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- config PPC_PSERIES
- depends on PPC64 && PPC_BOOK3S
- bool "IBM pSeries & new (POWER5-based) iSeries"
- select MPIC
- select PPC_I8259
- select PPC_RTAS
- select RTAS_ERROR_LOGGING
- select PPC_UDBG_16550
- select PPC_NATIVE
- select PPC_PCI_CHOICE if EMBEDDED
- default y
- config PPC_SPLPAR
- depends on PPC_PSERIES
- bool "Support for shared-processor logical partitions"
- default n
- help
- Enabling this option will make the kernel run more efficiently
- on logically-partitioned pSeries systems which use shared
- processors, that is, which share physical processors between
- two or more partitions.
- config EEH
- bool "PCI Extended Error Handling (EEH)" if EMBEDDED
- depends on PPC_PSERIES && PCI
- default y if !EMBEDDED
- config PSERIES_MSI
- bool
- depends on PCI_MSI && EEH
- default y
- config SCANLOG
- tristate "Scanlog dump interface"
- depends on RTAS_PROC && PPC_PSERIES
- config LPARCFG
- bool "LPAR Configuration Data"
- depends on PPC_PSERIES || PPC_ISERIES
- help
- Provide system capacity information via human readable
- <key word>=<value> pairs through a /proc/ppc64/lparcfg interface.
- config PPC_PSERIES_DEBUG
- depends on PPC_PSERIES && PPC_EARLY_DEBUG
- bool "Enable extra debug logging in platforms/pseries"
- default y
- config PPC_SMLPAR
- bool "Support for shared-memory logical partitions"
- depends on PPC_PSERIES
- select LPARCFG
- default n
- help
- Select this option to enable shared memory partition support.
- With this option a system running in an LPAR can be given more
- memory than physically available and will allow firmware to
- balance memory across many LPARs.
- config CMM
- tristate "Collaborative memory management"
- depends on PPC_SMLPAR && !CRASH_DUMP
- default y
- help
- Select this option, if you want to enable the kernel interface
- to reduce the memory size of the system. This is accomplished
- by allocating pages of memory and put them "on hold". This only
- makes sense for a system running in an LPAR where the unused pages
- will be reused for other LPARs. The interface allows firmware to
- balance memory across many LPARs.
- config DTL
- bool "Dispatch Trace Log"
- depends on PPC_SPLPAR && DEBUG_FS
- help
- SPLPAR machines can log hypervisor preempt & dispatch events to a
- kernel buffer. Saying Y here will enable logging these events,
- which are accessible through a debugfs file.
- Say N if you are unsure.
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