From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751322AbWAQCki (ORCPT ); Mon, 16 Jan 2006 21:40:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751327AbWAQCki (ORCPT ); Mon, 16 Jan 2006 21:40:38 -0500 Received: from [198.99.130.12] ([198.99.130.12]:56495 "EHLO saraswathi.solana.com") by vger.kernel.org with ESMTP id S1751322AbWAQCki (ORCPT ); Mon, 16 Jan 2006 21:40:38 -0500 Date: Mon, 16 Jan 2006 22:32:27 -0500 From: Jeff Dike To: Blaisorblade Cc: user-mode-linux-devel@lists.sourceforge.net, akpm@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [uml-devel] [PATCH 9/11] UML - Implement soft interrupts Message-ID: <20060117033227.GB17171@ccure.user-mode-linux.org> References: <200601152139.k0FLdp1G027747@ccure.user-mode-linux.org> <200601170124.32076.blaisorblade@yahoo.it> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200601170124.32076.blaisorblade@yahoo.it> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 17, 2006 at 01:24:31AM +0100, Blaisorblade wrote: > ~25 %? Good! Which is delay vs. host? Delay vs a UML without the patch. > A curiosity - did you look at the similar code in Ingo Molnar's VCPU patch? > I never found the time to split it out and compare differencies. I just > remember it using assembler inserts for (maybe atomic) bitmask manipulations. It was separate from VCPU, but I never really looked at it since I already had this. Some day I will to see if there are any trick in it that I should use. Jeff