Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932778AbWHOOGE (ORCPT ); Tue, 15 Aug 2006 10:06:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932775AbWHOOGD (ORCPT ); Tue, 15 Aug 2006 10:06:03 -0400 Received: from mba.ocn.ne.jp ([210.190.142.172]:53222 "EHLO smtp.mba.ocn.ne.jp") by vger.kernel.org with ESMTP id S932778AbWHOOGB (ORCPT ); Tue, 15 Aug 2006 10:06:01 -0400 Date: Tue, 15 Aug 2006 23:07:41 +0900 (JST) Message-Id: <20060815.230741.41198421.anemo@mba.ocn.ne.jp> To: rjw@sisk.pl Cc: akpm@osdl.org, linux-kernel@vger.kernel.org Subject: Re: 2.6.18-rc4-mm1 From: Atsushi Nemoto In-Reply-To: <200608141954.29656.rjw@sisk.pl> References: <20060813012454.f1d52189.akpm@osdl.org> <200608141954.29656.rjw@sisk.pl> X-Fingerprint: 6ACA 1623 39BD 9A94 9B1A B746 CA77 FE94 2874 D52F X-Pgp-Public-Key: http://wwwkeys.pgp.net/pks/lookup?op=get&search=0x2874D52F X-Mailer: Mew version 3.3 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1162 Lines: 31 On Mon, 14 Aug 2006 19:54:29 +0200, "Rafael J. Wysocki" wrote: > simplify-update_times-avoid-jiffies-jiffies_64-aliasing-problem.patch > > makes my x86_64 SMP box (dual-core Athlon 64 on an ULi-based AsRock mobo) run > _very_ slow (it would take tens of minutes to boot the box if I were as > patient as to wait for that). > > Strangely enough, on a non-SMP box I have tested it on it works just fine. Oh, my fault. Could you retry with this patch? diff -urp linux-2.6.18-rc4-mm1.org/arch/x86_64/kernel/time.c linux-2.6.18-rc4-mm1/arch/x86_64/kernel/time.c --- linux-2.6.18-rc4-mm1.org/arch/x86_64/kernel/time.c 2006-08-13 22:59:27.000000000 +0900 +++ linux-2.6.18-rc4-mm1/arch/x86_64/kernel/time.c 2006-08-15 23:01:55.631372704 +0900 @@ -417,6 +417,8 @@ void main_timer_handler(struct pt_regs * if (lost > 0) handle_lost_ticks(lost, regs); + else + lost = 0; /* * Do the timer stuff. - 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/