Hi Al, FYI, kernel build failed on tree: git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal.git master head: d38625a1fb0a7adcc79f97c37d3afde2981aa02a commit: 9d5523cd164dd6ace6a8154a1c9d4f1c01fefdab [89/93] sh: sigaltstack conversion config: sh-allnoconfig All related error/warning messages: arch/sh/kernel/signal_32.c: In function 'sys_rt_sigreturn': arch/sh/kernel/signal_32.c:249:2: error: implicit declaration of function 'sys_sigaltstack' [-Werror=implicit-function-declaration] cc1: all warnings being treated as errors vim +249 arch/sh/kernel/signal_32.c 243 244 set_current_blocked(&set); 245 246 if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0)) 247 goto badframe; 248 > 249 if (sys_sigaltstack(&frame->uc.uc_stack, NULL) == -EFAULT) 250 goto badframe; 251 252 return r0; --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu, Yuanhan Liu Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html