linux-kernel - Re: [PATCH] perf: Also export the weak version of perf_arch_fetch_caller

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Message-ID: <20100314092341.GA5158@nowhere>
Date:	Sun, 14 Mar 2010 10:23:44 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf: Also export the weak version of
	perf_arch_fetch_caller_regs

On Fri, Mar 12, 2010 at 05:20:43PM +1100, Stephen Rothwell wrote:
> Hi Frederic,
> 
> On Fri, 12 Mar 2010 06:50:44 +0100 Frederic Weisbecker <fweisbec@...il.com> wrote:
> >
> > Does that fixes the issue? Sorry I can not test for now...
> 
> I can't test it right now, sorry, but I have heard that EXPORT_SYMBOL's
> for weak symbols must be in a different file from the actual symbol
> definition.



Hmm. Ok, kernel/trace/trace_event_perf.c must be the right place then,
as the only users of this helper are trace events.

Will send a fix once I get this tested, thanks for the pointer!

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