From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752865AbbCJWRd (ORCPT ); Tue, 10 Mar 2015 18:17:33 -0400 Received: from mail-la0-f44.google.com ([209.85.215.44]:35893 "EHLO mail-la0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750920AbbCJWRa (ORCPT ); Tue, 10 Mar 2015 18:17:30 -0400 Date: Wed, 11 Mar 2015 01:17:27 +0300 From: Cyrill Gorcunov To: Calvin Owens Cc: "Kirill A. Shutemov" , Andrew Morton , Alexey Dobriyan , Oleg Nesterov , "Eric W. Biederman" , Al Viro , "Kirill A. Shutemov" , Peter Feiner , Grant Likely , Siddhesh Poyarekar , linux-kernel@vger.kernel.org, kernel-team@fb.com, Pavel Emelyanov Subject: Re: [RFC][PATCH v4] procfs: Always expose /proc//map_files/ and make it readable Message-ID: <20150310221727.GM30296@moon> References: <1421194829-28696-1-git-send-email-calvinowens@fb.com> <20150114152501.GB9820@node.dhcp.inet.fi> <20150114153323.GF2253@moon> <20150114204653.GA26698@mail.thefacebook.com> <20150114211613.GH2253@moon> <20150122024554.GB23762@mail.thefacebook.com> <20150124031544.GA1992748@mail.thefacebook.com> <20150212022910.GA3247638@mail.thefacebook.com> <20150214204009.GA1763278@mail.thefacebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150214204009.GA1763278@mail.thefacebook.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Feb 14, 2015 at 12:40:09PM -0800, Calvin Owens wrote: > Currently, /proc//map_files/ is restricted to CAP_SYS_ADMIN, and > is only exposed if CONFIG_CHECKPOINT_RESTORE is set. This interface is > very useful for enumerating the files mapped into a process when the > more verbose information in /proc//maps is not needed. It also > allows access to file descriptors for files that have been deleted and > closed but are still mmapped into a process, which can be very useful > for introspection and debugging. Guys, I'm really-really sorry for not replying the email that long. If I understand correctly all concerns were addressed, right?