From: kbuild test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [peterz-queue:WIP.x86/iopl 3/9] arch/x86/kernel/cpu/common.c:1886:6: error: implicit declaration of function 'is_uv_system'
Date: Thu, 07 Nov 2019 18:35:03 +0800 [thread overview]
Message-ID: <201911071850.vZoyGocQ%lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git WIP.x86/iopl
head: 90691cbd79871ddb1f457caed527ec9aada0c2ae
commit: e8d8b8bbdd5563540bbb597ed09d40b71dfdad02 [3/9] x86/cpu: Unify cpu_init()
config: i386-randconfig-a003-201944 (attached as .config)
compiler: gcc-5 (Ubuntu 5.5.0-12ubuntu1) 5.5.0 20171010
reproduce:
git checkout e8d8b8bbdd5563540bbb597ed09d40b71dfdad02
# 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 >>):
arch/x86/kernel/cpu/common.c: In function 'cpu_init':
>> arch/x86/kernel/cpu/common.c:1886:6: error: implicit declaration of function 'is_uv_system' [-Werror=implicit-function-declaration]
if (is_uv_system())
^
>> arch/x86/kernel/cpu/common.c:1887:3: error: implicit declaration of function 'uv_cpu_init' [-Werror=implicit-function-declaration]
uv_cpu_init();
^
cc1: some warnings being treated as errors
vim +/is_uv_system +1886 arch/x86/kernel/cpu/common.c
b2e2ba578e016a arch/x86/kernel/cpu/common.c Chang S. Bae 2018-09-18 1809
d2cbcc49e2bfd6 arch/i386/kernel/cpu/common.c Rusty Russell 2007-05-02 1810 /*
d2cbcc49e2bfd6 arch/i386/kernel/cpu/common.c Rusty Russell 2007-05-02 1811 * cpu_init() initializes state that is per-CPU. Some data is already
d2cbcc49e2bfd6 arch/i386/kernel/cpu/common.c Rusty Russell 2007-05-02 1812 * initialized (naturally) in the bootstrap process, such as the GDT
d2cbcc49e2bfd6 arch/i386/kernel/cpu/common.c Rusty Russell 2007-05-02 1813 * and IDT. We reload them nevertheless, this function acts as a
d2cbcc49e2bfd6 arch/i386/kernel/cpu/common.c Rusty Russell 2007-05-02 1814 * 'CPU state barrier', nothing should get across.
d2cbcc49e2bfd6 arch/i386/kernel/cpu/common.c Rusty Russell 2007-05-02 1815 */
148f9bb87745ed arch/x86/kernel/cpu/common.c Paul Gortmaker 2013-06-18 1816 void cpu_init(void)
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1817 {
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1818 struct tss_struct *tss = this_cpu_ptr(&cpu_tss_rw);
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1819 struct task_struct *cur = current;
f6ef73224a0f04 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-04-14 1820 int cpu = raw_smp_processor_id();
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1821
ce4b1b16502b18 arch/x86/kernel/cpu/common.c Igor Mammedov 2014-06-20 1822 wait_for_master_cpu(cpu);
ce4b1b16502b18 arch/x86/kernel/cpu/common.c Igor Mammedov 2014-06-20 1823
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1824 ucode_cpu_init(cpu);
0f3fa48a7eaf5d arch/x86/kernel/cpu/common.c Ingo Molnar 2009-03-14 1825
e7a22c1ebcc1ca arch/x86/kernel/cpu/common.c Brian Gerst 2009-01-19 1826 #ifdef CONFIG_NUMA
27fd185f3d9e83 arch/x86/kernel/cpu/common.c Fenghua Yu 2012-11-13 1827 if (this_cpu_read(numa_node) == 0 &&
e534c7c5f8d6e9 arch/x86/kernel/cpu/common.c Lee Schermerhorn 2010-05-26 1828 early_cpu_to_node(cpu) != NUMA_NO_NODE)
e534c7c5f8d6e9 arch/x86/kernel/cpu/common.c Lee Schermerhorn 2010-05-26 1829 set_numa_node(early_cpu_to_node(cpu));
e7a22c1ebcc1ca arch/x86/kernel/cpu/common.c Brian Gerst 2009-01-19 1830 #endif
b2e2ba578e016a arch/x86/kernel/cpu/common.c Chang S. Bae 2018-09-18 1831 setup_getcpu(cpu);
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1832
2eaad1fddd7450 arch/x86/kernel/cpu/common.c Mike Travis 2009-12-10 1833 pr_debug("Initializing CPU#%d\n", cpu);
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1834
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1835 if (IS_ENABLED(CONFIG_X86_64) || cpu_feature_enabled(X86_FEATURE_VME) ||
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1836 boot_cpu_has(X86_FEATURE_TSC) || boot_cpu_has(X86_FEATURE_DE))
375074cc736ab1 arch/x86/kernel/cpu/common.c Andy Lutomirski 2014-10-24 1837 cr4_clear_bits(X86_CR4_VME|X86_CR4_PVI|X86_CR4_TSD|X86_CR4_DE);
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1838
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1839 /*
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1840 * Initialize the per-CPU GDT with the boot GDT,
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1841 * and set up the GDT descriptor:
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1842 */
552be871e67ff5 arch/x86/kernel/cpu/common.c Brian Gerst 2009-01-30 1843 switch_to_new_gdt(cpu);
cf910e83ae2369 arch/x86/kernel/cpu/common.c Seiji Aguchi 2013-06-20 1844 load_current_idt();
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1845
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1846 if (IS_ENABLED(CONFIG_X86_64)) {
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1847 loadsegment(fs, 0);
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1848 memset(cur->thread.tls_array, 0, GDT_ENTRY_TLS_ENTRIES * 8);
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1849 syscall_init();
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1850
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1851 wrmsrl(MSR_FS_BASE, 0);
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1852 wrmsrl(MSR_KERNEL_GS_BASE, 0);
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1853 barrier();
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1854
659006bf3ae37a arch/x86/kernel/cpu/common.c Thomas Gleixner 2015-01-15 1855 x2apic_setup();
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1856 }
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1857
f1f1007644ffc8 arch/x86/kernel/cpu/common.c Vegard Nossum 2017-02-27 1858 mmgrab(&init_mm);
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1859 cur->active_mm = &init_mm;
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1860 BUG_ON(cur->mm);
72c0098d92cedb arch/x86/kernel/cpu/common.c Andy Lutomirski 2017-09-06 1861 initialize_tlbstate_and_flush();
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1862 enter_lazy_tlb(&init_mm, cur);
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1863
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1864 /* Initialize the TSS. */
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1865 tss_setup_ist(tss);
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1866 tss->x86_tss.io_bitmap_base = IO_BITMAP_OFFSET;
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1867 memset(tss->io_bitmap, 0xff, sizeof(tss->io_bitmap));
72f5e08dbba2d0 arch/x86/kernel/cpu/common.c Andy Lutomirski 2017-12-04 1868 set_tss_desc(cpu, &get_cpu_entry_area(cpu)->tss.x86_tss);
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1869
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1870 load_TR_desc();
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1871 /*
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1872 * sp0 points to the entry trampoline stack regardless of what task
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1873 * is running.
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1874 */
4fe2d8b11a370a arch/x86/kernel/cpu/common.c Dave Hansen 2017-12-04 1875 load_sp0((unsigned long)(cpu_entry_stack(cpu) + 1));
20bb83443ea790 arch/x86/kernel/cpu/common.c Andy Lutomirski 2017-11-02 1876
37868fe113ff2b arch/x86/kernel/cpu/common.c Andy Lutomirski 2015-07-30 1877 load_mm_ldt(&init_mm);
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1878
9766cdbcb26038 arch/x86/kernel/cpu/common.c Jaswinder Singh Rajput 2009-03-14 1879 clear_all_debug_regs();
0bb9fef9134cf4 arch/x86/kernel/cpu/common.c Jason Wessel 2010-05-20 1880 dbg_restore_debug_regs();
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1881
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1882 gdt_setup_doublefault_tss(cpu);
e8d8b8bbdd5563 arch/x86/kernel/cpu/common.c Thomas Gleixner 2019-10-25 1883
21c4cd108a1b14 arch/x86/kernel/cpu/common.c Ingo Molnar 2015-04-26 1884 fpu__init_cpu();
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1885
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 @1886 if (is_uv_system())
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 @1887 uv_cpu_init();
69218e47994da6 arch/x86/kernel/cpu/common.c Thomas Garnier 2017-03-14 1888
69218e47994da6 arch/x86/kernel/cpu/common.c Thomas Garnier 2017-03-14 1889 load_fixmap_gdt(cpu);
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1890 }
1ba76586f778be arch/x86/kernel/cpu/common.c Yinghai Lu 2008-09-04 1891
:::::: The code at line 1886 was first introduced by commit
:::::: 1ba76586f778be327e452180d8378e40ee70f066 x86: cpu/common*.c have same cpu_init(), with copying and #ifdef
:::::: TO: Yinghai Lu <yhlu.kernel@gmail.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation
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