[tip:core/entry 9/17] arch/s390/kernel/syscall.c:109: Warning: missing closing `"'

[kernel test robot]

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@xxxxxxxxx/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@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607140539.UayzjKCy-lkp@xxxxxxxxx/

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@xxxxxxxxxxxxx>
:::::: CC: Vasily Gorbik <gor@xxxxxxxxxxxxx>

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