Date: Mon, 4 Jun 2012 11:08:31 -0400
From: Don Zickus <dzickus@redhat.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Witold Baryluk <baryluk@smp.if.uj.edu.pl>, linux-kernel@vger.kernel.org,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
        x86@kernel.org
Subject: Re: WARNING: arch/x86/built-in.o: Section mismatch in reference from
 the variable test_nmi_ipi_callback_na to function
 .ini.text:test_nmi_ipi_callback
Message-ID: <20120604150831.GO32472@redhat.com>
References: <20120602161502.GW16584@smp.if.uj.edu.pl>
 <20120604143643.GJ32472@redhat.com>
 <4FCCCD5D.6010005@zytor.com>
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On Mon, Jun 04, 2012 at 07:59:41AM -0700, H. Peter Anvin wrote:
> On 06/04/2012 07:36 AM, Don Zickus wrote:
> > 
> > Basically the test registers two nmi_handlers, run some tests, and
> > then unregisters them.  Those handlers are what the compiler seems to be
> > complaining about.  I do not know what magic to pass the compiler to let
> > it know that both of the handlers will be unregistered before the init
> > section is destroyed.
> > 
> > Perhaps I should tag those callbacks with __ref? I am not sure the right
> > thing to do here.
> > 
> 
> Using __ref is the right thing, although __ref is hard to use right...

Thanks!  I'll poke at it and see how lucky I get.

Cheers,
Don
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