6:29 a.m.
Hi Jiaxun,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2cc3c4b3c2e9c99e90aaf19cd801ff2c160f283c
commit: 71e2f4dd5a65bd8dbca0b77661e75eea471168f8 MIPS: Fork loongson2ef from loongson64
date: 10 months 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 71e2f4dd5a65bd8dbca0b77661e75eea471168f8
# 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(a)intel.com>
All errors (new ones prefixed by >>):
clang-12: warning: argument unused during compilation: '-mno-branch-likely'
[-Wunused-command-line-argument]
error: unknown target CPU 'r4600'
note: valid target CPU values are: mips1, mips2, mips3, mips4, mips5, mips32, mips32r2,
mips32r3, mips32r5, mips32r6, mips64, mips64r2, mips64r3, mips64r5, mips64r6, octeon,
octeon+, p5600
clang-12: warning: argument unused during compilation: '-mno-branch-likely'
[-Wunused-command-line-argument]
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:193:9: 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:227:25: 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)
^
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
8 warnings and 3 errors generated.
make[2]: *** [scripts/Makefile.build:99: arch/mips/kernel/asm-offsets.s] Error 1
make[2]: Target 'missing-syscalls' not remade because of errors.
make[1]: *** [arch/mips/Makefile:414: archprepare] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:179: 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...
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 71e2f4dd5a65bd8dbca0b77661e75eea471168f8
vim +/cpu_logical_map +119 include/linux/topology.h
7281201922a006 Lee Schermerhorn 2010-05-26 114
7281201922a006 Lee Schermerhorn 2010-05-26 115 /* Returns the number of the current
Node. */
7281201922a006 Lee Schermerhorn 2010-05-26 116 #ifndef numa_node_id
7281201922a006 Lee Schermerhorn 2010-05-26 117 static inline int numa_node_id(void)
7281201922a006 Lee Schermerhorn 2010-05-26 118 {
7281201922a006 Lee Schermerhorn 2010-05-26 @119 return
cpu_to_node(raw_smp_processor_id());
7281201922a006 Lee Schermerhorn 2010-05-26 120 }
7281201922a006 Lee Schermerhorn 2010-05-26 121 #endif
7281201922a006 Lee Schermerhorn 2010-05-26 122
:::::: The code at line 119 was first introduced by commit
:::::: 7281201922a0063fa60804ce39c277fc98142a47 numa: add generic percpu var
numa_node_id() implementation
:::::: TO: Lee Schermerhorn <lee.schermerhorn(a)hp.com>
:::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org