On 12/14/2016 09:00 AM, Stefano Stabellini wrote:
On Fri, 9 Dec 2016, Zhang Chen wrote:
Xen doesn't need this.
Could you please elaborate a bit more on what is the problem exactly,
and why we don't have any issues with migration with Xen today (COLO
use-case aside)?
I test COLO without this patch, it seems run normally.
And I review the codes not find why we need this too.
So, I cc the original author wency about this.
CC. wency.
Thanks
Zhang Chen
Signed-off-by: Zhang Chen <zhangchen.f...@cn.fujitsu.com>
---
migration/savevm.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/migration/savevm.c b/migration/savevm.c
index 0363372..bec6c7e 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -1973,6 +1973,10 @@ int qemu_loadvm_state(QEMUFile *f)
ret = qemu_file_get_error(f);
}
+ if (xen_enabled()) {
+ return ret;
+ }
+
/*
* Try to read in the VMDESC section as well, so that dumping tools that
* intercept our migration stream have the chance to see it.
--
2.7.4
.
--
Thanks
Zhang Chen