It's believed that RDMA + postcopy-ram has been broken for a while.
Rather than spending time re-enabling it, let's simply disable it as a
trade-off.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
---
V3:
  - collect Reviewed tag
  - reoder: 6th -> 3th
---
 migration/options.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/migration/options.c b/migration/options.c
index c6f18df5864..527ba05d413 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -449,6 +449,10 @@ bool migrate_rdma_caps_check(bool *caps, Error **errp)
         error_setg(errp, "RDMA and multifd can't be used together");
         return false;
     }
+    if (caps[MIGRATION_CAPABILITY_POSTCOPY_RAM]) {
+        error_setg(errp, "RDMA and postcopy-ram can't be used together");
+        return false;
+    }
 
     return true;
 }
-- 
2.44.0