From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: "Chen, Tiejun" <tiejun.chen@intel.com>
Cc: kevin.tian@intel.com, wei.liu2@citrix.com,
ian.campbell@citrix.com, stefano.stabellini@eu.citrix.com,
ian.jackson@eu.citrix.com, Tim Deegan <tim@xen.org>,
xen-devel@lists.xen.org, Jan Beulich <JBeulich@suse.com>,
yang.z.zhang@intel.com
Subject: Re: [v8][PATCH 04/17] update the existing hypercall to support XEN_DOMCTL_set_rdm
Date: Wed, 10 Dec 2014 15:21:03 -0500 [thread overview]
Message-ID: <20141210202103.GA12367@laptop.dumpdata.com> (raw)
In-Reply-To: <5487A8F0.2010701@intel.com>
On Wed, Dec 10, 2014 at 09:59:12AM +0800, Chen, Tiejun wrote:
> On 2014/12/9 18:22, Jan Beulich wrote:
> >>>>On 09.12.14 at 11:11, <tim@xen.org> wrote:
> >>At 08:19 +0000 on 09 Dec (1418109561), Jan Beulich wrote:
> >>>Why do you always pick other than the simplest possible solution?
> >>
> >>Jan, please don't make personal comments like this in code review. It
> >>can only offend and demoralize contributors, and deter other people
> >>from joining in.
> >
> >I apologize - I shouldn't have permitted myself to do so.
> >
> >>I understand that it can be frustrating, and I'm sure I have lashed
>
> Actually myself also have this same feeling but this really isn't helpful to
> step forward.
>
> >>out at people on-list in the past. But remember that people who are
> >>new to the project need time to learn, and keep the comments to the
> >>code itself.
> >>
> >>I can see that this series has been going for a long time, and is
> >>still getting hung up on coding style issues. Might it be useful to
>
> Something is my fault here. Although I learn more about Xen from this series
> constantly, looks its hard to cover this big thread with that reasonable
> code under Xen circumstance. This is also why I claimed I can't do this
> right from the start.
>
> And additionally, even some initial designs are not very clear or argued
> between us, so when we discuss something during each revision, it bring a
> new thought again...
<nods>
>
> >>have a round of internal review from some of the more xen-experienced
> >>engineers at Intel before Jan looks at it again?
> >
> >I've been suggesting something along those lines a number of times,
> >with (apparently) no success at all.
> >
>
> Actually we had a little bit discussion internal and some guys really
> brought me some comments previously, but I think they're too busy to review
> each patch carefully one line by one line, especially if I bring something
> new to address yours comments just in the process of public review.
>
> Anyway, now let me ask if this can deliver to other suitable guy. As I said
> previously I really would like to quit if this can step next properly.
Bummer. I was really looking forward to more patches from you. I understand
the frustration working throught this (my first patches in Linux took 9
months!) and I was hoping that you having to go through a pretty complex
code and getting the it done (with twist and turns at every corner) the
end result would be:
- You would understand the Xen codebase at an expert level!
- And would be able to contribute to Xen on other features knowing
pitfalls, etc.
- You would be able to help other engineers that start working on Xen
how to do it.
- Comfrotably review other folks patches.
Is there something that can be done for you to not step away?
next prev parent reply other threads:[~2014-12-10 20:21 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-01 9:24 [v8][PATCH 00/17] xen: RMRR fix Tiejun Chen
2014-12-01 9:24 ` [v8][PATCH 01/17] tools/hvmloader: link errno.h from xen internal Tiejun Chen
2014-12-01 9:24 ` [v8][PATCH 02/17] introduce XEN_DOMCTL_set_rdm Tiejun Chen
2014-12-02 8:33 ` Tian, Kevin
2014-12-08 1:30 ` Chen, Tiejun
2014-12-02 19:39 ` Konrad Rzeszutek Wilk
2014-12-08 3:16 ` Chen, Tiejun
2014-12-08 15:57 ` Konrad Rzeszutek Wilk
2014-12-09 1:06 ` Chen, Tiejun
2014-12-09 8:33 ` Jan Beulich
2014-12-09 16:36 ` Konrad Rzeszutek Wilk
2014-12-04 15:33 ` Jan Beulich
2014-12-05 6:13 ` Tian, Kevin
2014-12-08 6:06 ` Chen, Tiejun
2014-12-08 8:43 ` Jan Beulich
2014-12-09 2:38 ` Chen, Tiejun
2014-12-09 7:29 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 03/17] introduce XENMEM_reserved_device_memory_map Tiejun Chen
2014-12-02 19:47 ` Konrad Rzeszutek Wilk
2014-12-08 6:17 ` Chen, Tiejun
2014-12-08 10:00 ` Jan Beulich
2014-12-08 16:45 ` Daniel De Graaf
2014-12-08 16:54 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 04/17] update the existing hypercall to support XEN_DOMCTL_set_rdm Tiejun Chen
2014-12-02 8:46 ` Tian, Kevin
2014-12-08 6:22 ` Chen, Tiejun
2014-12-04 15:50 ` Jan Beulich
2014-12-08 7:11 ` Chen, Tiejun
2014-12-08 8:51 ` Jan Beulich
2014-12-09 7:47 ` Chen, Tiejun
2014-12-09 8:19 ` Jan Beulich
2014-12-09 9:12 ` Chen, Tiejun
2014-12-09 9:21 ` Jan Beulich
2014-12-09 9:35 ` Chen, Tiejun
2014-12-09 10:11 ` Tim Deegan
2014-12-09 10:22 ` Jan Beulich
2014-12-10 1:59 ` Chen, Tiejun
2014-12-10 20:21 ` Konrad Rzeszutek Wilk [this message]
2014-12-10 3:39 ` Tian, Kevin
2014-12-10 9:01 ` Jan Beulich
2014-12-10 9:57 ` Tian, Kevin
2014-12-10 11:12 ` Tim Deegan
2014-12-11 2:03 ` Tian, Kevin
2014-12-11 13:09 ` Tim Deegan
2014-12-18 16:13 ` Tim Deegan
2014-12-19 1:03 ` Chen, Tiejun
2014-12-01 9:24 ` [v8][PATCH 05/17] tools/libxc: introduce hypercall for xc_reserved_device_memory_map Tiejun Chen
2014-12-02 8:46 ` Tian, Kevin
2014-12-02 19:50 ` Konrad Rzeszutek Wilk
2014-12-08 7:25 ` Chen, Tiejun
2014-12-08 15:52 ` Konrad Rzeszutek Wilk
2014-12-01 9:24 ` [v8][PATCH 06/17] tools/libxc: check if modules space is overlapping with reserved device memory Tiejun Chen
2014-12-02 8:54 ` Tian, Kevin
2014-12-02 19:55 ` Konrad Rzeszutek Wilk
2014-12-08 7:49 ` Chen, Tiejun
2014-12-01 9:24 ` [v8][PATCH 07/17] hvmloader/util: get reserved device memory maps Tiejun Chen
2014-12-02 8:59 ` Tian, Kevin
2014-12-08 7:55 ` Chen, Tiejun
2014-12-02 20:01 ` Konrad Rzeszutek Wilk
2014-12-08 8:09 ` Chen, Tiejun
2014-12-08 8:45 ` Chen, Tiejun
2014-12-04 15:52 ` Jan Beulich
2014-12-08 8:52 ` Chen, Tiejun
2014-12-08 9:18 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 08/17] hvmloader/mmio: reconcile guest mmio with reserved device memory Tiejun Chen
2014-12-02 9:11 ` Tian, Kevin
2014-12-08 9:04 ` Chen, Tiejun
2014-12-04 16:04 ` Jan Beulich
2014-12-08 9:10 ` Chen, Tiejun
2014-12-01 9:24 ` [v8][PATCH 09/17] hvmloader/ram: check if guest memory is out of reserved device memory maps Tiejun Chen
2014-12-02 9:42 ` Tian, Kevin
2014-12-02 20:17 ` Konrad Rzeszutek Wilk
2014-12-04 16:20 ` Jan Beulich
2014-12-05 6:23 ` Tian, Kevin
2014-12-05 7:43 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 10/17] hvmloader/mem_hole_alloc: skip any overlap with reserved device memory Tiejun Chen
2014-12-02 9:48 ` Tian, Kevin
2014-12-02 20:23 ` Konrad Rzeszutek Wilk
2014-12-04 16:28 ` Jan Beulich
2014-12-05 6:24 ` Tian, Kevin
2014-12-05 7:46 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 11/17] xen/x86/p2m: reject populating for reserved device memory mapping Tiejun Chen
2014-12-02 9:57 ` Tian, Kevin
2014-12-04 16:42 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 12/17] xen/x86/ept: handle reserved device memory in ept_handle_violation Tiejun Chen
2014-12-02 9:59 ` Tian, Kevin
2014-12-02 20:26 ` Konrad Rzeszutek Wilk
2014-12-04 16:46 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 13/17] xen/mem_access: don't allow accessing reserved device memory Tiejun Chen
2014-12-02 14:54 ` Julien Grall
2014-12-18 22:56 ` Tamas K Lengyel
2014-12-02 20:27 ` Konrad Rzeszutek Wilk
2014-12-04 16:51 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 14/17] xen/x86/p2m: introduce set_identity_p2m_entry Tiejun Chen
2014-12-02 10:00 ` Tian, Kevin
2014-12-02 20:29 ` Konrad Rzeszutek Wilk
2014-12-01 9:24 ` [v8][PATCH 15/17] xen:vtd: create RMRR mapping Tiejun Chen
2014-12-02 10:02 ` Tian, Kevin
2014-12-02 20:30 ` Konrad Rzeszutek Wilk
2014-12-01 9:24 ` [v8][PATCH 16/17] xen/vtd: group assigned device with RMRR Tiejun Chen
2014-12-02 10:11 ` Tian, Kevin
2014-12-02 20:40 ` Konrad Rzeszutek Wilk
2014-12-04 17:05 ` Jan Beulich
2014-12-01 9:24 ` [v8][PATCH 17/17] xen/vtd: re-enable USB device assignment if enable pci_force Tiejun Chen
2014-12-05 16:12 ` Konrad Rzeszutek Wilk
2014-12-02 19:17 ` [v8][PATCH 00/17] xen: RMRR fix Konrad Rzeszutek Wilk
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