On 06/30, kbuild test robot wrote: > > Hi, > > [auto build test ERROR on linus/master] > [also build test ERROR on v4.7-rc5 next-20160629] > [if your patch is applied to the wrong git tree, please drop us a note to > help improve the system]
Yes, please ignore this, the patch is based on Andy's x86/vmap_stack tree. > url: > https://github.com/0day-ci/linux/commits/Oleg-Nesterov/kthread-to_live_kthread-needs-try_get_task_stack/20160630-020824 > config: i386-tinyconfig (attached as .config) > compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > All errors (new ones prefixed by >>): > > kernel/kthread.c: In function 'to_live_kthread': > >> kernel/kthread.c:67:23: error: implicit declaration of function > >> 'try_get_task_stack' [-Werror=implicit-function-declaration] > if (likely(vfork) && try_get_task_stack(k)) > ^~~~~~~~~~~~~~~~~~ > kernel/kthread.c: In function 'kthread_unpark': > >> kernel/kthread.c:430:3: error: implicit declaration of function > >> 'put_task_stack' [-Werror=implicit-function-declaration] > put_task_stack(k); > ^~~~~~~~~~~~~~ > cc1: some warnings being treated as errors > > vim +/try_get_task_stack +67 kernel/kthread.c > > 61 return __to_kthread(k->vfork_done); > 62 } > 63 > 64 static struct kthread *to_live_kthread(struct task_struct *k) > 65 { > 66 struct completion *vfork = ACCESS_ONCE(k->vfork_done); > > 67 if (likely(vfork) && try_get_task_stack(k)) > 68 return __to_kthread(vfork); > 69 return NULL; > 70 } > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation
