Commit ba9cc328 authored by Isaku Yamahata's avatar Isaku Yamahata Committed by Tony Luck
Browse files

ia64/pv_ops: update Kconfig for paravirtualized guest and xen. 



introduce CONFIG_PARAVIRT_GUEST, CONFIG_PARAVIRT for
paravirtualized guest.
introduce CONFIG_XEN, CONFIG_IA64_XEN_GUEST for xen.

Signed-off-by: default avatarAlex Williamson <alex.williamson@hp.com>
Signed-off-by: default avatarIsaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 91834e68

arch/ia64/Kconfig

+32 −0
Original line number Diff line number Diff line
@@ -108,6 +108,33 @@ config AUDIT_ARCH 
	bool

	default y



menuconfig PARAVIRT_GUEST

	bool "Paravirtualized guest support"

	help

	  Say Y here to get to see options related to running Linux under

	  various hypervisors.  This option alone does not add any kernel code.



	  If you say N, all options in this submenu will be skipped and disabled.



if PARAVIRT_GUEST



config PARAVIRT

	bool "Enable paravirtualization code"

	depends on PARAVIRT_GUEST

	default y

	bool

	default y

	help

	  This changes the kernel so it can modify itself when it is run

	  under a hypervisor, potentially improving performance significantly

	  over full virtualization.  However, when run without a hypervisor

	  the kernel is theoretically slower and slightly larger.





source "arch/ia64/xen/Kconfig"



endif



choice

	prompt "System type"

	default IA64_GENERIC
@@ -129,6 +156,7 @@ config IA64_GENERIC 
	  SGI-SN2		For SGI Altix systems

	  SGI-UV		For SGI UV systems

	  Ski-simulator		For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>

	  Xen-domU		For xen domU system



	  If you don't know what to do, choose "generic".
@@ -179,6 +207,10 @@ config IA64_HP_SIM 
	bool "Ski-simulator"

	select SWIOTLB



config IA64_XEN_GUEST

	bool "Xen guest"

	depends on XEN



endchoice



choice

arch/ia64/xen/Kconfig

0 → 100644
+26 −0
Original line number Diff line number Diff line 
#

# This Kconfig describes xen/ia64 options

#



config XEN

	bool "Xen hypervisor support"

	default y

	depends on PARAVIRT && MCKINLEY && IA64_PAGE_SIZE_16KB && EXPERIMENTAL

	select XEN_XENCOMM

	select NO_IDLE_HZ



	# those are required to save/restore.

	select ARCH_SUSPEND_POSSIBLE

	select SUSPEND

	select PM_SLEEP

	help

	  Enable Xen hypervisor support.  Resulting kernel runs

	  both as a guest OS on Xen and natively on hardware.



config XEN_XENCOMM

	depends on XEN

	bool



config NO_IDLE_HZ

	depends on XEN

	bool

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