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Normalize config options for guest support 

1) Group all the "guest OS" support options together, under a PARAVIRT_GUEST
   menu.
2) Make those options select CONFIG_PARAVIRT, as suggested by Andi.
3) Make kconfig help titles consistent.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andi Kleen <ak@suse.de>
Cc: Zach Amsden <zach@vmware.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Chris Wright <chrisw@sous-sol.org>
This commit is contained in:
Rusty Russell 2007-10-22 10:55:21 +10:00
parent 0895e91d60
commit d3d1c4bdf1
3 changed files with 32 additions and 14 deletions
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38
arch/i386/Kconfig
View File

@ -227,28 +227,46 @@ config SCHED_NO_NO_OMIT_FRAME_POINTER
If in doubt, say "Y". If in doubt, say "Y".
config PARAVIRT config PARAVIRT
bool "Paravirtualization support (EXPERIMENTAL)" bool
depends on EXPERIMENTAL
depends on !(X86_VISWS || X86_VOYAGER) depends on !(X86_VISWS || X86_VOYAGER)
help help
Paravirtualization is a way of running multiple instances of This changes the kernel so it can modify itself when it is run
Linux on the same machine, under a hypervisor. This option under a hypervisor, potentially improving performance significantly
changes the kernel so it can modify itself when it is run over full virtualization. However, when run without a hypervisor
under a hypervisor, improving performance significantly. the kernel is theoretically slower and slightly larger.
However, when run without a hypervisor the kernel is
theoretically slower. If in doubt, say N. 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
source "arch/x86/xen/Kconfig" source "arch/x86/xen/Kconfig"
config VMI config VMI
bool "VMI Paravirt-ops support" bool "VMI Guest support"
depends on PARAVIRT select PARAVIRT
depends on !(X86_VISWS || X86_VOYAGER)
help help
VMI provides a paravirtualized interface to the VMware ESX server VMI provides a paravirtualized interface to the VMware ESX server
(it could be used by other hypervisors in theory too, but is not (it could be used by other hypervisors in theory too, but is not
at the moment), by linking the kernel to a GPL-ed ROM module at the moment), by linking the kernel to a GPL-ed ROM module
provided by the hypervisor. provided by the hypervisor.
config LGUEST_GUEST
bool "Lguest guest support"
select PARAVIRT
depends on !X86_PAE
help
Lguest is a tiny in-kernel hypervisor. Selecting this will
allow your kernel to boot under lguest. This option will increase
your kernel size by about 6k. If in doubt, say N.
endif
config ACPI_SRAT config ACPI_SRAT
bool bool
default y default y

5
arch/x86/xen/Kconfig
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@ -3,8 +3,9 @@
# #
config XEN config XEN
bool "Enable support for Xen hypervisor" bool "Xen guest support"
depends on PARAVIRT && X86_CMPXCHG && X86_TSC && !NEED_MULTIPLE_NODES select PARAVIRT
depends on X86_CMPXCHG && X86_TSC && !NEED_MULTIPLE_NODES && !(X86_VISWS || X86_VOYAGER)
help help
This is the Linux Xen port. Enabling this will allow the This is the Linux Xen port. Enabling this will allow the
kernel to boot in a paravirtualized environment under the kernel to boot in a paravirtualized environment under the

3
drivers/lguest/Kconfig
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@ -1,7 +1,6 @@
config LGUEST config LGUEST
tristate "Linux hypervisor example code" tristate "Linux hypervisor example code"
depends on X86 && PARAVIRT && EXPERIMENTAL && !X86_PAE && FUTEX depends on X86 && EXPERIMENTAL && !X86_PAE && FUTEX && !(X86_VISWS || X86_VOYAGER)
select LGUEST_GUEST
select HVC_DRIVER select HVC_DRIVER
---help--- ---help---
This is a very simple module which allows you to run This is a very simple module which allows you to run