Re: [RFC PATCH v3 00/15] context_tracking,x86: Defer some IPIs until a user->kernel transition

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On 19/11/24 11:45, Steven Rostedt wrote:
> On Tue, 19 Nov 2024 16:34:47 +0100
> Valentin Schneider <vschneid@xxxxxxxxxx> wrote:
>
>> Context
>> =======
>> 
>> We've observed within Red Hat that isolated, NOHZ_FULL CPUs running a
>> pure-userspace application get regularly interrupted by IPIs sent from
>> housekeeping CPUs. Those IPIs are caused by activity on the housekeeping CPUs
>> leading to various on_each_cpu() calls, e.g.:
>
> FYI,
>
> Sending a patch series at the start of the merge window is likely going to
> get ignored.
>
> Care to resend after rc1 is released? Or at least ping about it.
>

Heh, I was so far down "stop rewriting changelogs for the Nth time, get it
in a decent shape and send it out" that I forgot about this "small little
detail". Thanks for the reminder.





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