tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/ipi head: 0663387727c00bb25ce1e76f30deb6b193f591f8 commit: 8adde844ea4f8d0d147e0ad6c675970a58550bae [3/11] x86/hotplug: Silence APIC and NMI when CPU is dead config: i386-randconfig-x009-201924 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 8adde844ea4f8d0d147e0ad6c675970a58550bae # save the attached .config to linux build tree make ARCH=i386
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>
All warnings (new ones prefixed by >>):
In file included from include/asm-generic/percpu.h:7:0,
from arch/x86/include/asm/percpu.h:544,
from arch/x86/include/asm/preempt.h:6,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:51,
from arch/x86//kernel/nmi.c:14:
arch/x86//kernel/nmi.c: In function 'do_nmi':
arch/x86//kernel/nmi.c:515:46: error: 'cpu_is_dead' undeclared (first use in
this function); did you mean 'cpuid_eax'?
if (IS_ENABLED(CONFIG_SMP) && this_cpu_read(cpu_is_dead))
^
include/linux/percpu-defs.h:319:9: note: in definition of macro
'__pcpu_size_call_return'
typeof(variable) pscr_ret__; \
^~~~~~~~
>> arch/x86//kernel/nmi.c:515:32: note: in expansion of macro 'this_cpu_read'
if (IS_ENABLED(CONFIG_SMP) && this_cpu_read(cpu_is_dead))
^~~~~~~~~~~~~
arch/x86//kernel/nmi.c:515:46: note: each undeclared identifier is reported
only once for each function it appears in
if (IS_ENABLED(CONFIG_SMP) && this_cpu_read(cpu_is_dead))
^
include/linux/percpu-defs.h:319:9: note: in definition of macro
'__pcpu_size_call_return'
typeof(variable) pscr_ret__; \
^~~~~~~~
>> arch/x86//kernel/nmi.c:515:32: note: in expansion of macro 'this_cpu_read'
if (IS_ENABLED(CONFIG_SMP) && this_cpu_read(cpu_is_dead))
^~~~~~~~~~~~~
vim +/this_cpu_read +515 arch/x86//kernel/nmi.c
511
512 dotraplinkage notrace void
513 do_nmi(struct pt_regs *regs, long error_code)
514 {
> 515 if (IS_ENABLED(CONFIG_SMP) && this_cpu_read(cpu_is_dead))
516 return;
517
518 if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) {
519 this_cpu_write(nmi_state, NMI_LATCHED);
520 return;
521 }
522 this_cpu_write(nmi_state, NMI_EXECUTING);
523 this_cpu_write(nmi_cr2, read_cr2());
524 nmi_restart:
525
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
