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From: kernel test robot <lkp@intel.com>
To: Peter Oskolkov <posk@posk.io>, Ingo Molnar <mingo@redhat.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	linux-kernel@vger.kernel.org, linux-api@vger.kernel.org
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
	Linux Memory Management List <linux-mm@kvack.org>,
	Paul Turner <pjt@google.com>
Subject: Re: [PATCH v0.7 3/5] sched/umcg: implement UMCG syscalls
Date: Sat, 16 Oct 2021 05:40:59 +0800	[thread overview]
Message-ID: <202110160515.t9TVhp3q-lkp@intel.com> (raw)
In-Reply-To: <20211012232522.714898-4-posk@google.com>

[-- Attachment #1: Type: text/plain, Size: 14819 bytes --]

Hi Peter,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tip/sched/core]
[cannot apply to tip/master tip/x86/core hnaz-mm/master arnd-asm-generic/master linus/master tip/x86/asm tip/core/entry v5.15-rc5 next-20211015]
[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]

url:    https://github.com/0day-ci/linux/commits/Peter-Oskolkov/sched-mm-x86-uaccess-implement-User-Managed-Concurrency-Groups/20211013-072710
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git b2d5b9cec60fecc72a13191c2c6c05acf60975a5
config: arm64-randconfig-r015-20211014 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project acb3b187c4c88650a6a717a1bcb234d27d0d7f54)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/0day-ci/linux/commit/0dcffc800cf354f683ff5c495baa0070dfb60afb
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Peter-Oskolkov/sched-mm-x86-uaccess-implement-User-Managed-Concurrency-Groups/20211013-072710
        git checkout 0dcffc800cf354f683ff5c495baa0070dfb60afb
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:141:1: note: expanded from here
   __arm64_sys_mremap
   ^
   kernel/sys_ni.c:262:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:265:1: warning: no previous prototype for function '__arm64_sys_add_key' [-Wmissing-prototypes]
   COND_SYSCALL(add_key);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:142:1: note: expanded from here
   __arm64_sys_add_key
   ^
   kernel/sys_ni.c:265:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:266:1: warning: no previous prototype for function '__arm64_sys_request_key' [-Wmissing-prototypes]
   COND_SYSCALL(request_key);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:143:1: note: expanded from here
   __arm64_sys_request_key
   ^
   kernel/sys_ni.c:266:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:267:1: warning: no previous prototype for function '__arm64_sys_keyctl' [-Wmissing-prototypes]
   COND_SYSCALL(keyctl);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:144:1: note: expanded from here
   __arm64_sys_keyctl
   ^
   kernel/sys_ni.c:267:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:268:1: warning: no previous prototype for function '__arm64_compat_sys_keyctl' [-Wmissing-prototypes]
   COND_SYSCALL_COMPAT(keyctl);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:41:25: note: expanded from macro 'COND_SYSCALL_COMPAT'
           asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs)    \
                                  ^
   <scratch space>:145:1: note: expanded from here
   __arm64_compat_sys_keyctl
   ^
   kernel/sys_ni.c:268:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:41:13: note: expanded from macro 'COND_SYSCALL_COMPAT'
           asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs)    \
                      ^
   kernel/sys_ni.c:271:1: warning: no previous prototype for function '__arm64_sys_landlock_create_ruleset' [-Wmissing-prototypes]
   COND_SYSCALL(landlock_create_ruleset);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:146:1: note: expanded from here
   __arm64_sys_landlock_create_ruleset
   ^
   kernel/sys_ni.c:271:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:272:1: warning: no previous prototype for function '__arm64_sys_landlock_add_rule' [-Wmissing-prototypes]
   COND_SYSCALL(landlock_add_rule);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:147:1: note: expanded from here
   __arm64_sys_landlock_add_rule
   ^
   kernel/sys_ni.c:272:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:273:1: warning: no previous prototype for function '__arm64_sys_landlock_restrict_self' [-Wmissing-prototypes]
   COND_SYSCALL(landlock_restrict_self);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:148:1: note: expanded from here
   __arm64_sys_landlock_restrict_self
   ^
   kernel/sys_ni.c:273:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
>> kernel/sys_ni.c:276:1: warning: no previous prototype for function '__arm64_sys_umcg_ctl' [-Wmissing-prototypes]
   COND_SYSCALL(umcg_ctl);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:149:1: note: expanded from here
   __arm64_sys_umcg_ctl
   ^
   kernel/sys_ni.c:276:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
>> kernel/sys_ni.c:277:1: warning: no previous prototype for function '__arm64_sys_umcg_wait' [-Wmissing-prototypes]
   COND_SYSCALL(umcg_wait);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:150:1: note: expanded from here
   __arm64_sys_umcg_wait
   ^
   kernel/sys_ni.c:277:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:282:1: warning: no previous prototype for function '__arm64_sys_fadvise64_64' [-Wmissing-prototypes]
   COND_SYSCALL(fadvise64_64);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:151:1: note: expanded from here
   __arm64_sys_fadvise64_64
   ^
   kernel/sys_ni.c:282:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:285:1: warning: no previous prototype for function '__arm64_sys_swapon' [-Wmissing-prototypes]
   COND_SYSCALL(swapon);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:152:1: note: expanded from here
   __arm64_sys_swapon
   ^
   kernel/sys_ni.c:285:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:286:1: warning: no previous prototype for function '__arm64_sys_swapoff' [-Wmissing-prototypes]
   COND_SYSCALL(swapoff);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:153:1: note: expanded from here
   __arm64_sys_swapoff
   ^
   kernel/sys_ni.c:286:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:287:1: warning: no previous prototype for function '__arm64_sys_mprotect' [-Wmissing-prototypes]
   COND_SYSCALL(mprotect);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:154:1: note: expanded from here
   __arm64_sys_mprotect
   ^
   kernel/sys_ni.c:287:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:288:1: warning: no previous prototype for function '__arm64_sys_msync' [-Wmissing-prototypes]
   COND_SYSCALL(msync);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:155:1: note: expanded from here
   __arm64_sys_msync
   ^
   kernel/sys_ni.c:288:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:289:1: warning: no previous prototype for function '__arm64_sys_mlock' [-Wmissing-prototypes]
   COND_SYSCALL(mlock);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:156:1: note: expanded from here
   __arm64_sys_mlock
   ^
   kernel/sys_ni.c:289:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:290:1: warning: no previous prototype for function '__arm64_sys_munlock' [-Wmissing-prototypes]
   COND_SYSCALL(munlock);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:157:1: note: expanded from here
   __arm64_sys_munlock
   ^
   kernel/sys_ni.c:290:1: note: declare 'static' if the function is not intended to be used outside of this translation unit


vim +/__arm64_sys_umcg_ctl +276 kernel/sys_ni.c

   274	
   275	/* kernel/sched/umcg.c */
 > 276	COND_SYSCALL(umcg_ctl);
 > 277	COND_SYSCALL(umcg_wait);
   278	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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  parent reply	other threads:[~2021-10-15 21:41 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-12 23:25 [PATCH v0.7 0/5] sched,mm,x86/uaccess: implement User Managed Concurrency Groups Peter Oskolkov
2021-10-12 23:25 ` [PATCH v0.7 1/5] sched/umcg: add WF_CURRENT_CPU and externise ttwu Peter Oskolkov
2021-10-12 23:25 ` [PATCH v0.7 2/5] mm, x86/uaccess: add userspace atomic helpers Peter Oskolkov
2021-10-26 23:21   ` Peter Oskolkov
2021-10-12 23:25 ` [PATCH v0.7 3/5] sched/umcg: implement UMCG syscalls Peter Oskolkov
2021-10-13 19:43   ` kernel test robot
2021-10-13 21:47   ` kernel test robot
2021-10-15 21:40   ` kernel test robot [this message]
2021-10-18 15:23   ` Tao Zhou
2021-10-12 23:25 ` [PATCH v0.7 4/5] sched/umcg: add Documentation/userspace-api/umcg.rst Peter Oskolkov
2021-10-12 23:25 ` [PATCH v0.7 5/5] sched/umcg: add Documentation/userspace-api/umcg.txt Peter Oskolkov
2021-10-18 14:50   ` Tao Zhou

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