kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/arm/Kconfig
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@@ -31,7 +31,6 @@
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 	select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
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 	select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT if CPU_V7
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 	select ARCH_SUPPORTS_ATOMIC_RMW
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-	select ARCH_SUPPORTS_RT if HAVE_POSIX_CPU_TIMERS_TASK_WORK
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 	select ARCH_USE_BUILTIN_BSWAP
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 	select ARCH_USE_CMPXCHG_LOCKREF
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 	select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
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@@ -68,7 +67,7 @@
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 	select HARDIRQS_SW_RESEND
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 	select HAVE_ARCH_AUDITSYSCALL if AEABI && !OABI_COMPAT
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 	select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6
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-	select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU && !PREEMPT_RT
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+	select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32 && MMU
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 	select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU
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 	select HAVE_ARCH_MMAP_RND_BITS if MMU
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 	select HAVE_ARCH_SECCOMP
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@@ -108,7 +107,6 @@
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 	select HAVE_PERF_EVENTS
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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 MMU_GATHER_RCU_TABLE_FREE if SMP && ARM_LPAE
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 	select HAVE_REGS_AND_STACK_ACCESS_API
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 	select HAVE_RSEQ
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@@ -124,7 +122,6 @@
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 	select OLD_SIGSUSPEND3
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 	select PCI_SYSCALL if PCI
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 	select PERF_USE_VMALLOC
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-	select HAVE_POSIX_CPU_TIMERS_TASK_WORK if !KVM
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 	select RTC_LIB
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 	select SET_FS
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 	select SYS_SUPPORTS_APM_EMULATION
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@@ -1500,7 +1497,6 @@
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 config HIGHMEM
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 	bool "High Memory Support"
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 	depends on MMU
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-	select KMAP_LOCAL
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 	help
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 	  The address space of ARM processors is only 4 Gigabytes large
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 	  and it has to accommodate user address space, kernel address