1 files changed, 14 insertions, 9 deletions

diff --git a/Documentation/RCU/torture.txt b/Documentation/RCU/torture.txt
index 516527d4bc55..a342b6e1cc10 100644
--- a/Documentation/RCU/torture.txt
+++ b/Documentation/RCU/torture.txt
@@ -30,10 +30,10 @@ MODULE PARAMETERS
 
 This module has the following parameters:
 
-nreaders        This is the number of RCU reading threads supported.
-                The default is twice the number of CPUs.  Why twice?
-                To properly exercise RCU implementations with preemptible
-                read-side critical sections.
+irqreaders      Says to invoke RCU readers from irq level.  This is currently
+                done via timers.  Defaults to "1" for variants of RCU that
+                permit this.  (Or, more accurately, variants of RCU that do
+                -not- permit this know to ignore this variable.)
 
 nfakewriters    This is the number of RCU fake writer threads to run.  Fake
                 writer threads repeatedly use the synchronous "wait for
@@ -44,6 +44,16 @@ nfakewriters	This is the number of RCU fake writer threads to run.  Fake
                 to trigger special cases caused by multiple writers, such as
                 the synchronize_srcu() early return optimization.
 
+nreaders        This is the number of RCU reading threads supported.
+                The default is twice the number of CPUs.  Why twice?
+                To properly exercise RCU implementations with preemptible
+                read-side critical sections.
+
+shuffle_interval
+                The number of seconds to keep the test threads affinitied
+                to a particular subset of the CPUs, defaults to 3 seconds.
+                Used in conjunction with test_no_idle_hz.
+
 stat_interval   The number of seconds between output of torture
                 statistics (via printk()).  Regardless of the interval,
                 statistics are printed when the module is unloaded.
@@ -51,11 +61,6 @@ stat_interval	The number of seconds between output of torture
                 be printed -only- when the module is unloaded, and this
                 is the default.
 
-shuffle_interval
-                The number of seconds to keep the test threads affinitied
-                to a particular subset of the CPUs, defaults to 3 seconds.
-                Used in conjunction with test_no_idle_hz.
-
 stutter         The length of time to run the test before pausing for this
                 same period of time.  Defaults to "stutter=5", so as
                 to run and pause for (roughly) five-second intervals.