kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/kernel/Kconfig.preempt
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@@ -1,11 +1,5 @@
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 # SPDX-License-Identifier: GPL-2.0-only
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-config HAVE_PREEMPT_LAZY
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-	bool
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-
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-config PREEMPT_LAZY
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-	def_bool y if HAVE_PREEMPT_LAZY && PREEMPT_RT
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-
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 choice
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 	prompt "Preemption Model"
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 	default PREEMPT_NONE
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@@ -65,7 +59,6 @@
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 	bool "Fully Preemptible Kernel (Real-Time)"
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 	depends on EXPERT && ARCH_SUPPORTS_RT
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 	select PREEMPTION
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-	select RT_MUTEXES
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 	help
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 	  This option turns the kernel into a real-time kernel by replacing
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 	  various locking primitives (spinlocks, rwlocks, etc.) with