Re: [patch] Printk kernel version in WARN_ON
From: Sam Ravnborg
Date: Sat Nov 17 2007 - 14:41:16 EST
On Sat, Nov 17, 2007 at 11:35:01AM -0800, Arjan van de Ven wrote:
> On Sat, 17 Nov 2007 10:46:52 -0800
> Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> > > by ... not too much at least, gcc ought to be quite good at merging
> > > same-strings into one, so it's just one extra pointer argument
> > >
> >
> > I think I knew that. At 1000 callsites.
>
> ok so how about putting the same into dump_stack() instead? (see below)
> added bonus is that it's now present for all dumps that use
> dump_stack(), not just WARN_ON()
> (the format I copied from the exact line used by oopses)
This solved the "zillion files being rebuild" issue I mentioned.
So from that angle it is better.
And I notice you use the namespace aware helpers to access the
kernelrelease string - I assume this is better than direct use
of UTS_RELEASE.
Sam
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