From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Boqun Feng <boqun.feng@gmail.com>,
Vlastimil Babka <vbabka@suse.cz>, Marco Elver <elver@google.com>,
linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com,
linux-mm@kvack.org, sfr@canb.auug.org.au, longman@redhat.com,
cl@linux.com, penberg@kernel.org, rientjes@google.com,
iamjoonsoo.kim@lge.com, akpm@linux-foundation.org,
Tomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH 2/2] scftorture: Use a lock-less list to free memory.
Date: Thu, 7 Nov 2024 15:43:00 +0100 [thread overview]
Message-ID: <20241107144300.gbzCzBRf@linutronix.de> (raw)
In-Reply-To: <45725c86-d07f-4422-a6fd-c9f02744ac75@paulmck-laptop>
On 2024-11-07 06:08:35 [-0800], Paul E. McKenney wrote:
…
> This statement in scf_torture_cleanup() is supposed to wait for all
> outstanding IPIs:
>
> smp_call_function(scf_cleanup_handler, NULL, 0);
This should be
smp_call_function(scf_cleanup_handler, NULL, 1);
so it queues the function call and waits for its completion. Otherwise
it is queued and might be invoked _later_.
> And the scf_cleanup_handler() function is as follows:
>
> static void scf_cleanup_handler(void *unused)
> {
> }
>
> Does that work, or am I yet again being overly naive?
See above. I can send a patch later on if you have no other complains ;)
> Thanx, Paul
Sebastian
next prev parent reply other threads:[~2024-11-07 14:43 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-30 21:05 [BUG] -next lockdep invalid wait context Paul E. McKenney
2024-10-30 21:48 ` Vlastimil Babka
2024-10-30 22:34 ` Marco Elver
2024-10-30 23:04 ` Boqun Feng
2024-10-30 23:10 ` Paul E. McKenney
2024-10-31 7:21 ` Sebastian Andrzej Siewior
2024-10-31 7:35 ` Vlastimil Babka
2024-10-31 7:55 ` Sebastian Andrzej Siewior
2024-10-31 8:18 ` Vlastimil Babka
2024-11-01 17:14 ` Paul E. McKenney
2024-10-31 17:50 ` Paul E. McKenney
2024-11-01 19:50 ` Boqun Feng
2024-11-01 19:54 ` [PATCH] scftorture: Use workqueue to free scf_check Boqun Feng
2024-11-01 23:35 ` Paul E. McKenney
2024-11-03 3:35 ` Boqun Feng
2024-11-03 15:03 ` Paul E. McKenney
2024-11-04 10:50 ` [PATCH 1/2] scftorture: Move memory allocation outside of preempt_disable region Sebastian Andrzej Siewior
2024-11-04 10:50 ` [PATCH 2/2] scftorture: Use a lock-less list to free memory Sebastian Andrzej Siewior
2024-11-05 1:00 ` Boqun Feng
2024-11-07 11:21 ` Sebastian Andrzej Siewior
2024-11-07 14:08 ` Paul E. McKenney
2024-11-07 14:43 ` Sebastian Andrzej Siewior [this message]
2024-11-07 14:59 ` Paul E. McKenney
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