linux-kernel - Re: [PATCH 1/4] panic: Allow warnings to set different taint flags

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Date:	Tue, 6 Apr 2010 06:46:27 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-pci@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	linux-parisc@...r.kernel.org, linuxppc-dev@...abs.org,
	linux-s390@...r.kernel.org, linux-sh@...r.kernel.org
Subject: Re: [PATCH 1/4] panic: Allow warnings to set different taint flags

On Sat, Apr 03, 2010 at 07:34:56PM +0100, Ben Hutchings wrote:
> WARN() is used in some places to report firmware or hardware bugs that
> are then worked-around.  These bugs do not affect the stability of the
> kernel and should not set the flag for TAINT_WARN.  To allow for this,
> add WARN_TAINT() and WARN_TAINT_ONCE() macros that take a taint number
> as argument.
> 
> Architectures that implement warnings using trap instructions instead
> of calls to warn_slowpath_*() now implement __WARN_TAINT(taint)
> instead of __WARN().
> 
> Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
> ---
> Changes since the previous version:
> - Added note to Documentation/oops-tracing.txt
> - Changed the commit message to distinguish taint numbers from taint
>   flags
> - Removed 'must' from last sentence of commit message; this patch
>   converts all mainline architectures
> 
This seems to be missing my Tested-by from the last iteration, since
there are no functional changes with this version feel free to add it in
again.
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