linux-kernel - Re: [RFC - GIT pull] first step to get rid of x86

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Date:	Wed, 24 Oct 2007 23:14:05 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Randy Dunlap" <rdunlap@...otime.net>
Cc:	"Sam Ravnborg" <sam@...nborg.org>, "Ingo Molnar" <mingo@...e.hu>,
	"Christoph Hellwig" <hch@...radead.org>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [RFC - GIT pull] first step to get rid of x86_64 and i386 dirs

On 10/24/07, Randy Dunlap <rdunlap@...otime.net> wrote:
> On Wed, 24 Oct 2007 23:30:52 +0200 Sam Ravnborg wrote:
>
> > Hi Ingo.
> >
> > This is first step in getting rid of the two directories.
> > I had to do some very minor modifications in common files
> > to let it work out - but nothing really hackish.
> >
> > If you & Thomas + hpa are OK with the changes they can be
> > pulled from:
> >
> >       git://git.kernel.org/pub/scm/linux/kernel/git/sam/x86.git
> >
> > As this is mostly renames I have attached a git -M diff only.
> >
> > The remaining stuff is Kconfig files.
> >
> > Before looking into these I am hoping someone could
> > step in and make the two Kconfig.debug
> > files 100% equal - because then I can fix the kconfig
> > stuff and finally kill the two directories.
>
> Uh, maybe I jumped too far.  I merged the 2 x86 Kconfig.debug files
> into arch/x86/Kconfig.debug....
>
> ---
>
> From: Randy Dunlap <randy.dunlap@...cle.com>
>
> Merge i386/Kconfig.debug and x86_64/Kconfig.debug into x86/Kconfig.debug,
> using "depends on X86_32" or X86_64 when needed.
>
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
> ---
>  arch/i386/Kconfig.debug   |   88 ----------------------------------
>  arch/x86/Kconfig.debug    |  119 ++++++++++++++++++++++++++++++++++++++++++++++
>  arch/x86_64/Kconfig.debug |   61 -----------------------
>  3 files changed, 119 insertions(+), 149 deletions(-)
>
> --- linux-2.6.24-rc1.orig/arch/i386/Kconfig.debug
> +++ /dev/null
> @@ -1,88 +0,0 @@
> -menu "Kernel hacking"
> -
> -config TRACE_IRQFLAGS_SUPPORT
> -       bool
> -       default y
> -
> -source "lib/Kconfig.debug"
> -
> -config EARLY_PRINTK
> -       bool "Early printk" if EMBEDDED && DEBUG_KERNEL
> -       default y
> -       help
> -         Write kernel log output directly into the VGA buffer or to a serial
> -         port.
...
> --- /dev/null
> +++ linux-2.6.24-rc1/arch/x86/Kconfig.debug
> @@ -0,0 +1,119 @@
> +menu "Kernel hacking"
> +
> +config TRACE_IRQFLAGS_SUPPORT
> +       def_bool y
> +
> +source "lib/Kconfig.debug"
> +
> +config EARLY_PRINTK
> +       bool "Early printk" if EMBEDDED && DEBUG_KERNEL
> +       default y
> +       depends on X86_32
> +       help
> +         Write kernel log output directly into the VGA buffer or to a serial
> +         port.
> +
> +         This is useful for kernel debugging when your machine crashes very
> +         early before the console code is initialized. For normal operation
> +         it is not recommended because it looks ugly and doesn't cooperate
> +         with klogd/syslogd or the X server. You should normally N here,
> +         unless you want to debug such a crash.
> +
...
in x86_64/Kconfig has EARLY_PRINTK too

config EARLY_PRINTK
        bool
        default y


YH
-
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