commit 00fa4fc85b00f1a8a810068d158a7a66e88658eb
author Dr. David Alan Gilbert <dgilbert@redhat.com> Mon Mar 12 17:21:04 2018 +0000
committer Michael S. Tsirkin <mst@redhat.com> Tue Mar 20 05:03:28 2018 +0200
tree c9b0fb8b4a92b19ca17e5167077dcadf6ba0a173
parent 2a84ffc0be7e54f2f4b76cb3ebfdde0b37bba9f0

postcopy: Allow registering of fd handler

Allow other userfaultfd's to be registered into the fault thread
so that handlers for shared memory can get responses.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

migration/migration.h

diff --git a/migration/migration.h b/migration/migration.h
index 08c5d2d..d02a759 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -51,6 +51,8 @@
     QemuMutex rp_mutex;    /* We send replies from multiple threads */
     void     *postcopy_tmp_page;
     void     *postcopy_tmp_zero_page;
+    /* PostCopyFD's for external userfaultfds & handlers of shared memory */
+    GArray   *postcopy_remote_fds;
 
     QEMUBH *bh;