pSeries run as a guest and might need pv-qspinlock. Signed-off-by: Pan Xinhui <xinhui.pan@xxxxxxxxxxxxxxxxxx> --- arch/powerpc/kernel/Makefile | 1 + arch/powerpc/platforms/pseries/Kconfig | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 1925341..4780415 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -53,6 +53,7 @@ obj-$(CONFIG_PPC_970_NAP) += idle_power4.o obj-$(CONFIG_PPC_P7_NAP) += idle_book3s.o procfs-y := proc_powerpc.o obj-$(CONFIG_PROC_FS) += $(procfs-y) +obj-$(CONFIG_PARAVIRT_SPINLOCKS) += paravirt.o rtaspci-$(CONFIG_PPC64)-$(CONFIG_PCI) := rtas_pci.o obj-$(CONFIG_PPC_RTAS) += rtas.o rtas-rtc.o $(rtaspci-y-y) obj-$(CONFIG_PPC_RTAS_DAEMON) += rtasd.o diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index bec90fb..c9cc064 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -33,6 +33,14 @@ config PPC_SPLPAR processors, that is, which share physical processors between two or more partitions. +config PARAVIRT_SPINLOCKS + bool "Paravirtialization support for qspinlock" + depends on PPC_SPLPAR && QUEUED_SPINLOCKS + default y + help + If kernel need run as a guest then enable this option. + Generally it can let kernel have a better performace. + config DTL bool "Dispatch Trace Log" depends on PPC_SPLPAR && DEBUG_FS -- 2.4.11 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
