linux-kernel - Re: [patch] enhance initcall

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Message-ID: <20070402072202.GC24269@one.firstfloor.org>
Date:	Mon, 2 Apr 2007 09:22:02 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [patch] enhance initcall_debug, measure latency

> > > initcall 0xc1f5487d ran for 23083 msecs: pca_isa_init+0x0/0x143() 
> > > initcall 0xc1f54fba ran for 17121 msecs: pcf8574_init+0x0/0x20()
> > 
> > e.g. those just look like bugs.
> 
> it's ok i think: it's ISA so it spends its time fairly to tickle the 
> ports in a loop.

23 or 17 seconds long?  That's just broken imho.

I presume one could define a background_module_init() for those, 
but it's still buggy.

-Andi
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