Update the documentation for the `preempt=' parameter which now also
accepts `lazy'.
Fixes: 7c70cb94d29cd ("sched: Add Lazy preemption model")
Reported-by: Shrikanth Hegde <sshegde@xxxxxxxxxxxxx>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
---
Documentation/admin-guide/kernel-parameters.txt | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 9cd9cd06538bf..23d9bd5ea7e47 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4818,6 +4818,11 @@
can be preempted anytime. Tasks will also yield
contended spinlocks (if the critical section isn't
explicitly preempt disabled beyond the lock itself).
+ lazy - Scheduler controlled. Similar to full but instead
+ of preempting the task immediately, the task gets
+ one HZ tick time to yield itself before the
+ preemption will be forced. One preemption is when the
+ task returns to user space.
print-fatal-signals=
[KNL] debug: print fatal signals