linux-kernel - Re: [PATCH] Document kernel taint flags properly

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Date:	Sat, 18 Oct 2008 03:51:11 -0500
From:	"Michael Kerrisk" <mtk.manpages@...glemail.com>
To:	"Greg KH" <greg@...ah.com>
Cc:	"Randy Dunlap" <rdunlap@...otime.net>,
	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org
Subject: Re: [PATCH] Document kernel taint flags properly

Greg,

Small corrections below.

On Fri, Oct 17, 2008 at 5:55 PM, Greg KH <greg@...ah.com> wrote:
> From: Greg Kroah-Hartman <gregkh@...e.de>
>
> This fills in the documentation for all of the current kernel taint
> flags, and fixes the number for TAINT_CRAP, which was incorrectly
> described.
>
> Cc: Michael Kerrisk <mtk.manpages@...il.com>
> Cc: Randy Dunlap <rdunlap@...otime.net>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
>
> ---
>  Documentation/sysctl/kernel.txt |   24 +++++++++++++++++-------
>  1 file changed, 17 insertions(+), 7 deletions(-)
>
> --- a/Documentation/sysctl/kernel.txt
> +++ b/Documentation/sysctl/kernel.txt
> @@ -363,11 +363,21 @@ tainted:
>  Non-zero if the kernel has been tainted.  Numeric values, which
>  can be ORed together:
>
> -  1 - A module with a non-GPL license has been loaded, this
> -      includes modules with no license.
> -      Set by modutils >= 2.4.9 and module-init-tools.
> -  2 - A module was force loaded by insmod -f.
> -      Set by modutils >= 2.4.9 and module-init-tools.
> -  4 - Unsafe SMP processors: SMP with CPUs not designed for SMP.
> - 64 - A module from drivers/staging was loaded.
> +   1 - A module with a non-GPL license has been loaded, this
> +       includes modules with no license.
> +       Set by modutils >= 2.4.9 and module-init-tools.
> +   2 - A module was force loaded by insmod -f.
> +       Set by modutils >= 2.4.9 and module-init-tools.
> +   4 - Unsafe SMP processors: SMP with CPUs not designed for SMP.
> +   8 - A module was forcefully unloaded from the system by rmmod -f.

s/forcefully/forcibly/

> +  16 - A hardware machine check error occured on the system.

occurred

> +  32 - A bad page was discovered on the system.
> +  64 - The user has asked that the system be marked "tainted".  This
> +       could be because they are running software that directly modifies
> +       the hardware, or for other reasons.
> + 128 - The system has died.
> + 256 - The ACPI DSDT has been overridden with one supplied by the user
> +        instead of using the one provided by the hardware.
> + 512 - A kernel warning has occurred.
> +1024 - A module from drivers/staging was loaded.

Cheers,

Michael


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
git://git.kernel.org/pub/scm/docs/man-pages/man-pages.git
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