Messages in this thread | | | Date | Wed, 19 Jun 2019 16:07:54 +0800 | From | kbuild test robot <> | Subject | [tip:WIP.x86/ipi 3/11] arch/x86/kernel/nmi.c:515:46: error: 'cpu_is_dead' undeclared; did you mean 'cpuid_eax'? |
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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-tinyconfig (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 <lkp@intel.com>
All errors (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 +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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