From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: Ian Jackson <Ian.Jackson@eu.citrix.com>,
Xen-devel <xen-devel@lists.xen.org>
Subject: Re: [PATCH 09/29] [HACK] tools/libxc: save/restore v2 framework
Date: Thu, 11 Sep 2014 12:04:51 +0100 [thread overview]
Message-ID: <541181D3.5090008@citrix.com> (raw)
In-Reply-To: <1410433265.6166.86.camel@kazak.uk.xensource.com>
On 11/09/14 12:01, Ian Campbell wrote:
> On Thu, 2014-09-11 at 11:37 +0100, Andrew Cooper wrote:
>> On 11/09/14 11:34, Ian Campbell wrote:
>>> On Wed, 2014-09-10 at 18:10 +0100, Andrew Cooper wrote:
>>>> For testing purposes, the environmental variable "XG_MIGRATION_V2" allows the
>>>> two save/restore codepaths to coexist, and have a runtime switch.
>>>>
>>>> It is indended that once this series is less RFC, the v2 framework will
>>>> completely replace v1.
>>> I think we are now at the point where this hack needs to be dropped from
>>> the series.
>> One problem is remus. My plan when dropping this patch was to drop all
>> of xc_domain_{save/restore}.c as well, but without remus migration-v2
>> support available, this will break existing set-ups.
> Hrm, how is that going wrt 4.5 freeze?
I haven’t heard seen anything since v5 of this series (for which I did
some quick bugfixes and released v6).
I don't know, which probably means not good.
>
>> One option might be to have legacy and v2 sitting properly side-by-side
>> in libxc for the transition period.
> How long do you mean? Until 4.6?
Ideally, very early in the 4.6 dev period.
~Andrew
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next prev parent reply other threads:[~2014-09-11 11:04 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-10 17:10 [PATCH v7 0/29] Migration Stream v2 Andrew Cooper
2014-09-10 17:10 ` [PATCH 01/29] tools/libxl: Fix stray blank line from debug logging Andrew Cooper
2014-09-11 10:18 ` Ian Campbell
2014-09-10 17:10 ` [PATCH 02/29] tools/[lib]xl: Correct use of init/dispose for libxl_domain_restore_params Andrew Cooper
2014-09-11 10:19 ` Ian Campbell
2014-09-10 17:10 ` [PATCH 03/29] tools/libxc: Implement writev_exact() in the same style as write_exact() Andrew Cooper
2014-09-11 10:19 ` Ian Campbell
2014-09-11 10:57 ` Ian Campbell
2014-09-11 10:59 ` Andrew Cooper
2014-09-10 17:10 ` [PATCH 04/29] libxc/bitops: Add or() to the available bitmap operations Andrew Cooper
2014-09-11 10:21 ` Ian Campbell
2014-09-10 17:10 ` [PATCH 05/29] libxc/progress: Repurpose the current progress reporting infrastructure Andrew Cooper
2014-09-11 10:32 ` Ian Campbell
2014-09-11 14:03 ` Andrew Cooper
2014-09-11 14:06 ` Ian Campbell
2014-09-10 17:10 ` [PATCH 06/29] docs: libxc migration stream specification Andrew Cooper
2014-09-10 17:10 ` [PATCH 07/29] docs: libxl " Andrew Cooper
2014-09-11 10:45 ` Ian Campbell
2014-09-11 10:56 ` Andrew Cooper
2014-09-11 11:03 ` Ian Campbell
2014-09-11 11:10 ` Andrew Cooper
2014-09-10 17:10 ` [PATCH 08/29] tools/python: Infrastructure relating to migration v2 streams Andrew Cooper
2014-09-10 17:10 ` [PATCH 09/29] [HACK] tools/libxc: save/restore v2 framework Andrew Cooper
2014-09-11 10:34 ` Ian Campbell
2014-09-11 10:37 ` Andrew Cooper
2014-09-11 11:01 ` Ian Campbell
2014-09-11 11:04 ` Andrew Cooper [this message]
2014-09-11 11:10 ` Ian Campbell
2014-09-14 10:23 ` Shriram Rajagopalan
2014-09-15 15:09 ` Andrew Cooper
2014-09-15 18:58 ` Konrad Rzeszutek Wilk
2014-09-16 11:44 ` Andrew Cooper
2014-09-16 19:54 ` Konrad Rzeszutek Wilk
2014-09-10 17:10 ` [PATCH 10/29] tools/libxc: C implementation of stream format Andrew Cooper
2014-09-11 10:48 ` Ian Campbell
2014-09-10 17:10 ` [PATCH 11/29] tools/libxc: noarch common code Andrew Cooper
2014-09-11 10:52 ` Ian Campbell
2014-09-10 17:10 ` [PATCH 12/29] tools/libxc: x86 " Andrew Cooper
2014-09-10 17:10 ` [PATCH 13/29] tools/libxc: x86 PV " Andrew Cooper
2014-09-10 17:10 ` [PATCH 14/29] tools/libxc: x86 PV save code Andrew Cooper
2014-09-10 17:10 ` [PATCH 15/29] tools/libxc: x86 PV restore code Andrew Cooper
2014-09-10 17:10 ` [PATCH 16/29] tools/libxc: x86 HVM save code Andrew Cooper
2014-09-10 17:10 ` [PATCH 17/29] tools/libxc: x86 HVM restore code Andrew Cooper
2014-09-10 17:10 ` [PATCH 18/29] tools/libxc: noarch save code Andrew Cooper
2014-09-10 17:10 ` [PATCH 19/29] tools/libxc: noarch restore code Andrew Cooper
2014-09-10 17:10 ` [PATCH 20/29] tools/libxl: Update datacopier to support sending data only Andrew Cooper
2014-09-11 11:56 ` Ian Campbell
2014-09-11 12:00 ` Andrew Cooper
2014-09-11 12:39 ` Ian Campbell
2014-09-11 13:03 ` Andrew Cooper
2014-09-11 13:04 ` Ian Campbell
2014-09-10 17:10 ` [PATCH 21/29] tools/libxl: Allow adding larger amounts of prefixdata to datacopier Andrew Cooper
2014-09-11 12:01 ` Ian Campbell
2014-09-11 12:17 ` Ross Lagerwall
2014-09-11 12:39 ` Ian Campbell
2014-09-10 17:11 ` [PATCH 22/29] tools/libxl: Allow limiting amount copied by datacopier Andrew Cooper
2014-09-11 12:02 ` Ian Campbell
2014-09-11 12:23 ` Ross Lagerwall
2014-09-11 12:40 ` Ian Campbell
2014-09-12 8:36 ` Wen Congyang
2014-09-19 7:45 ` Ross Lagerwall
2014-09-10 17:11 ` [PATCH 23/29] tools/libxl: Extend datacopier to support reading into a buffer Andrew Cooper
2014-09-11 12:03 ` Ian Campbell
2014-09-11 12:26 ` Ross Lagerwall
2014-09-11 12:41 ` Ian Campbell
2014-09-12 8:49 ` Wen Congyang
2014-09-19 7:48 ` Ross Lagerwall
2014-09-10 17:11 ` [PATCH 24/29] tools/libxl: Allow suppression of POLLHUP for datacopiers Andrew Cooper
2014-09-11 12:05 ` Ian Campbell
2014-09-10 17:11 ` [PATCH 25/29] tools/libxl: Stream v2 format Andrew Cooper
2014-09-11 12:06 ` Ian Campbell
2014-09-10 17:11 ` [PATCH 26/29] tools/libxl: Implement libxl__domain_restore() for v2 streams Andrew Cooper
2014-09-11 12:35 ` Ian Campbell
2014-09-11 13:01 ` Andrew Cooper
2014-09-10 17:11 ` [PATCH 27/29] [VERY RFC] tools/libxl: Support restoring legacy streams Andrew Cooper
2014-09-11 12:36 ` Ian Campbell
2014-09-10 17:11 ` [PATCH 28/29] tools/xl: Restore v2 streams using new interface Andrew Cooper
2014-09-10 17:11 ` [PATCH 29/29] tools/[lib]xl: Alter libxl_domain_suspend() to write a v2 stream Andrew Cooper
2014-09-11 11:50 ` [PATCH v7 0/29] Migration Stream v2 Ian Campbell
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