4:05 a.m.
Hi Jens,
I love your patch! Yet something to improve:
[auto build test ERROR on linux/master]
[also build test ERROR on tip/sched/core linus/master v5.12-rc3 next-20210319]
[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/Jens-Axboe/PF_IO_WORKER-signal-t...
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
a74e6a014c9d4d4161061f770c9b4f98372ac778
config: s390-randconfig-r014-20210321 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
436c6c9c20cc522c92a923440a5fc509c342a7db)
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 s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
#
https://github.com/0day-ci/linux/commit/05c70f370b93f3bf555e63293d43a82aa...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Jens-Axboe/PF_IO_WORKER-signal-tweaks/20210320-234247
git checkout 05c70f370b93f3bf555e63293d43a82aab2fcdf3
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390
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 >>):
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:15:
In file included from include/linux/mm.h:707:
In file included from include/linux/huge_mm.h:8:
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:
> include/linux/sched/signal.h:673:33: error: expected ';'
after return statement
return p1->signal == p2->signal
^
;
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:33:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:36:
In file included from arch/s390/include/asm/kvm_para.h:25:
In file included from arch/s390/include/asm/diag.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:36:59: note: expanded from macro
'__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:105:32: note: expanded from macro '__swab16'
(__builtin_constant_p((__u16)(x)) ? \
^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:33:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:36:
In file included from arch/s390/include/asm/kvm_para.h:25:
In file included from arch/s390/include/asm/diag.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:36:59: note: expanded from macro
'__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:106:21: note: expanded from macro '__swab16'
___constant_swab16(x) : \
^
include/uapi/linux/swab.h:15:12: note: expanded from macro
'___constant_swab16'
(((__u16)(x) & (__u16)0x00ffU) << 8) | \
^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:33:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:36:
In file included from arch/s390/include/asm/kvm_para.h:25:
In file included from arch/s390/include/asm/diag.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:36:59: note: expanded from macro
'__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:106:21: note: expanded from macro '__swab16'
___constant_swab16(x) : \
^
include/uapi/linux/swab.h:16:12: note: expanded from macro
'___constant_swab16'
(((__u16)(x) & (__u16)0xff00U) >> 8)))
^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:33:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:36:
In file included from arch/s390/include/asm/kvm_para.h:25:
In file included from arch/s390/include/asm/diag.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:36:59: note: expanded from macro
'__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:107:12: note: expanded from macro '__swab16'
__fswab16(x))
^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:33:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:36:
In file included from arch/s390/include/asm/kvm_para.h:25:
In file included from arch/s390/include/asm/diag.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
--
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:15:
In file included from include/linux/mm.h:707:
In file included from include/linux/huge_mm.h:8:
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:
> include/linux/sched/signal.h:673:33: error: expected ';'
after return statement
return p1->signal == p2->signal
^
;
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:33:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:36:
In file included from arch/s390/include/asm/kvm_para.h:25:
In file included from arch/s390/include/asm/diag.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:36:59: note: expanded from macro
'__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:105:32: note: expanded from macro '__swab16'
(__builtin_constant_p((__u16)(x)) ? \
^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:33:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:36:
In file included from arch/s390/include/asm/kvm_para.h:25:
In file included from arch/s390/include/asm/diag.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:36:59: note: expanded from macro
'__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:106:21: note: expanded from macro '__swab16'
___constant_swab16(x) : \
^
include/uapi/linux/swab.h:15:12: note: expanded from macro
'___constant_swab16'
(((__u16)(x) & (__u16)0x00ffU) << 8) | \
^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:33:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:36:
In file included from arch/s390/include/asm/kvm_para.h:25:
In file included from arch/s390/include/asm/diag.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:36:59: note: expanded from macro
'__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:106:21: note: expanded from macro '__swab16'
___constant_swab16(x) : \
^
include/uapi/linux/swab.h:16:12: note: expanded from macro
'___constant_swab16'
(((__u16)(x) & (__u16)0xff00U) >> 8)))
^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:33:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:36:
In file included from arch/s390/include/asm/kvm_para.h:25:
In file included from arch/s390/include/asm/diag.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:80:
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:36:59: note: expanded from macro
'__le16_to_cpu'
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
^
include/uapi/linux/swab.h:107:12: note: expanded from macro '__swab16'
__fswab16(x))
^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:33:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:36:
In file included from arch/s390/include/asm/kvm_para.h:25:
In file included from arch/s390/include/asm/diag.h:12:
In file included from include/linux/if_ether.h:19:
In file included from include/linux/skbuff.h:31:
vim +673 include/linux/sched/signal.h
669
670 static inline
671 bool same_thread_group_account(struct task_struct *p1, struct task_struct *p2)
672 {
673 return p1->signal == p2->signal
674 }
675
---
0-DAY CI Kernel Test Service, Intel Corporation
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