Date: Tue, 14 Dec 2010 16:53:47 +0100
From: Oleg Nesterov <oleg@redhat.com>
To: "Suzuki K. Poulose" <suzuki@in.ibm.com>
Cc: linux-kernel@vger.kernel.org,
        Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
        Christoph Hellwig <hch@lst.de>, Masami Hiramatsu <mhiramat@redhat.com>,
        Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
        Daisuke HATAYAMA <d.hatayama@jp.fujitsu.com>,
        Andi Kleen <andi@firstfloor.org>, Roland McGrath <roland@redhat.com>,
        Amerigo Wang <amwang@redhat.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
        KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [Patch 4/21] Make fill_psinfo generic
Message-ID: <20101214155347.GB11400@redhat.com>
References: <20101214152259.67896960@suzukikp> <20101214153135.5f4423e0@suzukikp>
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On 12/14, Suzuki K. Poulose wrote:
>
> +	if (p->group_leader == current->group_leader) {
> +		if (copy_from_user(&psinfo->pr_psargs,
> +			           (const char __user *)mm->arg_start, len))
> +			return -EFAULT;
> +	} else {
> +		int bytes = access_process_vm(p, mm->arg_start,
> +						&psinfo->pr_psargs, len, 0);

The same.

Oleg.

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