Re: [trace:ftrace/core 1/3] include/trace/syscall.h:39:6: error: 'TIF_SYSCALL_TRACEPOINT' undeclared

[Tyler Hicks <tyhicks@canonical.com>]

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On 2014-06-18 21:15:59, Steven Rostedt wrote:
> On Thu, 19 Jun 2014 03:25:46 +0800
> kbuild test robot <fengguang.wu@intel.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
> > 
> > All error/warnings:
> > 
> >    In file included from include/linux/syscalls.h:80:0,
> >                     from fs/ecryptfs/keystore.c:29:
> >    include/trace/syscall.h: In function 'syscall_tracepoint_update':
> > >> include/trace/syscall.h:39:6: error: 'TIF_SYSCALL_TRACEPOINT' undeclared (first use in this function)
> >    include/trace/syscall.h:39:6: note: each undeclared identifier is reported only once for each function it appears in
> > 
> > vim +/TIF_SYSCALL_TRACEPOINT +39 include/trace/syscall.h
> > 
> >     33		struct ftrace_event_call *exit_event;
> >     34	};
> >     35	
> >     36	#ifdef CONFIG_TRACEPOINTS
> >     37	static inline void syscall_tracepoint_update(struct task_struct *p)
> >     38	{
> >   > 39		if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
> >     40			set_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
> >     41		else
> >     42			clear_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
> > 
> > ---
> > 0-DAY kernel build testing backend              Open Source Technology Center
> > http://lists.01.org/mailman/listinfo/kbuild                 Intel Corporation
> 
> My allyesconfig build passed with flying colors. Although we should
> probably still add the include of thread_info.h into trace/syscalls.h,
> there's no reason that ecryptfs/keystore.c includes linux/syscalls.h.
> 
> I suggest adding the patch below.
> 
> -- Steve
> 
> From 58029546c4acf896b9ce01a820e0093e37bb98be Mon Sep 17 00:00:00 2001
> From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>
> Date: Wed, 18 Jun 2014 21:12:38 -0400
> Subject: [PATCH] ecryptfs: Remove unnecessary include of syscall.h in
>  keystore.c
> 
> There's no reason to include syscalls.h in keystore.c. Remove it.
> 
> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
> ---

Hello! Sorry for not being active in this thread.

I don't see a reason for keystore.c to include linux/syscalls.h. I'll
get this patch applied to my next tree and push it during the next merge
window. Thanks!

Tyler

>  fs/ecryptfs/keystore.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
> index 4725a07f003c..831c5f8529be 100644
> --- a/fs/ecryptfs/keystore.c
> +++ b/fs/ecryptfs/keystore.c
> @@ -26,7 +26,6 @@
>   */
>  
>  #include <linux/string.h>
> -#include <linux/syscalls.h>
>  #include <linux/pagemap.h>
>  #include <linux/key.h>
>  #include <linux/random.h>
> -- 
> 2.0.0.rc2
> 
> --
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