On Sun, 27 Jan 2019 22:18:25 -0600, Josh Poimboeuf said: > On Sun, Jan 27, 2019 at 10:45:03PM -0500, valdis.kletni...@vt.edu wrote: > > Seen in a build: > > > > CC arch/x86/kernel/dumpstack.o > > arch/x86/kernel/dumpstack.o: warning: objtool: oops_begin()+0x9: undefined > > stack state > > arch/x86/kernel/dumpstack.o: warning: objtool: oops_begin()+0x0: stack > > state mismatch: cfa1=6+16 cfa2=7+8 > > > > Probably a gcc9 code generation that objtool doesn't know about? > > Can you share the .o file?
Sure. Attached.
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NR_ZONE_WRITE_PENDING
NR_MLOCK
NR_PAGETABLE
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NR_ACTIVE_ANON E
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NR_ACTIVE_FILE M
NR_UNEVICTABLE Q
NR_SLAB_RECLAIMABLE U
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WORKINGSET_NODES d
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WORKINGSET_ACTIVATE l
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NR_SHMEM
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unsigned int 1 signed char @ unsigned char 6 __u8 J short
int Y short unsigned int O __u16 ^ int t unsigned
int j __u32 y long long int long long unsigned
int } __u64 u8 u16 ± u32 Â u64 é long
int î __kernel_ulong_t ø __kernel_size_t char _Bool bool
size_t * uint8_t 4 uint16_t > gfp_t I atomic_t Y atomic64_t ° initcall_entry_t 6 lockdep_ok e system_states Û ftrace_dump_mode 5 pteval_t > pmdval_t I pte_t j pgprot_t v pgd_t p4d_t pud_t pmd_t o cpumask_var_t ö atomic_long_t l1tf_mitigations
arch_spinlock_t c spinlock_t n rwlock_t { seqlock_t
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arch/x86/kernel ./arch/x86/include/asm ./include/linux ./include/asm-generic ./include/generated ./include/linux/sched ./include/uapi/asm-generic ./include/video ./include/uapi/linux dumpstack.c current.h kexec.h qspinlock.h compiler.h irqflags.h preempt.h kasan.h atomic-instrumented.h kasan-checks.h atomic.h printk.h task_stack.h cpu_entry_area.h ptrace.h uaccess.h stacktrace.h unwind.h nmi.h bitops.h mm.h int-ll64.h int-ll64.h posix_types.h types.h alternative.h nops.h init.h kernel.h percpu.h percpu.h screen_info.h ioctl.h apm_bios.h ist.h edid.h mem_encrypt.h page_types.h page_64.h page.h segment.h pgtable_64_types.h pgtable_types.h pgtable-nop4d.h jump_label.h string_64.h cpumask.h cpumask.h atomic-long.h msr.h special_insns.h processor.h cpufeature.h qspinlock_types.h lockdep.h debug_locks.h spinlock_types.h rwlock_types.h seqlock.h nodemask.h mmzone.h rcupdate.h time.h tsc.h timex.h jiffies.h timekeeping.h timer.h workqueue.h notifier.h smp.h x86_init.h mpspec.h topology.h io.h vmalloc.h realmode.h acpi.h fixmap.h mm_types.h hardirq.h apic.h io_apic.h smp.h percpu.h gfp.h page_ref.h ioport.h pgtable.h pgtable_64.h dcache.h highuid.h uidgid.h pid.h capability.h uuid.h
uuid.h hrtimer.h latencytop.h sched.h fs.h percpu_counter.h quota.h huge_mm.h vm_event_item.h vmstat.h sysctl.h umh.h kmod.h vdso.h elf.h elf.h
elf.h kobject.h moduleparam.h module.h sections.h asm.h sections.h signal.h task.h key.h ratelimit.h user.h cred.h nsproxy.h ftrace.h ftrace.h stddef.h kprobes.h kprobes.h utsname.h ftrace_irq.h kdebug.h debug.h crash_core.h irq.h pm.h nmi.h intel_ds.h edd.h
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