From: Ian Jackson <Ian.Jackson@eu.citrix.com>
To: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Cc: Lars Kurth <lars.kurth@citrix.com>, Wei Liu <wei.liu2@citrix.com>,
Ian Campbell <ian.campbell@citrix.com>,
Wen Congyang <wency@cn.fujitsu.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Jiang Yunhong <yunhong.jiang@intel.com>,
Dong Eddie <eddie.dong@intel.com>,
xen devel <xen-devel@lists.xen.org>,
Anthony Perard <anthony.perard@citrix.com>,
Gui Jianfeng <guijianfeng@cn.fujitsu.com>,
Shriram Rajagopalan <rshriram@cs.ubc.ca>,
Yang Hongyang <hongyang.yang@easystack.cn>
Subject: Re: [PATCH v11 14/27] secondary vm suspend/resume/checkpoint code
Date: Fri, 4 Mar 2016 17:11:33 +0000 [thread overview]
Message-ID: <22233.49605.789962.95800@mariner.uk.xensource.com> (raw)
In-Reply-To: <1457080891-26054-15-git-send-email-xiecl.fnst@cn.fujitsu.com>
Changlong Xie writes ("[PATCH v11 14/27] secondary vm suspend/resume/checkpoint code"):
> From: Wen Congyang <wency@cn.fujitsu.com>
>
> Secondary vm is running in colo mode. So we will do
> the following things again and again:
I don't propose to review this in detail. Skimreading it, it looks
plausible. I don't think a detailed review is needed.
I will review the changes to the core code.
> diff --git a/tools/libxc/xc_sr_common.h b/tools/libxc/xc_sr_common.h
> index 5d9f497..2bfed64 100644
> --- a/tools/libxc/xc_sr_common.h
> +++ b/tools/libxc/xc_sr_common.h
> @@ -184,10 +184,12 @@ struct xc_sr_context
> * migration stream
> * 0: Plain VM
> * 1: Remus
> + * 2: COLO
> */
> enum {
> MIG_STREAM_NONE, /* plain stream */
> MIG_STREAM_REMUS,
> + MIG_STREAM_COLO,
I think this shows that the duplicated list (in the comment, above the
enum) is a mistake. I would prefer it to be removed.
> +/* ===================== colo: common functions ===================== */
> +static void colo_enable_logdirty(libxl__colo_restore_state *crs, libxl__egc *egc)
Here's another missing blank line. This seems to be a general theme:
can you change this everywhere ? Thanks.
> @@ -994,6 +1011,8 @@ static void domcreate_bootloader_done(libxl__egc *egc,
> const int restore_fd = dcs->restore_fd;
> libxl__domain_build_state *const state = &dcs->build_state;
> const int checkpointed_stream = dcs->restore_params.checkpointed_stream;
> + libxl__colo_restore_state *const crs = &dcs->crs;
> + libxl_domain_build_info *const info = &d_config->b_info;
>
> if (rc) {
> domcreate_rebuild_done(egc, dcs, rc);
> @@ -1022,6 +1041,13 @@ static void domcreate_bootloader_done(libxl__egc *egc,
>
> /* Restore */
>
> + /* COLO only supports HVM now */
> + if (info->type != LIBXL_DOMAIN_TYPE_HVM &&
> + checkpointed_stream == LIBXL_CHECKPOINTED_STREAM_COLO) {
> + rc = ERROR_FAIL;
> + goto out;
Please log something here, or it may be very mysterious.
> diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
> index 6307b71..48b4858 100644
> --- a/tools/libxl/libxl_internal.h
> +++ b/tools/libxl/libxl_internal.h
> @@ -87,6 +87,8 @@
> @@ -3468,7 +3464,6 @@ libxl__stream_read_inuse(const libxl__stream_read_state *stream)
> return stream->running;
> }
>
> -
> struct libxl__domain_create_state {
> /* filled in by user */
> libxl__ao *ao;
> @@ -3484,6 +3479,8 @@ struct libxl__domain_create_state {
Unintentional whitespace change.
Ian.
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next prev parent reply other threads:[~2016-03-04 17:11 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-04 8:41 [PATCH v11 00/27] COarse-grain LOck-stepping Virtual Machines for Non-stop Service Changlong Xie
2016-03-04 8:41 ` [PATCH v11 01/27] tools/libxl: introduction of libxl__qmp_restore to load qemu state Changlong Xie
2016-03-04 16:30 ` Ian Jackson
2016-03-14 9:03 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 02/27] tools/libxl: introduce libxl__domain_common_switch_qemu_logdirty() Changlong Xie
2016-03-04 8:41 ` [PATCH v11 03/27] tools/libxl: Add back channel to allow migration target send data back Changlong Xie
2016-03-04 16:38 ` Ian Jackson
2016-03-08 16:38 ` Wei Liu
2016-03-17 8:07 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 04/27] tools/libxl: Introduce new helper function dup_fd_helper() Changlong Xie
2016-03-04 16:42 ` Ian Jackson
2016-03-17 8:08 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 05/27] tools/libx{l, c}: add back channel to libxc Changlong Xie
2016-03-04 16:45 ` Ian Jackson
2016-03-04 8:41 ` [PATCH v11 06/27] docs: add colo readme Changlong Xie
2016-03-04 8:41 ` [PATCH v11 07/27] docs/libxl: Introduce CHECKPOINT_CONTEXT to support migration v2 colo streams Changlong Xie
2016-03-04 16:51 ` Ian Jackson
2016-03-08 16:38 ` Wei Liu
2016-03-11 7:13 ` Wen Congyang
2016-03-04 8:41 ` [PATCH v11 08/27] libxc/migration: Specification update for DIRTY_PFN_LIST records Changlong Xie
2016-03-04 16:53 ` Ian Jackson
2016-03-17 8:10 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 09/27] libxc/migration: export read_record for common use Changlong Xie
2016-03-04 16:55 ` Ian Jackson
2016-03-04 8:41 ` [PATCH v11 10/27] tools/libxl: add back channel support to write stream Changlong Xie
2016-03-04 17:00 ` Ian Jackson
2016-03-07 2:13 ` Wen Congyang
2016-03-11 9:05 ` Wen Congyang
2016-03-17 8:11 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 11/27] tools/libxl: add back channel support to read stream Changlong Xie
2016-03-04 17:01 ` Ian Jackson
2016-03-04 8:41 ` [PATCH v11 12/27] tools/libx{l, c}: introduce wait_checkpoint callback Changlong Xie
2016-03-04 17:03 ` Ian Jackson
2016-03-04 20:23 ` Konrad Rzeszutek Wilk
2016-03-07 2:16 ` Wen Congyang
2016-03-17 8:16 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 13/27] tools/libx{l, c}: add postcopy/suspend callback to restore side Changlong Xie
2016-03-04 17:05 ` Ian Jackson
2016-03-17 8:17 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 14/27] secondary vm suspend/resume/checkpoint code Changlong Xie
2016-03-04 17:11 ` Ian Jackson [this message]
2016-03-07 2:57 ` Wen Congyang
2016-03-17 9:03 ` Changlong Xie
2016-03-17 12:19 ` Wei Liu
2016-03-04 8:41 ` [PATCH v11 15/27] primary " Changlong Xie
2016-03-04 17:14 ` Ian Jackson
2016-03-07 2:59 ` Wen Congyang
2016-03-04 8:41 ` [PATCH v11 16/27] libxc/restore: support COLO restore Changlong Xie
2016-03-04 17:16 ` Ian Jackson
2016-03-04 8:41 ` [PATCH v11 17/27] libxc/save: support COLO save Changlong Xie
2016-03-04 17:18 ` Ian Jackson
2016-03-07 3:00 ` Wen Congyang
2016-03-04 8:41 ` [PATCH v11 18/27] implement the cmdline for COLO Changlong Xie
2016-03-04 17:22 ` Ian Jackson
2016-03-07 3:04 ` Wen Congyang
2016-03-04 8:41 ` [PATCH v11 19/27] COLO: introduce new API to prepare/start/do/get_error/stop replication Changlong Xie
2016-03-04 17:26 ` Ian Jackson
2016-03-08 16:46 ` Wei Liu
2016-03-18 3:44 ` Changlong Xie
2016-03-18 11:35 ` Wei Liu
2016-03-18 3:45 ` Changlong Xie
2016-03-04 17:29 ` Ian Jackson
2016-03-18 3:49 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 20/27] Support colo mode for qemu disk Changlong Xie
2016-03-04 17:44 ` Ian Jackson
2016-03-07 2:06 ` Wen Congyang
2016-03-17 17:18 ` Ian Jackson
2016-03-18 5:42 ` Wen Congyang
2016-03-04 17:52 ` Ian Jackson
2016-03-04 20:30 ` Konrad Rzeszutek Wilk
2016-03-07 2:10 ` Wen Congyang
2016-03-08 17:22 ` Wei Liu
2016-03-09 2:09 ` Konrad Rzeszutek Wilk
2016-03-09 16:55 ` Wei Liu
2016-03-17 17:09 ` Ian Jackson
2016-03-17 17:10 ` Ian Jackson
2016-03-04 8:41 ` [PATCH v11 21/27] COLO: use qemu block replication Changlong Xie
2016-03-04 8:41 ` [PATCH v11 22/27] COLO proxy: implement setup/teardown of COLO proxy module Changlong Xie
2016-03-04 17:59 ` Ian Jackson
2016-03-18 8:22 ` Changlong Xie
2016-03-22 5:44 ` Changlong Xie
2016-03-22 5:55 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 23/27] COLO proxy: preresume, postresume and checkpoint Changlong Xie
2016-03-04 18:01 ` Ian Jackson
2016-03-18 8:20 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 24/27] COLO nic: implement COLO nic subkind Changlong Xie
2016-03-04 18:02 ` Ian Jackson
2016-03-18 8:20 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 25/27] setup and control colo proxy on primary side Changlong Xie
2016-03-04 18:05 ` Ian Jackson
2016-03-22 6:01 ` Changlong Xie
2016-03-04 8:41 ` [PATCH v11 26/27] setup and control colo proxy on secondary side Changlong Xie
2016-03-04 18:05 ` Ian Jackson
2016-03-04 8:41 ` [PATCH v11 27/27] cmdline switches and config vars to control colo-proxy Changlong Xie
2016-03-04 18:09 ` Ian Jackson
2016-03-22 4:13 ` Changlong Xie
2016-03-04 18:17 ` [PATCH v11 00/27] COarse-grain LOck-stepping Virtual Machines for Non-stop Service Ian Jackson
2016-03-04 20:35 ` Konrad Rzeszutek Wilk
2016-03-17 17:19 ` Ian Jackson
2016-03-17 17:41 ` Ian Jackson
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