Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262520AbVAUVcT (ORCPT ); Fri, 21 Jan 2005 16:32:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262511AbVAUVcS (ORCPT ); Fri, 21 Jan 2005 16:32:18 -0500 Received: from gprs214-177.eurotel.cz ([160.218.214.177]:47080 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S262514AbVAUVas (ORCPT ); Fri, 21 Jan 2005 16:30:48 -0500 Date: Fri, 21 Jan 2005 22:29:07 +0100 From: Pavel Machek To: Zwane Mwaikambo Cc: Tony Lindgren , George Anzinger , john stultz , Andrea Arcangeli , Con Kolivas , Martin Schwidefsky , linux-kernel@vger.kernel.org Subject: Re: [PATCH] dynamic tick patch Message-ID: <20050121212907.GB8780@elf.ucw.cz> References: <20050119000556.GB14749@atomide.com> <20050121174831.GE14554@atomide.com> <20050121185432.GC19551@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1168 Lines: 32 Hi! > > > > Sorry for the delay in replaying. Thanks for pointing that out, I > > > > don't know yet what to do with the local APIC timer. Have to look at > > > > more. > > > > > > Pavel does your test system have a Local APIC? If so that may also explain > > > why you didn't see a difference. > > > > My systems do have APICs, but I prefer them disabled :-). > > May i ask why? ;) Well, BIOSes tend to do strange stuff if you enter sleep state with APIC enabled, and APIC is harder to understand than plain old PIT. Leave APIC enabled, try to reboot it dies, etc. PIT may be slightly slower, but not having to debug APIC problems outweights that. Anyway I was wrong, I do have it enabled on my main system. Ok, it seems to work, so I'll probably leave it alone. Pavel -- People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl! - 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/