From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1DiyXr-0001w9-Mh for user-mode-linux-devel@lists.sourceforge.net; Thu, 16 Jun 2005 10:52:51 -0700 Received: from lakshmi.addtoit.com ([198.99.130.6] helo=lakshmi.solana.com) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.41) id 1DiyXq-0004BO-6V for user-mode-linux-devel@lists.sourceforge.net; Thu, 16 Jun 2005 10:52:51 -0700 From: Jeff Dike Subject: Re: [uml-devel] Recent patches of note Message-ID: <20050616174735.GB7532@ccure.user-mode-linux.org> References: <20050616160728.GA6040@ccure.user-mode-linux.org> <42B1B8B9.7070006@fujitsu-siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <42B1B8B9.7070006@fujitsu-siemens.com> Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Thu, 16 Jun 2005 13:47:35 -0400 To: Bodo Stroesser Cc: user-mode-linux-devel@lists.sourceforge.net On Thu, Jun 16, 2005 at 07:36:57PM +0200, Bodo Stroesser wrote: > Reading the patches > only the one that makes me worry is "dont-save-fpregs". > To not save fpregs on every syscall or interrupt is O.K. > But you also have to modify signal-handling, that currently relies on > fpregs being saved. And you have to save and restore fpregs in switch_to > for SKAS3 and also for SKAS0, if processes share the same mm. > Then, I think special handling is needed for the fpregs in copy_thread > and probably in execve also. Good points, I'll fix things accordingly. Jeff ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel