X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-statedump-impl.c;h=e042a96deaceed9e941f1db06afbf4ea620892a7;hb=67ee762a41793b34750f655737e5fbe7f5be1dc5;hp=c510986f504b0cedd1c857fec8d99c4d01978e22;hpb=b8ec0e19b7c494de10aa3a008d6733ee6d5c6fc7;p=lttng-modules.git

diff --git a/lttng-statedump-impl.c b/lttng-statedump-impl.c
index c510986f..e042a96d 100644
--- a/lttng-statedump-impl.c
+++ b/lttng-statedump-impl.c
@@ -186,6 +186,12 @@ int lttng_enumerate_file_descriptors(struct lttng_session *session)
 	return 0;
 }
 
+#if 0
+/*
+ * FIXME: we cannot take a mmap_sem while in a RCU read-side critical section
+ * (scheduling in atomic). Normally, the tasklist lock protects this kind of
+ * iteration, but it is not exported to modules.
+ */
 static
 void lttng_enumerate_task_vm_maps(struct lttng_session *session,
 		struct task_struct *p)
@@ -226,6 +232,7 @@ int lttng_enumerate_vm_maps(struct lttng_session *session)
 	rcu_read_unlock();
 	return 0;
 }
+#endif
 
 #ifdef CONFIG_GENERIC_HARDIRQS
 
@@ -341,7 +348,7 @@ int do_lttng_statedump(struct lttng_session *session)
 	trace_lttng_statedump_start(session);
 	lttng_enumerate_process_states(session);
 	lttng_enumerate_file_descriptors(session);
-	lttng_enumerate_vm_maps(session);
+	/* FIXME lttng_enumerate_vm_maps(session); */
 	lttng_list_interrupts(session);
 	lttng_enumerate_network_ip_interface(session);