* [peterz-queue:sched/core 4/6] vmlinux.o: warning: objtool: pvclock_clocksource_read+0xf7: call to pvclock_touch_watchdogs() leaves .noinstr.text section
@ 2023-01-21 19:54 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-01-21 19:54 UTC (permalink / raw)
Cc: oe-kbuild-all, llvm
TO: Peter Zijlstra <peterz@infradead.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core
head: af7b5d0c6bcd8c2d4cd1ca01e6f6f89e66b6512d
commit: 42aabb7fdf8521fb7be017270dbcc0fce0b3592a [4/6] x86: Mark sched_clock() noinstr
config: x86_64-randconfig-a001 (https://download.01.org/0day-ci/archive/20230122/202301220352.TKlPleZF-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=42aabb7fdf8521fb7be017270dbcc0fce0b3592a
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue sched/core
git checkout 42aabb7fdf8521fb7be017270dbcc0fce0b3592a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
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 >>):
vmlinux.o: warning: objtool: __asan_memset+0x34: call to __memset() with UACCESS enabled
vmlinux.o: warning: objtool: __asan_memmove+0x54: call to __memmove() with UACCESS enabled
vmlinux.o: warning: objtool: __asan_memcpy+0x54: call to __memcpy() with UACCESS enabled
>> vmlinux.o: warning: objtool: pvclock_clocksource_read+0xf7: call to pvclock_touch_watchdogs() leaves .noinstr.text section
objdump-func vmlinux.o pvclock_clocksource_read:
0000 0000000000001f20 <pvclock_clocksource_read>:
0000 1f20: f3 0f 1e fa endbr64
0004 1f24: 55 push %rbp
0005 1f25: 41 57 push %r15
0007 1f27: 41 56 push %r14
0009 1f29: 41 55 push %r13
000b 1f2b: 41 54 push %r12
000d 1f2d: 53 push %rbx
000e 1f2e: 50 push %rax
000f 1f2f: 49 89 fe mov %rdi,%r14
0012 1f32: 44 8b 2f mov (%rdi),%r13d
0015 1f35: 0f 31 rdtsc
0017 1f37: 90 nop
0018 1f38: 90 nop
0019 1f39: 90 nop
001a 1f3a: 48 89 d3 mov %rdx,%rbx
001d 1f3d: 48 c1 e3 20 shl $0x20,%rbx
0021 1f41: 48 09 c3 or %rax,%rbx
0024 1f44: 49 2b 5e 08 sub 0x8(%r14),%rbx
0028 1f48: 41 83 e5 fe and $0xfffffffe,%r13d
002c 1f4c: 41 8b 6e 18 mov 0x18(%r14),%ebp
0030 1f50: 45 0f be 7e 1c movsbl 0x1c(%r14),%r15d
0035 1f55: 45 85 ff test %r15d,%r15d
0038 1f58: 78 11 js 1f6b <pvclock_clocksource_read+0x4b>
003a 1f5a: 45 89 fc mov %r15d,%r12d
003d 1f5d: 41 80 ff 40 cmp $0x40,%r15b
0041 1f61: 73 40 jae 1fa3 <pvclock_clocksource_read+0x83>
0043 1f63: 44 89 e1 mov %r12d,%ecx
0046 1f66: 48 d3 e3 shl %cl,%rbx
0049 1f69: eb 0f jmp 1f7a <pvclock_clocksource_read+0x5a>
004b 1f6b: 41 f7 df neg %r15d
004e 1f6e: 41 83 ff 40 cmp $0x40,%r15d
0052 1f72: 73 43 jae 1fb7 <pvclock_clocksource_read+0x97>
0054 1f74: 44 89 f9 mov %r15d,%ecx
0057 1f77: 48 d3 eb shr %cl,%rbx
005a 1f7a: 48 89 2c 24 mov %rbp,(%rsp)
005e 1f7e: 48 89 d8 mov %rbx,%rax
0061 1f81: 48 f7 24 24 mulq (%rsp)
0065 1f85: 48 0f ac d0 20 shrd $0x20,%rdx,%rax
006a 1f8a: 48 89 c3 mov %rax,%rbx
006d 1f8d: 4d 8b 7e 10 mov 0x10(%r14),%r15
0071 1f91: 41 0f b6 6e 1d movzbl 0x1d(%r14),%ebp
0076 1f96: 41 8b 06 mov (%r14),%eax
0079 1f99: 44 39 e8 cmp %r13d,%eax
007c 1f9c: 41 89 c5 mov %eax,%r13d
007f 1f9f: 75 94 jne 1f35 <pvclock_clocksource_read+0x15>
0081 1fa1: eb 28 jmp 1fcb <pvclock_clocksource_read+0xab>
0083 1fa3: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 1fa6: R_X86_64_32S .data+0x66ac0
008a 1faa: 48 89 de mov %rbx,%rsi
008d 1fad: 4c 89 e2 mov %r12,%rdx
0090 1fb0: e8 00 00 00 00 call 1fb5 <pvclock_clocksource_read+0x95> 1fb1: R_X86_64_PLT32 __ubsan_handle_shift_out_of_bounds-0x4
0095 1fb5: eb ac jmp 1f63 <pvclock_clocksource_read+0x43>
0097 1fb7: 48 c7 c7 00 00 00 00 mov $0x0,%rdi 1fba: R_X86_64_32S .data+0x66aa0
009e 1fbe: 48 89 de mov %rbx,%rsi
00a1 1fc1: 4c 89 fa mov %r15,%rdx
00a4 1fc4: e8 00 00 00 00 call 1fc9 <pvclock_clocksource_read+0xa9> 1fc5: R_X86_64_PLT32 __ubsan_handle_shift_out_of_bounds-0x4
00a9 1fc9: eb a9 jmp 1f74 <pvclock_clocksource_read+0x54>
00ab 1fcb: 40 f6 c5 02 test $0x2,%bpl
00af 1fcf: 75 41 jne 2012 <pvclock_clocksource_read+0xf2>
00b1 1fd1: 49 01 df add %rbx,%r15
00b4 1fd4: f6 05 00 00 00 00 01 testb $0x1,0x0(%rip) # 1fdb <pvclock_clocksource_read+0xbb> 1fd6: R_X86_64_PC32 .data..read_mostly+0xa23
00bb 1fdb: 74 05 je 1fe2 <pvclock_clocksource_read+0xc2>
00bd 1fdd: 83 e5 01 and $0x1,%ebp
00c0 1fe0: 75 19 jne 1ffb <pvclock_clocksource_read+0xdb>
00c2 1fe2: 48 8b 05 00 00 00 00 mov 0x0(%rip),%rax # 1fe9 <pvclock_clocksource_read+0xc9> 1fe5: R_X86_64_PC32 .bss+0x1603c
00c9 1fe9: 49 39 c7 cmp %rax,%r15
00cc 1fec: 72 1f jb 200d <pvclock_clocksource_read+0xed>
00ce 1fee: 4c 0f b1 3d 00 00 00 00 cmpxchg %r15,0x0(%rip) # 1ff6 <pvclock_clocksource_read+0xd6> 1ff2: R_X86_64_PC32 .bss+0x1603c
00d6 1ff6: 4c 39 f8 cmp %r15,%rax
00d9 1ff9: 75 ee jne 1fe9 <pvclock_clocksource_read+0xc9>
00db 1ffb: 4c 89 f8 mov %r15,%rax
00de 1ffe: 48 83 c4 08 add $0x8,%rsp
00e2 2002: 5b pop %rbx
00e3 2003: 41 5c pop %r12
00e5 2005: 41 5d pop %r13
00e7 2007: 41 5e pop %r14
00e9 2009: 41 5f pop %r15
00eb 200b: 5d pop %rbp
00ec 200c: c3 ret
00ed 200d: 49 89 c7 mov %rax,%r15
00f0 2010: eb e9 jmp 1ffb <pvclock_clocksource_read+0xdb>
00f2 2012: 41 80 66 1d fd andb $0xfd,0x1d(%r14)
00f7 2017: e8 00 00 00 00 call 201c <pvclock_clocksource_read+0xfc> 2018: R_X86_64_PLT32 pvclock_touch_watchdogs-0x4
00fc 201c: eb b3 jmp 1fd1 <pvclock_clocksource_read+0xb1>
00fe 201e: cc int3
00ff 201f: cc int3
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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2023-01-21 19:54 [peterz-queue:sched/core 4/6] vmlinux.o: warning: objtool: pvclock_clocksource_read+0xf7: call to pvclock_touch_watchdogs() leaves .noinstr.text section kernel test robot
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