From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org,
pbonzini@redhat.com, armbru@redhat.com, eblake@redhat.com,
famz@redhat.com, stefanha@redhat.com, amit.shah@redhat.com,
quintela@redhat.com, mreitz@redhat.com, kwolf@redhat.com,
peter.maydell@linaro.org, den@openvz.org, jsnow@redhat.com,
lirans@il.ibm.com
Subject: Re: [Qemu-devel] [PATCH 02/18] migration: fix ram_save_pending
Date: Wed, 17 Aug 2016 13:12:35 +0100 [thread overview]
Message-ID: <20160817121235.GB2018@work-vm> (raw)
In-Reply-To: <1471343175-14945-3-git-send-email-vsementsov@virtuozzo.com>
* Vladimir Sementsov-Ogievskiy (vsementsov@virtuozzo.com) wrote:
> Fill postcopy-able pending only if ram postcopy is enabled.
> It is necessary because of there will be other postcopy-able states and
> when ram postcopy is disabled, it should not spoil common postcopy
> related pending.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
> migration/ram.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/migration/ram.c b/migration/ram.c
> index fa5c72b..424ce0b 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -2079,8 +2079,12 @@ static void ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size,
> remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE;
> }
>
> - /* We can do postcopy, and all the data is postcopiable */
> - *postcopiable_pending += remaining_size;
> + if (migrate_postcopy_ram()) {
> + /* We can do postcopy, and all the data is postcopiable */
> + *postcopiable_pending += remaining_size;
> + } else {
> + *non_postcopiable_pending += remaining_size;
> + }
> }
>
> static int load_xbzrle(QEMUFile *f, ram_addr_t addr, void *host)
> --
> 1.8.3.1
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2016-08-17 12:12 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-16 10:25 [Qemu-devel] [PATCH 00/18] Dirty bitmaps postcopy migration Vladimir Sementsov-Ogievskiy
2016-08-16 10:25 ` [Qemu-devel] [PATCH 01/18] migration: add has_postcopy savevm handler Vladimir Sementsov-Ogievskiy
2016-11-04 12:32 ` Juan Quintela
2016-08-16 10:25 ` [Qemu-devel] [PATCH 02/18] migration: fix ram_save_pending Vladimir Sementsov-Ogievskiy
2016-08-17 12:12 ` Dr. David Alan Gilbert [this message]
2016-11-04 12:32 ` Juan Quintela
2016-08-16 10:26 ` [Qemu-devel] [PATCH 03/18] migration: split common postcopy out of ram postcopy Vladimir Sementsov-Ogievskiy
2016-11-04 12:49 ` Juan Quintela
2016-08-16 10:26 ` [Qemu-devel] [PATCH 04/18] migration: introduce postcopy-only pending Vladimir Sementsov-Ogievskiy
2016-11-04 12:46 ` Juan Quintela
2016-11-21 11:05 ` Vladimir Sementsov-Ogievskiy
2016-08-16 10:26 ` [Qemu-devel] [PATCH 05/18] block: add bdrv_next_dirty_bitmap() Vladimir Sementsov-Ogievskiy
2016-08-16 10:26 ` [Qemu-devel] [PATCH 06/18] block: add bdrv_dirty_bitmap_enable_successor() Vladimir Sementsov-Ogievskiy
2016-08-16 10:26 ` [Qemu-devel] [PATCH 07/18] qapi: add dirty-bitmaps migration capability Vladimir Sementsov-Ogievskiy
2016-08-17 9:06 ` Fam Zheng
2016-08-16 10:26 ` [Qemu-devel] [PATCH 08/18] block/dirty-bitmap: add bdrv_dirty_bitmap_release_successor Vladimir Sementsov-Ogievskiy
2016-08-16 10:26 ` [Qemu-devel] [PATCH 09/18] migration: include migrate_dirty_bitmaps in migrate_postcopy Vladimir Sementsov-Ogievskiy
2016-08-16 10:26 ` [Qemu-devel] [PATCH 10/18] migration/qemu-file: add qemu_put_counted_string() Vladimir Sementsov-Ogievskiy
2016-08-17 9:09 ` Fam Zheng
2016-11-21 5:23 ` Vladimir Sementsov-Ogievskiy
2016-08-16 10:26 ` [Qemu-devel] [PATCH 11/18] migration: add is_active_iterate handler Vladimir Sementsov-Ogievskiy
2016-08-16 10:26 ` [Qemu-devel] [PATCH 12/18] migration: add postcopy migration of dirty bitmaps Vladimir Sementsov-Ogievskiy
2016-11-04 13:09 ` Juan Quintela
2016-11-21 6:35 ` Vladimir Sementsov-Ogievskiy
2016-08-16 10:26 ` [Qemu-devel] [PATCH 13/18] iotests: maintain several vms in test Vladimir Sementsov-Ogievskiy
2016-08-16 10:26 ` [Qemu-devel] [PATCH 14/18] iotests: add add_incoming_migration to VM class Vladimir Sementsov-Ogievskiy
2016-08-16 10:26 ` [Qemu-devel] [PATCH 15/18] qapi: add md5 checksum of last dirty bitmap level to query-block Vladimir Sementsov-Ogievskiy
2016-08-16 10:37 ` Daniel P. Berrange
2016-08-16 10:42 ` Daniel P. Berrange
2016-08-16 10:26 ` [Qemu-devel] [PATCH 16/18] iotests: add default node-name Vladimir Sementsov-Ogievskiy
2016-08-17 9:19 ` Fam Zheng
2016-08-16 10:26 ` [Qemu-devel] [PATCH 17/18] iotests: add dirty bitmap migration test 169 Vladimir Sementsov-Ogievskiy
2016-08-17 11:35 ` Fam Zheng
2016-08-16 10:26 ` [Qemu-devel] [PATCH 18/18] iotests: add dirty bitmap postcopy test Vladimir Sementsov-Ogievskiy
2016-08-17 11:47 ` [Qemu-devel] [PATCH 00/18] Dirty bitmaps postcopy migration Fam Zheng
2016-08-17 12:15 ` Vladimir Sementsov-Ogievskiy
2016-08-20 11:21 ` Fam Zheng
2016-08-17 12:35 ` Dr. David Alan Gilbert
2016-08-17 13:54 ` Vladimir Sementsov-Ogievskiy
2016-09-30 11:00 ` Vladimir Sementsov-Ogievskiy
2016-10-12 11:32 ` Vladimir Sementsov-Ogievskiy
2016-10-25 13:04 ` [Qemu-devel] ping " Vladimir Sementsov-Ogievskiy
2016-11-02 11:13 ` Stefan Hajnoczi
2016-11-02 12:05 ` Denis V. Lunev
2016-11-04 13:12 ` Juan Quintela
2016-11-04 13:27 ` Denis V. Lunev
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