linux-kernel - Re: [patch 5/9] lguest: the Makefile and Kconfig

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Message-ID: <20070509204725.GB10336@uranus.ravnborg.org>
Date:	Wed, 9 May 2007 22:47:25 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, virtualization@...ts.osdl.org,
	rusty@...tcorp.com.au, ak@...e.de
Subject: Re: [patch 5/9] lguest: the Makefile and Kconfig

On Wed, May 09, 2007 at 02:51:37AM -0700, akpm@...ux-foundation.org wrote:
> From: Rusty Russell <rusty@...tcorp.com.au>
> 
> This is the Kconfig and Makefile to allow lguest to actually be
> compiled.
> 
> Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
> Cc: Andi Kleen <ak@...e.de>
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> ---
> 
>  drivers/Kconfig         |    2 ++
>  drivers/Makefile        |    1 +
>  drivers/lguest/Kconfig  |   20 ++++++++++++++++++++
>  drivers/lguest/Makefile |    7 +++++++
>  4 files changed, 30 insertions(+)
> 
> diff -puN drivers/Kconfig~lguest-the-makefile-and-kconfig drivers/Kconfig
> --- a/drivers/Kconfig~lguest-the-makefile-and-kconfig
> +++ a/drivers/Kconfig
> @@ -89,4 +89,6 @@ source "drivers/auxdisplay/Kconfig"
>  source "drivers/kvm/Kconfig"
>  
>  source "drivers/uio/Kconfig"
> +
> +source "drivers/lguest/Kconfig"
>  endmenu
> diff -puN drivers/Makefile~lguest-the-makefile-and-kconfig drivers/Makefile
> --- a/drivers/Makefile~lguest-the-makefile-and-kconfig
> +++ a/drivers/Makefile
> @@ -72,6 +72,7 @@ obj-$(CONFIG_ISDN)		+= isdn/
>  obj-$(CONFIG_EDAC)		+= edac/
>  obj-$(CONFIG_MCA)		+= mca/
>  obj-$(CONFIG_EISA)		+= eisa/
> +obj-$(CONFIG_LGUEST_GUEST)	+= lguest/
>  obj-$(CONFIG_CPU_FREQ)		+= cpufreq/
>  obj-$(CONFIG_MMC)		+= mmc/
>  obj-$(CONFIG_NEW_LEDS)		+= leds/
> diff -puN /dev/null drivers/lguest/Kconfig
> --- /dev/null
> +++ a/drivers/lguest/Kconfig
> @@ -0,0 +1,20 @@
> +config LGUEST
> +	tristate "Linux hypervisor example code"
> +	depends on X86 && PARAVIRT && NET && EXPERIMENTAL && !X86_PAE
> +	select LGUEST_GUEST
> +	select HVC_DRIVER
> +	---help---
> +	  This is a very simple module which allows you to run
> +	  multiple instances of the same Linux kernel, using the
> +	  "lguest" command found in the Documentation/lguest directory.
> +	  Note that "lguest" is pronounced to rhyme with "fell quest",
> +	  not "rustyvisor".  See Documentation/lguest/lguest.txt.
> +
> +	  If unsure, say N.  If curious, say M.  If masochistic, say Y.
> +
> +config LGUEST_GUEST
> +	bool
> +	help
> +	  The guest needs code built-in, even if the host has lguest
> +	  support as a module.  The drivers are tiny, so we build them
> +	  in too.
> diff -puN /dev/null drivers/lguest/Makefile
> --- /dev/null
> +++ a/drivers/lguest/Makefile
> @@ -0,0 +1,7 @@
> +# Guest requires the paravirt_ops replacement and the bus driver.
> +obj-$(CONFIG_LGUEST_GUEST) += lguest.o lguest_asm.o lguest_bus.o
> +
> +# Host requires the other files, which can be a module.
> +obj-$(CONFIG_LGUEST)	+= lg.o
> +lg-objs := core.o hypercalls.o page_tables.o interrupts_and_traps.o \
> +	segments.o io.o lguest_user.o switcher.o
Please use: lg-y :=
Using -objs is no longer preferred.

	Sam

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