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migration/ram: Add check and info message to nvdimm post copy.

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The nvdimm kind memory does not support post copy now.
We disable post copy if we have nvdimm memory and print some
log hint to user.

Signed-off-by: Junyan He <junyan.he@intel.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Junyan He 2018-07-18 15:48:02 +08:00 committed by Michael S. Tsirkin
parent faf8a13d80
commit 469dd51bc6
1 changed files with 9 additions and 0 deletions
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9
migration/ram.c
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@ -3906,6 +3906,15 @@ static int ram_load(QEMUFile *f, void *opaque, int version_id)
static bool ram_has_postcopy(void *opaque)
{
RAMBlock *rb;
RAMBLOCK_FOREACH_MIGRATABLE(rb) {
if (ramblock_is_pmem(rb)) {
info_report("Block: %s, host: %p is a nvdimm memory, postcopy"
"is not supported now!", rb->idstr, rb->host);
return false;
}
}
return migrate_postcopy_ram();
}