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From: Breno Leitao <leitao@debian.org>
To: Dmitry Ilvokhin <d@ilvokhin.com>
Cc: paulmck@kernel.org, linux-kernel@vger.kernel.org,
	 Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@kernel.org>,
	 Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	kernel-team@meta.com, Thomas Gleixner <tglx@kernel.org>
Subject: Re: [PATCH] locking/csd-lock: Report how long a stuck CSD lock took to recover
Date: Fri, 7 Aug 2026 06:16:33 -0700	[thread overview]
Message-ID: <anXZyyMve3uVqnEm@gmail.com> (raw)
In-Reply-To: <anW6EcABJdRFbvu7@shell.ilvokhin.com>

On Fri, Aug 07, 2026 at 10:57:21AM +0000, Dmitry Ilvokhin wrote:
> On Wed, Aug 05, 2026 at 05:51:54AM -0700, Breno Leitao wrote:
> > -static bool csd_lock_wait_toolong(call_single_data_t *csd, u64 ts0, u64 *ts1, int *bug_id, unsigned long *nmessages)
> > +static bool csd_lock_wait_toolong(call_single_data_t *csd, u64 ts0, u64 *ts1, u64 *ts_resend,
> > +				  int *bug_id, unsigned long *nmessages)
> 
> nit: csd_lock_wait_toolong() has too many arguments now to my liking.
> This was already a bit awkward before, maybe it is time for a small
> clean up. Does it make sense to pack timestamps, bug_id and nmessages
> into a struct and pass it around instead?

I would say so. Also, those parameters (tsX) were a bit hard to
understand, and when I create the other function, I've tried to keep it
a bit more sane (ts_start, ts_unstuck, ts_resend) instead of tsX. 

> That could go in as a separate cleanup ahead of this one.

I am more than happy to do it. Let's see what Paul says.

> Other than that, it looks reasonable to me.
> 
> With or without that:
> 
> Reviewed-by: Dmitry Ilvokhin <d@ilvokhin.com>

Thanks for the review,
--breno

  reply	other threads:[~2026-08-07 13:16 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-05 12:51 [PATCH] locking/csd-lock: Report how long a stuck CSD lock took to recover Breno Leitao
2026-08-07 10:57 ` Dmitry Ilvokhin
2026-08-07 13:16   ` Breno Leitao [this message]
2026-08-07 23:14     ` Paul E. McKenney

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