X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=README;h=58ce031db89131862b05fb21b7004c883e433900;hb=c5b9f8ff1e4debcc0787cda8ef13891c69d3a729;hp=7cc8871398b4c0a8b255bf8ddabfcbb7a40ed846;hpb=c0a68bfa57908ee51e391f1a5676915b503bfb07;p=userspace-rcu.git

diff --git a/README b/README
index 7cc8871..58ce031 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
 -----------------------
@@ -100,10 +100,18 @@ Usage of liburcu-defer
 
 	* #include <urcu-defer.h>
 	* Link with "-lurcu-defer"
-	* Provides call_rcu() primitive to enqueue delayed callbacks. Queued
+	* Provides defer_rcu() primitive to enqueue delayed callbacks. Queued
 	  callbacks are executed in batch periodically after a grace period.
-	  Do _not_ use call_rcu() within a read-side critical section, because
+	  Do _not_ use defer_rcu() within a read-side critical section, because
 	  it may call synchronize_rcu() if the thread queue is full.
+	* 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