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migration/multifd: initialize packet->magic/version once at setup stage
MultiFDPacket_t's magic and version field never changes during migration, so move these two fields in setup stage. Signed-off-by: Wei Yang <richardw.yang@linux.intel.com> Message-Id: <20191011085050.17622-4-richardw.yang@linux.intel.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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@ -793,8 +793,6 @@ static void multifd_send_fill_packet(MultiFDSendParams *p)
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MultiFDPacket_t *packet = p->packet;
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int i;
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packet->magic = cpu_to_be32(MULTIFD_MAGIC);
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packet->version = cpu_to_be32(MULTIFD_VERSION);
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packet->flags = cpu_to_be32(p->flags);
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packet->pages_alloc = cpu_to_be32(p->pages->allocated);
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packet->pages_used = cpu_to_be32(p->pages->used);
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@ -1240,6 +1238,8 @@ int multifd_save_setup(void)
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p->packet_len = sizeof(MultiFDPacket_t)
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+ sizeof(ram_addr_t) * page_count;
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p->packet = g_malloc0(p->packet_len);
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p->packet->magic = cpu_to_be32(MULTIFD_MAGIC);
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p->packet->version = cpu_to_be32(MULTIFD_VERSION);
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p->name = g_strdup_printf("multifdsend_%d", i);
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socket_send_channel_create(multifd_new_send_channel_async, p);
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}
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