Re: [PATCH V3] tracing/timerlat: Hotplug support for the user-space interface

From: Daniel Bristot de Oliveira
Date: Wed Oct 04 2023 - 06:02:59 EST


On 10/4/23 03:03, Steven Rostedt wrote:
> On Fri, 29 Sep 2023 17:02:46 +0200
> Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> 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