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X-CSE-ConnectionGUID: FA9vjiMxRxuoNuKEr4lGtQ== X-CSE-MsgGUID: +OVPFbwnT6WBJX23L03htA== X-IronPort-AV: E=McAfee;i="6800,10657,11555"; a="60393775" X-IronPort-AV: E=Sophos;i="6.18,269,1751266800"; d="scan'208";a="60393775" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Sep 2025 08:56:23 -0700 X-CSE-ConnectionGUID: 9AvNrVEQR92yo/d6J1r/OQ== X-CSE-MsgGUID: rcwVnKqRTNyvw6rm9RmTkw== X-ExtLoop1: 1 Received: from lkp-server01.sh.intel.com (HELO 84a20bd60769) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 16 Sep 2025 08:56:19 -0700 Received: from kbuild by 84a20bd60769 with local (Exim 4.96) (envelope-from ) id 1uyY2T-0000RD-0L; Tue, 16 Sep 2025 15:56:17 +0000 Date: Tue, 16 Sep 2025 23:55:39 +0800 From: kernel test robot To: Drew Fustini , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Conor Dooley , Rob Herring , Krzysztof Kozlowski Cc: oe-kbuild-all@lists.linux.dev, Kornel =?utf-8?Q?Dul=C4=99ba?= , Adrien Ricciardi , James Morse , Atish Kumar Patra , Atish Patra , Vasudevan Srinivasan , guo.wenjia23@zte.com.cn, liu.qingtao2@zte.com.cn, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Drew Fustini Subject: Re: [PATCH v2 3/3] RISC-V: Add support for srmcfg CSR from Ssqosid ext Message-ID: <202509162355.wByessnb-lkp@intel.com> References: <20250915-ssqosid-v6-17-rc5-v2-3-2d4b0254dfd6@kernel.org> Precedence: bulk X-Mailing-List: devicetree@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: <20250915-ssqosid-v6-17-rc5-v2-3-2d4b0254dfd6@kernel.org> Hi Drew, kernel test robot noticed the following build errors: [auto build test ERROR on 76eeb9b8de9880ca38696b2fb56ac45ac0a25c6c] url: https://github.com/intel-lab-lkp/linux/commits/Drew-Fustini/dt-bindings-riscv-Add-Ssqosid-extension-description/20250916-131818 base: 76eeb9b8de9880ca38696b2fb56ac45ac0a25c6c patch link: https://lore.kernel.org/r/20250915-ssqosid-v6-17-rc5-v2-3-2d4b0254dfd6%40kernel.org patch subject: [PATCH v2 3/3] RISC-V: Add support for srmcfg CSR from Ssqosid ext config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20250916/202509162355.wByessnb-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250916/202509162355.wByessnb-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/202509162355.wByessnb-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/sched/core.c: In function 'context_switch': >> kernel/sched/core.c:5357:35: error: macro '__switch_to_srmcfg' passed 1 arguments, but takes just 0 5357 | switch_to(prev, next, prev); | ^ In file included from arch/riscv/include/asm/switch_to.h:17, from kernel/sched/core.c:80: arch/riscv/include/asm/qos.h:38:9: note: macro '__switch_to_srmcfg' defined here 38 | #define __switch_to_srmcfg() do { } while (0) | ^~~~~~~~~~~~~~~~~~ >> arch/riscv/include/asm/switch_to.h:124:17: error: '__switch_to_srmcfg' undeclared (first use in this function); did you mean '__switch_to_envcfg'? 124 | __switch_to_srmcfg(__next); \ | ^~~~~~~~~~~~~~~~~~ kernel/sched/core.c:5357:9: note: in expansion of macro 'switch_to' 5357 | switch_to(prev, next, prev); | ^~~~~~~~~ arch/riscv/include/asm/switch_to.h:124:17: note: each undeclared identifier is reported only once for each function it appears in 124 | __switch_to_srmcfg(__next); \ | ^~~~~~~~~~~~~~~~~~ kernel/sched/core.c:5357:9: note: in expansion of macro 'switch_to' 5357 | switch_to(prev, next, prev); | ^~~~~~~~~ vim +/__switch_to_srmcfg +5357 kernel/sched/core.c ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 5296 ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 5297 /* dfa50b605c2a93 kernel/sched/core.c Oleg Nesterov 2014-10-09 5298 * context_switch - switch to the new MM and the new thread's register state. ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 5299 */ 049369487e2068 kernel/sched/core.c Josh Poimboeuf 2016-02-28 5300 static __always_inline struct rq * 70b97a7f0b19cf kernel/sched.c Ingo Molnar 2006-07-03 5301 context_switch(struct rq *rq, struct task_struct *prev, d8ac897137a230 kernel/sched/core.c Matt Fleming 2016-09-21 5302 struct task_struct *next, struct rq_flags *rf) ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 5303 { e107be36efb2a2 kernel/sched.c Avi Kivity 2007-07-26 5304 prepare_task_switch(rq, prev, next); fe4b04fa31a6dc kernel/sched.c Peter Zijlstra 2011-02-02 5305 9226d125d94c7e kernel/sched.c Zachary Amsden 2007-02-13 5306 /* 9226d125d94c7e kernel/sched.c Zachary Amsden 2007-02-13 5307 * For paravirt, this is coupled with an exit in switch_to to 9226d125d94c7e kernel/sched.c Zachary Amsden 2007-02-13 5308 * combine the page table reload and the switch backend into 9226d125d94c7e kernel/sched.c Zachary Amsden 2007-02-13 5309 * one hypercall. 9226d125d94c7e kernel/sched.c Zachary Amsden 2007-02-13 5310 */ 224101ed69d3fb kernel/sched.c Jeremy Fitzhardinge 2009-02-18 5311 arch_start_context_switch(prev); 9226d125d94c7e kernel/sched.c Zachary Amsden 2007-02-13 5312 306e060435d7a3 kernel/sched/core.c Mathieu Desnoyers 2018-01-29 5313 /* 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5314 * kernel -> kernel lazy + transfer active aa464ba9a1e444 kernel/sched/core.c Nicholas Piggin 2023-02-03 5315 * user -> kernel lazy + mmgrab_lazy_tlb() active 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5316 * aa464ba9a1e444 kernel/sched/core.c Nicholas Piggin 2023-02-03 5317 * kernel -> user switch + mmdrop_lazy_tlb() active 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5318 * user -> user switch 223baf9d17f25e kernel/sched/core.c Mathieu Desnoyers 2023-04-20 5319 * 223baf9d17f25e kernel/sched/core.c Mathieu Desnoyers 2023-04-20 5320 * switch_mm_cid() needs to be updated if the barriers provided 223baf9d17f25e kernel/sched/core.c Mathieu Desnoyers 2023-04-20 5321 * by context_switch() are modified. 306e060435d7a3 kernel/sched/core.c Mathieu Desnoyers 2018-01-29 5322 */ 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5323 if (!next->mm) { // to kernel 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5324 enter_lazy_tlb(prev->active_mm, next); ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 5325 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5326 next->active_mm = prev->active_mm; 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5327 if (prev->mm) // from user aa464ba9a1e444 kernel/sched/core.c Nicholas Piggin 2023-02-03 5328 mmgrab_lazy_tlb(prev->active_mm); 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5329 else 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5330 prev->active_mm = NULL; 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5331 } else { // to user 227a4aadc75ba2 kernel/sched/core.c Mathieu Desnoyers 2019-09-19 5332 membarrier_switch_mm(rq, prev->active_mm, next->mm); 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5333 /* 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5334 * sys_membarrier() requires an smp_mb() between setting 227a4aadc75ba2 kernel/sched/core.c Mathieu Desnoyers 2019-09-19 5335 * rq->curr / membarrier_switch_mm() and returning to userspace. 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5336 * 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5337 * The below provides this either through switch_mm(), or in 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5338 * case 'prev->active_mm == next->mm' through 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5339 * finish_task_switch()'s mmdrop(). 306e060435d7a3 kernel/sched/core.c Mathieu Desnoyers 2018-01-29 5340 */ 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5341 switch_mm_irqs_off(prev->active_mm, next->mm, next); bd74fdaea14602 kernel/sched/core.c Yu Zhao 2022-09-18 5342 lru_gen_use_mm(next->mm); 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5343 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5344 if (!prev->mm) { // from kernel aa464ba9a1e444 kernel/sched/core.c Nicholas Piggin 2023-02-03 5345 /* will mmdrop_lazy_tlb() in finish_task_switch(). */ 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5346 rq->prev_mm = prev->active_mm; ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 5347 prev->active_mm = NULL; 139d025cda1da5 kernel/sched/core.c Peter Zijlstra 2019-07-29 5348 } ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 5349 } 92509b732baf14 kernel/sched/core.c Matt Fleming 2016-09-21 5350 223baf9d17f25e kernel/sched/core.c Mathieu Desnoyers 2023-04-20 5351 /* switch_mm_cid() requires the memory barriers above. */ 223baf9d17f25e kernel/sched/core.c Mathieu Desnoyers 2023-04-20 5352 switch_mm_cid(rq, prev, next); 223baf9d17f25e kernel/sched/core.c Mathieu Desnoyers 2023-04-20 5353 269d599271fa60 kernel/sched/core.c Peter Zijlstra 2018-02-06 5354 prepare_lock_switch(rq, next, rf); ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 5355 ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 5356 /* Here we just switch the register state and the stack. */ ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 @5357 switch_to(prev, next, prev); dd41f596cda0d7 kernel/sched.c Ingo Molnar 2007-07-09 5358 barrier(); dfa50b605c2a93 kernel/sched/core.c Oleg Nesterov 2014-10-09 5359 dfa50b605c2a93 kernel/sched/core.c Oleg Nesterov 2014-10-09 5360 return finish_task_switch(prev); ^1da177e4c3f41 kernel/sched.c Linus Torvalds 2005-04-16 5361 } f711f6090a81cb kernel/sched.c Gautham R Shenoy 2009-04-14 5362 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki