Hi, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 99b0f54e6a3a4012aacfaada5644a8e520447d80 commit: abec1a806e0c3cf168999667d5fb6218398ef12a percpu: Make __verify_pcu_ptr handle per cpu pointers to arrays date: 2 years, 10 months ago config: mn10300-allyesconfig (attached as .config) compiler: am33_2.0-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout abec1a806e0c3cf168999667d5fb6218398ef12a # save the attached .config to linux build tree make.cross ARCH=mn10300 All errors (new ones prefixed by >>): In file included from net/dccp/probe.c:26:0: include/linux/kprobes.h: In function 'get_kprobe_ctlblk': >> include/linux/kprobes.h:332:2: error: invalid use of undefined type 'struct >> kprobe_ctlblk' return (&__get_cpu_var(kprobe_ctlblk)); ^ In file included from arch/mn10300/include/asm/percpu.h:1:0, from include/linux/percpu.h:10, from include/linux/kprobes.h:38, from net/dccp/probe.c:26: include/asm-generic/percpu.h:83:29: error: dereferencing pointer to incomplete type #define __get_cpu_var(var) (*VERIFY_PERCPU_PTR(&(var))) ^ include/linux/kprobes.h:332:11: note: in expansion of macro '__get_cpu_var' return (&__get_cpu_var(kprobe_ctlblk)); ^ vim +332 include/linux/kprobes.h ef53d9c5 Srinivasa D S 2008-07-25 316 void kretprobe_hash_unlock(struct task_struct *tsk, unsigned long *flags); b94cce92 Hien Nguyen 2005-06-23 317 struct hlist_head * kretprobe_inst_table_head(struct task_struct *tsk); ^1da177e Linus Torvalds 2005-04-16 318 e6584523 Ananth N Mavinakayanahalli 2005-11-07 319 /* kprobe_running() will just return the current_kprobe on this CPU */ e6584523 Ananth N Mavinakayanahalli 2005-11-07 320 static inline struct kprobe *kprobe_running(void) e6584523 Ananth N Mavinakayanahalli 2005-11-07 321 { b76834bc Christoph Lameter 2010-12-06 322 return (__this_cpu_read(current_kprobe)); e6584523 Ananth N Mavinakayanahalli 2005-11-07 323 } e6584523 Ananth N Mavinakayanahalli 2005-11-07 324 e6584523 Ananth N Mavinakayanahalli 2005-11-07 325 static inline void reset_current_kprobe(void) e6584523 Ananth N Mavinakayanahalli 2005-11-07 326 { b76834bc Christoph Lameter 2010-12-06 327 __this_cpu_write(current_kprobe, NULL); e6584523 Ananth N Mavinakayanahalli 2005-11-07 328 } e6584523 Ananth N Mavinakayanahalli 2005-11-07 329 e6584523 Ananth N Mavinakayanahalli 2005-11-07 330 static inline struct kprobe_ctlblk *get_kprobe_ctlblk(void) e6584523 Ananth N Mavinakayanahalli 2005-11-07 331 { e6584523 Ananth N Mavinakayanahalli 2005-11-07 @332 return (&__get_cpu_var(kprobe_ctlblk)); e6584523 Ananth N Mavinakayanahalli 2005-11-07 333 } e6584523 Ananth N Mavinakayanahalli 2005-11-07 334 ^1da177e Linus Torvalds 2005-04-16 335 int register_kprobe(struct kprobe *p); ^1da177e Linus Torvalds 2005-04-16 336 void unregister_kprobe(struct kprobe *p); 9861668f Masami Hiramatsu 2008-04-28 337 int register_kprobes(struct kprobe **kps, int num); 9861668f Masami Hiramatsu 2008-04-28 338 void unregister_kprobes(struct kprobe **kps, int num); ^1da177e Linus Torvalds 2005-04-16 339 int setjmp_pre_handler(struct kprobe *, struct pt_regs *); ^1da177e Linus Torvalds 2005-04-16 340 int longjmp_break_handler(struct kprobe *, struct pt_regs *); :::::: The code at line 332 was first introduced by commit :::::: e65845235c8120be63001fc1a4ac00c819194bbe [PATCH] Kprobes: Track kprobe on a per_cpu basis - base changes :::::: TO: Ananth N Mavinakayanahalli <ana...@in.ibm.com> :::::: CC: Linus Torvalds <torva...@g5.osdl.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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