From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dediextern.your-server.de (dediextern.your-server.de [85.10.215.232]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 33999239097; Wed, 26 Feb 2025 19:29:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.10.215.232 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740598158; cv=none; b=NY5WxDT3Cno1u58CpjIsWHyee3E4XDAS0wYNzvfeQAdVQR6KswkSyqucm/VjMU8i5YzDHwv3ANRRGXF4F3pi0y23+ZalCcG2UZgtfD6LF9S3ZQg11MXWDKCTHfnyTpYjvHhLZqJBEcSHsuIbdWmWuYoBmhtQCnMCHMWXhZgA/Zo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740598158; c=relaxed/simple; bh=2ZUteOkaSTwBrgPlfemqClgy+FPwyulmg41Bi4EpecI=; h=Message-ID:Date:MIME-Version:To:Cc:References:From:Subject: In-Reply-To:Content-Type; b=ujHWqN7wb/E+xUoesthdCzeJlGH/DdVhLaf/3xlQrriD9VZih2WJvnYvLU62PF4wRVJG7vulGlOdnlrGahoLgajn7adeusPx+sYk79zN9oSLHfkZR9lpliRvyDBPtcfo+spwGoM+Pe/TMeKtC76HUAiYSz9W7fsrKTdWoh9MQ9k= ARC-Authentication-Results:i=1; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authenticated-Sender: marcus.wichelmann@hetzner-cloud.de X-Virus-Scanned: Clear (ClamAV 1.0.7/27561/Wed Feb 26 10:36:26 2025) Am 26.02.25 um 20:00 schrieb Stanislav Fomichev: > On 02/26, Marcus Wichelmann wrote: >> Am 24.02.25 um 18:14 schrieb Stanislav Fomichev: >>> On 02/24, Marcus Wichelmann wrote: >>>> [...] >>>> +void test_xdp_context_tuntap(void) >>> >>> tap0 is already used by lwt tests, so there is a chance this new test >>> will clash with it? Should we run your new test in a net namespace >>> to be safe? Bastien recently added a change where you can make >>> your test run in a net ns by naming the function test_ns_xxx. >>> >> >> Ah, cool, I didn't know of that feature. >> >> For reference, you probably mean this one? >> commit c047e0e0e435 ("selftests/bpf: Optionally open a dedicated namespace to run test in it") > > Yes. > >> As long as the tests are not run in parallel, the test function SHOULD >> clean up well enough behind itself that no conflicts should occur. >> But having that bit of extra safety won't hurt. > > The test you're adding is gonna be running in parallel with most of the > other test cases. If you want it to be executed in a serial fashion > (which I don't think you do, running in parallel in a ns is a better > option), the function as to be called serial_test_xxx. > Ah, I didn't know parallel execution is opt-out. Then I must have been lucky that it didn't cause issues. Added it in the V4 patch series that I'll send in a bit.