From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754809AbYJBWYB (ORCPT ); Thu, 2 Oct 2008 18:24:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752705AbYJBWXw (ORCPT ); Thu, 2 Oct 2008 18:23:52 -0400 Received: from mx2.redhat.com ([66.187.237.31]:41985 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752906AbYJBWXw (ORCPT ); Thu, 2 Oct 2008 18:23:52 -0400 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 In-Reply-To: References: <20080924164826.14867.63020.stgit@warthog.procyon.org.uk> <1222426580.16700.258.camel@lappy.programming.kicks-ass.net> <1222431635.16700.278.camel@lappy.programming.kicks-ass.net> <29968.1222871650@redhat.com> To: Nicolas Pitre Cc: dhowells@redhat.com, Peter Zijlstra , torvalds@osdl.org, akpm@linux-foundation.org, linux-am33-list@redhat.com, lkml Subject: Re: [PATCH 1/2] MN10300: Move asm-arm/cnt32_to_63.h to include/linux/ Date: Thu, 02 Oct 2008 23:23:35 +0100 Message-ID: <1703.1222986215@redhat.com> From: David Howells Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Nicolas Pitre wrote: > Oh, that's a possibility. In that case __m_cnt_hi will be reverted to a > previous state just like if cnt32_to_63() has not been called yet since > the new half period. And a subsequent call will fix that again. Surely that's not good enough. There's a 50% chance that reversion to a previous state will result in an extra increment of the __m_cnt_hi on the next call. David