doc: Remove kernel-parameters.txt entry for rcutorture.read_exit

There is only ever the one read-exit task, and there is no module
parameter named rcutorture.read_exit, so remove the bogus documentation.
Instead, use rcutorture.read_exit_burst to enable/disable read-exit
race testing.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: <bpf@vger.kernel.org>
Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 1518343bbe2237f1d577df5656339d6224b769be..7edc5a5ba9c985bb2736dc33a84a3ff8a5a169b7 100644 (file)
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -5412,11 +5412,6 @@
                        Set time (jiffies) between CPU-hotplug operations,
                        or zero to disable CPU-hotplug testing.
 
-       rcutorture.read_exit= [KNL]
-                       Set the number of read-then-exit kthreads used
-                       to test the interaction of RCU updaters and
-                       task-exit processing.
-
        rcutorture.read_exit_burst= [KNL]
                        The number of times in a given read-then-exit
                        episode that a set of read-then-exit kthreads