linux-kernel - Re: [PATCH v2 0/9] Extended H/W error log driver

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Message-ID: <20131016125646.7141b580@gandalf.local.home>
Date:	Wed, 16 Oct 2013 12:56:46 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Borislav Petkov <bp@...en8.de>
Cc:	"Chen, Gong" <gong.chen@...ux.intel.com>, tony.luck@...el.com,
	joe@...ches.com, naveen.n.rao@...ux.vnet.ibm.com,
	arozansk@...hat.com, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/9] Extended H/W error log driver

On Wed, 16 Oct 2013 18:05:50 +0200
Borislav Petkov <bp@...en8.de> wrote:

 
> > For trace output format we still need further discussion. In the last
> > patch(support trace interface) I have to reserve previous Kconfig
> > format because I find once I put trace_event interface in the module,
> > it will not work. I will paste another trace patch(it only works when

What did not work?

> > acpi_extlog is builtin) for your answer.
> 
> I think to be able to define TRACE_EVENTs in modules, you need
> https://lwn.net/Articles/383362/
> 
> Steve, that still true?
> 

Take a look at samples/trace_events/

That's a module that uses TRACE_EVENTs.

What exactly is the problem here?


-- Steve
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