From: Thomas Gleixner <tglx@linutronix.de>
To: Paul Mundt <lethal@linux-sh.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Daniel Walker <dwalker@fifo99.com>,
Linus Walleij <linus.ml.walleij@gmail.com>,
Ingo Molnar <mingo@elte.hu>, Andrew Victor <linux@maxim.org.za>,
Haavard Skinnemoen <hskinnemoen@atmel.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-sh@vger.kernel.org,
linux-arm-kernel@lists.arm.linux.org.uk,
John Stultz <johnstul@linux.vnet.ibm.com>
Subject: Re: [PATCH] sched: Support current clocksource handling in fallback
Date: Thu, 28 May 2009 12:22:17 +0000 [thread overview]
Message-ID: <alpine.LFD.2.00.0905281417500.3397@localhost.localdomain> (raw)
In-Reply-To: <20090528110902.GA27884@linux-sh.org>
On Thu, 28 May 2009, Paul Mundt wrote:
> @@ -437,10 +441,19 @@ void clocksource_unregister(struct clocksource *cs)
> unsigned long flags;
>
> spin_lock_irqsave(&clocksource_lock, flags);
> +
> + if (sched_clocksource = cs) {
> + printk(KERN_WARNING "Refusing to unregister "
> + "scheduler clocksource %s", cs->name);
Hmm, isn't that dangerous ? The clocksource might be in a module or
in kmalloced memory which is going to be freed.
Thanks,
tglx
next prev parent reply other threads:[~2009-05-28 12:22 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-26 6:15 [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-26 14:31 ` [PATCH] sched: Support current clocksource handling in fallback Linus Walleij
2009-05-26 14:38 ` [PATCH] sched: Support current clocksource handling in Peter Zijlstra
2009-05-26 20:17 ` [PATCH] sched: Support current clocksource handling in fallback Thomas Gleixner
2009-05-26 23:08 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-26 23:13 ` Paul Mundt
2009-05-26 23:25 ` [PATCH] sched: Support current clocksource handling in john stultz
2009-05-26 23:44 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-27 0:18 ` [PATCH] sched: Support current clocksource handling in fallback Thomas Gleixner
2009-05-27 0:22 ` [PATCH] sched: Support current clocksource handling in john stultz
2009-05-27 0:26 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-27 1:09 ` [PATCH] sched: Support current clocksource handling in john stultz
2009-05-27 0:27 ` [PATCH] sched: Support current clocksource handling in fallback Thomas Gleixner
2009-05-26 23:49 ` Thomas Gleixner
2009-05-27 0:15 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-27 16:25 ` [PATCH] sched: Support current clocksource handling in Daniel Walker
2009-05-28 8:44 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-28 9:19 ` Paul Mundt
2009-05-28 9:34 ` [PATCH] sched: Support current clocksource handling in Peter Zijlstra
2009-05-28 11:09 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-28 12:22 ` Thomas Gleixner [this message]
2009-05-28 12:40 ` [PATCH] sched: Support current clocksource handling in Peter Zijlstra
2009-05-28 12:42 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-28 12:53 ` [PATCH] sched: Support current clocksource handling in fallback Thomas Gleixner
2009-05-28 12:59 ` [PATCH] sched: Support current clocksource handling in Peter Zijlstra
2009-05-28 13:20 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-28 16:13 ` [PATCH] sched: Support current clocksource handling in Daniel Walker
2009-05-28 16:32 ` Peter Zijlstra
2009-05-28 16:40 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-28 16:52 ` [PATCH] sched: Support current clocksource handling in Daniel Walker
2009-05-28 16:58 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-28 17:38 ` [PATCH] sched: Support current clocksource handling in Daniel Walker
2009-05-28 17:46 ` [PATCH] sched: Support current clocksource handling in fallback Thomas Gleixner
2009-05-28 17:53 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-28 18:10 ` [PATCH] sched: Support current clocksource handling in Daniel Walker
2009-05-28 18:27 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-28 19:04 ` [PATCH] sched: Support current clocksource handling in Daniel Walker
2009-05-28 19:34 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-28 19:41 ` [PATCH] sched: Support current clocksource handling in Daniel Walker
2009-05-28 23:37 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-28 18:44 ` [PATCH] sched: Support current clocksource handling in fallback Thomas Gleixner
2009-05-28 17:00 ` Thomas Gleixner
2009-05-28 17:07 ` [PATCH] sched: Support current clocksource handling in John Stultz
2009-05-26 20:23 ` john stultz
2009-05-26 20:30 ` Peter Zijlstra
2009-05-26 20:40 ` john stultz
2009-05-26 20:55 ` Peter Zijlstra
2009-05-26 23:00 ` john stultz
2009-05-26 23:24 ` [PATCH] sched: Support current clocksource handling in fallback Mangalampalli, JayantX
2009-05-27 0:04 ` Thomas Gleixner
2009-05-26 23:39 ` Thomas Gleixner
2009-05-27 6:58 ` [PATCH] sched: Support current clocksource handling in Peter Zijlstra
2009-05-26 20:39 ` [PATCH] sched: Support current clocksource handling in fallback Thomas Gleixner
2009-05-26 14:43 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-26 14:50 ` [PATCH] sched: Support current clocksource handling in Peter Zijlstra
2009-05-26 14:53 ` [PATCH] sched: Support current clocksource handling in fallback sched_clock() Paul Mundt
2009-05-26 15:02 ` [PATCH] sched: Support current clocksource handling in fallback Matthieu CASTET
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