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2021-07-26migration: Move the yank unregister of channel_close outPeter Xu1-0/+1
It's efficient, but hackish to call yank unregister calls in channel_close(), especially it'll be hard to debug when qemu crashed with some yank function leaked. Remove that hack, but instead explicitly unregister yank functions at the places where needed, they are: (on src) - migrate_fd_cleanup - postcopy_pause (on dst) - migration_incoming_state_destroy - postcopy_pause_incoming Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20210722175841.938739-6-peterx@redhat.com> Reviewed-by: Lukas Straub <lukasstraub2@web.de> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-07-26migration: Introduce migration_ioc_[un]register_yank()Peter Xu1-0/+2
There're plenty of places in migration/* that checks against either socket or tls typed ioc for yank operations. Provide two helpers to hide all these information. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20210722175841.938739-4-peterx@redhat.com> Reviewed-by: Lukas Straub <lukasstraub2@web.de> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2021-04-01yank: Remove dependency on qiochannelLukas Straub1-0/+17
Remove dependency on qiochannel by removing yank_generic_iochannel and letting migration and chardev use their own yank function for iochannel. Signed-off-by: Lukas Straub <lukasstraub2@web.de> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20ff143fc2db23e27cd41d38043e481376c9cec1.1616521341.git.lukasstraub2@web.de>