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config PPC_PSERIES
depends on PPC64 && PPC_BOOK3S
bool "IBM pSeries & new (POWER5-based) iSeries"
select MPIC
select PCI_MSI
select XICS
select PPC_I8259
select PPC_RTAS
select PPC_RTAS_DAEMON
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"
help
Say Y here if you want the pseries core to produce a bunch of
debug messages to the system log. Select this if you are having a
problem with the pseries core and want to see more of what is
going on. This does not enable debugging in lpar.c, which must
be manually done due to its verbosity.
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
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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