add at24 driver

hc

2023-11-06 15ade055295d13f95d49e3d99b09f3bbfb4a43e7

 kernel/kernel/rcu/Kconfig
..
..
@@ -172,7 +172,7 @@
172
172
 
173
173
 config RCU_FAST_NO_HZ
174
174
 	bool "Accelerate last non-dyntick-idle CPU's grace periods"
175
-	depends on NO_HZ_COMMON && SMP && RCU_EXPERT
175
+	depends on NO_HZ_COMMON && SMP && RCU_EXPERT && !PREEMPT_RT_FULL
176
176
 	default n
177
177
 	help
178
178
 	  This option permits CPUs to enter dynticks-idle state even if
..
..
@@ -190,8 +190,8 @@
190
190
 
191
191
 config RCU_BOOST
192
192
 	bool "Enable RCU priority boosting"
193
-	depends on RT_MUTEXES && PREEMPT_RCU && RCU_EXPERT
194
-	default n
193
+	depends on (RT_MUTEXES && PREEMPT_RCU && RCU_EXPERT) || PREEMPT_RT_FULL
194
+	default y if PREEMPT_RT_FULL
195
195
 	help
196
196
 	  This option boosts the priority of preempted RCU readers that
197
197
 	  block the current preemptible RCU grace period for too long.