Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756593Ab0LRAUR (ORCPT ); Fri, 17 Dec 2010 19:20:17 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:43536 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756699Ab0LRAUO (ORCPT ); Fri, 17 Dec 2010 19:20:14 -0500 Date: Fri, 17 Dec 2010 16:19:38 -0800 From: Andrew Morton To: Alexander Gordeev Cc: linux-kernel@vger.kernel.org, "Nikita V\. Youshchenko" , linuxpps@ml.enneenne.com, Rodolfo Giometti Subject: Re: [PATCHv6 00/16] pps: several fixes and improvements Message-Id: <20101217161938.9247e433.akpm@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.0.2 (GTK+ 2.20.1; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 718 Lines: 15 On Fri, 17 Dec 2010 22:54:24 +0300 Alexander Gordeev wrote: > There is one problem however: kernel consumer works bad (if enabled) > when CONFIG_NO_HZ is enabled. The reason for this is commit > a092ff0f90cae22b2ac8028ecd2c6f6c1a9e4601. Without it hardpps() is able > to sync to 1us precision in about 10 seconds. With CONFIG_NO_HZ it is > not syncing at all. This only affects patches 12-14, others are ok. Is someone working on fixing all this? -- 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/