Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753404AbYCVHPU (ORCPT ); Sat, 22 Mar 2008 03:15:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752519AbYCVHPF (ORCPT ); Sat, 22 Mar 2008 03:15:05 -0400 Received: from one.firstfloor.org ([213.235.205.2]:58089 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754025AbYCVHPE (ORCPT ); Sat, 22 Mar 2008 03:15:04 -0400 Date: Sat, 22 Mar 2008 08:17:55 +0100 From: Andi Kleen To: Ulrich Drepper Cc: Andi Kleen , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH prototype] [0/8] Predictive bitmaps for ELF executables Message-ID: <20080322071755.GP2346@one.firstfloor.org> References: <20080318095715.27120788.akpm@linux-foundation.org> <20080318172045.GI11966@one.firstfloor.org> <20080318104437.966c10ec.akpm@linux-foundation.org> <20080319083228.GM11966@one.firstfloor.org> <20080319020440.80379d50.akpm@linux-foundation.org> <20080320090005.GA25734@one.firstfloor.org> <20080321172644.GG2346@one.firstfloor.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 928 Lines: 25 On Fri, Mar 21, 2008 at 09:36:51PM -0700, Ulrich Drepper wrote: > On Fri, Mar 21, 2008 at 10:26 AM, Andi Kleen wrote: > > Concrete suggestions please. > > I already spelled it out. Add a new program header entry, point it to > a bit array large enough to cover all loadable segments. Ah that's easy, the program header is already supported in the kernel code (PT_PRESENT_BITMAP) The additional SHDR is just there for easier testing/migration. > > It is not worth creating problems with this invalid extension just for You still didn't say why it was invalid. Anyways I disagree on the value of supporting old binaries. I believe it is important. -Andi -- 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/