From owner-svn-src-all@FreeBSD.ORG Sat Sep 11 09:40:09 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B4DD91065674; Sat, 11 Sep 2010 09:40:09 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-bw0-f54.google.com (mail-bw0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id D5A6B8FC0C; Sat, 11 Sep 2010 09:40:08 +0000 (UTC) Received: by bwz20 with SMTP id 20so3576790bwz.13 for ; Sat, 11 Sep 2010 02:39:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:message-id:date:from :user-agent:mime-version:to:cc:subject:references:in-reply-to :x-enigmail-version:content-type:content-transfer-encoding; bh=foy4OtDZmjfZFBXOSWEN4NQ/EaNoydxuhAiiC3I3dU8=; b=djftXEeE3ayWer3Cmvj+FyAce5qnPYSkBQsAHLfCELjJcZDr5XokBEhuxGI+VFTMjU qSyK0yXcVWP7yCuWp/TZ2A9GdtWLf8GAabl+LmnJKiRlpO1mH5Lj2LiHsi1fuYl6teG9 ynUSZkKRrP21NcvRNUKZzggU4pX7Qklskk17I= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=Ok8cvl4gqYQ/urKGJY1JKiphA1CbSCQy/NZnknwmjc0X1J24Q4F0glgIckJ4QMmXME rozJGjJRxJiEJUhVtsFkI4ck21eyWFzg59ga7vABDd/K6m2mwDdIFSG/iWuHz3sO9KdZ sRnucBIos933J7mZxRHdxyMXrGjukO1XFKJMw= Received: by 10.204.68.144 with SMTP id v16mr1361847bki.58.1284197970964; Sat, 11 Sep 2010 02:39:30 -0700 (PDT) Received: from mavbook2.mavhome.dp.ua (pc.mavhome.dp.ua [212.86.226.226]) by mx.google.com with ESMTPS id g12sm2732939bkb.2.2010.09.11.02.39.27 (version=SSLv3 cipher=RC4-MD5); Sat, 11 Sep 2010 02:39:28 -0700 (PDT) Sender: Alexander Motin Message-ID: <4C8B4E3E.1010401@FreeBSD.org> Date: Sat, 11 Sep 2010 12:39:10 +0300 From: Alexander Motin User-Agent: Thunderbird 2.0.0.23 (X11/20091212) MIME-Version: 1.0 To: Bruce Evans References: <201009110445.o8B4jpoW042563@svn.freebsd.org> <20100911192016.I1055@besplex.bde.org> In-Reply-To: <20100911192016.I1055@besplex.bde.org> X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r212453 - in head/sys: conf powerpc/aim powerpc/booke powerpc/include powerpc/powerpc X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Sep 2010 09:40:09 -0000 Bruce Evans wrote: > On Sat, 11 Sep 2010, Alexander Motin wrote: > >> Log: >> Update PowerPC event timer code to use new event timers infrastructure. > > What are the advantages of using the new event timers infrastructure? > Here it seems to only take longer and cost more (200 more lines of code). Same as of other architectures. Now mostly unification. With forthcoming one-shot timers patch it will also reduce interrupts in idle, plus reduce aliasing between hardclock and statclock. -- Alexander Motin