From: kernel test robot <lkp@intel.com>
To: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev
Subject: [mhiramat:topic/fprobe-ftrace-regs 2/6] include/linux/ftrace.h:121:8: error: redefinition of 'ftrace_regs'
Date: Mon, 7 Aug 2023 18:06:05 +0800 [thread overview]
Message-ID: <202308071822.mEjeFIsP-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/mhiramat/linux.git topic/fprobe-ftrace-regs
head: 298df4ba011e52faed28ca583fa4b54b5319e8fd
commit: 930fb8269e0e9deb82d22f8c7406c639f291e6ba [2/6] tracing: Expose ftrace_regs regardless of CONFIG_FUNCTION_TRACER
config: s390-randconfig-r044-20230807 (https://download.01.org/0day-ci/archive/20230807/202308071822.mEjeFIsP-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230807/202308071822.mEjeFIsP-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/202308071822.mEjeFIsP-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:19:
In file included from include/linux/msi.h:27:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
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 arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:19:
In file included from include/linux/msi.h:27:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
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 arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:19:
In file included from include/linux/msi.h:27:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:75:
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);
| ~~~~~~~~~~ ^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:32:
>> include/linux/ftrace.h:121:8: error: redefinition of 'ftrace_regs'
121 | struct ftrace_regs {
| ^
arch/s390/include/asm/ftrace.h:44:8: note: previous definition is here
44 | struct ftrace_regs {
| ^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:32:
>> include/linux/ftrace.h:135:9: warning: 'ftrace_regs_get_argument' macro redefined [-Wmacro-redefined]
135 | #define ftrace_regs_get_argument(fregs, n) \
| ^
arch/s390/include/asm/ftrace.h:70:9: note: previous definition is here
70 | #define ftrace_regs_get_argument(fregs, n) \
| ^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:32:
>> include/linux/ftrace.h:137:9: warning: 'ftrace_regs_get_stack_pointer' macro redefined [-Wmacro-redefined]
137 | #define ftrace_regs_get_stack_pointer(fregs) \
| ^
arch/s390/include/asm/ftrace.h:72:9: note: previous definition is here
72 | #define ftrace_regs_get_stack_pointer(fregs) \
| ^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:32:
>> include/linux/ftrace.h:139:9: warning: 'ftrace_regs_return_value' macro redefined [-Wmacro-redefined]
139 | #define ftrace_regs_return_value(fregs) \
| ^
arch/s390/include/asm/ftrace.h:74:9: note: previous definition is here
74 | #define ftrace_regs_return_value(fregs) \
| ^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:32:
>> include/linux/ftrace.h:141:9: warning: 'ftrace_regs_set_return_value' macro redefined [-Wmacro-redefined]
141 | #define ftrace_regs_set_return_value(fregs, ret) \
| ^
arch/s390/include/asm/ftrace.h:76:9: note: previous definition is here
76 | #define ftrace_regs_set_return_value(fregs, ret) \
| ^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:32:
>> include/linux/ftrace.h:143:9: warning: 'ftrace_override_function_with_return' macro redefined [-Wmacro-redefined]
143 | #define ftrace_override_function_with_return(fregs) \
| ^
arch/s390/include/asm/ftrace.h:78:9: note: previous definition is here
78 | #define ftrace_override_function_with_return(fregs) \
| ^
17 warnings and 1 error generated.
make[3]: *** [scripts/Makefile.build:116: arch/s390/kernel/asm-offsets.s] Error 1 shuffle=2245968790
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1275: prepare0] Error 2 shuffle=2245968790
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:234: __sub-make] Error 2 shuffle=2245968790
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:234: __sub-make] Error 2 shuffle=2245968790
make: Target 'prepare' not remade because of errors.
vim +/ftrace_regs +121 include/linux/ftrace.h
02a474ca266a47 Steven Rostedt (VMware 2020-10-27 120)
d19ad0775dcd64 Steven Rostedt (VMware 2020-10-28 @121) struct ftrace_regs {
d19ad0775dcd64 Steven Rostedt (VMware 2020-10-28 122) struct pt_regs regs;
d19ad0775dcd64 Steven Rostedt (VMware 2020-10-28 123) };
02a474ca266a47 Steven Rostedt (VMware 2020-10-27 124) #define arch_ftrace_get_regs(fregs) (&(fregs)->regs)
02a474ca266a47 Steven Rostedt (VMware 2020-10-27 125)
2860cd8a235375 Steven Rostedt (VMware 2020-10-28 126) /*
0ef86097f127d0 Mark Rutland 2022-11-03 127 * ftrace_regs_set_instruction_pointer() is to be defined by the architecture
0ef86097f127d0 Mark Rutland 2022-11-03 128 * if to allow setting of the instruction pointer from the ftrace_regs when
0ef86097f127d0 Mark Rutland 2022-11-03 129 * HAVE_DYNAMIC_FTRACE_WITH_ARGS is set and it supports live kernel patching.
2860cd8a235375 Steven Rostedt (VMware 2020-10-28 130) */
0ef86097f127d0 Mark Rutland 2022-11-03 131 #define ftrace_regs_set_instruction_pointer(fregs, ip) do { } while (0)
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 132)
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 133) #define ftrace_regs_get_instruction_pointer(fregs) \
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 134) instruction_pointer(ftrace_get_regs(fregs))
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 @135) #define ftrace_regs_get_argument(fregs, n) \
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 136) regs_get_kernel_argument(ftrace_get_regs(fregs), n)
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 @137) #define ftrace_regs_get_stack_pointer(fregs) \
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 138) kernel_stack_pointer(ftrace_get_regs(fregs))
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 @139) #define ftrace_regs_return_value(fregs) \
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 140) regs_return_value(ftrace_get_regs(fregs))
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 @141) #define ftrace_regs_set_return_value(fregs, ret) \
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 142) regs_set_return_value(ftrace_get_regs(fregs), ret)
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 @143) #define ftrace_override_function_with_return(fregs) \
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 144) override_function_with_return(ftrace_get_regs(fregs))
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 145) #define ftrace_regs_query_register_offset(name) \
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 146) regs_query_register_offset(name)
930fb8269e0e9d Masami Hiramatsu (Google 2023-08-07 147)
:::::: The code at line 121 was first introduced by commit
:::::: d19ad0775dcd64b49eecf4fa79c17959ebfbd26b ftrace: Have the callbacks receive a struct ftrace_regs instead of pt_regs
:::::: TO: Steven Rostedt (VMware) <rostedt@goodmis.org>
:::::: CC: Steven Rostedt (VMware) <rostedt@goodmis.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2023-08-07 10:06 UTC|newest]
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