linux-kernel - Re: [PATCH 2/4] ptrace: remove PT_DTRACE from avr32, mn10300, parisc, s390, sh, xtensa

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Date:	Fri, 24 Apr 2009 00:05:28 -0700
From:	Chris Zankel <chris@...kel.net>
To:	Oleg Nesterov <oleg@...hat.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Roland McGrath <roland@...hat.com>,
	David Howells <dhowells@...hat.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Greg Ungerer <gerg@...inux.org>,
	Haavard Skinnemoen <hskinnemoen@...el.com>,
	Helge Deller <deller@....de>,
	Hirokazu Takata <takata@...ux-m32r.org>,
	Jeff Dike <jdike@...toit.com>,
	Kyle McMartin <kyle@...artin.ca>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Mike Frysinger <vapier.adi@...il.com>,
	Paul Mundt <lethal@...ux-sh.org>,
	Roman Zippel <zippel@...ux-m68k.org>,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] ptrace: remove PT_DTRACE from avr32, mn10300, parisc,
 s390, sh, xtensa

Acked-by: Chris Zankel <chris@...kel.net>

Cheers!
-Chris

Oleg Nesterov wrote:
> avr32, mn10300, parisc, s390, sh, xtensa:
> 
> they never set PT_DTRACE, but clear it after do_execve().
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>
> 
>  arch/xtensa/kernel/process.c      |    5 -----
> --- PTRACE/arch/xtensa/kernel/process.c~DT_2_CLEAR	2009-04-06 00:03:37.000000000 +0200
> +++ PTRACE/arch/xtensa/kernel/process.c	2009-04-22 21:48:13.000000000 +0200
> @@ -331,11 +331,6 @@ long xtensa_execve(char __user *name, ch
>  	if (IS_ERR(filename))
>  		goto out;
>  	error = do_execve(filename, argv, envp, regs);
> -	if (error == 0) {
> -		task_lock(current);
> -		current->ptrace &= ~PT_DTRACE;
> -		task_unlock(current);
> -	}
>  	putname(filename);
>  out:
>  	return error;

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