linux-kernel - Re: [PATCH] Silence 'ignoring return value' warnings in drivers/video/aty/radeon

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Message-ID: <20080506214158.0f850cda@infradead.org>
Date:	Tue, 6 May 2008 21:41:58 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	David Miller <davem@...emloft.net>, tony@...eyournoodle.com,
	linux-kernel@...r.kernel.org, benh@...nel.crashing.org
Subject: Re: [PATCH] Silence 'ignoring return value' warnings in
 drivers/video/aty/radeon_base.c

On Tue, 6 May 2008 21:26:43 -0700
Andrew Morton <akpm@...ux-foundation.org> wrote:

> On Tue, 6 May 2008 21:23:14 -0700 Andrew Morton
> <akpm@...ux-foundation.org> wrote:
> 
> > otcompletelyoh, perhaps we could generate a backtrace from within
> > printk() itself for when it sees messages which have KERN_ERR or
> > some other suitably-chosen (and probably configurable) facility
> > level.
> 
> and if that is impractical, perhaps create a new printk facility
> (KERN_TRACE?) which gets rewritten to KERN_ERR, but tells printk()
> to generate a trace.
> 
> Do we really need the file-n-line info?

for me, it really does help to have that; it saves me and others time
to grep where exactly it happens. it also allows me to tie things to
gitweb automatically
(see  http://www.kerneloops.org/search.php?search=write_msg for an
example of how this works; this feature is very appreciated by several
developers and was done on their request)
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