CC: [email protected] BCC: [email protected] CC: [email protected] TO: Alexander Gordeev <[email protected]> CC: Heiko Carstens <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7e284070abe53d448517b80493863595af4ab5f0 commit: c7ed509b21b6566990ff39a6744cd5e214b5dca9 s390/nmi: disable interrupts on extended save area update date: 5 months ago :::::: branch date: 16 hours ago :::::: commit date: 5 months ago compiler: s390-linux-gcc (GCC) 11.3.0 reproduce (cppcheck warning): # apt-get install cppcheck git checkout c7ed509b21b6566990ff39a6744cd5e214b5dca9 cppcheck --quiet --enable=style,performance,portability --template=gcc FILE If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <[email protected]> cppcheck possible warnings: (new ones prefixed by >>, may not real problems) >> arch/s390/mm/mmap.c:74:51: warning: Parameter 'filp' can be declared with >> const [constParameter] unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, ^ arch/s390/mm/mmap.c:113:59: warning: Parameter 'filp' can be declared with const [constParameter] unsigned long arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr, ^ -- >> arch/s390/kernel/vdso.c:177:30: warning: Subtracting pointers that point to >> different objects [comparePointers] vdso_text_len = vdso32_end - vdso32_start; ^ arch/s390/kernel/vdso.c:23:29: note: Variable declared here. extern char vdso32_start[], vdso32_end[]; ^ arch/s390/kernel/vdso.c:177:19: note: Array decayed to pointer here. vdso_text_len = vdso32_end - vdso32_start; ^ arch/s390/kernel/vdso.c:23:13: note: Variable declared here. extern char vdso32_start[], vdso32_end[]; ^ arch/s390/kernel/vdso.c:177:32: note: Array decayed to pointer here. vdso_text_len = vdso32_end - vdso32_start; ^ arch/s390/kernel/vdso.c:177:30: note: Subtracting pointers that point to different objects vdso_text_len = vdso32_end - vdso32_start; ^ arch/s390/kernel/vdso.c:180:30: warning: Subtracting pointers that point to different objects [comparePointers] vdso_text_len = vdso64_end - vdso64_start; ^ arch/s390/kernel/vdso.c:22:29: note: Variable declared here. extern char vdso64_start[], vdso64_end[]; ^ arch/s390/kernel/vdso.c:180:19: note: Array decayed to pointer here. vdso_text_len = vdso64_end - vdso64_start; ^ arch/s390/kernel/vdso.c:22:13: note: Variable declared here. extern char vdso64_start[], vdso64_end[]; ^ arch/s390/kernel/vdso.c:180:32: note: Array decayed to pointer here. vdso_text_len = vdso64_end - vdso64_start; ^ arch/s390/kernel/vdso.c:180:30: note: Subtracting pointers that point to different objects vdso_text_len = vdso64_end - vdso64_start; ^ >> arch/s390/kernel/vdso.c:213:66: warning: Parameter 'end' can be declared >> with const [constParameter] static struct page ** __init vdso_setup_pages(void *start, void *end) ^ >> arch/s390/lib/spinlock.c:80:11: warning: Uninitialized variable: owner >> [uninitvar] : "=d" (owner) : "Q" (*lock) : "memory"); ^ -- >> arch/s390/kernel/nmi.c:109:26: warning: Parameter 'mcesad' can be declared >> with const [constParameter] void nmi_free_mcesa(u64 *mcesad) ^ vim +/mcesad +109 arch/s390/kernel/nmi.c 6c81511ca1f52a arch/s390/kernel/nmi.c Martin Schwidefsky 2017-10-12 108 c7ed509b21b656 arch/s390/kernel/nmi.c Alexander Gordeev 2021-12-10 @109 void nmi_free_mcesa(u64 *mcesad) 6c81511ca1f52a arch/s390/kernel/nmi.c Martin Schwidefsky 2017-10-12 110 { 6c81511ca1f52a arch/s390/kernel/nmi.c Martin Schwidefsky 2017-10-12 111 if (!nmi_needs_mcesa()) 6c81511ca1f52a arch/s390/kernel/nmi.c Martin Schwidefsky 2017-10-12 112 return; c7ed509b21b656 arch/s390/kernel/nmi.c Alexander Gordeev 2021-12-10 113 kmem_cache_free(mcesa_cache, __va(*mcesad & MCESA_ORIGIN_MASK)); 6c81511ca1f52a arch/s390/kernel/nmi.c Martin Schwidefsky 2017-10-12 114 } 77fa22450de00d drivers/s390/s390mach.c Heiko Carstens 2005-06-25 115 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
