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

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Date:	Wed, 28 Apr 2010 13:45:41 +0200
From:	Christoph Hellwig <hch@....de>
To:	roland@...hat.com, oleg@...hat.com
Cc:	akpm@...ux-foundation.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2]: mark ptrace_traceme static

Any reason this never made it to Linus?

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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