Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759033AbYBFTmW (ORCPT ); Wed, 6 Feb 2008 14:42:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758558AbYBFTlw (ORCPT ); Wed, 6 Feb 2008 14:41:52 -0500 Received: from py-out-1112.google.com ([64.233.166.182]:18194 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758385AbYBFTlu (ORCPT ); Wed, 6 Feb 2008 14:41:50 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=Z6fAXg+AW6vjViBP+w3Orr2/tDu2s9Lf71VttgS3nGnFBt+v0PYdBgwMn5xqNcToErncScpKxL1o6e4geQ3sfkLlNZsDPVtIGuJIzzwfiliFxjSJyNAB2LFy/5jHnx1C9rUXb8BuwHtG05StbSATM/RuJKY1lPxf04i4GHNToQY= Message-ID: <3efb10970802061141x5fdecefao8f617265aed7cb6f@mail.gmail.com> Date: Wed, 6 Feb 2008 20:41:49 +0100 From: "Remy Bohmer" To: michael Subject: Re: [PATCH -mm v4 6/9] atmel_serial: Split the interrupt handler Cc: "Haavard Skinnemoen" , fabio@gandalf.sssup.it, "Andrew Victor" , "Chip Coldwell" , "Marc Pignat" , "David Brownell" , linux-kernel@vger.kernel.org, "Alan Cox" In-Reply-To: <47A9A5B5.3060800@gandalf.sssup.it> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080129224316.GA23155@gandalf.sssup.it> <20080130133659.55ebd828@dhcp-252-066.norway.atmel.com> <47A09723.7020000@gandalf.sssup.it> <20080130164631.7de4f6bd@dhcp-252-066.norway.atmel.com> <47A12A2E.5040309@gandalf.sssup.it> <20080131160721.6dddf30e@dhcp-252-066.norway.atmel.com> <3efb10970801311136y12670f12x6e4fdd44de3677b9@mail.gmail.com> <20080204133925.73733f5f@dhcp-252-066.norway.atmel.com> <3efb10970802041144j6b4e6893j293819238b5b82e8@mail.gmail.com> <47A9A5B5.3060800@gandalf.sssup.it> X-Google-Sender-Auth: b4fdbe6b7e8fc012 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1335 Lines: 43 Hello Michael, > the serial driver works fine. The problem seems to be related to the > tclib, when I use it as a clocksource. tclib as a clocksource should be no problem on Preempt-RT, do not use it as clockevent device, it will not work properly on preempt-rt on at91* yet, especially with the NO_HZ config. > The numbers of overruns depends on the type of > files too. It is possible? I am still very curious to your (RT-) thread-prio layout. The problems you mention can also be caused by a weird configuration of these threads on preempt-rt. Remy 2008/2/6, michael : > Hi, > > the serial driver works fine. The problem seems to be related to the > tclib, when I use > it as a clocksource. The numbers of overruns depends on the type of > files too. > It is possible? > > Regards > Michael > > > -- > 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/ > -- 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/