From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 D2FF438737D for ; Fri, 30 Jan 2026 19:12:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769800350; cv=none; b=DO9IglUIf+qdMsP471qNsMu/xsuhBLHIPH0/Bnlox6ehXWJLY9hp3WUxCiS1arkKtLjHjNPJJGp+1UjCU/pZGL4JKRt8wzsF4JqvsHSdob/cO3lVTSYR7JRHnF/1tyvIU169/euBelhfqlUniYmVvDy9TXpCHSmiumNPH4DybsQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769800350; c=relaxed/simple; bh=ep4W/wizMZBt7WwE4MkxoBjbDPX7D+EDFS/a1OlhO2o=; h=Date:From:To:Cc:Subject:Message-ID; b=mV6l9nj5U61Dp3szOzsXZF8O7Xvrrf76+K3BDEgkwgaYTSlAYi9v8mCdmJx0Wt0IU03OsSMXnp5bEiPFjmH9yOIV+BFhOFXZRmjF77a3Mu+3xO0N5yVr+lL2LFVCNtbreISOh1obkJ0O4W+oFHK9f2FfBilvBHTXKFdhtETwVUM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=NG4OsnSj; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="NG4OsnSj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1769800348; x=1801336348; h=date:from:to:cc:subject:message-id; bh=ep4W/wizMZBt7WwE4MkxoBjbDPX7D+EDFS/a1OlhO2o=; b=NG4OsnSjZWSot9sD3t5pB6qnW/JbFtvQl1OKo88WRotBLiJ3DxcTUM4o yXibj0lnUp7ms3ZBPIqf58/EQ7bvXj8HftmjCeXtkHDrf1HxetMZ0LRkp BlqoEwRCglCC/pwyFX5s/mRGcgYMq2PMCEmrP7ZWHBz9HGXwDJIRuiXm2 k+wsFSGmz31y/UfExuRYql0dmfQF9pEPyCcA2CCia0tbz1Nf2eFeUTufz z+oorBkHEZyePm8A9K2ZCXvBHf9ETzt2k/LwkmKKxzmWXXOsrgKaS51Ou fpmEdWI23TjZWbJA0/MitcG658TeHRqFr4+q55LPIlog47EVPWpTRRLcj w==; X-CSE-ConnectionGUID: M57XMqZCTX+5wkYd4eqkew== X-CSE-MsgGUID: 2YIZAeiYSe60bh7vJ3GcCA== X-IronPort-AV: E=McAfee;i="6800,10657,11687"; a="81788186" X-IronPort-AV: E=Sophos;i="6.21,263,1763452800"; d="scan'208";a="81788186" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2026 11:12:28 -0800 X-CSE-ConnectionGUID: +ZoiqaFrT7etBFcqembh1A== X-CSE-MsgGUID: 8cVbaiB8RnaT7ABw47vt8Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,263,1763452800"; d="scan'208";a="239649163" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 30 Jan 2026 11:12:26 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vltup-00000000dFc-0NxT; Fri, 30 Jan 2026 19:12:23 +0000 Date: Sat, 31 Jan 2026 03:12:15 +0800 From: kernel test robot To: Christian Brauner Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_listns' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned... Message-ID: <202601310340.29sKIzkX-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4d310797262f0ddf129e76c2aad2b950adaf1fda commit: 76b6f5dfb3fda76fce1f9990d6fa58adc711122b nstree: add listns() date: 3 months ago config: riscv-randconfig-001-20260131 (https://download.01.org/0day-ci/archive/20260131/202601310340.29sKIzkX-lkp@intel.com/config) compiler: riscv32-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260131/202601310340.29sKIzkX-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202601310340.29sKIzkX-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/linux/compat.h:34, from arch/riscv/include/asm/elf.h:12, from include/linux/elf.h:6, from include/linux/module.h:20, from include/linux/device/driver.h:21, from include/linux/device.h:32, from include/linux/node.h:18, from include/linux/cpu.h:17, from include/linux/static_call.h:135, from include/linux/tracepoint.h:22, from include/trace/syscall.h:5, from include/linux/syscalls.h:96, from kernel/nstree.c:8: >> arch/riscv/include/asm/syscall_wrapper.h:35:14: warning: '__se_sys_listns' alias between functions of incompatible types 'long int(ulong, ulong, ulong, ulong, ulong, ulong, ulong)' {aka 'long int(long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int, long unsigned int)'} and 'long int(long int, long int, long int, long int)' [-Wattribute-alias] static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \ ^~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:237:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:229:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ kernel/nstree.c:729:1: note: in expansion of macro 'SYSCALL_DEFINE4' SYSCALL_DEFINE4(listns, const struct ns_id_req __user *, req, ^~~~~~~~~~~~~~~ arch/riscv/include/asm/syscall_wrapper.h:41:14: note: aliased declaration here static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) ^~~~~~ arch/riscv/include/asm/syscall_wrapper.h:82:2: note: in expansion of macro '__SYSCALL_SE_DEFINEx' __SYSCALL_SE_DEFINEx(x, sys, name, __VA_ARGS__) \ ^~~~~~~~~~~~~~~~~~~~ include/linux/syscalls.h:237:2: note: in expansion of macro '__SYSCALL_DEFINEx' __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) ^~~~~~~~~~~~~~~~~ include/linux/syscalls.h:229:36: note: in expansion of macro 'SYSCALL_DEFINEx' #define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__) ^~~~~~~~~~~~~~~ kernel/nstree.c:729:1: note: in expansion of macro 'SYSCALL_DEFINE4' SYSCALL_DEFINE4(listns, const struct ns_id_req __user *, req, ^~~~~~~~~~~~~~~ vim +35 arch/riscv/include/asm/syscall_wrapper.h a9ad73295cc1e3 Sami Tolvanen 2024-03-11 16 a9ad73295cc1e3 Sami Tolvanen 2024-03-11 17 #define __SYSCALL_SE_DEFINEx(x, prefix, name, ...) \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 18 static long __se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 19 static long __se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) a9ad73295cc1e3 Sami Tolvanen 2024-03-11 20 08d0ce30e0e4fc Sami Tolvanen 2023-07-10 21 #define SC_RISCV_REGS_TO_ARGS(x, ...) \ 08d0ce30e0e4fc Sami Tolvanen 2023-07-10 22 __MAP(x,__SC_ARGS \ 08d0ce30e0e4fc Sami Tolvanen 2023-07-10 23 ,,regs->orig_a0,,regs->a1,,regs->a2 \ 08d0ce30e0e4fc Sami Tolvanen 2023-07-10 24 ,,regs->a3,,regs->a4,,regs->a5,,regs->a6) 08d0ce30e0e4fc Sami Tolvanen 2023-07-10 25 a9ad73295cc1e3 Sami Tolvanen 2024-03-11 26 #else a9ad73295cc1e3 Sami Tolvanen 2024-03-11 27 /* a9ad73295cc1e3 Sami Tolvanen 2024-03-11 28 * Use type aliasing to ensure registers a0-a6 are correctly passed to the syscall a9ad73295cc1e3 Sami Tolvanen 2024-03-11 29 * implementation when >word-size arguments are used. a9ad73295cc1e3 Sami Tolvanen 2024-03-11 30 */ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 31 #define __SYSCALL_SE_DEFINEx(x, prefix, name, ...) \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 32 __diag_push(); \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 33 __diag_ignore(GCC, 8, "-Wattribute-alias", \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 34 "Type aliasing is used to sanitize syscall arguments"); \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 @35 static long __se_##prefix##name(ulong, ulong, ulong, ulong, ulong, ulong, \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 36 ulong) \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 37 __attribute__((alias(__stringify(___se_##prefix##name)))); \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 38 __diag_pop(); \ 653650c468be21 Sami Tolvanen 2024-03-26 39 static long noinline ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \ 653650c468be21 Sami Tolvanen 2024-03-26 40 __used; \ a9ad73295cc1e3 Sami Tolvanen 2024-03-11 41 static long ___se_##prefix##name(__MAP(x,__SC_LONG,__VA_ARGS__)) a9ad73295cc1e3 Sami Tolvanen 2024-03-11 42 :::::: The code at line 35 was first introduced by commit :::::: a9ad73295cc1e3af0253eee7d08943b2419444c4 riscv: Fix syscall wrapper for >word-size arguments :::::: TO: Sami Tolvanen :::::: CC: Palmer Dabbelt -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki