Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 9 Jan 2024 16:05:49 +0800 | From | kernel test robot <> | Subject | arch/x86/kernel/cpu/debugfs.c:11:33: sparse: sparse: incorrect type in initializer (different address spaces) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9f8413c4a66f2fb776d3dc3c9ed20bf435eb305e commit: 48525fd1ea1cfa059a580e77b10ea8790914efa2 x86/cpu: Provide debug interface date: 3 months ago config: x86_64-randconfig-123-20240106 (https://download.01.org/0day-ci/archive/20240109/202401091504.PDAmleJY-lkp@intel.com/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240109/202401091504.PDAmleJY-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202401091504.PDAmleJY-lkp@intel.com/
sparse warnings: (new ones prefixed by >>) >> arch/x86/kernel/cpu/debugfs.c:11:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got struct cpuinfo_x86 * @@ arch/x86/kernel/cpu/debugfs.c:11:33: sparse: expected void const [noderef] __percpu *__vpp_verify arch/x86/kernel/cpu/debugfs.c:11:33: sparse: got struct cpuinfo_x86 *
vim +11 arch/x86/kernel/cpu/debugfs.c
7 8 static int cpu_debug_show(struct seq_file *m, void *p) 9 { 10 unsigned long cpu = (unsigned long)m->private; > 11 struct cpuinfo_x86 *c = per_cpu_ptr(&cpu_info, cpu); 12 13 seq_printf(m, "online: %d\n", cpu_online(cpu)); 14 if (!c->initialized) 15 return 0; 16 17 seq_printf(m, "initial_apicid: %x\n", c->topo.initial_apicid); 18 seq_printf(m, "apicid: %x\n", c->topo.apicid); 19 seq_printf(m, "pkg_id: %u\n", c->topo.pkg_id); 20 seq_printf(m, "die_id: %u\n", c->topo.die_id); 21 seq_printf(m, "cu_id: %u\n", c->topo.cu_id); 22 seq_printf(m, "core_id: %u\n", c->topo.core_id); 23 seq_printf(m, "logical_pkg_id: %u\n", c->topo.logical_pkg_id); 24 seq_printf(m, "logical_die_id: %u\n", c->topo.logical_die_id); 25 seq_printf(m, "llc_id: %u\n", c->topo.llc_id); 26 seq_printf(m, "l2c_id: %u\n", c->topo.l2c_id); 27 seq_printf(m, "max_cores: %u\n", c->x86_max_cores); 28 seq_printf(m, "max_die_per_pkg: %u\n", __max_die_per_package); 29 seq_printf(m, "smp_num_siblings: %u\n", smp_num_siblings); 30 return 0; 31 } 32
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