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From: Ed White <edmund.h.white@intel.com>
To: George Dunlap <george.dunlap@eu.citrix.com>
Cc: Ravi Sahita <ravi.sahita@intel.com>,
	Wei Liu <wei.liu2@citrix.com>,
	Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
	Jan Beulich <JBeulich@suse.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	tlengyel@novetta.com, Daniel De Graaf <dgdegra@tycho.nsa.gov>
Subject: Re: [PATCH v2 07/12] x86/altp2m: add control of suppress_ve.
Date: Tue, 07 Jul 2015 09:24:38 -0700	[thread overview]
Message-ID: <559BFD46.9030208@intel.com> (raw)
In-Reply-To: <559BA5A2.8080106@eu.citrix.com>

On 07/07/2015 03:10 AM, George Dunlap wrote:
> On 07/06/2015 07:43 PM, Ed White wrote:
>>> Introducing yet another layer -- particularly in a hooked interface like
>>> this -- just seems clunky.  It's not the worst thing in the world; if I
>>> thought this would be the difference between making it or not, I might
>>> just say fix it later.  But I don't think it will; and these little
>>> things add up.
>>>
>>
>> I don't want to change set/get everywhere, and Tim already made it clear
>> that coupling suppress_ve with p2m_type_t is not acceptable.
>>
>> How can I provide an implementation that does not do either of the above
>> but does allow access to suppress_ve in a way that is acceptable?
>>
>> Tell me and I will do it.
> 
> The only reason I can think that you don't want to change get/set is
> that you think it's too much work.
> 
> So here you go, I modified your patch; it took me 10 minutes, which is
> less than what it would have taken me to continue arguing with you.
> I've compile-tested it, but not done anything else (including porting
> subsequent patches onto it).
> 

I'm disappointed that you think that. I respect yours, Jan's, etc. role
as maintainers, and your absolute right to reject anything you think
is inappropriate. It's clear that Jan, and now apparently you, don't
respect my abilities or desire to do good work.

I won't make the changes you suggest because I don't think they
represent good design, and I don't think they are the right way to
solve the issue at hand.

I'm going to hand the Intel end of further discussions off to Ravi
Sahita.

Ed

  reply	other threads:[~2015-07-07 16:24 UTC|newest]

Thread overview: 116+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-22 18:56 [PATCH v2 00/12] Alternate p2m: support multiple copies of host p2m Ed White
2015-06-22 18:56 ` [PATCH v2 01/12] VMX: VMFUNC and #VE definitions and detection Ed White
2015-06-24  8:45   ` Andrew Cooper
2015-06-22 18:56 ` [PATCH v2 02/12] VMX: implement suppress #VE Ed White
2015-06-24  9:35   ` Andrew Cooper
2015-06-29 14:20   ` George Dunlap
2015-06-29 14:31     ` Andrew Cooper
2015-06-29 15:03       ` George Dunlap
2015-06-29 16:21         ` Sahita, Ravi
2015-06-29 16:21         ` Ed White
2015-06-22 18:56 ` [PATCH v2 03/12] x86/HVM: Hardware alternate p2m support detection Ed White
2015-06-24  9:44   ` Andrew Cooper
2015-06-24 10:07     ` Jan Beulich
2015-06-22 18:56 ` [PATCH v2 04/12] x86/altp2m: basic data structures and support routines Ed White
2015-06-24 10:06   ` Andrew Cooper
2015-06-24 10:23     ` Jan Beulich
2015-06-24 17:20     ` Ed White
2015-06-24 10:29   ` Andrew Cooper
2015-06-24 11:14     ` Andrew Cooper
2015-06-26 21:17     ` Ed White
2015-06-27 19:25       ` Ed White
2015-06-29 13:00       ` Andrew Cooper
2015-06-29 16:23         ` Ed White
2015-06-24 14:44   ` Jan Beulich
2015-06-22 18:56 ` [PATCH v2 05/12] VMX/altp2m: add code to support EPTP switching and #VE Ed White
2015-06-24 11:59   ` Andrew Cooper
2015-06-24 17:31     ` Ed White
2015-06-24 17:40       ` Andrew Cooper
2015-06-22 18:56 ` [PATCH v2 06/12] VMX: add VMFUNC leaf 0 (EPTP switching) to emulator Ed White
2015-06-24 12:47   ` Andrew Cooper
2015-06-24 20:29     ` Ed White
2015-06-25  8:26       ` Jan Beulich
2015-06-24 14:26   ` Jan Beulich
2015-06-22 18:56 ` [PATCH v2 07/12] x86/altp2m: add control of suppress_ve Ed White
2015-06-24 13:05   ` Andrew Cooper
2015-06-24 14:38   ` Jan Beulich
2015-06-24 17:53     ` Ed White
2015-06-25  8:12       ` Jan Beulich
2015-06-25 16:36         ` Ed White
2015-06-26  6:04           ` Jan Beulich
2015-06-26 16:27             ` Ed White
2015-07-06 17:12               ` George Dunlap
2015-07-06 17:35                 ` Ed White
2015-07-06 18:29                   ` George Dunlap
2015-07-06 18:43                     ` Ed White
2015-07-07 10:10                       ` George Dunlap
2015-07-07 16:24                         ` Ed White [this message]
2015-07-07 17:33                           ` George Dunlap
2015-07-07 17:38                             ` Sahita, Ravi
2015-07-08  7:24                               ` Jan Beulich
2015-07-08 10:12                               ` Tim Deegan
2015-07-08 12:51                                 ` George Dunlap
2015-07-08  7:23                           ` Jan Beulich
2015-07-07  8:04                     ` Jan Beulich
2015-06-22 18:56 ` [PATCH v2 08/12] x86/altp2m: alternate p2m memory events Ed White
2015-06-24 13:09   ` Andrew Cooper
2015-06-24 16:01   ` Lengyel, Tamas
2015-06-24 18:02     ` Ed White
2015-06-22 18:56 ` [PATCH v2 09/12] x86/altp2m: add remaining support routines Ed White
2015-06-23 18:15   ` Lengyel, Tamas
2015-06-23 18:52     ` Ed White
2015-06-23 19:35       ` Lengyel, Tamas
2015-06-24 13:46   ` Andrew Cooper
2015-06-24 17:47     ` Ed White
2015-06-24 18:19       ` Andrew Cooper
2015-06-26 16:30         ` Ed White
2015-06-29 13:03           ` Andrew Cooper
2015-06-29 16:24             ` Ed White
2015-06-24 16:15   ` Lengyel, Tamas
2015-06-24 18:06     ` Ed White
2015-06-25  8:52       ` Ian Campbell
2015-06-25 16:27         ` Ed White
2015-06-25 12:44       ` Lengyel, Tamas
2015-06-25 13:40         ` Razvan Cojocaru
2015-06-25 16:48           ` Ed White
2015-06-25 17:39             ` Sahita, Ravi
2015-06-25 18:22             ` Razvan Cojocaru
2015-06-25 18:23             ` Lengyel, Tamas
2015-06-25 20:46               ` Ed White
2015-06-25 22:45                 ` Lengyel, Tamas
2015-06-25 23:10                   ` Ed White
2015-06-25  2:44   ` Lengyel, Tamas
2015-06-25 16:31     ` Ed White
2015-06-25 17:42       ` Lengyel, Tamas
2015-06-25 20:27         ` Ed White
2015-06-25 21:33           ` Lengyel, Tamas
2015-06-22 18:56 ` [PATCH v2 10/12] x86/altp2m: define and implement alternate p2m HVMOP types Ed White
2015-06-24 13:58   ` Andrew Cooper
2015-06-24 14:53   ` Jan Beulich
2015-06-22 18:56 ` [PATCH v2 11/12] x86/altp2m: Add altp2mhvm HVM domain parameter Ed White
2015-06-24 14:06   ` Andrew Cooper
2015-06-24 14:59   ` Jan Beulich
2015-06-24 17:57     ` Ed White
2015-06-24 18:08       ` Andrew Cooper
2015-06-25  8:34         ` Jan Beulich
2015-06-25  8:33       ` Jan Beulich
2015-06-22 18:56 ` [PATCH v2 12/12] x86/altp2m: XSM hooks for altp2m HVM ops Ed White
2015-06-26 19:24   ` Daniel De Graaf
2015-06-26 19:35     ` Ed White
2015-06-29 17:52       ` Daniel De Graaf
2015-06-29 17:55         ` Sahita, Ravi
2015-06-23 21:27 ` [PATCH v2 00/12] Alternate p2m: support multiple copies of host p2m Lengyel, Tamas
2015-06-23 22:25   ` Ed White
2015-06-24  5:39   ` Razvan Cojocaru
2015-06-24 13:32     ` Lengyel, Tamas
2015-06-24 13:37       ` Razvan Cojocaru
2015-06-24 16:43         ` Ed White
2015-06-24 21:34           ` Lengyel, Tamas
2015-06-24 22:02             ` Ed White
2015-06-24 22:45               ` Lengyel, Tamas
2015-06-24 22:55                 ` Ed White
2015-06-25  9:00                   ` Andrew Cooper
2015-06-25 16:38                     ` Ed White
2015-06-25 17:29                       ` Lengyel, Tamas
2015-06-25 20:34                         ` Ed White
2015-06-24 14:10 ` Andrew Cooper

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