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[PATCH 3/4] migration/multifd: initialize packet->magic/version once at
From: |
Wei Yang |
Subject: |
[PATCH 3/4] migration/multifd: initialize packet->magic/version once at setup stage |
Date: |
Fri, 11 Oct 2019 16:50:49 +0800 |
MultiFDPacket_t's magic and version field never changes during
migration, so move these two fields in setup stage.
Signed-off-by: Wei Yang <address@hidden>
---
migration/ram.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/migration/ram.c b/migration/ram.c
index 6a3bef0434..71d845b851 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -793,8 +793,6 @@ static void multifd_send_fill_packet(MultiFDSendParams *p)
MultiFDPacket_t *packet = p->packet;
int i;
- packet->magic = cpu_to_be32(MULTIFD_MAGIC);
- packet->version = cpu_to_be32(MULTIFD_VERSION);
packet->flags = cpu_to_be32(p->flags);
packet->pages_alloc = cpu_to_be32(p->pages->allocated);
packet->pages_used = cpu_to_be32(p->pages->used);
@@ -1240,6 +1238,8 @@ int multifd_save_setup(void)
p->packet_len = sizeof(MultiFDPacket_t)
+ sizeof(ram_addr_t) * page_count;
p->packet = g_malloc0(p->packet_len);
+ p->packet->magic = cpu_to_be32(MULTIFD_MAGIC);
+ p->packet->version = cpu_to_be32(MULTIFD_VERSION);
p->name = g_strdup_printf("multifdsend_%d", i);
socket_send_channel_create(multifd_new_send_channel_async, p);
}
--
2.17.1