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Date:   Fri, 14 Feb 2020 09:53:03 -0800 (PST)
From:   David Miller <>
Subject: Re: [RFC patch 00/19] bpf: Make BPF and PREEMPT_RT co-exist

From: Thomas Gleixner <>
Date: Fri, 14 Feb 2020 14:39:17 +0100

> This is a follow up to the initial patch series which David posted a
> while ago:
> which was (while non-functional on RT) a good starting point for further
> investigations.

This looks really good after a cursory review, thanks for doing this week.

I was personally unaware of the pre-allocation rules for MAPs used by
tracing et al.  And that definitely shapes how this should be handled.

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