linux-kernel - Re: [PATCH trace/for-next 3/3] bpf: ensure RCU Tasks Trace GP for sleepable raw tracepoint BPF links

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Message-ID: <CAEf4BzZXJdsiUXbm+xGADF6qG2aONgDCq99i99NkK-XW0GB6zg@mail.gmail.com>
Date: Fri, 1 Nov 2024 10:53:13 -0700
From: Andrii Nakryiko <andrii.nakryiko@...il.com>
To: Jordan Rife <jrife@...gle.com>
Cc: Andrii Nakryiko <andrii@...nel.org>, linux-trace-kernel@...r.kernel.org, 
	bpf@...r.kernel.org, rostedt@...dmis.org, ast@...nel.org, 
	daniel@...earbox.net, martin.lau@...nel.org, mathieu.desnoyers@...icios.com, 
	linux-kernel@...r.kernel.org, mhiramat@...nel.org, peterz@...radead.org, 
	paulmck@...nel.org
Subject: Re: [PATCH trace/for-next 3/3] bpf: ensure RCU Tasks Trace GP for
 sleepable raw tracepoint BPF links

On Fri, Nov 1, 2024 at 8:03 AM Jordan Rife <jrife@...gle.com> wrote:
>
> Just to confirm, I ran the reproducer from [1] after combining this
> series with Mathieu's from [2] and it ran for 20m with no issues.
>
> [1]: https://lore.kernel.org/bpf/67121037.050a0220.10f4f4.000f.GAE@google.com/
> [2]: https://lore.kernel.org/bpf/20241031152056.744137-1-mathieu.desnoyers@efficios.com/T/#u
>
> Tested-by: Jordan Rife <jrife@...gle.com>


Great, thank you, Jordan! I was going to ask you specifically to
double-check, as I couldn't repro the original issue locally with my
setup (and I was too lazy to mess with custom images and stuff).

I need to send a fixed up v2, I'll add your tested-by.