From owner-svn-src-all@FreeBSD.ORG Mon Jan 13 19:15:13 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id A0F6F20D; Mon, 13 Jan 2014 19:15:13 +0000 (UTC) Received: from mail-ee0-x235.google.com (mail-ee0-x235.google.com [IPv6:2a00:1450:4013:c00::235]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 758A51E02; Mon, 13 Jan 2014 19:15:12 +0000 (UTC) Received: by mail-ee0-f53.google.com with SMTP id t10so390863eei.40 for ; Mon, 13 Jan 2014 11:15:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=WgybGeXpgpqekQhann3vZAXTJy61DmCU6KpMzCw+Gnk=; b=XF5OHJvQF5puffvdRvqB+9QHTjPM7DaTxoETlgxIZxByXTtHRFhweoPuqavL6cO7hg NDKnBqZ/uuBZ+8oixAphPFyPHeOkwja8I4P0MbDe48HpBnRc1Rz6gnYjteD0f7czxg2b 4847PrH+SAQyh0+4wof0VMUU4QvMW+ojrIsENHXp2M9YtjWyz9bpzkXHzt27xt8RATJw ckcMJyI3jCwsMShJsyGY6jgm3l+cCOGfbZ2bfUg5STBtoWSaASkQCB6idFLkcRp4yb4W gsEclUiloUokkUF6YxHcWyKU49m7Csbs9Jlemka4pyQsF6D9rrp4AqKl2rTuA8VWaQm1 z4Uw== X-Received: by 10.14.172.69 with SMTP id s45mr29775421eel.9.1389640510854; Mon, 13 Jan 2014 11:15:10 -0800 (PST) Received: from mavbook.mavhome.dp.ua ([134.249.139.101]) by mx.google.com with ESMTPSA id m47sm5496990eey.7.2014.01.13.11.15.08 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 13 Jan 2014 11:15:09 -0800 (PST) Sender: Alexander Motin Message-ID: <52D43B3A.9090808@FreeBSD.org> Date: Mon, 13 Jan 2014 21:15:06 +0200 From: Alexander Motin User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Alexey Dokuchaev Subject: Re: svn commit: r260474 - stable/9/sys/x86/cpufreq References: <201401091045.s09AjcFi083701@svn.freebsd.org> <20140113142347.GA96299@FreeBSD.org> In-Reply-To: <20140113142347.GA96299@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: svn-src-stable@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, svn-src-stable-9@freebsd.org X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.17 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: Mon, 13 Jan 2014 19:15:13 -0000 On 13.01.2014 16:23, Alexey Dokuchaev wrote: > On Thu, Jan 09, 2014 at 10:45:38AM +0000, Alexander Motin wrote: >> New Revision: 260474 >> URL: http://svnweb.freebsd.org/changeset/base/260474 >> >> Log: >> MFC r259197: >> Do not DELAY() for P-state transition unless we want to see the result. >> >> Intel manual says: "If a transition is already in progress, transition to >> a new value will subsequently take effect. Reads of IA32_PERF_CTL determine >> the last targeted operating point." So seems it should be fine to just >> trigger wanted transition and go. Linux does the same. >> >> Modified: >> stable/9/sys/x86/cpufreq/est.c > > It looks like stable/8 can also benefit from this commit. Mind making one? Done. -- Alexander Motin