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From: Eduard Zingerman <eddyz87@gmail.com>
To: Alan Maguire <alan.maguire@oracle.com>, andrii@kernel.org
Cc: acme@redhat.com, ast@kernel.org, daniel@iogearbox.net,
	jolsa@kernel.org, martin.lau@linux.dev, song@kernel.org,
	yonghong.song@linux.dev,  john.fastabend@gmail.com,
	kpsingh@kernel.org, sdf@google.com, haoluo@google.com,
	 mcgrof@kernel.org, masahiroy@kernel.org, nathan@kernel.org,
	mykolal@fb.com,  thinker.li@gmail.com, bentiss@kernel.org,
	tanggeliang@kylinos.cn, bpf <bpf@vger.kernel.org>
Subject: Re: [PATCH bpf-next 5/5] selftests/bpf: add kfunc_call test for simple dtor in bpf_testmod
Date: Thu, 20 Jun 2024 04:02:45 -0700	[thread overview]
Message-ID: <15ddc0d1b411d5e3dec867fc3f4df2bc14bb09d3.camel@gmail.com> (raw)
In-Reply-To: <fd9268b8-994b-4b4f-a4bb-d5852c823152@oracle.com>

On Thu, 2024-06-20 at 10:17 +0100, Alan Maguire wrote:

[...]

> I explored this further. Even adding a separate skeleton with tracing
> prog to catch release is insufficient because the map free is deferred
> and the test can have already run by the time the deferred map free is
> called. Whatever mechanism we use to detect release would be subject to
> the timing of that it seems. This seems like a recipe for a flaky test
> and I'd rather not add sleeps etc so I've stuck with the current
> approach which exercises the dtor codepaths but doesn't verify release.
> Thanks!

Makes sense, thank you for taking a look.

  reply	other threads:[~2024-06-20 11:02 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240618160454.801527-1-alan.maguire@oracle.com>
     [not found] ` <20240618160454.801527-6-alan.maguire@oracle.com>
     [not found]   ` <4321b99db5b362e278b1f37d6bd9b9a43d859d63.camel@gmail.com>
     [not found]     ` <76509fc5411e35a4820c333abca155b3fa4e5b84.camel@gmail.com>
2024-06-19 16:45       ` [PATCH bpf-next 5/5] selftests/bpf: add kfunc_call test for simple dtor in bpf_testmod Alan Maguire
2024-06-19 16:54         ` Eduard Zingerman
2024-06-19 17:42           ` Alan Maguire
2024-06-19 20:12             ` Eduard Zingerman
2024-06-20  9:17               ` Alan Maguire
2024-06-20 11:02                 ` Eduard Zingerman [this message]
2024-06-18 16:24 [PATCH bpf-next 0/5] bpf: resilient split BTF followups Alan Maguire
2024-06-18 16:24 ` [PATCH bpf-next 5/5] selftests/bpf: add kfunc_call test for simple dtor in bpf_testmod Alan Maguire

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