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migration: disable RDMA WRITE after postcopy started

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RDMA WRITE operations are performed with no notification to the destination
qemu, then the destination qemu can not wakeup. This patch disable RDMA WRITE
after postcopy started.

Signed-off-by: Lidong Chen <lidongchen@tencent.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Lidong Chen 2018-08-06 21:29:27 +08:00 • committed by Juan Quintela
parent 4cbc9c7ffd
commit ccb7e1b5a6
2 changed files with 18 additions and 2 deletions
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8
migration/qemu-file.c
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@ -253,8 +253,12 @@ size_t ram_control_save_page(QEMUFile *f, ram_addr_t block_offset,
if (f->hooks && f->hooks->save_page) {
int ret = f->hooks->save_page(f, f->opaque, block_offset,
offset, size, bytes_sent);
f->bytes_xfer += size;
if (ret != RAM_SAVE_CONTROL_DELAYED) {
if (ret != RAM_SAVE_CONTROL_NOT_SUPP) {
f->bytes_xfer += size;
}
if (ret != RAM_SAVE_CONTROL_DELAYED &&
ret != RAM_SAVE_CONTROL_NOT_SUPP) {
if (bytes_sent && *bytes_sent > 0) {
qemu_update_position(f, *bytes_sent);
} else if (ret < 0) {