Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755170Ab2BXOvV (ORCPT ); Fri, 24 Feb 2012 09:51:21 -0500 Received: from mail-qw0-f53.google.com ([209.85.216.53]:50292 "EHLO mail-qw0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752352Ab2BXOvU (ORCPT ); Fri, 24 Feb 2012 09:51:20 -0500 Authentication-Results: mr.google.com; spf=pass (google.com: domain of bsingharora@gmail.com designates 10.229.106.134 as permitted sender) smtp.mail=bsingharora@gmail.com; dkim=pass header.i=bsingharora@gmail.com MIME-Version: 1.0 In-Reply-To: <20120224114748.720ee79a.kamezawa.hiroyu@jp.fujitsu.com> References: <1326912662-18805-1-git-send-email-asharma@fb.com> <4F468888.9090702@fb.com> <20120224114748.720ee79a.kamezawa.hiroyu@jp.fujitsu.com> Date: Fri, 24 Feb 2012 20:21:18 +0530 Message-ID: Subject: Re: [PATCH] mm: Enable MAP_UNINITIALIZED for archs with mmu From: Balbir Singh To: Arun Sharma Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, KAMEZAWA Hiroyuki Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 596 Lines: 14 On Fri, Feb 24, 2012 at 8:17 AM, KAMEZAWA Hiroyuki wrote: >> They don't have access to each other's VMAs, but if "accidentally" one >> of them comes across an uninitialized page with data from another task, >> it's not a violation of the security model. Can you expand more on the single address space model? Balbir -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/