From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5707FE668B1 for ; Sat, 20 Dec 2025 16:32:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Lnag4aU5/UBlevZHT7xKcp6X+5zG9bY4yMhgdSvYV1w=; b=KMZLomzZSoTlDF W0qnfGDCMkx7pRlNMwY9z1ZDAL9XWmjjXxsRuPoLrYa2OUtsPsds/HmvP9E5ix1NgQU9eeYaGVZtm 3iL4XlZqX2Kwq05nOKyiyPlSwfEghqQjoW61/xF1UlsR+e9d6Eg1S0MTavtkqZeEh7Vips4kLLY7d QK73LBSpTNV/tBR2pfzNPWQpnBDmZ5qKhPmuXfZw5T+wW6rro3AkXx0BpvbBkQ568oikG0w1RKnIX jEQo5ZEjt5JW4p4M7E5wPYtG68nSDvMKgFLf4FuNVe/h5WbTBr9WyT7LURoYg535VLoSCo2t2Ba0J VL4Igy7XgdCZJvHfFw3w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vWzrm-0000000BkVi-1fl2; Sat, 20 Dec 2025 16:31:38 +0000 Received: from mgamail.intel.com ([192.198.163.18]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vWzrj-0000000BkVM-1MxJ for linux-riscv@lists.infradead.org; Sat, 20 Dec 2025 16:31:36 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1766248295; x=1797784295; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=gFxpIXF13nGXH8jcMN3U6G/SWnqn2l0yxiGSNIRPPzs=; b=BPAbGBS4JroNC3o+tc8acy4JdWocOerxQTv8eyMkbo5UbU2afEva/+G7 itdK7E8QunRunUyHZbQVX0dVj0GwFRy+vhbit3ysKrsTwtnrd2BSO0nTy pPpLT7fNpaVZtMjWgusanf7WcrAgIQZun4+y72uWPg4uLBqp78QpYz9fc dhcElbGTcIiSRn3isyebvPBRDV+sxrBMCuf456E943lJsegFiqdEGy/hV VcjyZHFNnzYrwCaJXn5PbyuBYBCqRze2lcYsqMxBNsbGI5mmueHOODBHd y6en0SkkY+lkpekdMapXQD9Earo+iU6Q3U8yfVA2f0LloAGaoX386JmQR g==; X-CSE-ConnectionGUID: 7L6oRRRKSXC4ahbzEWBGxg== X-CSE-MsgGUID: hmmzwrdGRquNig70/A+2Xg== X-IronPort-AV: E=McAfee;i="6800,10657,11648"; a="67375610" X-IronPort-AV: E=Sophos;i="6.21,164,1763452800"; d="scan'208";a="67375610" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2025 08:31:32 -0800 X-CSE-ConnectionGUID: 2zwW58zfTPKjCecmEA7d3Q== X-CSE-MsgGUID: ub5ZTe6sRmib9MeS8+2Qkw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,164,1763452800"; d="scan'208";a="222605833" Received: from lkp-server01.sh.intel.com (HELO 0d09efa1b85f) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 20 Dec 2025 08:31:25 -0800 Received: from kbuild by 0d09efa1b85f with local (Exim 4.98.2) (envelope-from ) id 1vWzrX-000000004sd-0pgl; Sat, 20 Dec 2025 16:31:23 +0000 Date: Sun, 21 Dec 2025 00:31:08 +0800 From: kernel test robot To: Yunhui Cui , aou@eecs.berkeley.edu, alex@ghiti.fr, andii@kernel.org, andybnac@gmail.com, apatel@ventanamicro.com, ast@kernel.org, ben.dooks@codethink.co.uk, bjorn@kernel.org, bpf@vger.kernel.org, charlie@rivosinc.com, cl@gentwo.org, conor.dooley@microchip.com, cyrilbur@tenstorrent.com, daniel@iogearbox.net, debug@rivosinc.com, dennis@kernel.org, eddyz87@gmail.com, haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux@rasmusvillemoes.dk, martin.lau@linux.dev, palmer@dabbelt.com, pjw@kernel.org, puranjay@kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH v3 2/3] riscv: introduce percpu.h into include/asm Message-ID: <202512210052.w0bpUAAO-lkp@intel.com> References: <20251216014721.42262-3-cuiyunhui@bytedance.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20251216014721.42262-3-cuiyunhui@bytedance.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251220_083135_394919_F5A99A9D X-CRM114-Status: GOOD ( 10.06 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Hi Yunhui, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.19-rc1 next-20251219] [cannot apply to bpf-next/net bpf-next/master bpf/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Yunhui-Cui/riscv-remove-irqflags-h-inclusion-in-asm-bitops-h/20251216-094956 base: linus/master patch link: https://lore.kernel.org/r/20251216014721.42262-3-cuiyunhui%40bytedance.com patch subject: [PATCH v3 2/3] riscv: introduce percpu.h into include/asm config: riscv-randconfig-002-20251217 (https://download.01.org/0day-ci/archive/20251221/202512210052.w0bpUAAO-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251221/202512210052.w0bpUAAO-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/202512210052.w0bpUAAO-lkp@intel.com/ All errors (new ones prefixed by >>): 109 | #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from net/core/page_pool.c:14: In file included from include/net/netdev_lock.h:7: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/riscv/include/asm/io.h:140: include/asm-generic/io.h:854:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 854 | insl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:110:53: note: expanded from macro 'insl' 110 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from net/core/page_pool.c:14: In file included from include/net/netdev_lock.h:7: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/riscv/include/asm/io.h:140: include/asm-generic/io.h:863:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 863 | outsb(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:122:55: note: expanded from macro 'outsb' 122 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from net/core/page_pool.c:14: In file included from include/net/netdev_lock.h:7: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/riscv/include/asm/io.h:140: include/asm-generic/io.h:872:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 872 | outsw(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:123:55: note: expanded from macro 'outsw' 123 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from net/core/page_pool.c:14: In file included from include/net/netdev_lock.h:7: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/riscv/include/asm/io.h:140: include/asm-generic/io.h:881:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 881 | outsl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:124:55: note: expanded from macro 'outsl' 124 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from net/core/page_pool.c:14: In file included from include/net/netdev_lock.h:7: In file included from include/linux/netdevice.h:38: In file included from include/net/net_namespace.h:43: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/riscv/include/asm/io.h:140: include/asm-generic/io.h:1209:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1209 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ In file included from net/core/page_pool.c:11: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, s4, 0(a1) | ^ In file included from net/core/page_pool.c:11: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, a2, 0(a1) | ^ In file included from net/core/page_pool.c:11: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, a2, 0(a1) | ^ In file included from net/core/page_pool.c:11: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, s9, 0(a1) | ^ In file included from net/core/page_pool.c:11: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, s9, 0(a0) | ^ In file included from net/core/page_pool.c:11: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, s7, 0(a1) | ^ In file included from net/core/page_pool.c:11: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, a2, 0(a1) | ^ In file included from net/core/page_pool.c:11: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, a2, 0(a1) | ^ In file included from net/core/page_pool.c:11: In file included from include/linux/slab.h:16: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:8: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, a2, 0(a1) | ^ 7 warnings and 9 errors generated. -- include/asm-generic/io.h:854:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 854 | insl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:110:53: note: expanded from macro 'insl' 110 | #define insl(addr, buffer, count) __insl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from net/batman-adv/routing.c:7: In file included from net/batman-adv/routing.h:10: In file included from net/batman-adv/main.h:207: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/riscv/include/asm/io.h:140: include/asm-generic/io.h:863:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 863 | outsb(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:122:55: note: expanded from macro 'outsb' 122 | #define outsb(addr, buffer, count) __outsb(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from net/batman-adv/routing.c:7: In file included from net/batman-adv/routing.h:10: In file included from net/batman-adv/main.h:207: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/riscv/include/asm/io.h:140: include/asm-generic/io.h:872:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 872 | outsw(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:123:55: note: expanded from macro 'outsw' 123 | #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from net/batman-adv/routing.c:7: In file included from net/batman-adv/routing.h:10: In file included from net/batman-adv/main.h:207: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/riscv/include/asm/io.h:140: include/asm-generic/io.h:881:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 881 | outsl(addr, buffer, count); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/riscv/include/asm/io.h:124:55: note: expanded from macro 'outsl' 124 | #define outsl(addr, buffer, count) __outsl(PCI_IOBASE + (addr), buffer, count) | ~~~~~~~~~~ ^ In file included from net/batman-adv/routing.c:7: In file included from net/batman-adv/routing.h:10: In file included from net/batman-adv/main.h:207: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/riscv/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/riscv/include/asm/io.h:140: include/asm-generic/io.h:1209:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1209 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ In file included from net/batman-adv/routing.c:7: In file included from net/batman-adv/routing.h:10: In file included from net/batman-adv/main.h:207: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:5: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:7: In file included from include/linux/list_lru.h:13: In file included from include/linux/shrinker.h:8: In file included from include/linux/completion.h:12: In file included from include/linux/swait.h:7: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, a2, 0(a1) | ^ In file included from net/batman-adv/routing.c:7: In file included from net/batman-adv/routing.h:10: In file included from net/batman-adv/main.h:207: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:5: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:7: In file included from include/linux/list_lru.h:13: In file included from include/linux/shrinker.h:8: In file included from include/linux/completion.h:12: In file included from include/linux/swait.h:7: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, s6, 0(a1) | ^ In file included from net/batman-adv/routing.c:7: In file included from net/batman-adv/routing.h:10: In file included from net/batman-adv/main.h:207: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:5: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:7: In file included from include/linux/list_lru.h:13: In file included from include/linux/shrinker.h:8: In file included from include/linux/completion.h:12: In file included from include/linux/swait.h:7: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, a2, 0(a1) | ^ In file included from net/batman-adv/routing.c:7: In file included from net/batman-adv/routing.h:10: In file included from net/batman-adv/main.h:207: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:5: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:7: In file included from include/linux/list_lru.h:13: In file included from include/linux/shrinker.h:8: In file included from include/linux/completion.h:12: In file included from include/linux/swait.h:7: In file included from include/linux/spinlock.h:59: In file included from include/linux/irqflags.h:19: >> arch/riscv/include/asm/percpu.h:43:1: error: instruction requires the following: RV64I Base Instruction Set 43 | PERCPU_OP(add, add) | ^ arch/riscv/include/asm/percpu.h:41:2: note: expanded from macro 'PERCPU_OP' 41 | __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) | ^ arch/riscv/include/asm/percpu.h:33:3: note: expanded from macro '__PERCPU_AMO_OP_CASE' 33 | "amo" #amo_insn #sfx " zero, %[val], %[ptr]" \ | ^ :1:2: note: instantiated into assembly here 1 | amoadd.d zero, a1, 0(a2) | ^ 7 warnings and 4 errors generated. .. vim +43 arch/riscv/include/asm/percpu.h 38 39 #define PERCPU_OP(name, amo_insn) \ 40 __PERCPU_AMO_OP_CASE(.w, name, 32, amo_insn) \ 41 __PERCPU_AMO_OP_CASE(.d, name, 64, amo_insn) 42 > 43 PERCPU_OP(add, add) 44 PERCPU_OP(andnot, and) 45 PERCPU_OP(or, or) 46 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv