Messages in this thread | | | Date | Fri, 19 Aug 2022 00:00:40 +0800 | From | kernel test robot <> | Subject | [ammarfaizi2-block:tglx/devel/depthtracking 33/59] arch/x86/kernel/ftrace_64.o: warning: objtool: ftrace_caller+0x0: unreachable instruction |
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tree: https://github.com/ammarfaizi2/linux-block tglx/devel/depthtracking head: 7e7135a8ff18016dde7361f13b02c3d1f63edfdb commit: 301b621edaa301dc3936a386920008a689ddd988 [33/59] objtool: Fix find_{symbol,func}_containing() config: x86_64-randconfig-a011 (https://download.01.org/0day-ci/archive/20220818/202208182339.nUcZuZWV-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-5) 11.3.0 reproduce (this is a W=1 build): # https://github.com/ammarfaizi2/linux-block/commit/301b621edaa301dc3936a386920008a689ddd988 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block tglx/devel/depthtracking git checkout 301b621edaa301dc3936a386920008a689ddd988 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> arch/x86/kernel/ftrace_64.o: warning: objtool: ftrace_caller+0x0: unreachable instruction
objdump-func vmlinux.o ftrace_caller: 0000 0000000000062370 <ftrace_caller>: 0000 62370: 48 81 ec a8 00 00 00 sub $0xa8,%rsp 0007 62377: 48 89 44 24 50 mov %rax,0x50(%rsp) 000c 6237c: 48 89 4c 24 58 mov %rcx,0x58(%rsp) 0011 62381: 48 89 54 24 60 mov %rdx,0x60(%rsp) 0016 62386: 48 89 74 24 68 mov %rsi,0x68(%rsp) 001b 6238b: 48 89 7c 24 70 mov %rdi,0x70(%rsp) 0020 62390: 4c 89 44 24 48 mov %r8,0x48(%rsp) 0025 62395: 4c 89 4c 24 40 mov %r9,0x40(%rsp) 002a 6239a: 48 c7 44 24 78 00 00 00 00 movq $0x0,0x78(%rsp) 0033 623a3: 48 89 ea mov %rbp,%rdx 0036 623a6: 48 89 54 24 20 mov %rdx,0x20(%rsp) 003b 623ab: 48 8b b4 24 b0 00 00 00 mov 0xb0(%rsp),%rsi 0043 623b3: 48 8b bc 24 a8 00 00 00 mov 0xa8(%rsp),%rdi 004b 623bb: 48 89 bc 24 80 00 00 00 mov %rdi,0x80(%rsp) 0053 623c3: 48 83 ef 05 sub $0x5,%rdi 0057 623c7: 48 8d 8c 24 b0 00 00 00 lea 0xb0(%rsp),%rcx 005f 623cf: 48 89 8c 24 98 00 00 00 mov %rcx,0x98(%rsp)
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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