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Message-Id: <1250533487.2709.14.camel@josh-work.beaverton.ibm.com> Date: Mon, 17 Aug 2009 11:24:47 -0700 From: Josh Triplett <josht@...ux.vnet.ibm.com> To: paulmck@...ux.vnet.ibm.com Cc: linux-kernel@...r.kernel.org, mingo@...e.hu, laijs@...fujitsu.com, dipankar@...ibm.com, akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca, dvhltc@...ibm.com, niv@...ibm.com, tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org, hugh.dickins@...cali.co.uk, benh@...nel.crashing.org Subject: Re: [PATCH -tip/core/rcu 1/6] Cleanups and fixes for RCU in face of heavy CPU-hotplug stress On Sat, 2009-08-15 at 09:51 -0700, Paul E. McKenney wrote: > These pass tests combining rcutorture and continuous CPU-hotplug > operations, in other words, no sleeping between successive CPU-hotplug > operations. This set does not fix the bug involving deadlocks through > rcutorture, kthread_stop(), and migration threads. However, this bug > does not affect production systems, so should not stand in the way of > applying these patches. Commit 63706172f332fd3f6e7458ebfb35fa6de9c21dc5, "kthreads: rework kthread_stop()", looks like it fixes kthread_stop to work concurrently. That may fix the issue you observed. - Josh Triplett -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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