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From: Peter Zijlstra <peterz@infradead.org>
To: Daniel Bristot de Oliveira <bristot@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	Phil Auld <pauld@redhat.com>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Kate Carcia <kcarcia@redhat.com>,
	Jonathan Corbet <corbet@lwn.net>, Ingo Molnar <mingo@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Alexandre Chartre <alexandre.chartre@oracle.com>,
	Clark Willaims <williams@redhat.com>,
	John Kacur <jkacur@redhat.com>,
	Juri Lelli <juri.lelli@redhat.com>,
	Borislav Petkov <bp@alien8.de>, "H. Peter Anvin" <hpa@zytor.com>,
	x86@kernel.org, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH V5 12/14] trace: Protect tr->tracing_cpumask with get/put_online_cpus
Date: Fri, 25 Jun 2021 11:27:31 +0200	[thread overview]
Message-ID: <YNWhg2lpYaqGC0RD@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <38d2ef13b33c42fcf424a6213a27c8b5246548e0.1624372313.git.bristot@redhat.com>

On Tue, Jun 22, 2021 at 04:42:30PM +0200, Daniel Bristot de Oliveira wrote:
> +	get_online_cpus();
>  	cpumask_copy(tr->tracing_cpumask, tracing_cpumask_new);
> +	put_online_cpus();

I'm aware this patch will go the way of the Dodo; but for future
reference, these should be spelled: cpus_read_{,un}lock(). The old names
are still around, but I suppose we should do a cleanup of that some day.

  parent reply	other threads:[~2021-06-25  9:28 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-22 14:42 [PATCH V5 00/14] hwlat improvements and osnoise/timerlat tracers Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 01/14] trace/hwlat: Fix Clark's email Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 02/14] trace/hwlat: Implement the mode config option Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 03/14] trace/hwlat: Switch disable_migrate to mode none Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 04/14] trace/hwlat: Implement the per-cpu mode Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 05/14] trace: Add a generic function to read/write u64 values from tracefs Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 06/14] trace/hwlat: Use trace_min_max_param for width and window params Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 07/14] trace/hwlat: Remove printk from sampling loop Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 08/14] trace: Add __print_ns_to_secs() and __print_ns_without_secs() helpers Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 09/14] trace: Add osnoise tracer Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 10/14] trace: Add timerlat tracer Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 11/14] trace/hwlat: Protect kdata->kthread with get/put_online_cpus Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 12/14] trace: Protect tr->tracing_cpumask " Daniel Bristot de Oliveira
2021-06-24 21:39   ` Steven Rostedt
2021-06-25  4:34     ` Daniel Bristot de Oliveira
2021-06-25  9:27   ` Peter Zijlstra [this message]
2021-06-25  9:31     ` Sebastian Andrzej Siewior
2021-06-22 14:42 ` [PATCH V5 13/14] trace/hwlat: Support hotplug operations Daniel Bristot de Oliveira
2021-06-22 14:42 ` [PATCH V5 14/14] trace/osnoise: " Daniel Bristot de Oliveira

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