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migration/multifd: Add incoming QIOChannelFile support

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On the receiving side we don't need to differentiate between main
channel and threads, so whichever channel is defined first gets to be
the main one. And since there are no packets, use the atomic channel
count to index into the params array.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240229153017.2221-19-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Fabiano Rosas 2024-02-29 12:30:12 -03:00 • committed by Peter Xu
parent b7b03eb614
commit 2dd7ee7a51
3 changed files with 30 additions and 11 deletions
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3
migration/migration.c
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@ -910,7 +910,8 @@ void migration_ioc_process_incoming(QIOChannel *ioc, Error **errp)
uint32_t channel_magic = 0;
int ret = 0;
if (migrate_multifd() && !migrate_postcopy_ram() &&
if (migrate_multifd() && !migrate_mapped_ram() &&
!migrate_postcopy_ram() &&
qio_channel_has_feature(ioc, QIO_CHANNEL_FEATURE_READ_MSG_PEEK)) {
/*
* With multiple channels, it is possible that we receive channels