From: Peter Zijlstra <peterz@infradead.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>,
Ingo Molnar <mingo@elte.hu>,
Frederic Weisbecker <fweisbec@gmail.com>,
Paul Mackerras <paulus@samba.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] perf: export perf_trace_regs and perf_arch_fetch_caller_regs
Date: Thu, 11 Mar 2010 10:10:51 +0100 [thread overview]
Message-ID: <1268298651.5279.986.camel@twins> (raw)
In-Reply-To: <20100311090248.GA10904@infradead.org>
On Thu, 2010-03-11 at 04:02 -0500, Christoph Hellwig wrote:
> On Thu, Mar 11, 2010 at 03:30:35PM +0800, Xiao Guangrong wrote:
> > Export perf_trace_regs and perf_arch_fetch_caller_regs since module will
> > use these
>
> What modules exactly? Uusually you add the export together with the
> series adding the users.
Pretty much all modular tracepoint users I think, I just got this from a
pp64_defconfig build:
ERROR: "perf_trace_regs" [fs/xfs/xfs.ko] undefined!
ERROR: ".perf_arch_fetch_caller_regs" [fs/xfs/xfs.ko] undefined!
ERROR: "perf_trace_regs" [arch/powerpc/platforms/cell/spufs/spufs.ko] undefined!
ERROR: ".perf_arch_fetch_caller_regs" [arch/powerpc/platforms/cell/spufs/spufs.ko] undefined!
next prev parent reply other threads:[~2010-03-11 9:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-11 7:30 [PATCH] perf: export perf_trace_regs and perf_arch_fetch_caller_regs Xiao Guangrong
2010-03-11 8:39 ` Peter Zijlstra
2010-03-11 9:02 ` Christoph Hellwig
2010-03-11 9:10 ` Peter Zijlstra [this message]
2010-03-11 9:14 ` Christoph Hellwig
2010-03-11 14:18 ` Frederic Weisbecker
2010-03-11 14:41 ` [tip:perf/urgent] " tip-bot for Xiao Guangrong
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