From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 425281A4E7F for ; Tue, 3 Sep 2024 21:36:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725399398; cv=none; b=cWNxJCG0tQRKuAWcZJf4pklgXKMQH4HBUH0q16nRroPwszpnQ00ziRtEmBcYen5j7efBDsXbubqkwtOLtpjslqVpbT7mmwn7xmP30RRTqCA+CL4RRHX5P+Bb9cishdsroxkr35qIIAXid4EBJijp3GZRTg3QjyD7VqA3NP5odOA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725399398; c=relaxed/simple; bh=tcS3rnIaFXXmzrr6/T8DDKJoXnHxT9hQ8SPrgZrCsao=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dM/ZBpUEYksgJ4LXNnmE8XoZtqCIf14amWZTvbhYGspigzgzYVaDwTIO76L7pp97WeVYXAyQI2mLZM/A4V/Q7jzRV2VQHeQAduQ3gzUprOV3W6iFDOpfUN6SB/YUIIRBNJut/nfGR478xy84PcovAfEZqnJPZlKhUWKpJ5eH+qE= 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=iI3Xs8P4; arc=none smtp.client-ip=198.175.65.16 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="iI3Xs8P4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1725399396; x=1756935396; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=tcS3rnIaFXXmzrr6/T8DDKJoXnHxT9hQ8SPrgZrCsao=; b=iI3Xs8P42TfJMLE7GunKzRciRg8EDwwcKlyx5x+VQQHPzuIzWTCDAZWA Ix9IhKttbsrOTgDMKYuypk8rssVsARVaBJrU3LzOTKEEXCBLvezvJ38DE WFM78NBaug+flLz0IljPabZY1aYt9B9Ewr943xKUTuqHuTKbHbT3JKsIk iPMccqATOomhICC7c4F+h8jHGEtiS7PziPGaFBW9hXGvad2iVhPNjfwW1 CqJ6Um0dD1p3ovazijXzITMSZgdyKdPaO1OPSMUFBU8+ebngdKEC+N1ub FkNaSv+GPBeFM21a1fMOOQLZ/zBX8kND+adbiGxLa9w09poXV9XxU/W92 Q==; X-CSE-ConnectionGUID: R1ePGy3sTmyeKWJa1Bz1GA== X-CSE-MsgGUID: DeTzFbiRShud+rag3XXWUQ== X-IronPort-AV: E=McAfee;i="6700,10204,11184"; a="24142740" X-IronPort-AV: E=Sophos;i="6.10,199,1719903600"; d="scan'208";a="24142740" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2024 14:36:36 -0700 X-CSE-ConnectionGUID: US5dvX8aQ6KKTvTQgUzn1Q== X-CSE-MsgGUID: b8elATLOR3KJeiQlNaO/1Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,199,1719903600"; d="scan'208";a="69916558" Received: from lkp-server01.sh.intel.com (HELO 9c6b1c7d3b50) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 03 Sep 2024 14:36:33 -0700 Received: from kbuild by 9c6b1c7d3b50 with local (Exim 4.96) (envelope-from ) id 1slbCQ-00079s-0Z; Tue, 03 Sep 2024 21:36:30 +0000 Date: Wed, 4 Sep 2024 05:35:46 +0800 From: kernel test robot To: Uros Bizjak , loongarch@lists.linux.dev, linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Uros Bizjak , Huacai Chen , WANG Xuerui , Thomas Gleixner Subject: Re: [PATCH] longsoon/percpu: Simplify _percpu_read() and _percpu_write() Message-ID: <202409040542.OSJFk9k7-lkp@intel.com> References: <20240903102342.36957-1-ubizjak@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240903102342.36957-1-ubizjak@gmail.com> Hi Uros, kernel test robot noticed the following build warnings: [auto build test WARNING on dennis-percpu/for-next] [also build test WARNING on linus/master v6.11-rc6 next-20240903] [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/Uros-Bizjak/longsoon-percpu-Simplify-_percpu_read-and-_percpu_write/20240903-182524 base: https://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu.git for-next patch link: https://lore.kernel.org/r/20240903102342.36957-1-ubizjak%40gmail.com patch subject: [PATCH] longsoon/percpu: Simplify _percpu_read() and _percpu_write() config: loongarch-loongson3_defconfig (https://download.01.org/0day-ci/archive/20240904/202409040542.OSJFk9k7-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240904/202409040542.OSJFk9k7-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/202409040542.OSJFk9k7-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/linux/irqflags.h:19, from include/linux/spinlock.h:59, from include/linux/sched.h:2134, from arch/loongarch/kernel/asm-offsets.c:8: include/linux/sched/mm.h: In function 'set_active_memcg': >> arch/loongarch/include/asm/percpu.h:85:33: warning: initialization of 'long unsigned int' from 'struct mem_cgroup *' makes integer from pointer without a cast [-Wint-conversion] 85 | #define __pcpu_cast_8(val) (val) | ^ arch/loongarch/include/asm/percpu.h:89:35: note: in expansion of macro '__pcpu_cast_8' 89 | unsigned long __pcp_val = __pcpu_cast_##size(_val); \ | ^~~~~~~~~~~~ arch/loongarch/include/asm/percpu.h:171:36: note: in expansion of macro '_percpu_write' 171 | #define this_cpu_write_8(pcp, val) _percpu_write(8, pcp, val) | ^~~~~~~~~~~~~ include/linux/percpu-defs.h:368:25: note: in expansion of macro 'this_cpu_write_8' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~ include/linux/percpu-defs.h:490:41: note: in expansion of macro '__pcpu_size_call' 490 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val) | ^~~~~~~~~~~~~~~~ include/linux/sched/mm.h:420:17: note: in expansion of macro 'this_cpu_write' 420 | this_cpu_write(int_active_memcg, memcg); | ^~~~~~~~~~~~~~ -- In file included from include/linux/percpu.h:13, from include/linux/context_tracking_state.h:5, from include/linux/hardirq.h:5, from include/linux/interrupt.h:11, from kernel/panic.c:14: include/linux/sched/mm.h: In function 'set_active_memcg': >> arch/loongarch/include/asm/percpu.h:85:33: warning: initialization of 'long unsigned int' from 'struct mem_cgroup *' makes integer from pointer without a cast [-Wint-conversion] 85 | #define __pcpu_cast_8(val) (val) | ^ arch/loongarch/include/asm/percpu.h:89:35: note: in expansion of macro '__pcpu_cast_8' 89 | unsigned long __pcp_val = __pcpu_cast_##size(_val); \ | ^~~~~~~~~~~~ arch/loongarch/include/asm/percpu.h:171:36: note: in expansion of macro '_percpu_write' 171 | #define this_cpu_write_8(pcp, val) _percpu_write(8, pcp, val) | ^~~~~~~~~~~~~ include/linux/percpu-defs.h:368:25: note: in expansion of macro 'this_cpu_write_8' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~ include/linux/percpu-defs.h:490:41: note: in expansion of macro '__pcpu_size_call' 490 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val) | ^~~~~~~~~~~~~~~~ include/linux/sched/mm.h:420:17: note: in expansion of macro 'this_cpu_write' 420 | this_cpu_write(int_active_memcg, memcg); | ^~~~~~~~~~~~~~ kernel/panic.c: In function '__warn': kernel/panic.c:670:17: warning: function '__warn' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 670 | vprintk(args->fmt, args->args); | ^~~~~~~ -- In file included from include/linux/irqflags.h:19, from include/linux/spinlock.h:59, from include/linux/sched.h:2134, from include/linux/sched/mm.h:7, from kernel/cpu.c:6: include/linux/sched/mm.h: In function 'set_active_memcg': >> arch/loongarch/include/asm/percpu.h:85:33: warning: initialization of 'long unsigned int' from 'struct mem_cgroup *' makes integer from pointer without a cast [-Wint-conversion] 85 | #define __pcpu_cast_8(val) (val) | ^ arch/loongarch/include/asm/percpu.h:89:35: note: in expansion of macro '__pcpu_cast_8' 89 | unsigned long __pcp_val = __pcpu_cast_##size(_val); \ | ^~~~~~~~~~~~ arch/loongarch/include/asm/percpu.h:171:36: note: in expansion of macro '_percpu_write' 171 | #define this_cpu_write_8(pcp, val) _percpu_write(8, pcp, val) | ^~~~~~~~~~~~~ include/linux/percpu-defs.h:368:25: note: in expansion of macro 'this_cpu_write_8' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~ include/linux/percpu-defs.h:490:41: note: in expansion of macro '__pcpu_size_call' 490 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val) | ^~~~~~~~~~~~~~~~ include/linux/sched/mm.h:420:17: note: in expansion of macro 'this_cpu_write' 420 | this_cpu_write(int_active_memcg, memcg); | ^~~~~~~~~~~~~~ {standard input}: Assembler messages: {standard input}:5077: Error: no match insn: stx.w $r14 $r21,$r12 {standard input}:5084: Error: no match insn: stx.w $r14 $r21,$r12 -- In file included from include/linux/irqflags.h:19, from include/linux/spinlock.h:59, from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from kernel/audit.c:38: include/linux/sched/mm.h: In function 'set_active_memcg': >> arch/loongarch/include/asm/percpu.h:85:33: warning: initialization of 'long unsigned int' from 'struct mem_cgroup *' makes integer from pointer without a cast [-Wint-conversion] 85 | #define __pcpu_cast_8(val) (val) | ^ arch/loongarch/include/asm/percpu.h:89:35: note: in expansion of macro '__pcpu_cast_8' 89 | unsigned long __pcp_val = __pcpu_cast_##size(_val); \ | ^~~~~~~~~~~~ arch/loongarch/include/asm/percpu.h:171:36: note: in expansion of macro '_percpu_write' 171 | #define this_cpu_write_8(pcp, val) _percpu_write(8, pcp, val) | ^~~~~~~~~~~~~ include/linux/percpu-defs.h:368:25: note: in expansion of macro 'this_cpu_write_8' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~ include/linux/percpu-defs.h:490:41: note: in expansion of macro '__pcpu_size_call' 490 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val) | ^~~~~~~~~~~~~~~~ include/linux/sched/mm.h:420:17: note: in expansion of macro 'this_cpu_write' 420 | this_cpu_write(int_active_memcg, memcg); | ^~~~~~~~~~~~~~ kernel/audit.c: In function 'audit_log_vformat': kernel/audit.c:1979:9: warning: function 'audit_log_vformat' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 1979 | len = vsnprintf(skb_tail_pointer(skb), avail, fmt, args); | ^~~ kernel/audit.c:1988:17: warning: function 'audit_log_vformat' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 1988 | len = vsnprintf(skb_tail_pointer(skb), avail, fmt, args2); | ^~~ -- In file included from include/linux/irqflags.h:19, from include/linux/spinlock.h:59, from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/slab.h:16, from kernel/relay.c:17: include/linux/sched/mm.h: In function 'set_active_memcg': >> arch/loongarch/include/asm/percpu.h:85:33: warning: initialization of 'long unsigned int' from 'struct mem_cgroup *' makes integer from pointer without a cast [-Wint-conversion] 85 | #define __pcpu_cast_8(val) (val) | ^ arch/loongarch/include/asm/percpu.h:89:35: note: in expansion of macro '__pcpu_cast_8' 89 | unsigned long __pcp_val = __pcpu_cast_##size(_val); \ | ^~~~~~~~~~~~ arch/loongarch/include/asm/percpu.h:171:36: note: in expansion of macro '_percpu_write' 171 | #define this_cpu_write_8(pcp, val) _percpu_write(8, pcp, val) | ^~~~~~~~~~~~~ include/linux/percpu-defs.h:368:25: note: in expansion of macro 'this_cpu_write_8' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~ include/linux/percpu-defs.h:490:41: note: in expansion of macro '__pcpu_size_call' 490 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val) | ^~~~~~~~~~~~~~~~ include/linux/sched/mm.h:420:17: note: in expansion of macro 'this_cpu_write' 420 | this_cpu_write(int_active_memcg, memcg); | ^~~~~~~~~~~~~~ kernel/relay.c: In function 'relay_create_buf_file': kernel/relay.c:357:42: warning: 'snprintf' output may be truncated before the last format character [-Wformat-truncation=] 357 | snprintf(tmpname, NAME_MAX, "%s%d", chan->base_filename, cpu); | ^ kernel/relay.c:357:9: note: 'snprintf' output between 2 and 266 bytes into a destination of size 255 357 | snprintf(tmpname, NAME_MAX, "%s%d", chan->base_filename, cpu); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/irqflags.h:19, from include/linux/spinlock.h:59, from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7, from mm/slub.c:13: include/linux/sched/mm.h: In function 'set_active_memcg': >> arch/loongarch/include/asm/percpu.h:85:33: warning: initialization of 'long unsigned int' from 'struct mem_cgroup *' makes integer from pointer without a cast [-Wint-conversion] 85 | #define __pcpu_cast_8(val) (val) | ^ arch/loongarch/include/asm/percpu.h:89:35: note: in expansion of macro '__pcpu_cast_8' 89 | unsigned long __pcp_val = __pcpu_cast_##size(_val); \ | ^~~~~~~~~~~~ arch/loongarch/include/asm/percpu.h:171:36: note: in expansion of macro '_percpu_write' 171 | #define this_cpu_write_8(pcp, val) _percpu_write(8, pcp, val) | ^~~~~~~~~~~~~ include/linux/percpu-defs.h:368:25: note: in expansion of macro 'this_cpu_write_8' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~ include/linux/percpu-defs.h:490:41: note: in expansion of macro '__pcpu_size_call' 490 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val) | ^~~~~~~~~~~~~~~~ include/linux/sched/mm.h:420:17: note: in expansion of macro 'this_cpu_write' 420 | this_cpu_write(int_active_memcg, memcg); | ^~~~~~~~~~~~~~ mm/slub.c: In function 'put_partials': arch/loongarch/include/asm/percpu.h:85:33: warning: initialization of 'long unsigned int' from 'void *' makes integer from pointer without a cast [-Wint-conversion] 85 | #define __pcpu_cast_8(val) (val) | ^ arch/loongarch/include/asm/percpu.h:89:35: note: in expansion of macro '__pcpu_cast_8' 89 | unsigned long __pcp_val = __pcpu_cast_##size(_val); \ | ^~~~~~~~~~~~ arch/loongarch/include/asm/percpu.h:171:36: note: in expansion of macro '_percpu_write' 171 | #define this_cpu_write_8(pcp, val) _percpu_write(8, pcp, val) | ^~~~~~~~~~~~~ include/linux/percpu-defs.h:368:25: note: in expansion of macro 'this_cpu_write_8' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~ include/linux/percpu-defs.h:490:41: note: in expansion of macro '__pcpu_size_call' 490 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val) | ^~~~~~~~~~~~~~~~ mm/slub.c:2937:9: note: in expansion of macro 'this_cpu_write' 2937 | this_cpu_write(s->cpu_slab->partial, NULL); | ^~~~~~~~~~~~~~ mm/slub.c: In function 'put_cpu_partial': arch/loongarch/include/asm/percpu.h:85:33: warning: initialization of 'long unsigned int' from 'struct slab *' makes integer from pointer without a cast [-Wint-conversion] 85 | #define __pcpu_cast_8(val) (val) | ^ arch/loongarch/include/asm/percpu.h:89:35: note: in expansion of macro '__pcpu_cast_8' 89 | unsigned long __pcp_val = __pcpu_cast_##size(_val); \ | ^~~~~~~~~~~~ arch/loongarch/include/asm/percpu.h:171:36: note: in expansion of macro '_percpu_write' 171 | #define this_cpu_write_8(pcp, val) _percpu_write(8, pcp, val) | ^~~~~~~~~~~~~ include/linux/percpu-defs.h:368:25: note: in expansion of macro 'this_cpu_write_8' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~ include/linux/percpu-defs.h:490:41: note: in expansion of macro '__pcpu_size_call' 490 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val) | ^~~~~~~~~~~~~~~~ mm/slub.c:2992:9: note: in expansion of macro 'this_cpu_write' 2992 | this_cpu_write(s->cpu_slab->partial, slab); | ^~~~~~~~~~~~~~ {standard input}: Assembler messages: {standard input}:8207: Error: no match insn: stx.d $r13 $r21,$r14 {standard input}:9031: Error: no match insn: stx.d $r15 $r21,$r13 -- In file included from include/linux/irqflags.h:19, from include/linux/spinlock.h:59, from include/linux/wait.h:9, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from include/linux/highmem.h:5, from include/linux/bvec.h:10, from include/linux/blk_types.h:10, from include/linux/blkdev.h:9, from mm/swapfile.c:9: include/linux/sched/mm.h: In function 'set_active_memcg': >> arch/loongarch/include/asm/percpu.h:85:33: warning: initialization of 'long unsigned int' from 'struct mem_cgroup *' makes integer from pointer without a cast [-Wint-conversion] 85 | #define __pcpu_cast_8(val) (val) | ^ arch/loongarch/include/asm/percpu.h:89:35: note: in expansion of macro '__pcpu_cast_8' 89 | unsigned long __pcp_val = __pcpu_cast_##size(_val); \ | ^~~~~~~~~~~~ arch/loongarch/include/asm/percpu.h:171:36: note: in expansion of macro '_percpu_write' 171 | #define this_cpu_write_8(pcp, val) _percpu_write(8, pcp, val) | ^~~~~~~~~~~~~ include/linux/percpu-defs.h:368:25: note: in expansion of macro 'this_cpu_write_8' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~ include/linux/percpu-defs.h:490:41: note: in expansion of macro '__pcpu_size_call' 490 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val) | ^~~~~~~~~~~~~~~~ include/linux/sched/mm.h:420:17: note: in expansion of macro 'this_cpu_write' 420 | this_cpu_write(int_active_memcg, memcg); | ^~~~~~~~~~~~~~ {standard input}: Assembler messages: {standard input}:1338: Error: no match insn: stx.w $r5 $r21,$r12 -- In file included from include/linux/irqflags.h:19, from include/linux/spinlock.h:59, from include/linux/sched.h:2134, from include/linux/cgroup.h:12, from include/linux/memcontrol.h:13, from mm/memcontrol.c:29: include/linux/sched/mm.h: In function 'set_active_memcg': >> arch/loongarch/include/asm/percpu.h:85:33: warning: initialization of 'long unsigned int' from 'struct mem_cgroup *' makes integer from pointer without a cast [-Wint-conversion] 85 | #define __pcpu_cast_8(val) (val) | ^ arch/loongarch/include/asm/percpu.h:89:35: note: in expansion of macro '__pcpu_cast_8' 89 | unsigned long __pcp_val = __pcpu_cast_##size(_val); \ | ^~~~~~~~~~~~ arch/loongarch/include/asm/percpu.h:171:36: note: in expansion of macro '_percpu_write' 171 | #define this_cpu_write_8(pcp, val) _percpu_write(8, pcp, val) | ^~~~~~~~~~~~~ include/linux/percpu-defs.h:368:25: note: in expansion of macro 'this_cpu_write_8' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~ include/linux/percpu-defs.h:490:41: note: in expansion of macro '__pcpu_size_call' 490 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val) | ^~~~~~~~~~~~~~~~ include/linux/sched/mm.h:420:17: note: in expansion of macro 'this_cpu_write' 420 | this_cpu_write(int_active_memcg, memcg); | ^~~~~~~~~~~~~~ {standard input}: Assembler messages: {standard input}:5759: Error: no match insn: stx.d $r4 $r21,$r12 {standard input}:5781: Error: no match insn: stx.d $r25 $r21,$r12 -- In file included from include/linux/irqflags.h:19, from include/linux/rcupdate.h:26, from include/linux/rculist.h:11, from include/linux/sched/signal.h:5, from fs/buffer.c:23: include/linux/sched/mm.h: In function 'set_active_memcg': >> arch/loongarch/include/asm/percpu.h:85:33: warning: initialization of 'long unsigned int' from 'struct mem_cgroup *' makes integer from pointer without a cast [-Wint-conversion] 85 | #define __pcpu_cast_8(val) (val) | ^ arch/loongarch/include/asm/percpu.h:89:35: note: in expansion of macro '__pcpu_cast_8' 89 | unsigned long __pcp_val = __pcpu_cast_##size(_val); \ | ^~~~~~~~~~~~ arch/loongarch/include/asm/percpu.h:171:36: note: in expansion of macro '_percpu_write' 171 | #define this_cpu_write_8(pcp, val) _percpu_write(8, pcp, val) | ^~~~~~~~~~~~~ include/linux/percpu-defs.h:368:25: note: in expansion of macro 'this_cpu_write_8' 368 | case 8: stem##8(variable, __VA_ARGS__);break; \ | ^~~~ include/linux/percpu-defs.h:490:41: note: in expansion of macro '__pcpu_size_call' 490 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val) | ^~~~~~~~~~~~~~~~ include/linux/sched/mm.h:420:17: note: in expansion of macro 'this_cpu_write' 420 | this_cpu_write(int_active_memcg, memcg); | ^~~~~~~~~~~~~~ {standard input}: Assembler messages: {standard input}:1678: Error: no match insn: stx.d $r13 $r21,$r12 {standard input}:1733: Error: no match insn: stx.d $r28 $r21,$r12 .. vim +85 arch/loongarch/include/asm/percpu.h 81 82 #define __pcpu_cast_1(val) (((unsigned long) val) & 0xff) 83 #define __pcpu_cast_2(val) (((unsigned long) val) & 0xffff) 84 #define __pcpu_cast_4(val) (((unsigned long) val) & 0xffffffff) > 85 #define __pcpu_cast_8(val) (val) 86 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki