From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264371AbTDKPQV (for ); Fri, 11 Apr 2003 11:16:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264380AbTDKPQU (for ); Fri, 11 Apr 2003 11:16:20 -0400 Received: from 217-125-129-224.uc.nombres.ttd.es ([217.125.129.224]:27629 "HELO cocodriloo.com") by vger.kernel.org with SMTP id S264371AbTDKPQT (for ); Fri, 11 Apr 2003 11:16:19 -0400 Date: Fri, 11 Apr 2003 17:37:11 +0200 From: Antonio Vargas To: John Bradford Cc: Vikram Rangnekar , linux-kernel@vger.kernel.org Subject: Re: kernel hcking Message-ID: <20030411153711.GE25862@wind.cocodriloo.com> References: <20030411170709.A33459@freebsdcluster.dk> <200304111524.h3BFObYL001454@81-2-122-30.bradfords.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200304111524.h3BFObYL001454@81-2-122-30.bradfords.org.uk> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 11, 2003 at 04:24:37PM +0100, John Bradford wrote: > > I'm a kernel newbie and just wanted to know what do most kernel hackers do > > when working on the kernel say 2.5 when you make changes do u need to > > recompile the kernel and reboot the machine to test your small modification > > or do people use something like bochs. > > A lot of developers have multiple physical machines, which makes > testing various different kernels a lot easier. > > > Also every time you makes changes in the kernel it must be hell to > > recompile the whole thing > > If you are testing kernels on a separate machine to the one you are > compiling on, and therefore not rebooting, it's not much of a problem > - with enough RAM, most or all of the kernel source will be cached, > and you can compile a kernel in three to five minutes on a fast > machine. John, you mean a "make clean && make bzImage" takes you only about 4 minutes??? I would like to know more details about .config, machine specs, compiler and so on :) And no doubt having enough RAM to cache all the tree is really good :) Greets, Antonio.