10:55 p.m.
Hi Jing,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on 39be2e28180a2e87af5fbb8d83643812e1a3b371]
url:
https://github.com/0day-ci/linux/commits/Jing-Zhang/Remove-duplicated-sta...
base: 39be2e28180a2e87af5fbb8d83643812e1a3b371
config: s390-randconfig-r022-20210615 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project
64720f57bea6a6bf033feef4a5751ab9c0c3b401)
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/2145147a4e85c8196c004804d103c1a3d...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Jing-Zhang/Remove-duplicated-stats-definitions-for-debugfs/20210616-151523
git checkout 2145147a4e85c8196c004804d103c1a3d7adeffe
# 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/kvm/kvm-s390.c:23:
In file included from include/linux/kvm_host.h:35:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:37:
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:75:
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:102:54: note: expanded from macro '__swab16'
#define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
^
In file included from arch/s390/kvm/kvm-s390.c:23:
In file included from include/linux/kvm_host.h:35:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:37:
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:75:
include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro
'__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
#define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
^
In file included from arch/s390/kvm/kvm-s390.c:23:
In file included from include/linux/kvm_host.h:35:
In file included from include/linux/kvm_para.h:5:
In file included from include/uapi/linux/kvm_para.h:37:
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:75:
include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:609:20: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
> arch/s390/kvm/kvm-s390.c:63:2: error: implicit declaration of
function 'STATS_DESC_COUNTR' [-Werror,-Wimplicit-function-declaration]
STATS_DESC_COUNTR(VM, inject_io),
^
> arch/s390/kvm/kvm-s390.c:63:20: error: use of undeclared
identifier 'VM'
STATS_DESC_COUNTR(VM, inject_io),
^
> arch/s390/kvm/kvm-s390.c:63:24: error: use of undeclared
identifier 'inject_io'
STATS_DESC_COUNTR(VM, inject_io),
^
arch/s390/kvm/kvm-s390.c:64:20: error: use of undeclared identifier 'VM'
STATS_DESC_COUNTR(VM, inject_float_mchk),
^
> arch/s390/kvm/kvm-s390.c:64:24: error: use of undeclared
identifier 'inject_float_mchk'
STATS_DESC_COUNTR(VM,
inject_float_mchk),
^
arch/s390/kvm/kvm-s390.c:65:20: error: use of undeclared identifier 'VM'
STATS_DESC_COUNTR(VM, inject_pfault_done),
^
> arch/s390/kvm/kvm-s390.c:65:24: error: use of undeclared
identifier 'inject_pfault_done'
STATS_DESC_COUNTR(VM,
inject_pfault_done),
^
arch/s390/kvm/kvm-s390.c:66:20: error: use of undeclared identifier 'VM'
STATS_DESC_COUNTR(VM, inject_service_signal),
^
> arch/s390/kvm/kvm-s390.c:66:24: error: use of undeclared
identifier 'inject_service_signal'
STATS_DESC_COUNTR(VM,
inject_service_signal),
^
arch/s390/kvm/kvm-s390.c:67:20: error: use of undeclared identifier 'VM'
STATS_DESC_COUNTR(VM, inject_virtio)
^
> arch/s390/kvm/kvm-s390.c:67:24: error: use of undeclared
identifier 'inject_virtio'
STATS_DESC_COUNTR(VM, inject_virtio)
^
> arch/s390/kvm/kvm-s390.c:69:15: error: invalid application of
'sizeof' to an incomplete type 'struct _kvm_stats_desc []'
static_assert(ARRAY_SIZE(kvm_vm_stats_desc) ==
~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/kernel.h:42:32: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^
include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert'
#define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert'
#define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
^~~~
arch/s390/kvm/kvm-s390.c:75:12: error: invalid application of 'sizeof' to an
incomplete type 'struct _kvm_stats_desc []'
.count = ARRAY_SIZE(kvm_vm_stats_desc),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/kernel.h:42:32: note: expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
^~~~~
arch/s390/kvm/kvm-s390.c:78:10: error: invalid application of 'sizeof' to an
incomplete type 'struct _kvm_stats_desc []'
sizeof(kvm_vm_stats_desc),
^~~~~~~~~~~~~~~~~~~
12 warnings and 14 errors generated.
vim +/STATS_DESC_COUNTR +63 arch/s390/kvm/kvm-s390.c
55
56 #define MEM_OP_MAX_SIZE 65536 /* Maximum transfer size for KVM_S390_MEM_OP */
57 #define LOCAL_IRQS 32
58 #define VCPU_IRQS_MAX_BUF (sizeof(struct kvm_s390_irq) * \
59 (KVM_MAX_VCPUS + LOCAL_IRQS))
60
61 struct _kvm_stats_desc kvm_vm_stats_desc[] = {
62 KVM_GENERIC_VM_STATS(),
63 STATS_DESC_COUNTR(VM, inject_io),
64 STATS_DESC_COUNTR(VM, inject_float_mchk),
65 STATS_DESC_COUNTR(VM, inject_pfault_done),
66 STATS_DESC_COUNTR(VM, inject_service_signal),
67 STATS_DESC_COUNTR(VM, inject_virtio)
68 };
69 static_assert(ARRAY_SIZE(kvm_vm_stats_desc) ==
70 sizeof(struct kvm_vm_stat) / sizeof(u64));
71
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org