[PATCH kernel v2] powerpc/kuap: Restore AMR after replaying soft interrupts
kernel test robot
lkp at intel.com
Sat Dec 5 08:02:52 AEDT 2020
Hi Alexey,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.10-rc6 next-20201204]
[cannot apply to powerpc/next scottwood/next]
[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/Alexey-Kardashevskiy/powerpc-kuap-Restore-AMR-after-replaying-soft-interrupts/20201203-135010
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 34816d20f173a90389c8a7e641166d8ea9dce70a
config: powerpc64-randconfig-r023-20201204 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 32c501dd88b62787d3a5ffda7aabcf4650dbe3cd)
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 powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
# https://github.com/0day-ci/linux/commit/d2a99260ef6d241abe6fb961ee3ed84bbc5db7f5
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Alexey-Kardashevskiy/powerpc-kuap-Restore-AMR-after-replaying-soft-interrupts/20201203-135010
git checkout d2a99260ef6d241abe6fb961ee3ed84bbc5db7f5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All errors (new ones prefixed by >>):
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:11:
In file included from include/linux/uaccess.h:11:
In file included from arch/powerpc/include/asm/uaccess.h:9:
>> arch/powerpc/include/asm/kup.h:71:29: error: redefinition of 'get_kuap'
static inline unsigned long get_kuap(void)
^
arch/powerpc/include/asm/book3s/64/kup-radix.h:152:29: note: previous definition is here
static inline unsigned long get_kuap(void)
^
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:11:
In file included from include/linux/uaccess.h:11:
In file included from arch/powerpc/include/asm/uaccess.h:9:
>> arch/powerpc/include/asm/kup.h:76:20: error: redefinition of 'set_kuap'
static inline void set_kuap(unsigned long value) { }
^
arch/powerpc/include/asm/book3s/64/kup-radix.h:157:20: note: previous definition is here
static inline void set_kuap(unsigned long value) { }
^
In file included from arch/powerpc/kernel/asm-offsets.c:21:
include/linux/mman.h:155:9: warning: division by zero is undefined [-Wdivision-by-zero]
_calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ) |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans'
: ((x) & (bit1)) / ((bit1) / (bit2))))
^ ~~~~~~~~~~~~~~~~~
include/linux/mman.h:156:9: warning: division by zero is undefined [-Wdivision-by-zero]
_calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans'
: ((x) & (bit1)) / ((bit1) / (bit2))))
^ ~~~~~~~~~~~~~~~~~
2 warnings and 2 errors generated.
--
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:11:
In file included from include/linux/uaccess.h:11:
In file included from arch/powerpc/include/asm/uaccess.h:9:
>> arch/powerpc/include/asm/kup.h:71:29: error: redefinition of 'get_kuap'
static inline unsigned long get_kuap(void)
^
arch/powerpc/include/asm/book3s/64/kup-radix.h:152:29: note: previous definition is here
static inline unsigned long get_kuap(void)
^
In file included from arch/powerpc/kernel/asm-offsets.c:14:
In file included from include/linux/compat.h:17:
In file included from include/linux/fs.h:33:
In file included from include/linux/percpu-rwsem.h:7:
In file included from include/linux/rcuwait.h:6:
In file included from include/linux/sched/signal.h:9:
In file included from include/linux/sched/task.h:11:
In file included from include/linux/uaccess.h:11:
In file included from arch/powerpc/include/asm/uaccess.h:9:
>> arch/powerpc/include/asm/kup.h:76:20: error: redefinition of 'set_kuap'
static inline void set_kuap(unsigned long value) { }
^
arch/powerpc/include/asm/book3s/64/kup-radix.h:157:20: note: previous definition is here
static inline void set_kuap(unsigned long value) { }
^
In file included from arch/powerpc/kernel/asm-offsets.c:21:
include/linux/mman.h:155:9: warning: division by zero is undefined [-Wdivision-by-zero]
_calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ) |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans'
: ((x) & (bit1)) / ((bit1) / (bit2))))
^ ~~~~~~~~~~~~~~~~~
include/linux/mman.h:156:9: warning: division by zero is undefined [-Wdivision-by-zero]
_calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) |
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans'
: ((x) & (bit1)) / ((bit1) / (bit2))))
^ ~~~~~~~~~~~~~~~~~
2 warnings and 2 errors generated.
make[2]: *** [scripts/Makefile.build:117: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1198: prepare0] 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.
vim +/get_kuap +71 arch/powerpc/include/asm/kup.h
69
70 static inline void kuap_check_amr(void) { }
> 71 static inline unsigned long get_kuap(void)
72 {
73 return AMR_KUAP_BLOCKED;
74 }
75
> 76 static inline void set_kuap(unsigned long value) { }
77
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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