Merge remote-tracking branch 'iommu/next'

[karo-tx-linux.git] / Documentation / RCU / torture.txt

diff --git a/Documentation/RCU/torture.txt b/Documentation/RCU/torture.txt
index d8a50238739719b49aa0f04077860326cf98cc4d..dac02a6219b1cae3c657512b293b957627cec830 100644 (file)
--- a/Documentation/RCU/torture.txt
+++ b/Documentation/RCU/torture.txt
@@ -42,6 +42,16 @@ fqs_holdoff  Holdoff time (in microseconds) between consecutive calls
 fqs_stutter    Wait time (in seconds) between consecutive bursts
                of calls to force_quiescent_state().
 
+gp_normal      Make the fake writers use normal synchronous grace-period
+               primitives.
+
+gp_exp         Make the fake writers use expedited synchronous grace-period
+               primitives.  If both gp_normal and gp_exp are set, or
+               if neither gp_normal nor gp_exp are set, then randomly
+               choose the primitive so that about 50% are normal and
+               50% expedited.  By default, neither are set, which
+               gives best overall test coverage.
+
 irqreader      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