kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/powerpc/platforms/pseries/Kconfig
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@@ -5,7 +5,7 @@
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 	select HAVE_PCSPKR_PLATFORM
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 	select MPIC
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 	select OF_DYNAMIC
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-	select PCI
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+	select FORCE_PCI
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 	select PCI_MSI
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 	select PPC_XICS
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 	select PPC_XIVE_SPAPR
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@@ -21,19 +21,25 @@
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 	select PPC_DOORBELL
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 	select HOTPLUG_CPU
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 	select ARCH_RANDOM
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-	select PPC_DOORBELL
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 	select FORCE_SMP
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+	select SWIOTLB
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 	default y
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+config PARAVIRT_SPINLOCKS
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+	bool
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+
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 config PPC_SPLPAR
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-	depends on PPC_PSERIES
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 	bool "Support for shared-processor logical partitions"
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-	default n
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+	depends on PPC_PSERIES
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+	select PARAVIRT_SPINLOCKS if PPC_QUEUED_SPINLOCKS
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+	default y
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 	help
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 	  Enabling this option will make the kernel run more efficiently
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 	  on logically-partitioned pSeries systems which use shared
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 	  processors, that is, which share physical processors between
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 	  two or more partitions.
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+
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+	  Say Y if you are unsure.
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 config DTL
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 	bool "Dispatch Trace Log"
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@@ -81,25 +87,24 @@
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 	bool "LPAR Configuration Data"
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 	depends on PPC_PSERIES
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 	help
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-	Provide system capacity information via human readable
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-	<key word>=<value> pairs through a /proc/ppc64/lparcfg interface.
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+	  Provide system capacity information via human readable
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+	  <key word>=<value> pairs through a /proc/ppc64/lparcfg interface.
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 config PPC_PSERIES_DEBUG
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 	depends on PPC_PSERIES && PPC_EARLY_DEBUG
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 	bool "Enable extra debug logging in platforms/pseries"
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-        help
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+	default y
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+	help
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 	  Say Y here if you want the pseries core to produce a bunch of
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 	  debug messages to the system log. Select this if you are having a
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 	  problem with the pseries core and want to see more of what is
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 	  going on. This does not enable debugging in lpar.c, which must
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 	  be manually done due to its verbosity.
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-	default y
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 config PPC_SMLPAR
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 	bool "Support for shared-memory logical partitions"
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 	depends on PPC_PSERIES
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 	select LPARCFG
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-	default n
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 	help
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 	  Select this option to enable shared memory partition support.
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 	  With this option a system running in an LPAR can be given more
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@@ -109,6 +114,7 @@
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 config CMM
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 	tristate "Collaborative memory management"
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 	depends on PPC_SMLPAR
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+	select MEMORY_BALLOON
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 	default y
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 	help
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 	  Select this option, if you want to enable the kernel interface
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@@ -119,16 +125,16 @@
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 	  balance memory across many LPARs.
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 config HV_PERF_CTRS
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-       bool "Hypervisor supplied PMU events (24x7 & GPCI)"
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-       default y
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-       depends on PERF_EVENTS && PPC_PSERIES
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-       help
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+	bool "Hypervisor supplied PMU events (24x7 & GPCI)"
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+	default y
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+	depends on PERF_EVENTS && PPC_PSERIES
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+	help
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 	  Enable access to hypervisor supplied counters in perf. Currently,
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 	  this enables code that uses the hcall GetPerfCounterInfo and 24x7
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 	  interfaces to retrieve counters. GPCI exists on Power 6 and later
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 	  systems. 24x7 is available on Power 8 and later systems.
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-          If unsure, select Y.
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+	  If unsure, select Y.
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 config IBMVIO
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 	depends on PPC_PSERIES
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@@ -140,3 +146,23 @@
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 	bool "Support for GX bus based adapters"
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 	help
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 	  Bus device driver for GX bus based adapters.
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+
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+config PAPR_SCM
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+	depends on PPC_PSERIES && MEMORY_HOTPLUG && LIBNVDIMM
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+	tristate "Support for the PAPR Storage Class Memory interface"
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+	help
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+	  Enable access to hypervisor provided storage class memory.
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+
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+config PPC_SVM
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+	bool "Secure virtual machine (SVM) support for POWER"
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+	depends on PPC_PSERIES
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+	select SWIOTLB
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+	select ARCH_HAS_MEM_ENCRYPT
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+	select ARCH_HAS_FORCE_DMA_UNENCRYPTED
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+	help
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+	 There are certain POWER platforms which support secure guests using
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+	 the Protected Execution Facility, with the help of an Ultravisor
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+	 executing below the hypervisor layer. This enables support for
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+	 those guests.
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+
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+	 If unsure, say "N".