Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756847AbYFYMZq (ORCPT ); Wed, 25 Jun 2008 08:25:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754335AbYFYMZi (ORCPT ); Wed, 25 Jun 2008 08:25:38 -0400 Received: from rv-out-0506.google.com ([209.85.198.226]:11540 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754113AbYFYMZh (ORCPT ); Wed, 25 Jun 2008 08:25:37 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=f9KXuiLR280xMOtNfnyv4MtG1CRkHGhM8N3cUMwWKxCAWBAzIw/luEcL5OTb8LLAtQ Yf70d9XrouSYeyvy1RyAf+B3h8KOrPEfGSXBIqoNHWOR8NEmXV1DRhlCRUECC1+/tsIj IQv1I50y/lvuhICm83hV0uDCYA1vnEma6a3FY= Message-ID: Date: Wed, 25 Jun 2008 14:25:36 +0200 From: "Michael Kerrisk" To: "Thomas Gleixner" Subject: Re: When did High-Resolution Timers hit mainline? Cc: "Ingo Molnar" , lkml , "Roman Zippel" , "john stultz" , "Bart Van Assche" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1179 Lines: 29 On Wed, Jun 25, 2008 at 2:22 PM, Thomas Gleixner wrote: > On Wed, 25 Jun 2008, Michael Kerrisk wrote: >> > Hmm, that's a bit backwards. We changed the internal handling of those >> > interfaces to hrtimers in 2.6.16, but the accuracy is still jiffies >> > unless you have CONFIG_HIGH_RES_TIMERS enabled (which is only possible >> > as of 2.6.21) and your system provides the necessary hardware. >> >> So then it's simply enough to say: >> >> Since Linux 2.6.17, Linux optionaly supports high-resolution timers >> (configurable via CONFIG_HIGH_RES_TIMERS). >> >> right? > > Make this 2.6.21 :) D'oh! Yes of course. Fingers were working, but Mr. Brain had long since departed... -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html Found a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html -- 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/