From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: zhanghailiang <zhang.zhanghailiang@huawei.com>
Cc: danielcho@qnap.com, qemu-devel@nongnu.org, quintela@redhat.com
Subject: Re: [PATCH V2 6/8] migration: recognize COLO as part of activating process
Date: Thu, 12 Mar 2020 19:42:49 +0000 [thread overview]
Message-ID: <20200312194249.GO3211@work-vm> (raw)
In-Reply-To: <20200224065414.36524-7-zhang.zhanghailiang@huawei.com>
* zhanghailiang (zhang.zhanghailiang@huawei.com) wrote:
> We will migrate parts of dirty pages backgroud lively during the gap time
> of two checkpoints, without this modification, it will not work
> because ram_save_iterate() will check it before send RAM_SAVE_FLAG_EOS
> at the end of it.
>
> Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
and queued.
> ---
> migration/migration.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/migration/migration.c b/migration/migration.c
> index e8c62c6e2e..f71c337600 100644
> --- a/migration/migration.c
> +++ b/migration/migration.c
> @@ -840,6 +840,7 @@ bool migration_is_setup_or_active(int state)
> case MIGRATION_STATUS_PRE_SWITCHOVER:
> case MIGRATION_STATUS_DEVICE:
> case MIGRATION_STATUS_WAIT_UNPLUG:
> + case MIGRATION_STATUS_COLO:
> return true;
>
> default:
> --
> 2.21.0
>
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2020-03-12 19:56 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-24 6:54 [PATCH V2 0/8] Optimize VM's downtime while do checkpoint in COLO zhanghailiang
2020-02-24 6:54 ` [PATCH V2 1/8] migration: fix COLO broken caused by a previous commit zhanghailiang
2020-02-27 18:36 ` Juan Quintela
2020-02-24 6:54 ` [PATCH V2 2/8] migration/colo: wrap incoming checkpoint process into new helper zhanghailiang
2020-02-24 6:54 ` [PATCH V2 3/8] savevm: Don't call colo_init_ram_cache twice zhanghailiang
2020-02-27 18:37 ` Juan Quintela
2020-02-24 6:54 ` [PATCH V2 4/8] COLO: Optimize memory back-up process zhanghailiang
2020-02-25 2:52 ` Daniel Cho
2020-02-25 3:56 ` Zhanghailiang
2020-03-12 18:44 ` Dr. David Alan Gilbert
2020-02-24 6:54 ` [PATCH V2 5/8] ram/colo: only record bitmap of dirty pages in COLO stage zhanghailiang
2020-03-12 18:55 ` Dr. David Alan Gilbert
2020-02-24 6:54 ` [PATCH V2 6/8] migration: recognize COLO as part of activating process zhanghailiang
2020-03-12 19:42 ` Dr. David Alan Gilbert [this message]
2020-02-24 6:54 ` [PATCH V2 7/8] COLO: Migrate dirty pages during the gap of checkpointing zhanghailiang
2020-02-24 15:18 ` Eric Blake
2020-02-25 1:07 ` Zhanghailiang
2020-03-12 19:50 ` Dr. David Alan Gilbert
2020-02-24 6:54 ` [PATCH V2 8/8] migration/colo: Only flush ram cache while do checkpoint zhanghailiang
2020-03-12 19:51 ` Dr. David Alan Gilbert
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