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Subject: Re: [PATCH v3] powerpc: Add irqtrace support for 32-bit powerpc
From: Johannes Berg <johannes@sipsolutions.net>
To: Dale Farnsworth <dale@farnsworth.org>
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Date: Tue, 08 Apr 2008 23:36:14 +0200
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> > This version fixes the clobbering of r12 by the call to
> > trace_hardirqs_off() that was pointed out by BenH.
> >=20
> > Johannes, I'd appreciate your trying this version if/when
> > you get the chance.
>=20
> Thanks Dale, this version seems to work. I'll stress it a bit more
> later, but so far it has survived *much* longer than both previous
> versions.

Hmm. Bad news. I got a crash in console_callback() again where
apparently r28 had a bogus value. That, however, doesn't make sense, so
maybe that register value was calculated from another register.

johannes

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