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Date: Wed, 4 Oct 2023 12:02:52 +0200
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Subject: Re: [PATCH V3] tracing/timerlat: Hotplug support for the user-space
 interface
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>,
 linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org
References: <a1bbd57692c1a59458c4ee99999b7f83a29bc3c5.1695999408.git.bristot@kernel.org>
 <20231003210309.4335307d@gandalf.local.home>
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From: Daniel Bristot de Oliveira <bristot@kernel.org>
In-Reply-To: <20231003210309.4335307d@gandalf.local.home>
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On 10/4/23 03:03, Steven Rostedt wrote:
> On Fri, 29 Sep 2023 17:02:46 +0200
> Daniel Bristot de Oliveira <bristot@kernel.org> wrote:
> 
>> The osnoise/per_cpu/CPU$/timerlat_fd is create for each possible
>> CPU, but it might create confusion if the CPU is not online.
>>
>> Create the file only for online CPUs, also follow hotplug by
>> creating and deleting as CPUs come and go.
>>
>> Fixes: e88ed227f639 ("tracing/timerlat: Add user-space interface")
> 
> Is this a fix that needs to go in now and Cc'd to stable? Or is this
> something that can wait till the next merge window?

We can wait for the next merge window... it is a non-trivial fix.

-- Daniel
> -- Steve