hc
2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f
kernel/Documentation/admin-guide/kernel-parameters.txt
....@@ -4241,10 +4241,6 @@
42414241 value, meaning that RCU_SOFTIRQ is used by default.
42424242 Specify rcutree.use_softirq=0 to use rcuc kthreads.
42434243
4244
- But note that CONFIG_PREEMPT_RT=y kernels disable
4245
- this kernel boot parameter, forcibly setting it
4246
- to zero.
4247
-
42484244 rcutree.rcu_fanout_exact= [KNL]
42494245 Disable autobalancing of the rcu_node combining
42504246 tree. This is used by rcutorture, and might
....@@ -4622,13 +4618,6 @@
46224618 rcu_end_inkernel_boot() has been invoked), use
46234619 only normal grace-period primitives. No effect
46244620 on CONFIG_TINY_RCU kernels.
4625
-
4626
- But note that CONFIG_PREEMPT_RT=y kernels enables
4627
- this kernel boot parameter, forcibly setting
4628
- it to the value one, that is, converting any
4629
- post-boot attempt at an expedited RCU grace
4630
- period to instead use normal non-expedited
4631
- grace-period processing.
46324621
46334622 rcupdate.rcu_task_ipi_delay= [KNL]
46344623 Set time in jiffies during which RCU tasks will