Hi Alexei, I love your patch! Yet something to improve: [auto build test ERROR on net-next/master] [also build test ERROR on v5.7-rc7 next-20200529] [cannot apply to bpf-next/master bpf/master net/master] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Alexei-Starovoitov/bpf-Introduce-minimal-support-for-sleepable-progs/20200531-055259 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git bc183dec08f9cb177cf5206a010b7a9e7b22e567 config: microblaze-randconfig-c003-20200531 (attached as .config) compiler: microblaze-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): microblaze-linux-ld: kernel/bpf/syscall.o: in function `__bpf_prog_put_noref': kernel/bpf/syscall.c:1729: undefined reference to `bpf_srcu' microblaze-linux-ld: kernel/bpf/hashtab.o: in function `lock_is_held': >> include/linux/lockdep.h:406: undefined reference to `bpf_srcu' microblaze-linux-ld: kernel/bpf/hashtab.o: in function `htab_map_free': kernel/bpf/hashtab.c:1305: undefined reference to `bpf_srcu' microblaze-linux-ld: kernel/bpf/hashtab.o: in function `lock_is_held': >> include/linux/lockdep.h:406: undefined reference to `bpf_srcu' >> microblaze-linux-ld: include/linux/lockdep.h:406: undefined reference to `bpf_srcu' microblaze-linux-ld: kernel/bpf/hashtab.o:include/linux/lockdep.h:406: more undefined references to `bpf_srcu' follow vim +406 include/linux/lockdep.h f8319483f57f1c Peter Zijlstra 2016-11-30 403 08f36ff642342f Matthew Wilcox 2018-01-17 404 static inline int lock_is_held(const struct lockdep_map *lock) f8319483f57f1c Peter Zijlstra 2016-11-30 405 { f8319483f57f1c Peter Zijlstra 2016-11-30 @406 return lock_is_held_type(lock, -1); f8319483f57f1c Peter Zijlstra 2016-11-30 407 } f607c668577481 Peter Zijlstra 2009-07-20 408 :::::: The code at line 406 was first introduced by commit :::::: f8319483f57f1ca22370f4150bb990aca7728a67 locking/lockdep: Provide a type check for lock_is_held :::::: TO: Peter Zijlstra <peterz@xxxxxxxxxxxxx> :::::: CC: Dave Chinner <david@xxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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