From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 59405 invoked by alias); 12 Mar 2015 17:45:40 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 59393 invoked by uid 89); 12 Mar 2015 17:45:39 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS,T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Thu, 12 Mar 2015 17:45:34 +0000 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t2CHjVeo002061 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 12 Mar 2015 13:45:31 -0400 Received: from localhost (dhcp-10-15-16-169.yyz.redhat.com [10.15.16.169]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t2CHjUEj006875 (version=TLSv1/SSLv3 cipher=AES128-GCM-SHA256 bits=128 verify=NO); Thu, 12 Mar 2015 13:45:30 -0400 From: Sergio Durigan Junior To: Oleg Nesterov Cc: Andy Lutomirski , Jan Kratochvil , GDB Patches , Pedro Alves , "linux-kernel\@vger.kernel.org" Subject: Re: vvar, gup && coredump References: <878ufc9kau.fsf@redhat.com> <20150305154827.GA9441@host1.jankratochvil.net> <87zj7r5fpz.fsf@redhat.com> <20150305205744.GA13165@host1.jankratochvil.net> <20150311200052.GA22654@redhat.com> <20150312143438.GA4338@redhat.com> <20150312165423.GA10073@redhat.com> <20150312173901.GA12225@redhat.com> X-URL: http://blog.sergiodj.net Date: Thu, 12 Mar 2015 17:45:00 -0000 In-Reply-To: <20150312173901.GA12225@redhat.com> (Oleg Nesterov's message of "Thu, 12 Mar 2015 18:39:01 +0100") Message-ID: <874mpqp0sm.fsf@redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-IsSubscribed: yes X-SW-Source: 2015-03/txt/msg00358.txt.bz2 On Thursday, March 12 2015, Oleg Nesterov wrote: >> gdb will still need changes, though, right? > > This is up to gdb developers. To me, it should simply skip this > VM_DONTDUMP vma. If I understood this discussion correctly (and thanks Andy and Oleg for, *ahem*, dumping all this useful information for us!), GDB will not need modifications in the Linux kernel in this area. In fact, my patch already implements the "ignore VM_DONTDUMP mappings" part, so we're pretty much covered. Thanks, -- Sergio GPG key ID: 0x65FC5E36 Please send encrypted e-mail if possible http://sergiodj.net/