From: Thomas Gleixner <tglx@linutronix.de>
To: Tony Lindgren <tony@atomide.com>
Cc: akpm@osdl.org, heiko.carstens@de.ibm.com, johnstul@us.ibm.com,
rmk@arm.linux.org.uk, schwidefsky@de.ibm.com,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: + fix-next_timer_interrupt-for-hrtimer.patch added to -mm tree
Date: Tue, 28 Feb 2006 09:36:46 +0100 [thread overview]
Message-ID: <1141115806.5237.107.camel@localhost.localdomain> (raw)
In-Reply-To: <20060225185731.GA4294@atomide.com>
On Sat, 2006-02-25 at 10:57 -0800, Tony Lindgren wrote:
> > This is racy on SMP. nanosleep hrtimers are on the stack and can go away
> > due to a signal. posix timers can be removed and destroyed on another
> > CPU.
>
> This should be fixed. But just as a note, we can tolerate some removed
> timer values values as it would be just an extra timer interrupt.
The problem is not the removed timer. Its the reference to a destroyed
object you hold.
tglx
prev parent reply other threads:[~2006-02-28 8:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200602250219.k1P2JLqY018864@shell0.pdx.osdl.net>
2006-02-25 16:17 ` Thomas Gleixner
2006-02-25 18:57 ` Tony Lindgren
2006-02-28 3:29 ` Tony Lindgren
2006-02-28 9:05 ` Thomas Gleixner
2006-02-28 9:51 ` Tony Lindgren
2006-02-28 10:06 ` Thomas Gleixner
2006-02-28 19:34 ` Tony Lindgren
2006-02-28 8:36 ` Thomas Gleixner [this message]
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