linux-kernel - Re: [patch] rt: fix ipi kfree(), introduce IPI

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Message-ID: <20090212082751.GA29856@elte.hu>
Date:	Thu, 12 Feb 2009 09:27:51 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Thomas Gleixner <tglx@...x.de>,
	LKML <linux-kernel@...r.kernel.org>,
	rt-users <linux-rt-users@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Carsten Emde <ce@...g.ch>, Clark Williams <williams@...hat.com>
Subject: Re: [patch] rt: fix ipi kfree(), introduce IPI_SOFTIRQ


* Ingo Molnar <mingo@...e.hu> wrote:

> * Ingo Molnar <mingo@...e.hu> wrote:
> 
> > hm, that's a complex one - we do kfree() from IPI context, [...]
> 
> The patch below might do the trick - it offloads this to a softirq.
> Not tested yet.

ok, it's lightly tested now: it built and booted up fine to X with your config.

	Ingo
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