From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 0A8DF67B72 for ; Thu, 17 Aug 2006 09:38:35 +1000 (EST) Subject: Re: [RFC PATCH 1/4] powerpc 2.6.16-rt17: to build on powerpc w/ RT From: Benjamin Herrenschmidt To: john stultz In-Reply-To: <1155318983.5337.2.camel@localhost.localdomain> References: <17628.4499.609213.401518@cargo.ozlabs.ibm.com> <1155318983.5337.2.camel@localhost.localdomain> Content-Type: text/plain Date: Thu, 17 Aug 2006 01:38:07 +0200 Message-Id: <1155771487.11312.114.camel@localhost.localdomain> Mime-Version: 1.0 Cc: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, Paul Mackerras , mingo@elte.hu, tglx@linutronix.de List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > You might take a peek at the patch set here: > http://sr71.net/~jstultz/tod/ for a somewhat rough powerpc conversion to > CONFIG_GENERIC_TIME. Afaik, as-is, this patch will remove updating of the various bits used by the vDSO for userland gettimeofday without actually removing the vdso itself. Thus, with a recent glibc, it will break gettimeofday, clock_gettime, .... Pretty bad :) Ben. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751255AbWHPXiv (ORCPT ); Wed, 16 Aug 2006 19:38:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751256AbWHPXiv (ORCPT ); Wed, 16 Aug 2006 19:38:51 -0400 Received: from gate.crashing.org ([63.228.1.57]:6328 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S1751255AbWHPXiu (ORCPT ); Wed, 16 Aug 2006 19:38:50 -0400 Subject: Re: [RFC PATCH 1/4] powerpc 2.6.16-rt17: to build on powerpc w/ RT From: Benjamin Herrenschmidt To: john stultz Cc: Tsutomu OWA , linuxppc-dev@ozlabs.org, mingo@elte.hu, Paul Mackerras , linux-kernel@vger.kernel.org, tglx@linutronix.de In-Reply-To: <1155318983.5337.2.camel@localhost.localdomain> References: <17628.4499.609213.401518@cargo.ozlabs.ibm.com> <1155318983.5337.2.camel@localhost.localdomain> Content-Type: text/plain Date: Thu, 17 Aug 2006 01:38:07 +0200 Message-Id: <1155771487.11312.114.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > You might take a peek at the patch set here: > http://sr71.net/~jstultz/tod/ for a somewhat rough powerpc conversion to > CONFIG_GENERIC_TIME. Afaik, as-is, this patch will remove updating of the various bits used by the vDSO for userland gettimeofday without actually removing the vdso itself. Thus, with a recent glibc, it will break gettimeofday, clock_gettime, .... Pretty bad :) Ben.