add ip1811 driver

hc

2023-11-22 9ca5fbcb63a8dcaee0527f96afb91dc4b4bd8fa9

 kernel/arch/x86/Kconfig
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@@ -182,6 +182,7 @@
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 	select HAVE_HARDLOCKUP_DETECTOR_PERF	if PERF_EVENTS && HAVE_PERF_EVENTS_NMI
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 	select HAVE_PERF_REGS
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 	select HAVE_PERF_USER_STACK_DUMP
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+	select HAVE_PREEMPT_LAZY
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 	select HAVE_RCU_TABLE_FREE		if PARAVIRT
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 	select HAVE_RCU_TABLE_INVALIDATE	if HAVE_RCU_TABLE_FREE
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 	select HAVE_REGS_AND_STACK_ACCESS_API
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@@ -267,8 +268,11 @@
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 	def_bool y
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 	depends on ISA_DMA_API
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+config RWSEM_GENERIC_SPINLOCK
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+	def_bool PREEMPT_RT_FULL
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+
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 config RWSEM_XCHGADD_ALGORITHM
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-	def_bool y
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+	def_bool !RWSEM_GENERIC_SPINLOCK && !PREEMPT_RT_FULL
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 config GENERIC_CALIBRATE_DELAY
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 	def_bool y
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@@ -938,7 +942,7 @@
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 config MAXSMP
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 	bool "Enable Maximum number of SMP Processors and NUMA Nodes"
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 	depends on X86_64 && SMP && DEBUG_KERNEL
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-	select CPUMASK_OFFSTACK
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+	select CPUMASK_OFFSTACK if !PREEMPT_RT_FULL
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 	---help---
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 	  Enable maximum number of CPUS and NUMA Nodes for this architecture.
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 	  If unsure, say N.