From: Matthew Wilcox <willy@debian.org>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] Re: [BUG] nanosleep() granularity bumps up in 2.5.64 (was: [PATCH] settimeofday() n
Date: Fri, 14 Mar 2003 14:48:59 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590709806095@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590709806094@msgid-missing>
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
next prev parent reply other threads:[~2003-03-14 14:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-14 14:34 [Linux-ia64] Re: [BUG] nanosleep() granularity bumps up in 2.5.64 (was: [PATCH] Eric Piel
2003-03-14 14:48 ` Matthew Wilcox [this message]
2003-03-14 19:29 ` David Mosberger
2003-03-17 7:45 ` [Linux-ia64] Re: [BUG] nanosleep() granularity bumps up in 2.5.64 (was: [PATCH] settimeofday() n Vitezslav Samel
2003-03-17 13:55 ` [Linux-ia64] Re: [BUG] nanosleep() granularity bumps up in 2.5.64 Tim Schmielau
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