From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Date: Fri, 14 Mar 2003 14:48:59 +0000 Subject: Re: [Linux-ia64] Re: [BUG] nanosleep() granularity bumps up in 2.5.64 (was: [PATCH] settimeofday() n Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Fri, Mar 14, 2003 at 03:34:36PM +0100, Eric Piel wrote: > I think lines like that from patch-2.5.64 are very suspicious to be > related to the bug: > + base->timer_jiffies = INITIAL_JIFFIES; > + base->tv1.index = INITIAL_JIFFIES & TVR_MASK; > + base->tv2.index = (INITIAL_JIFFIES >> TVR_BITS) & TVN_MASK; > + base->tv3.index = (INITIAL_JIFFIES >> (TVR_BITS+TVN_BITS)) & TVN_MASK; > + base->tv4.index = (INITIAL_JIFFIES >> (TVR_BITS+2*TVN_BITS)) & > TVN_MASK; > + base->tv5.index = (INITIAL_JIFFIES >> (TVR_BITS+3*TVN_BITS)) & > TVN_MASK; No, I don't think so. Those lines are for starting `jiffies' at a very high number so we spot jiffie-wrap bugs early on. -- "It's not Hollywood. War is real, war is primarily not about defeat or victory, it is about death. I've seen thousands and thousands of dead bodies. Do you think I want to have an academic debate on this subject?" -- Robert Fisk