X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=README;h=883b808a3bed372f1dd2597e3e983b9f6c73eae2;hb=24c9669da03d2558d80f4c990539765e887ae010;hp=e1ce893737acd0d4d79260462f6383ff45a05c42;hpb=ec8e44cf2ba50dcb421af40b67e74650bb5057f6;p=userspace-rcu.git

diff --git a/README b/README
index e1ce893..883b808 100644
--- a/README
+++ b/README
@@ -16,7 +16,7 @@ BUILDING
 		* CFLAGS="-m64 -g -O2" ./configure
 
 		Forcing a 32-bit build with 386 backward compatibility:
-		* CFLAGS="-m32 -g -O2" ./configure --target=i386-pc-linux-gnu
+		* CFLAGS="-m32 -g -O2" ./configure --host=i386-pc-linux-gnu
 
 ARCHITECTURES SUPPORTED
 -----------------------
@@ -99,7 +99,8 @@ Writing
 Usage of liburcu-defer
 
 	* #include <urcu-defer.h>
-	* Link with "-lurcu-defer"
+	* Link with "-lurcu-defer", and also with one of the urcu library
+	  (either urcu, urcu-bp, urcu-mb or urcu-qsbr).
 	* Provides defer_rcu() primitive to enqueue delayed callbacks. Queued
 	  callbacks are executed in batch periodically after a grace period.
 	  Do _not_ use defer_rcu() within a read-side critical section, because
@@ -107,6 +108,11 @@ Usage of liburcu-defer
 	* Provides defer_rcu_ratelimit() primitive, which acts just like
 	  defer_rcu(), but takes an additional rate limiter callback forcing
 	  synchronized callback execution of the limiter returns non-zero.
+	* Requires that rcu_defer_barrier() must be called in library destructor
+	  if a library queues callbacks and is expected to be unloaded with
+	  dlclose().
+	* Its API is currently experimental. It may change in future library
+	  releases.
 
 Being careful with signals