From owner-freebsd-mobile@FreeBSD.ORG Mon May 11 12:22:10 2009 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 86ED2106564A; Mon, 11 May 2009 12:22:10 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from cmail.optima.ua (cmail.optima.ua [195.248.191.121]) by mx1.freebsd.org (Postfix) with ESMTP id 9F7958FC20; Mon, 11 May 2009 12:22:09 +0000 (UTC) (envelope-from mav@FreeBSD.org) X-Spam-Flag: SKIP X-Spam-Yversion: Spamooborona-2.1.0 Received: from [212.86.226.11] (account mav@alkar.net HELO mavbook.mavhome.dp.ua) by cmail.optima.ua (CommuniGate Pro SMTP 5.2.9) with ESMTPSA id 242430880; Mon, 11 May 2009 15:22:08 +0300 Message-ID: <4A081868.6010906@FreeBSD.org> Date: Mon, 11 May 2009 15:22:00 +0300 From: Alexander Motin User-Agent: Thunderbird 2.0.0.21 (X11/20090405) MIME-Version: 1.0 To: Tim Kientzle References: <49FE1826.4060000@FreeBSD.org> <4A07BC4D.7080604@freebsd.org> In-Reply-To: <4A07BC4D.7080604@freebsd.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: FreeBSD acpi , FreeBSD-Current , freebsd-mobile@freebsd.org Subject: Re: Fighting for the power. X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 May 2009 12:22:11 -0000 Tim Kientzle wrote: > I started to try the "hint.apic.0.clock", but noticed > in your commit r191720: > Alexander Motin wrote: >> Add hint.apic.0.clock tunable. Setting it 0 disables using >> LAPIC timers as hard-/stat-/profclock sources falling back >> to using i8254 and rtc timers. >> ... >> This technique is not working for SMP yet, as only one CPU >> receives timer interrupts. But I think that problem could >> be fixed by forwarding interrupts to other CPUs with IPI. > > Is anyone looking at this yet? I have implemented SMP support for i386 and amd64 in some of my later commits. -- Alexander Motin