Subject: Re: [PATCH -next] acpi utmisc: use WARN_ON() instead of warn_on_slowpath()

From: Andi Kleen <[email-masked]>
Date: Wed, 02 Jul 2008 20:50:04 +0200

Randy Dunlap wrote:
> From: Randy Dunlap <[email-masked]>
> 
> utmisc.c needs to include asm-generic/bug.h for warn()/WARN() functions,
> but it should use WARN_ON() instead of warn_on_slowpath() since
> arches can provide their own implementation of WARN_ON(), which does
> not have to use/provide/implement warn_on_slowpath() at all.
> Just use the front door (WARN_ON).
> 
> linux-next-20080702/drivers/acpi/utilities/utmisc.c:1027: error: implicit declaration of function 'warn_on_slowpath'

On what architecture did you see that?

It might be be better to just provide it on all architectures supported
by ACPI (x86, ia64). I suppose it was ia64?

-Andi