From: Catalin Marinas <catalin.marinas@arm.com>
To: Milton Miller <miltonm@bga.com>
Cc: "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
Mike Galbraith <efault@gmx.de>,
Dimitri Sivanich <sivanich@sgi.com>,
Tony Luck <tony.luck@intel.com>,
Jan Beulich <JBeulich@novell.com>,
Peter Zijlstra <peterz@infradead.org>,
Anton Blanchard <anton@samba.org>,
"xiaoguangrong@cn.fujitsu.com" <xiaoguangrong@cn.fujitsu.com>,
"mingo@elte.hu" <mingo@elte.hu>,
"jaxboe@fusionio.com" <jaxboe@fusionio.com>,
"npiggin@gmail.com" <npiggin@gmail.com>,
"rusty@rustcorp.com.au" <rusty@rustcorp.com.au>,
"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>,
"paulmck@linux.vnet.ibm.com" <paulmck@linux.vnet.ibm.com>,
"benh@kernel.crashing.org" <benh@kernel.crashing.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/4 v3] smp_call_function_many: handle concurrent clearing of mask
Date: Tue, 15 Mar 2011 22:32:25 +0000 [thread overview]
Message-ID: <AANLkTinZX23QwpTN92RLAH6LkxgHZhawrL+dFXTzAs98@mail.gmail.com> (raw)
In-Reply-To: <smp-ipi-mask-clear-race-v3@mdm.bga.com>
On Tuesday, 15 March 2011, Milton Miller <miltonm@bga.com> wrote:
> Mike Galbraith reported finding a lockup ("perma-spin bug") where the
> cpumask passed to smp_call_function_many was cleared by other cpu(s)
> while a cpu was preparing its call_data block, resulting in no cpu to
> clear the last ref and unlock the block.
I missed your patch and just posted something similar. I'll leave it
to you then ;)
https://lkml.org/lkml/2011/3/15/296
Catalin
--
Catalin
next prev parent reply other threads:[~2011-03-15 22:32 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-12 4:07 [PATCH] smp_call_function_many SMP race Anton Blanchard
2011-01-17 18:17 ` Peter Zijlstra
2011-01-18 21:05 ` Milton Miller
2011-01-18 21:06 ` [PATCH 2/2] consolidate writes in smp_call_funtion_interrupt Milton Miller
2011-01-27 16:22 ` Peter Zijlstra
2011-01-27 21:59 ` Milton Miller
2011-01-29 0:20 ` call_function_many: fix list delete vs add race Milton Miller
2011-01-31 7:21 ` Mike Galbraith
2011-01-31 20:26 ` [PATCH] smp_call_function_many: handle concurrent clearing of mask Milton Miller
2011-02-01 3:15 ` Mike Galbraith
2011-01-31 10:27 ` call_function_many: fix list delete vs add race Peter Zijlstra
2011-01-31 20:26 ` Milton Miller
2011-01-31 20:39 ` Peter Zijlstra
2011-01-31 21:17 ` Peter Zijlstra
2011-01-31 21:36 ` Milton Miller
2011-02-01 0:22 ` Benjamin Herrenschmidt
2011-02-01 1:39 ` Linus Torvalds
2011-02-01 2:18 ` Paul E. McKenney
2011-02-01 2:43 ` Linus Torvalds
2011-02-01 4:45 ` Paul E. McKenney
2011-02-01 5:46 ` Linus Torvalds
2011-02-01 6:18 ` Benjamin Herrenschmidt
2011-02-01 14:13 ` Paul E. McKenney
2011-02-01 6:16 ` Benjamin Herrenschmidt
[not found] ` <ipi-list-reply@mdm.bga.com>
2011-02-01 7:12 ` [PATCH 1/3 v2] " Milton Miller
2011-02-01 22:00 ` Paul E. McKenney
2011-02-01 22:00 ` Milton Miller
2011-02-02 4:17 ` Paul E. McKenney
2011-02-06 23:51 ` Paul E. McKenney
2011-03-15 19:27 ` [PATCH 0/4 v3] smp_call_function_many issues from review Milton Miller
2011-03-15 20:22 ` Luck, Tony
2011-03-15 20:32 ` Dimitri Sivanich
2011-03-15 20:39 ` Peter Zijlstra
2011-03-16 17:55 ` Linus Torvalds
2011-03-16 18:13 ` Peter Zijlstra
2011-03-17 3:15 ` Mike Galbraith
2011-02-07 8:12 ` [PATCH 1/3 v2] call_function_many: fix list delete vs add race Mike Galbraith
2011-02-08 19:36 ` Paul E. McKenney
2011-08-21 6:17 ` Mike Galbraith
2011-02-02 6:22 ` Mike Galbraith
2011-02-01 7:12 ` [PATCH 2/3 v2] smp_call_function_many: handle concurrent clearing of mask Milton Miller
2011-03-15 19:27 ` [PATCH 1/4 v3] call_function_many: fix list delete vs add race Milton Miller
2011-03-15 19:27 ` [PATCH 2/4 v3] call_function_many: add missing ordering Milton Miller
2011-03-16 12:06 ` Paul E. McKenney
2011-03-15 19:27 ` [PATCH 4/4 v3] smp_call_function_interrupt: use typedef and %pf Milton Miller
2011-03-15 19:27 ` [PATCH 3/4 v3] smp_call_function_many: handle concurrent clearing of mask Milton Miller
2011-03-15 22:32 ` Catalin Marinas [this message]
2011-03-16 7:52 ` Jan Beulich
2011-01-18 21:07 ` [PATCH 1/2] smp_call_function_many SMP race Milton Miller
2011-01-20 0:41 ` Andrew Morton
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