From: Lei Li <lilei@linux.vnet.ibm.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: aarcange@redhat.com, aliguori@us.ibm.com, quintela@redhat.com,
mdroth@linux.vnet.ibm.com, mrhines@linux.vnet.ibm.com,
qemu-devel@nongnu.org, lagarcia@br.ibm.com,
rcj@linux.vnet.ibm.com
Subject: Re: [Qemu-devel] [PATCH 02/17] QAPI: introduce magration capability unix_page_flipping
Date: Fri, 25 Oct 2013 12:11:05 +0800 [thread overview]
Message-ID: <5269EF59.1080801@linux.vnet.ibm.com> (raw)
In-Reply-To: <52692636.3080200@redhat.com>
On 10/24/2013 09:52 PM, Paolo Bonzini wrote:
> Il 22/10/2013 04:25, Lei Li ha scritto:
>> +# @unix-page-flipping: If enabled, QEMU will support localhost migration. This
>> +# feature allows live upgrade of a running QEMU instance by doing localhost
>> +# migration with page flipping. It requires the source and destination
>> +# are both on localhost. Disabled by default. (since 1.7)
>> +#
> If enabled, QEMU can optimize migration when the destination is a QEMU
> process that runs on the same host as the source (as is the case for
> live upgrade). If the migration transport is a Unix socket, QEMU will
> flip RAM pages directly to the destination, so that memory is only
> allocated twice for the source and destination processes. Disabled by
> default. (since 1.8)
I will update with this in next version, thanks.
> Paolo
>
--
Lei
next prev parent reply other threads:[~2013-10-25 4:11 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-22 3:25 [Qemu-devel] [PATCH 0/17 v2] Localhost migration with side channel for ram Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 01/17] rename is_active to is_block_active Lei Li
2013-10-24 13:46 ` Paolo Bonzini
2013-10-25 4:10 ` Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 02/17] QAPI: introduce magration capability unix_page_flipping Lei Li
2013-10-24 13:52 ` Paolo Bonzini
2013-10-25 4:11 ` Lei Li [this message]
2013-10-22 3:25 ` [Qemu-devel] [PATCH 03/17] migration: add migrate_unix_page_flipping() Lei Li
2013-10-24 13:54 ` Paolo Bonzini
2013-10-22 3:25 ` [Qemu-devel] [PATCH 04/17] qmp-command.hx: add missing docs for migration capabilites Lei Li
2013-10-24 13:57 ` Paolo Bonzini
2013-10-25 4:11 ` Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 05/17] migration-local: add QEMUFileLocal with socket based QEMUFile Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 06/17] migration-local: introduce qemu_fopen_socket_local() Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 07/17] migration-local: add send_pipefd() Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 08/17] migration-local: add recv_pipefd() Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 09/17] migration-local: override before_ram_iterate to send pipefd Lei Li
2013-10-24 14:07 ` Paolo Bonzini
2013-10-25 4:16 ` Lei Li
2013-10-25 4:38 ` Lei Li
2013-10-25 7:23 ` Paolo Bonzini
2013-10-25 12:15 ` Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 10/17] migration-local: override save_page for page transmit Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 11/17] savevm: adjust ram_control_save_page for page flipping Lei Li
2013-10-24 14:09 ` Paolo Bonzini
2013-10-22 3:25 ` [Qemu-devel] [PATCH 12/17] migration-local: override hook_ram_load Lei Li
2013-10-24 14:06 ` Paolo Bonzini
2013-10-22 3:25 ` [Qemu-devel] [PATCH 13/17] migration-unix: replace qemu_fopen_socket with qemu_fopen_socket_local Lei Li
2013-10-24 14:10 ` Paolo Bonzini
2013-10-25 4:18 ` Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 14/17] add new RanState RAN_STATE_FLIPPING_MIGRATE Lei Li
2013-10-22 3:51 ` Eric Blake
2013-10-22 6:28 ` Lei Li
2013-10-22 8:10 ` Eric Blake
2013-10-24 14:11 ` Paolo Bonzini
2013-10-24 14:16 ` Paolo Bonzini
2013-10-24 14:13 ` Paolo Bonzini
2013-10-25 4:30 ` Lei Li
2013-10-25 7:31 ` Paolo Bonzini
2013-10-25 12:16 ` Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 15/17] migration-unix: page flipping support on unix outgoing Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 16/17] migration: adjust migration_thread() process for page flipping Lei Li
2013-10-24 14:15 ` Paolo Bonzini
2013-10-25 4:33 ` Lei Li
2013-10-22 3:25 ` [Qemu-devel] [PATCH 17/17] hmp: better format for info migrate_capabilities Lei Li
2013-10-24 14:17 ` Paolo Bonzini
2013-10-24 14:17 ` [Qemu-devel] [PATCH 0/17 v2] Localhost migration with side channel for ram Paolo Bonzini
2013-10-25 5:58 ` Lei Li
2013-10-25 7:30 ` Paolo Bonzini
2013-10-25 9:12 ` Anthony Liguori
2013-10-25 12:24 ` Lei Li
2013-11-21 8:45 ` Lei Li
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