commit ab28bd23125fb4a0411c3a3f01c4edacbc261486
author Paolo Bonzini <pbonzini@redhat.com> Thu Jul 09 08:55:38 2015 +0200
committer Paolo Bonzini <pbonzini@redhat.com> Fri Jul 24 13:57:45 2015 +0200
tree 50cf40b9f83a43d2a7b6dee4a801e6c31fc409ee
parent c170aad8b057223b1139d72e5ce7acceafab4fa9

rcu: actually register threads that have RCU read-side critical sections

Otherwise, grace periods are detected too early!

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

tests/test-rcu-list.c

diff --git a/tests/test-rcu-list.c b/tests/test-rcu-list.c
index 4c5f62e..daa8bf4 100644
--- a/tests/test-rcu-list.c
+++ b/tests/test-rcu-list.c
@@ -108,6 +108,8 @@
     long long n_reads_local = 0;
     struct list_element *el;
 
+    rcu_register_thread();
+
     *(struct rcu_reader_data **)arg = &rcu_reader;
     atomic_inc(&nthreadsrunning);
     while (goflag == GOFLAG_INIT) {
@@ -129,6 +131,8 @@
     qemu_mutex_lock(&counts_mutex);
     n_reads += n_reads_local;
     qemu_mutex_unlock(&counts_mutex);
+
+    rcu_unregister_thread();
     return NULL;
 }