From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 AF33C2F7478; Thu, 26 Feb 2026 10:20:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772101205; cv=none; b=YVlKsTNKVKTTewOdguGgb0BT/mCoavnIRULs3y4sKiUvsJsN/pQL6bgLgNr79tsIcwnUoP/621Z1qVela2JRkvHyBFBuyayhRANPAX/tmJnxeCgMk9eNTOgeEhbFNKYx+lLUwcP7MQXIuUy7+zfam6qK5lDlYraCrFgCrYDq5Jk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772101205; c=relaxed/simple; bh=iDz13LP7DM09M9k+zfKiRb2KkCIRF1a2FJtg0xagvGA=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=Qdwlrwc0FU5jFo4l7Y6Y9LvGLTF3B5TBdTJBFvVkH8dcrD2ZLB5cDcj97iEb1LIPkHxWNp6je4qLwkzM17rjXoEoenzri6T07WzQh3mjlIgHWmRoawI9hFjXhcYTQMIKBlKP1yVvT2bXVcao1/XXcbG6PG3bk3ubI+OcabKLQYI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CNRIJI30; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CNRIJI30" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3CC3AC19422; Thu, 26 Feb 2026 10:20:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772101205; bh=iDz13LP7DM09M9k+zfKiRb2KkCIRF1a2FJtg0xagvGA=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=CNRIJI30lsQB4xeaSUvGaxr4KLIjfIZVtplWLfcxFOVhjPtfTRWHI5hu9LSX0XCv3 s3oZykZpuNo01/g48sqS3KcifW+TYhuVr7RNHCiKg6oIVcFD0RxMN+sq0CorBxeunJ /AAJyuj0w1x0OobhFl5RnUAj2kWG5vg5wD5aq/isXVtgR5DmrXpcsMZT0H+yoHzB1g n+/kEjtjnpyDrR9bgxxzG5XLi+BGh80yKhYkSiutldWvwAWnnmgqCiT6Im8LoZPeTA Qh/LOc2Wtv05dziIF6hdLl2uCMC+yg1a2onwitoOS7aj0ZcQLJHhuoeAaWFjXyfbpf bspmJ/T1tFkdQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 02D60380A977; Thu, 26 Feb 2026 10:20:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v3 0/3] vsock: add write-once semantics to child_ns_mode From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177210120979.1146836.15985214642756769564.git-patchwork-notify@kernel.org> Date: Thu, 26 Feb 2026 10:20:09 +0000 References: <20260223-vsock-ns-write-once-v3-0-c0cde6959923@meta.com> In-Reply-To: <20260223-vsock-ns-write-once-v3-0-c0cde6959923@meta.com> To: Bobby Eshleman Cc: sgarzare@redhat.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, stefanha@redhat.com, shuah@kernel.org, bobbyeshleman@meta.com, mst@redhat.com, corbet@lwn.net, skhan@linuxfoundation.org, virtualization@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org, kuniyu@google.com, ncardwell@google.com, daan.j.demeyer@gmail.com Hello: This series was applied to netdev/net.git (main) by Paolo Abeni : On Mon, 23 Feb 2026 14:38:31 -0800 you wrote: > Two administrator processes may race when setting child_ns_mode: one > sets it to "local" and creates a namespace, but another changes it to > "global" in between. The first process ends up with a namespace in the > wrong mode. Make child_ns_mode write-once so that a namespace manager > can set it once, check the value, and be guaranteed it won't change > before creating its namespaces. Writing a different value after the > first write returns -EBUSY. > > [...] Here is the summary with links: - [net,v3,1/3] selftests/vsock: change tests to respect write-once child ns mode https://git.kernel.org/netdev/net/c/a382a34276cb - [net,v3,2/3] vsock: lock down child_ns_mode as write-once https://git.kernel.org/netdev/net/c/102eab95f025 - [net,v3,3/3] vsock: document write-once behavior of the child_ns_mode sysctl https://git.kernel.org/netdev/net/c/b6302e057fdc You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html