* [tip:core/entry 9/17] arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
@ 2026-07-13 21:11 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-07-13 21:11 UTC (permalink / raw)
To: Thomas Gleixner
Cc: oe-kbuild-all, linux-kernel, x86, Sven Schnelle, Radu Rendec,
Jinjie Ruan, Mukesh Kumar Chaurasiya (IBM),
Philippe Mathieu-Daudé
Hi Thomas,
FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/entry
head: fb419d53f2619e29bf4f96613d9a614e1c263736
commit: 05a194d8bd005e0887a1e089bbbbd2e1a641638f [9/17] s390/syscall: Use enter_from_user_mode_randomize_stack()
config: s390-randconfig-001-20260714 (https://download.01.org/0day-ci/archive/20260714/202607140539.UayzjKCy-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260714/202607140539.UayzjKCy-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/202607140539.UayzjKCy-lkp@intel.com/
All warnings (new ones prefixed by >>):
arch/s390/kernel/syscall.c: Assembler messages:
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
>> arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:109: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
arch/s390/kernel/syscall.c:114: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:208: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:213: Warning: missing closing `"'
include/linux/irq-entry-common.h:226: Warning: missing closing `"'
vim +109 arch/s390/kernel/syscall.c
56e62a73702836 Sven Schnelle 2020-11-21 95
a0f2a8d0515251 Heiko Carstens 2025-03-10 96 void noinstr __do_syscall(struct pt_regs *regs, int per_trap)
56e62a73702836 Sven Schnelle 2020-11-21 97 {
56e62a73702836 Sven Schnelle 2020-11-21 98 unsigned long nr;
56e62a73702836 Sven Schnelle 2020-11-21 99
05a194d8bd005e Thomas Gleixner 2026-07-07 100 enter_from_user_mode_randomize_stack(regs);
05a194d8bd005e Thomas Gleixner 2026-07-07 101
a0f2a8d0515251 Heiko Carstens 2025-03-10 102 regs->psw = get_lowcore()->svc_old_psw;
a0f2a8d0515251 Heiko Carstens 2025-03-10 103 regs->int_code = get_lowcore()->svc_int_code;
a0f2a8d0515251 Heiko Carstens 2025-03-10 104 update_timer_sys();
a0f2a8d0515251 Heiko Carstens 2025-03-10 105 if (cpu_has_bear())
a0f2a8d0515251 Heiko Carstens 2025-03-10 106 current->thread.last_break = regs->last_break;
a0f2a8d0515251 Heiko Carstens 2025-03-10 107 local_irq_enable();
a0f2a8d0515251 Heiko Carstens 2025-03-10 108 regs->orig_gpr2 = regs->gprs[2];
a0f2a8d0515251 Heiko Carstens 2025-03-10 @109 if (unlikely(per_trap))
:::::: The code at line 109 was first introduced by commit
:::::: a0f2a8d05152512633b256459e9aceb7e588f372 s390/syscall: Merge __do_syscall() and do_syscall()
:::::: TO: Heiko Carstens <hca@linux.ibm.com>
:::::: CC: Vasily Gorbik <gor@linux.ibm.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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