linux-kernel - Re: [PATCH 1/2]: mark ptrace

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Date:	Wed, 28 Apr 2010 15:06:52 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Christoph Hellwig <hch@....de>
Cc:	roland@...hat.com, akpm@...ux-foundation.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2]: mark ptrace_traceme static

On 04/28, Christoph Hellwig wrote:
>
> Any reason this never made it to Linus?

The patch is obviously fine, and iirc it was explicitly acked by Roland.

Probably you can resend it to Andrew?

> On Mon, Feb 01, 2010 at 08:18:55PM +0100, Christoph Hellwig wrote:
> > It's not used outside of ptrace.c, so no need to allow access to it.
> > 
> > Signed-off-by: Christoph Hellwig <hch@....de>
> > 
> > Index: linux-2.6/include/linux/ptrace.h
> > ===================================================================
> > --- linux-2.6.orig/include/linux/ptrace.h	2010-01-26 18:02:46.745004926 +0100
> > +++ linux-2.6/include/linux/ptrace.h	2010-01-26 18:02:51.759268161 +0100
> > @@ -81,7 +81,6 @@
> >  
> >  
> >  extern long arch_ptrace(struct task_struct *child, long request, long addr, long data);
> > -extern int ptrace_traceme(void);
> >  extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len);
> >  extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len);
> >  extern int ptrace_attach(struct task_struct *tsk);
> > Index: linux-2.6/kernel/ptrace.c
> > ===================================================================
> > --- linux-2.6.orig/kernel/ptrace.c	2010-01-26 18:02:55.627012005 +0100
> > +++ linux-2.6/kernel/ptrace.c	2010-01-26 18:04:22.163015407 +0100
> > @@ -220,7 +220,7 @@ out:
> >   * Performs checks and sets PT_PTRACED.
> >   * Should be used by all ptrace implementations for PTRACE_TRACEME.
> >   */
> > -int ptrace_traceme(void)
> > +static int ptrace_traceme(void)
> >  {
> >  	int ret = -EPERM;
> >  
> ---end quoted text---

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