From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 A232C3AEB37; Fri, 16 Oct 2026 03:00:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792119610; cv=none; b=abeSI/E2p1GrDrTBrFR7SadEqs02Z0VEpfJxFlLJgfGRYK6YTb1+QOC45urftvmiSMtBphL7TFdwZXSCw42JEJX2g5VpyWLasK0MVBjMMZnEtb8np6FCjAJVz4mqat4xLgU2nw9XvqKYawx5zQLCkEQIi/DpzNvx41s3tGczqXM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792119610; c=relaxed/simple; bh=ut425ZVVJYbYLpk6hgih+heGZrcRsLV0tQju9qnPK+o=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=AAbXPf6ZbiPBRdzUuRI+DnI/39f6Dd+uL2k163rbEDkYoNGRuFqoc3FA4m9dbSJFBAXeFWaGrhj+i0v3skdgKZ/C4cCyFSnqFMtXnoH5nPrU2kIZsHB9r/MSyyHVkzvctFguBTqhMB+lTNyosPW9dz+J6ZVv99/T6NFjPEKPjA0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fDCUml3z; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="fDCUml3z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0AE331F000C4; Fri, 16 Oct 2026 03:00:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792119607; bh=4J2mGXg6QaNtnzBgwqkwdZqr1QlBxcy++o+uklQ8lrI=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=fDCUml3zJxBe478lq79ORPQidJRuECeEwc7XJMQJixOLRNp18pz0TGEZC9o36ULZ7 2ypjbLi75xkH8HbexrOyajq3cVzLjkiK2u39spDAg/ZJY8hoL/kQfjJuZwFpyXz+mU 2icWPmpIM1p8r28sghzYkCurAtkJC42fZV3FwQQCumzMfYxI61ci8gg64PA7BG61IA UR1JNFujGn6l4B2SypyV4vnRabXvr2OcjhT6cWiQaPsZfufZGyl96XIr9bQpVB67vL 5zIzlfzcw+F/25vaIljD242eLT4mKvrxJ2Rpjj/9VGxQ55jbAw31sq+66Qn7gga8+s d7nMvfCZdJ1VA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id F143C3808209; Fri, 16 Oct 2026 03:00:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next v2 0/2] selftests/bpf: Fix the bpffs handling of cgroup_hierarchical_stats From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179211960551.30782.10876178060857722550.git-patchwork-notify@kernel.org> Date: Fri, 16 Oct 2026 03:00:05 +0000 References: <20261009-selftests-bpf-cgroup-stats-bpffs-v2-0-f93a111da992@gmail.com> In-Reply-To: <20261009-selftests-bpf-cgroup-stats-bpffs-v2-0-f93a111da992@gmail.com> To: Qiliang Yuan Cc: andrii@kernel.org, eddyz87@gmail.com, ihor.solodrai@linux.dev, ast@kernel.org, daniel@iogearbox.net, memxor@gmail.com, martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, jolsa@kernel.org, emil@etsalapatis.com, shuah@kernel.org, yosry@kernel.org, haoluo@google.com, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This series was applied to bpf/bpf-next.git (master) by Alexei Starovoitov : On Fri, 09 Oct 2026 10:04:36 +0800 you wrote: > cgroup_hierarchical_stats mounts a bpffs on /sys/fs/bpf to pin its > iterators, then moves into a private mount namespace to set up its > cgroups, and unmounts the bpffs in the end if it mounted it itself. > > The bpffs lands in the mount namespace shared with the tests running > in parallel, on top of the one already there, and hides what they pin, > which makes bpftool_maps_access and bpftool_metadata fail now and then. > The unmount can't remove it from there, and it checks the other way > around whether the test mounted a bpffs anyway. > > [...] Here is the summary with links: - [bpf-next,v2,1/2] selftests/bpf: Keep the bpffs of cgroup_hierarchical_stats private https://git.kernel.org/bpf/bpf-next/c/3c824dfd17e6 - [bpf-next,v2,2/2] selftests/bpf: Unmount the bpffs that cgroup_hierarchical_stats mounted https://git.kernel.org/bpf/bpf-next/c/e0645cfd0e1b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html