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From: Martin Lau <kafai@fb.com>
To: Lorenz Bauer <lmb@cloudflare.com>
Cc: Shuah Khan <shuah@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	Song Liu <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>,
	Andrii Nakryiko <andriin@fb.com>,
	"linux-kselftest@vger.kernel.org"
	<linux-kselftest@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH bpf 4/4] selftests: bpf: reset global state between reuseport test runs
Date: Thu, 23 Jan 2020 17:56:47 +0000	[thread overview]
Message-ID: <20200123175644.x3j7jhl5owi34fdo@kafai-mbp.dhcp.thefacebook.com> (raw)
In-Reply-To: <20200123165934.9584-5-lmb@cloudflare.com>

On Thu, Jan 23, 2020 at 04:59:33PM +0000, Lorenz Bauer wrote:
> Currently, there is a lot of false positives if a single reuseport test
> fails. This is because expected_results and the result map are not cleared.
Ah, right.  An earlier test failure has ripple effect on the following tests.

I notice another embarrassing typo.  Can you also make this change in this fix?

-static enum result expected_results[NR_RESULTS];
+static __u32 expected_results[NR_RESULTS];

> 
> Zero both after individual test runs, which fixes the mentioned false
> positives.
Thanks for the fix!

Acked-by: Martin KaFai Lau <kafai@fb.com>

  reply	other threads:[~2020-01-23 17:57 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200123165934.9584-1-lmb@cloudflare.com>
2020-01-23 16:59 ` [PATCH bpf 1/4] selftests: bpf: use a temporary file in test_sockmap Lorenz Bauer
2020-01-23 18:34   ` Martin Lau
2020-01-24 19:50     ` John Fastabend
2020-01-24  9:20   ` Jakub Sitnicki
2020-01-24 19:43   ` John Fastabend
2020-01-23 16:59 ` [PATCH bpf 2/4] selftests: bpf: ignore RST packets for reuseport tests Lorenz Bauer
2020-01-23 17:16   ` Martin Lau
2020-01-23 17:18     ` Lorenz Bauer
2020-01-23 21:53   ` Martin Lau
2020-01-24  9:00     ` Lorenz Bauer
2020-01-24  9:32       ` Daniel Borkmann
2020-01-24 19:45   ` John Fastabend
2020-01-23 16:59 ` [PATCH bpf 3/4] selftests: bpf: make reuseport test output more legible Lorenz Bauer
2020-01-23 17:26   ` Martin Lau
2020-01-24 19:46   ` John Fastabend
2020-01-23 16:59 ` [PATCH bpf 4/4] selftests: bpf: reset global state between reuseport test runs Lorenz Bauer
2020-01-23 17:56   ` Martin Lau [this message]
     [not found] ` <20200124112754.19664-1-lmb@cloudflare.com>
2020-01-24 11:27   ` [PATCH bpf-next v2 1/4] selftests: bpf: use a temporary file in test_sockmap Lorenz Bauer
2020-01-24 11:27   ` [PATCH bpf-next v2 2/4] selftests: bpf: ignore FIN packets for reuseport tests Lorenz Bauer
2020-01-24 11:27   ` [PATCH bpf-next v2 3/4] selftests: bpf: make reuseport test output more legible Lorenz Bauer
2020-01-24 11:27   ` [PATCH bpf-next v2 4/4] selftests: bpf: reset global state between reuseport test runs Lorenz Bauer

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