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Message-ID: <202008170623.tYjq1wEa%lkp@intel.com>
Date: Mon, 17 Aug 2020 06:43:29 +0800
From: kernel test robot <lkp@...el.com>
To: Lukasz Luba <lukasz.luba@....com>
Cc: kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
linux-kernel@...r.kernel.org,
"Rafael J. Wysocki" <rjw@...ysocki.net>
Subject: include/linux/sched/topology.h:237:9: error: implicit declaration of
function 'cpu_logical_map'
Hi Lukasz,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5
commit: 1bc138c622959979eb547be2d3bbc6442a5c80b0 PM / EM: add support for other devices than CPUs in Energy Model
date: 8 weeks ago
config: mips-randconfig-r001-20200817 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ab9fc8bae805c785066779e76e7846aabad5609e)
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 mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
git checkout 1bc138c622959979eb547be2d3bbc6442a5c80b0
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war'
# define __SYNC_loongson3_war (1 << 31)
^
In file included from arch/mips/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:10:
In file included from include/linux/time.h:74:
In file included from include/linux/time32.h:13:
In file included from include/linux/timex.h:65:
In file included from arch/mips/include/asm/timex.h:19:
In file included from arch/mips/include/asm/cpu-type.h:12:
In file included from include/linux/smp.h:15:
include/linux/llist.h:222:9: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare]
return xchg(&head->first, NULL);
^
arch/mips/include/asm/cmpxchg.h:102:7: note: expanded from macro 'xchg'
if (!__SYNC_loongson3_war) \
^
arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war'
# define __SYNC_loongson3_war (1 << 31)
^
In file included from arch/mips/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:15:
In file included from include/linux/socket.h:8:
In file included from include/linux/uio.h:10:
In file included from include/crypto/hash.h:11:
In file included from include/linux/crypto.h:19:
In file included from include/linux/slab.h:15:
In file included from include/linux/gfp.h:9:
include/linux/topology.h:119:9: error: implicit declaration of function 'cpu_logical_map' [-Werror,-Wimplicit-function-declaration]
return cpu_to_node(raw_smp_processor_id());
^
arch/mips/include/asm/mach-loongson64/topology.h:7:27: note: expanded from macro 'cpu_to_node'
#define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2)
^
In file included from arch/mips/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:15:
In file included from include/linux/socket.h:8:
In file included from include/linux/uio.h:10:
In file included from include/crypto/hash.h:11:
In file included from include/linux/crypto.h:19:
In file included from include/linux/slab.h:15:
In file included from include/linux/gfp.h:9:
include/linux/topology.h:176:9: error: implicit declaration of function 'cpu_logical_map' [-Werror,-Wimplicit-function-declaration]
return cpu_to_node(cpu);
^
arch/mips/include/asm/mach-loongson64/topology.h:7:27: note: expanded from macro 'cpu_to_node'
#define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2)
^
In file included from arch/mips/kernel/asm-offsets.c:12:
In file included from include/linux/compat.h:15:
In file included from include/linux/socket.h:8:
In file included from include/linux/uio.h:10:
In file included from include/crypto/hash.h:11:
In file included from include/linux/crypto.h:19:
In file included from include/linux/slab.h:15:
In file included from include/linux/gfp.h:9:
include/linux/topology.h:210:25: error: implicit declaration of function 'cpu_logical_map' [-Werror,-Wimplicit-function-declaration]
return cpumask_of_node(cpu_to_node(cpu));
^
arch/mips/include/asm/mach-loongson64/topology.h:7:27: note: expanded from macro 'cpu_to_node'
#define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2)
^
In file included from arch/mips/kernel/asm-offsets.c:15:
In file included from include/linux/mm.h:32:
In file included from include/linux/pgtable.h:6:
arch/mips/include/asm/pgtable.h:210:3: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare]
cmpxchg64(&buddy->pte, 0, _PAGE_GLOBAL);
^
arch/mips/include/asm/cmpxchg.h:220:2: note: expanded from macro 'cmpxchg64'
cmpxchg((ptr), (o), (n)); \
^
arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg'
if (!__SYNC_loongson3_war) \
^
arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war'
# define __SYNC_loongson3_war (1 << 31)
^
In file included from arch/mips/kernel/asm-offsets.c:15:
In file included from include/linux/mm.h:32:
In file included from include/linux/pgtable.h:6:
arch/mips/include/asm/pgtable.h:210:3: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare]
arch/mips/include/asm/cmpxchg.h:220:2: note: expanded from macro 'cmpxchg64'
cmpxchg((ptr), (o), (n)); \
^
arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg'
if (!__SYNC_loongson3_war) \
^
arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war'
# define __SYNC_loongson3_war (1 << 31)
^
In file included from arch/mips/kernel/asm-offsets.c:17:
In file included from include/linux/suspend.h:5:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:22:
In file included from include/linux/writeback.h:14:
In file included from include/linux/blk-cgroup.h:23:
In file included from include/linux/blkdev.h:11:
In file included from include/linux/genhd.h:36:
In file included from include/linux/device.h:16:
In file included from include/linux/energy_model.h:10:
>> include/linux/sched/topology.h:237:9: error: implicit declaration of function 'cpu_logical_map' [-Werror,-Wimplicit-function-declaration]
return cpu_to_node(task_cpu(p));
^
arch/mips/include/asm/mach-loongson64/topology.h:7:27: note: expanded from macro 'cpu_to_node'
#define cpu_to_node(cpu) (cpu_logical_map(cpu) >> 2)
^
In file included from arch/mips/kernel/asm-offsets.c:24:
include/linux/kvm_host.h:332:9: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare]
return cmpxchg(&vcpu->mode, IN_GUEST_MODE, EXITING_GUEST_MODE);
^
arch/mips/include/asm/cmpxchg.h:194:7: note: expanded from macro 'cmpxchg'
if (!__SYNC_loongson3_war) \
^
arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war'
# define __SYNC_loongson3_war (1 << 31)
^
In file included from arch/mips/kernel/asm-offsets.c:24:
include/linux/kvm_host.h:332:9: warning: converting the result of '<<' to a boolean always evaluates to true [-Wtautological-constant-compare]
arch/mips/include/asm/cmpxchg.h:204:7: note: expanded from macro 'cmpxchg'
if (!__SYNC_loongson3_war) \
^
arch/mips/include/asm/sync.h:147:34: note: expanded from macro '__SYNC_loongson3_war'
# define __SYNC_loongson3_war (1 << 31)
^
arch/mips/kernel/asm-offsets.c:26:6: warning: no previous prototype for function 'output_ptreg_defines' [-Wmissing-prototypes]
void output_ptreg_defines(void)
^
arch/mips/kernel/asm-offsets.c:26:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_ptreg_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:78:6: warning: no previous prototype for function 'output_task_defines' [-Wmissing-prototypes]
void output_task_defines(void)
^
arch/mips/kernel/asm-offsets.c:78:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_task_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:93:6: warning: no previous prototype for function 'output_thread_info_defines' [-Wmissing-prototypes]
void output_thread_info_defines(void)
^
arch/mips/kernel/asm-offsets.c:93:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_thread_info_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:110:6: warning: no previous prototype for function 'output_thread_defines' [-Wmissing-prototypes]
void output_thread_defines(void)
^
arch/mips/kernel/asm-offsets.c:110:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_thread_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:181:6: warning: no previous prototype for function 'output_mm_defines' [-Wmissing-prototypes]
void output_mm_defines(void)
^
arch/mips/kernel/asm-offsets.c:181:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_mm_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:242:6: warning: no previous prototype for function 'output_sc_defines' [-Wmissing-prototypes]
void output_sc_defines(void)
^
arch/mips/kernel/asm-offsets.c:242:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_sc_defines(void)
^
static
arch/mips/kernel/asm-offsets.c:255:6: warning: no previous prototype for function 'output_signal_defined' [-Wmissing-prototypes]
void output_signal_defined(void)
^
arch/mips/kernel/asm-offsets.c:255:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_signal_defined(void)
^
static
arch/mips/kernel/asm-offsets.c:322:6: warning: no previous prototype for function 'output_pbe_defines' [-Wmissing-prototypes]
void output_pbe_defines(void)
^
arch/mips/kernel/asm-offsets.c:322:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void output_pbe_defines(void)
^
static
22 warnings and 4 errors generated.
make[2]: *** [scripts/Makefile.build:114: arch/mips/kernel/asm-offsets.s] Error 1
make[2]: Target 'missing-syscalls' not remade because of errors.
make[1]: *** [arch/mips/Makefile:397: archprepare] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:185: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1bc138c622959979eb547be2d3bbc6442a5c80b0
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 1bc138c622959979eb547be2d3bbc6442a5c80b0
vim +/cpu_logical_map +237 include/linux/sched/topology.h
36a0df85d2e85e1 Thara Gopinath 2020-02-21 234
ee6a3d19f15b9b1 Ingo Molnar 2017-02-06 235 static inline int task_node(const struct task_struct *p)
ee6a3d19f15b9b1 Ingo Molnar 2017-02-06 236 {
ee6a3d19f15b9b1 Ingo Molnar 2017-02-06 @237 return cpu_to_node(task_cpu(p));
ee6a3d19f15b9b1 Ingo Molnar 2017-02-06 238 }
ee6a3d19f15b9b1 Ingo Molnar 2017-02-06 239
:::::: The code at line 237 was first introduced by commit
:::::: ee6a3d19f15b9b10075481088b8d4537f286d7b4 sched/headers: Remove the <linux/topology.h> include from <linux/sched.h>
:::::: TO: Ingo Molnar <mingo@...nel.org>
:::::: CC: Ingo Molnar <mingo@...nel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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