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 91F5E314B69; Fri, 24 Oct 2025 10:56:03 +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=1761303363; cv=none; b=phI5SV07GISmJmkk2ihZGcXcimEIJYZwaFI5DLutXglIOEychK5Bwj2MmG/GOPqYwua/Jd4L5iUTQJiqPTM7l/BQN5PdrVz2A53POHsSQnhJ4pu7r6H+8LoTrELch/98WXJL+SAUuX1q6mD8S/Tc0IYVOCWA7SYZBlfeaywOQMI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761303363; c=relaxed/simple; bh=WU3OpDiHSBOB5eonlPoaP8MJGbmszqupW5dQlbeASiQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=LaCrhDKAnZck+iA1XS3FTVBvU9M3Q3czFBnCBR8QFU5LgFAiTwLuKmP7KBM8MN7F/4/fwsUe7VxZYSGn7DVETuI5jog5HCGXmaHB/OnNjiN8NS3kiQdMDlL9fZSCU3HmLJpmILf/D8EdXLNp34c6ojYTcR+LaUwf/sviTQJ+RLQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pzI/e047; 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="pzI/e047" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 926F0C4CEFF; Fri, 24 Oct 2025 10:55:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761303363; bh=WU3OpDiHSBOB5eonlPoaP8MJGbmszqupW5dQlbeASiQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=pzI/e047vSvjARP4MMY8D3oYuvNqG+le1yU5USl711GJm/fNl4JaJTmlFc73uVb/d G2mXBxPht0eLP/xByaZG75YpuPkjQ/kxxgnZ6lChwIpC6StAPb6uRzSBCUI8YE80Zc HSOfxsrAFvfO3Np2NunE7+PYBG75QIZvt4Cd4Dd1VxrevxXtHZpCEvzGfk0tYiMXSZ ttrzVWONCvIRZtqAOsprTBQU0ES3j4pYRcgEWfqvCEiKnQcMqXEtGgHwKn6QYhMOXq Gw6m8PeDLYhY3tIMCBK5oo4ZxFseRy/OIdfHil0hAZboWjczHuYTHkPssAJTU8SDzU tIXbRFjGZ3dYQ== From: Christian Brauner Date: Fri, 24 Oct 2025 12:53:05 +0200 Subject: [PATCH v3 36/70] selftests/namespaces: add listns() wrapper Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251024-work-namespace-nstree-listns-v3-36-b6241981b72b@kernel.org> References: <20251024-work-namespace-nstree-listns-v3-0-b6241981b72b@kernel.org> In-Reply-To: <20251024-work-namespace-nstree-listns-v3-0-b6241981b72b@kernel.org> To: linux-fsdevel@vger.kernel.org, Josef Bacik , Jeff Layton Cc: Jann Horn , Mike Yuan , =?utf-8?q?Zbigniew_J=C4=99drzejewski-Szmek?= , Lennart Poettering , Daan De Meyer , Aleksa Sarai , Amir Goldstein , Tejun Heo , Johannes Weiner , Thomas Gleixner , Alexander Viro , Jan Kara , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, bpf@vger.kernel.org, Eric Dumazet , Jakub Kicinski , netdev@vger.kernel.org, Arnd Bergmann , Christian Brauner X-Mailer: b4 0.15-dev-96507 X-Developer-Signature: v=1; a=openpgp-sha256; l=1405; i=brauner@kernel.org; h=from:subject:message-id; bh=WU3OpDiHSBOB5eonlPoaP8MJGbmszqupW5dQlbeASiQ=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWT8jmpLO3jOWn7jyTUpjOn+OY/+raji73KZ+o/brf7dn XW/3tYFdpSyMIhxMciKKbI4tJuEyy3nqdhslKkBM4eVCWQIAxenAFzkHMM/01XzJp7bZFIovneG rdk21u1NyR3+Ij1i+zS9r+udiAntYGT4oTFD9nBXrl0bt0rO7V9rktJfbN0U7cjxZLtJQHvZxkQ OAA== X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Add a wrapper for the listns() system call. Signed-off-by: Christian Brauner --- tools/testing/selftests/namespaces/wrappers.h | 35 +++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/tools/testing/selftests/namespaces/wrappers.h b/tools/testing/selftests/namespaces/wrappers.h new file mode 100644 index 000000000000..9741a64a5b1d --- /dev/null +++ b/tools/testing/selftests/namespaces/wrappers.h @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include +#include +#include +#include + +#ifndef __SELFTESTS_NAMESPACES_WRAPPERS_H__ +#define __SELFTESTS_NAMESPACES_WRAPPERS_H__ + +#ifndef __NR_listns + #if defined __alpha__ + #define __NR_listns 580 + #elif defined _MIPS_SIM + #if _MIPS_SIM == _MIPS_SIM_ABI32 /* o32 */ + #define __NR_listns 4470 + #endif + #if _MIPS_SIM == _MIPS_SIM_NABI32 /* n32 */ + #define __NR_listns 6470 + #endif + #if _MIPS_SIM == _MIPS_SIM_ABI64 /* n64 */ + #define __NR_listns 5470 + #endif + #else + #define __NR_listns 470 + #endif +#endif + +static inline int sys_listns(const struct ns_id_req *req, __u64 *ns_ids, + size_t nr_ns_ids, unsigned int flags) +{ + return syscall(__NR_listns, req, ns_ids, nr_ns_ids, flags); +} + +#endif /* __SELFTESTS_NAMESPACES_WRAPPERS_H__ */ -- 2.47.3