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Date:	Thu, 19 Jun 2014 17:06:47 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	kbuild test robot <fengguang.wu@...el.com>, kbuild-all@...org,
	LKML <linux-kernel@...r.kernel.org>,
	Michael Halcrow <mhalcrow@...ibm.com>,
	Tyler Hicks <tyhicks@...onical.com>, ecryptfs@...r.kernel.org
Subject: Re: [trace:ftrace/core 1/3] include/trace/syscall.h:39:6: error:
	'TIF_SYSCALL_TRACEPOINT' undeclared

On 06/19, Steven Rostedt wrote:
>
> On Wed, 18 Jun 2014 21:15:59 -0400
> Steven Rostedt <rostedt@...dmis.org> wrote:
>
> > On Thu, 19 Jun 2014 03:25:46 +0800
> > kbuild test robot <fengguang.wu@...el.com> wrote:
> >
> > > tree:   git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git ftrace/core
> > > head:   72fa1a896d8ef355e81270667803ceb16a3dd13f
> > > commit: 32def52ce8faec72c353b6304ca98176687e18f1 [1/3] tracing: Fix syscall_*regfunc() vs copy_process() race
> > > config: make ARCH=xtensa allyesconfig
>
> I got a bit confused because I just noticed that the patch does include
> thread_info.h. But then I noticed that TIF_SYSCALL_TRACEPOINT is
> defined in arch/x86/include/asm/thread_info.h, and this is generic
> code. and the error here is for ARCH=xtensa. We can not be using this.

Yes, I was confused the same way.

> Crap, I just sent a pull request to Linus, I'll have to tell him not to
> pull it.
>
> I'll look for other solutions.

Sorry. Please see another email I sent, we probably need
CONFIG_HAVE_SYSCALL_TRACEPOINTS.

Oleg.

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