From: Peter Zijlstra <peterz@infradead.org>
To: "Paul E. McKenney" <paulmck@kernel.org>
Cc: stern@rowland.harvard.edu, parri.andrea@gmail.com,
will@kernel.org, boqun.feng@gmail.com, npiggin@gmail.com,
dhowells@redhat.com, j.alglave@ucl.ac.uk, luc.maranget@inria.fr,
akiyks@gmail.com, dlustig@nvidia.com, joel@joelfernandes.org,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
andriin@fb.com
Subject: Re: Some -serious- BPF-related litmus tests
Date: Fri, 22 May 2020 11:44:07 +0200 [thread overview]
Message-ID: <20200522094407.GK325280@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200522003850.GA32698@paulmck-ThinkPad-P72>
On Thu, May 21, 2020 at 05:38:50PM -0700, Paul E. McKenney wrote:
> Hello!
>
> Just wanted to call your attention to some pretty cool and pretty serious
> litmus tests that Andrii did as part of his BPF ring-buffer work:
>
> https://lore.kernel.org/bpf/20200517195727.279322-3-andriin@fb.com/
>
> Thoughts?
I find:
smp_wmb()
smp_store_release()
a _very_ weird construct. What is that supposed to even do?
next prev parent reply other threads:[~2020-05-22 9:44 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-22 0:38 Some -serious- BPF-related litmus tests Paul E. McKenney
2020-05-22 9:44 ` Peter Zijlstra [this message]
2020-05-22 10:56 ` Paul E. McKenney
2020-05-22 14:36 ` Alan Stern
2020-05-22 17:45 ` Paul E. McKenney
2020-05-22 14:32 ` Alan Stern
2020-05-22 17:43 ` Paul E. McKenney
2020-05-22 19:38 ` Andrii Nakryiko
2020-05-24 12:09 ` Akira Yokosawa
2020-05-25 18:31 ` Andrii Nakryiko
2020-05-25 22:01 ` Akira Yokosawa
2020-05-25 23:31 ` Andrii Nakryiko
2020-05-26 10:50 ` Akira Yokosawa
2020-05-26 14:02 ` Akira Yokosawa
2020-05-26 20:19 ` Andrii Nakryiko
2020-05-26 23:00 ` Akira Yokosawa
2020-05-27 0:09 ` Andrii Nakryiko
2020-05-26 20:15 ` Andrii Nakryiko
2020-05-26 22:23 ` Akira Yokosawa
2020-05-25 11:25 ` Peter Zijlstra
2020-05-25 15:47 ` Paul E. McKenney
2020-05-25 17:02 ` Peter Zijlstra
2020-05-25 17:21 ` Paul E. McKenney
2020-05-25 17:45 ` Paul E. McKenney
2020-05-28 22:00 ` Joel Fernandes
2020-05-28 22:16 ` Peter Zijlstra
2020-05-29 5:14 ` Andrii Nakryiko
2020-05-29 12:36 ` Peter Zijlstra
2020-05-29 20:01 ` Andrii Nakryiko
2020-05-29 20:53 ` Peter Zijlstra
2020-05-25 14:53 ` Boqun Feng
2020-05-25 18:38 ` Andrii Nakryiko
2020-05-28 21:48 ` Joel Fernandes
2020-05-29 4:38 ` Andrii Nakryiko
2020-05-29 17:23 ` Joel Fernandes
2020-05-29 20:10 ` Andrii Nakryiko
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