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Commit Graph
7 Commits
Author SHA1 Message Date
Wei Liu c6e2216783 libxl/colo: unified exit path for colo_proxy_checkpoint 
Slightly refactor the code to have only one exit path for the said
function.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
 2017-03-16 18:25:16 +00:00
Zhang Chen 03a5db86f7 COLO-Proxy: Use socket to get checkpoint event. 
We use kernel colo proxy's way to get the checkpoint event
from qemu colo-compare.
Qemu colo-compare need add a API to support this(I will add this in qemu).
Qemu side patch:
 https://lists.nongnu.org/archive/html/qemu-devel/2017-02/msg07265.html

Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
 2017-03-14 11:36:52 +00:00
Zhang Chen 410cc81cfc COLO-Proxy: Setup userspace colo-proxy on primary side 
In this patch we close kernel COLO-Proxy on primary side.

Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
 2017-03-14 11:36:39 +00:00
Cedric Bosdonnat e712ea8873 libxl/libxl_colo_proxy.c: used LOG*D functions 
Use LOG*D logging functions where possible instead of the LOG* ones.

Signed-off-by: Cédric Bosdonnat <cbosdonnat@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
 2016-12-03 15:57:33 +00:00
Wei Liu 5cf46a6688 libxl: colo: make it depend on availability of libnl 
Netlink is required when initialising COLO, so make sure only to compile
COLO only when netlink is available. Change the inclusion of
linux/netlink.h to netlink/netlink.h so that it doesn't use Linux kernel
header directly.

Provide necessary stub functions in case COLO is disabled. This should
fix build on FreeBSD because there is no netlink there. It would also
make libxl build properly when netlink is not present on a Linux
system.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
 2016-04-06 15:10:10 +01:00
Wei Liu 16e92eb577 libxl: colo: move netlink related stuff to libxl_colo_proxy.c 
They are only used there, no need to expose them to other parts of
libxl.

This is necessary to make libxl build on FreeBSD again because FreeBSD
doesn't have netlink.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
 2016-04-06 15:10:10 +01:00
Wen Congyang 2fdd9dfbb4 COLO proxy: implement setup/teardown/preresume/postresume/checkpoint 
setup/teardown/preresume/postresume/checkpoint of COLO proxy module.
we use netlink to communicate with proxy module.
About colo-proxy module:
http://www.spinics.net/lists/netdev/msg333520.html
https://github.com/wencongyang/colo-proxy
How to use:
http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping

Signed-off-by: Yang Hongyang <hongyang.yang@easystack.cn>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
 2016-04-01 14:33:16 +01:00