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From: Paul Mackerras <paulus@samba.org>
To: Jake Moilanen <moilanen@austin.ibm.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH][RFC] Spinlock-timeout
Date: Sun, 6 Jun 2004 20:13:27 +1000	[thread overview]
Message-ID: <16578.60999.549131.220484@cargo.ozlabs.ibm.com> (raw)
In-Reply-To: <1086467486.20906.59.camel@dhcp-client215.upt.austin.ibm.com>

Jake Moilanen writes:

> Here's a patch that will BUG() when a spinlock is held for longer then X
> seconds.  It is useful for catching deadlocks since not all archs have a
> NMI watchdog.  
[snip]
> +		if (jiffies >= jiffy_timeout) 
> +		        BUG();

Don't you need to use time_after()?

Regards,
Paul.

  parent reply	other threads:[~2004-06-06 10:13 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-05 20:31 Jake Moilanen
2004-06-05 20:51 ` Jan-Benedict Glaw
2004-06-10 18:44   ` Jake Moilanen
2004-06-10 19:24     ` Jan-Benedict Glaw
2004-06-10 21:00       ` Randy.Dunlap
2004-06-06 10:13 ` Paul Mackerras [this message]
2004-06-06 22:23 ` Benjamin Herrenschmidt
2004-06-11 14:05   ` Jake Moilanen
2004-06-11 15:49     ` Benjamin Herrenschmidt
2004-06-11 21:19       ` moilanen
2004-06-11 22:08         ` Benjamin Herrenschmidt
2004-06-14 13:12           ` Jake Moilanen
2004-06-11 21:22       ` moilanen
2004-06-11 22:09         ` Benjamin Herrenschmidt
2004-06-14 13:13           ` Jake Moilanen
2004-06-11 14:08   ` Jake Moilanen

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