* [ardb:x86-pie-v3 5/15] arch/x86/include/asm/sync_core.h:33:15: error: invalid operand for instruction
@ 2025-12-25 20:46 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-12-25 20:46 UTC (permalink / raw)
To: Ard Biesheuvel; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git x86-pie-v3
head: 16f858473d90ca1f50cd701fcaa7a3a7d58c44f7
commit: 7ab00e870d46ca1ce4ddfbc68a9e36149f22ecf0 [5/15] x86/sync_core: Use RIP-relative addressing
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20251226/202512260435.f670RACW-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251226/202512260435.f670RACW-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/202512260435.f670RACW-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/x86/kernel/alternative.c:4:
In file included from include/linux/mmu_context.h:5:
In file included from arch/x86/include/asm/mmu_context.h:7:
In file included from include/linux/pkeys.h:5:
In file included from include/linux/mm.h:17:
In file included from include/linux/mmap_lock.h:15:
In file included from include/linux/sched/mm.h:10:
In file included from include/linux/sync_core.h:6:
>> arch/x86/include/asm/sync_core.h:33:15: error: invalid operand for instruction
33 | "pushq %q0\n\t"
| ^
<inline asm>:8:17: note: instantiated into assembly here
8 | leaq 1f(%rip), %eax
| ^~~~
In file included from arch/x86/kernel/alternative.c:4:
In file included from include/linux/mmu_context.h:5:
In file included from arch/x86/include/asm/mmu_context.h:7:
In file included from include/linux/pkeys.h:5:
In file included from include/linux/mm.h:17:
In file included from include/linux/mmap_lock.h:15:
In file included from include/linux/sched/mm.h:10:
In file included from include/linux/sync_core.h:6:
>> arch/x86/include/asm/sync_core.h:33:15: error: invalid operand for instruction
33 | "pushq %q0\n\t"
| ^
<inline asm>:8:17: note: instantiated into assembly here
8 | leaq 1f(%rip), %eax
| ^~~~
2 errors generated.
--
In file included from arch/x86/kernel/static_call.c:2:
In file included from include/linux/static_call.h:135:
In file included from include/linux/cpu.h:17:
In file included from include/linux/node.h:18:
In file included from include/linux/device.h:16:
In file included from include/linux/energy_model.h:7:
In file included from include/linux/kobject.h:20:
In file included from include/linux/sysfs.h:16:
In file included from include/linux/kernfs.h:12:
In file included from include/linux/idr.h:15:
In file included from include/linux/radix-tree.h:21:
In file included from include/linux/xarray.h:21:
In file included from include/linux/sched/mm.h:10:
In file included from include/linux/sync_core.h:6:
>> arch/x86/include/asm/sync_core.h:33:15: error: invalid operand for instruction
33 | "pushq %q0\n\t"
| ^
<inline asm>:8:17: note: instantiated into assembly here
8 | leaq 1f(%rip), %eax
| ^~~~
1 error generated.
vim +33 arch/x86/include/asm/sync_core.h
ac1ab12a3e6e87 Mathieu Desnoyers 2018-01-29 9
f69ca629d89d65 Ricardo Neri 2020-07-26 10 #ifdef CONFIG_X86_32
0ef8047b737d74 Juergen Gross 2024-11-29 11 static __always_inline void iret_to_self(void)
f69ca629d89d65 Ricardo Neri 2020-07-26 12 {
f69ca629d89d65 Ricardo Neri 2020-07-26 13 asm volatile (
f69ca629d89d65 Ricardo Neri 2020-07-26 14 "pushfl\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 15 "pushl %%cs\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 16 "pushl $1f\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 17 "iret\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 18 "1:"
f69ca629d89d65 Ricardo Neri 2020-07-26 19 : ASM_CALL_CONSTRAINT : : "memory");
f69ca629d89d65 Ricardo Neri 2020-07-26 20 }
f69ca629d89d65 Ricardo Neri 2020-07-26 21 #else
0ef8047b737d74 Juergen Gross 2024-11-29 22 static __always_inline void iret_to_self(void)
f69ca629d89d65 Ricardo Neri 2020-07-26 23 {
f69ca629d89d65 Ricardo Neri 2020-07-26 24 unsigned int tmp;
f69ca629d89d65 Ricardo Neri 2020-07-26 25
f69ca629d89d65 Ricardo Neri 2020-07-26 26 asm volatile (
f69ca629d89d65 Ricardo Neri 2020-07-26 27 "mov %%ss, %0\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 28 "pushq %q0\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 29 "pushq %%rsp\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 30 "addq $8, (%%rsp)\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 31 "pushfq\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 32 "mov %%cs, %0\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 @33 "pushq %q0\n\t"
7ab00e870d46ca Ard Biesheuvel 2023-04-07 34 "leaq 1f(%%rip), %0\n\t"
7ab00e870d46ca Ard Biesheuvel 2023-04-07 35 "pushq %q0\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 36 "iretq\n\t"
f69ca629d89d65 Ricardo Neri 2020-07-26 37 "1:"
f69ca629d89d65 Ricardo Neri 2020-07-26 38 : "=&r" (tmp), ASM_CALL_CONSTRAINT : : "cc", "memory");
f69ca629d89d65 Ricardo Neri 2020-07-26 39 }
f69ca629d89d65 Ricardo Neri 2020-07-26 40 #endif /* CONFIG_X86_32 */
f69ca629d89d65 Ricardo Neri 2020-07-26 41
:::::: The code at line 33 was first introduced by commit
:::::: f69ca629d89d65737537e05308ac531f7bb07d5c x86/cpu: Refactor sync_core() for readability
:::::: TO: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
:::::: CC: Ingo Molnar <mingo@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2025-12-25 20:46 [ardb:x86-pie-v3 5/15] arch/x86/include/asm/sync_core.h:33:15: error: invalid operand for instruction kernel test robot
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