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sched/core: Update kernel boot parameters for LAZY preempt.

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Update the documentation for the `preempt=' parameter which now also
accepts `lazy'.

Fixes: 7c70cb94d2 ("sched: Add Lazy preemption model")
Reported-by: Shrikanth Hegde <sshegde@linux.ibm.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Shrikanth Hegde <sshegde@linux.ibm.com>
Link: https://lore.kernel.org/r/20241122173557.MYOtT95Q@linutronix.de
This commit is contained in:
Sebastian Andrzej Siewior 2024-11-22 18:35:57 +01:00 committed by Peter Zijlstra
parent e932c4ab38
commit f66e4a9965
1 changed files with 5 additions and 0 deletions
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5
Documentation/admin-guide/kernel-parameters.txt
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@ -4822,6 +4822,11 @@
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