* [jolsa-perf:bpf/session_data 44/48] kernel/trace/bpf_trace.c:3551:5: warning: 'CONFIG_FPROBE' is not defined, evaluates to 0
@ 2024-03-10 4:32 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-03-10 4:32 UTC (permalink / raw)
To: Jiri Olsa; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/session_data
head: 2de3435b691fe601ea42cb119ba482bd6762d173
commit: 0e436b2093a4fbc9f843e2ce395344d748f5ff20 [44/48] bpf: Add bpf_wrapper_is_return kfunc for multi uprobe
config: s390-defconfig (https://download.01.org/0day-ci/archive/20240310/202403101235.eTOM4gMc-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 503c55e17037436dcd45ac69dea8967e67e3f5e8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240310/202403101235.eTOM4gMc-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403101235.eTOM4gMc-lkp@intel.com/
All warnings (new ones prefixed by >>):
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
| ^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
| ^
In file included from kernel/trace/bpf_trace.c:9:
In file included from include/linux/bpf_verifier.h:9:
In file included from include/linux/filter.h:12:
In file included from include/linux/skbuff.h:28:
In file included from include/linux/dma-mapping.h:11:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:78:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
| ^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
| ^
In file included from kernel/trace/bpf_trace.c:9:
In file included from include/linux/bpf_verifier.h:9:
In file included from include/linux/filter.h:12:
In file included from include/linux/skbuff.h:28:
In file included from include/linux/dma-mapping.h:11:
In file included from include/linux/scatterlist.h:9:
In file included from arch/s390/include/asm/io.h:78:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
692 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
700 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
708 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
717 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
726 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
kernel/trace/bpf_trace.c:357:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
357 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:403:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
403 | .arg1_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:458:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
458 | .arg1_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:460:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
460 | .arg3_type = ARG_PTR_TO_MEM | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
kernel/trace/bpf_trace.c:502:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
502 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:504:35: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
504 | .arg4_type = ARG_PTR_TO_MEM | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
kernel/trace/bpf_trace.c:519:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
519 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:543:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
543 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:707:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
707 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:1033:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
1033 | .arg3_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:1716:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
1716 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:1941:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
1941 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:1996:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
1996 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
>> kernel/trace/bpf_trace.c:3551:5: warning: 'CONFIG_FPROBE' is not defined, evaluates to 0 [-Wundef]
3551 | #if CONFIG_FPROBE || CONFIG_UPROBES
| ^
51 warnings generated.
--
>> kernel/trace/bpf_trace.c:3551:5: warning: 'CONFIG_FPROBE' is not defined, evaluates to 0 [-Wundef]
3551 | #if CONFIG_FPROBE || CONFIG_UPROBES
| ^
1 warning generated.
vim +/CONFIG_FPROBE +3551 kernel/trace/bpf_trace.c
3550
> 3551 #if CONFIG_FPROBE || CONFIG_UPROBES
3552 __bpf_kfunc_start_defs();
3553
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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