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[PULL,5/8] migration: disable RDMA + postcopy-ram

Message ID 20250307181551.19887-6-farosas@suse.de (mailing list archive)
State New
Headers show
Series [PULL,1/8] migration: Fix UAF for incoming migration on MigrationState | expand

Commit Message

Fabiano Rosas March 7, 2025, 6:15 p.m. UTC 
From: Li Zhijian <lizhijian@fujitsu.com>

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>
Message-ID: <20250305062825.772629-4-lizhijian@fujitsu.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
---
 migration/options.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/migration/options.c b/migration/options.c
index 1f3602839d..4ba8fcb7dc 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -458,6 +458,10 @@  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;
 }