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From: Ed White <edmund.h.white@intel.com>
To: Tim Deegan <tim@xen.org>
Cc: keir@xen.org, ian.jackson@eu.citrix.com, ian.campbell@citrix.com,
	jbeulich@suse.com, xen-devel@lists.xen.org
Subject: Re: [PATCH 00/11] Alternate p2m: support multiple copies of host p2m
Date: Mon, 19 Jan 2015 11:35:32 -0800	[thread overview]
Message-ID: <54BD5C84.7050402@intel.com> (raw)
In-Reply-To: <20150117094954.GD35432@deinos.phlegethon.org>

On 01/17/2015 01:49 AM, Tim Deegan wrote:
> At 13:43 -0800 on 16 Jan (1421412191), Ed White wrote:
>> I've tried to make all my work consistent with existing code
>> and design in the same vein or same source file, regardless of my
>> opinion of that existing content, unless I had some compelling reason
>> not to. I've also tried not to touch anything that I didn't absolutely
>> have to touch (and as I've hinted, I'm not allowed to touch nested p2m).
>>
>> I'm sure I haven't always succeeded, but that has been my intent.
>> My view was that this approach gave me the best chance of getting
>> the work accepted.
> 
> Thank you for that, by the way.  I realise that this kind of review
> can be terribly off-putting because every negative thing has to be
> gone over in detail whereas the positives are pretty well taken for
> granted.  And there is basically no way to get everything right first
> time through -- you'll see that even code from long-time contributors
> goes through the same process.

I'm not upset or discouraged. Now that you all understand at least
in broad terms what I'm trying to achieve, no-one is telling me to
go away and forget the whole idea.

Late last week some of our discussion had become philosophical, so
I thought it was worth making my philosophy clear: I want to make
Xen support these capabilities, and I want to do it properly, and
I want to make it as easy as possible for you to accept the
changes.

Righting all the wrongs I perceive in Xen can wait for another
day.

Ed

  reply	other threads:[~2015-01-19 19:35 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
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 [this message]
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

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