2015-01-15 16:15 ` Tim Deegan
2015-01-15 18:23 ` Ed White
2015-01-16 8:12 ` Jan Beulich
2015-01-16 17:01 ` Ed White
2015-01-16 18:33 ` Tim Deegan
2015-01-16 20:32 ` Ed White
2015-01-17 9:34 ` Tim Deegan
2015-01-16 21:43 ` Ed White
2015-01-17 9:49 ` Tim Deegan
2015-01-19 19:35 ` Ed White
2015-01-17 9:31 ` Tim Deegan
2015-01-17 15:01 ` Andrew Cooper
2015-01-19 12:17 ` Tim Deegan
2015-01-19 21:54 ` Ed White
2015-01-20 8:47 ` Jan Beulich
2015-01-20 18:43 ` Ed White
2015-01-22 15:42 ` Tim Deegan
2015-01-22 19:15 ` Ed White
2015-03-25 17:41 ` Ed White
2015-03-26 10:40 ` Tim Deegan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAErYnsgGWOTv55QK7EPmeEv4UHbq9iUZ8Q2KXDdEfNbxjAX2-Q@mail.gmail.com \
--to=tamas.lengyel@zentific.com \
--cc=JBeulich@suse.com \
--cc=andrew.cooper3@citrix.com \
--cc=edmund.h.white@intel.com \
--cc=ian.campbell@citrix.com \
--cc=ian.jackson@eu.citrix.com \
--cc=keir@xen.org \
--cc=tim@xen.org \
--cc=xen-devel@lists.xen.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.