From owner-freebsd-current@FreeBSD.ORG Mon Jun 25 07:42:37 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5D34F16A421 for ; Mon, 25 Jun 2007 07:42:37 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.188]) by mx1.freebsd.org (Postfix) with ESMTP id E69B913C458 for ; Mon, 25 Jun 2007 07:42:36 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: by nf-out-0910.google.com with SMTP id b2so52047nfb for ; Mon, 25 Jun 2007 00:42:35 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:reply-to:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding:sender; b=ZEedhW3ZkwV50EjTwkaZlR/6uUl5uWYU7cs9WDF3hMKMwP0hAhzfLe/nj8eH55Sz/tHU+FjralCWe2gJ3TW83fwrQJtPyXJfvLaQm5UQvH5K1YYjgryKy6QxTwADjtRonhbOWczvKliNdMmPSDFerIeOzC1G6vMu4SKb5XNo/QE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:reply-to:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding:sender; b=LDTCsSSveVSFAyE5apSSpsIIMRoNZWHZfwNHmcr0A5iLKwNyFn/3yhZVnUKXpA7kU3GjDcN5TNSyL62eVS7gfPDaDsyPKdRG7nQfs1cPlRNOVlbn7kb/Z39zQlS/umkUsl2GIj4Uf856tLuQsPZdWS90fSfcw77rZr7Z6me6ISE= Received: by 10.82.182.1 with SMTP id e1mr11953888buf.1182757355576; Mon, 25 Jun 2007 00:42:35 -0700 (PDT) Received: from ?151.75.242.254? ( [151.75.242.254]) by mx.google.com with ESMTP id d26sm19492964nfh.2007.06.25.00.42.34 (version=TLSv1/SSLv3 cipher=RC4-MD5); Mon, 25 Jun 2007 00:42:35 -0700 (PDT) Message-ID: <467F71CA.2030206@FreeBSD.org> Date: Mon, 25 Jun 2007 09:42:02 +0200 From: Attilio Rao User-Agent: Thunderbird 1.5 (X11/20060526) MIME-Version: 1.0 To: Abdullah Ibn Hamad Al-Marri References: <499c70c0706241546j1b1e62a0ldb51ef1e13c15386@mail.gmail.com> In-Reply-To: <499c70c0706241546j1b1e62a0ldb51ef1e13c15386@mail.gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: Attilio Rao Cc: freebsd-current@freebsd.org Subject: Re: options IPI_PREEMPTION and PREEMPTION in 7.0 AMD64 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: attilio@FreeBSD.org List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jun 2007 07:42:37 -0000 Abdullah Ibn Hamad Al-Marri wrote: > Hello, > > I run FreeBSD 7.0 AMD64 and powered by C2D with 2 GB of ram. > > options PREEMPTION in the kernel, but in NOTES it says I can use > IPI_PREEMPTION to make the kernel make the other running threads to > run in the other core. > > So the question is, did you guys try it with ULE 2? shall I keep both > PREEMPTION and IPI_PREEMPTION in the kernel file? IPI_PREEMPTION and PREEMPTION are only marginally linked, and you need to use both with ULE. Thanks, Attilio