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Date: Wed, 28 Nov 2007 13:36:13 -0800
From: "Tim Pepper" <tpepper@gmail.com>
To: "Timur Tabi" <timur@freescale.com>
Subject: Re: Why are CONFIG_LOCKDEP_SUPPORT, CONFIG_TRACE_IRQFLAGS_SUPPORT,
	and CONFIG_STACKTRACE_SUPPORT not defined for PowerPC?
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On Nov 28, 2007 11:56 AM, Timur Tabi <timur@freescale.com> wrote:
> These three Kconfig options:
>
>         CONFIG_LOCKDEP_SUPPORT
>         CONFIG_TRACE_IRQFLAGS_SUPPORT
>         CONFIG_STACKTRACE_SUPPORT
>
> Are not defined for ppc or powerpc, but they are defined for several other
> architectures.  I'm trying to debug some semaphore locks in ALSA, and these
> defines are necessary to enable some other Kconfig features.

These work for me, but I don't think they're finalised yet so your
mileage may vary:

http://patchwork.ozlabs.org/linuxppc/patch?id=14171
http://patchwork.ozlabs.org/linuxppc/patch?id=14172



Tim