Hi Al, FYI, kernel build failed on tree: git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal.git master head: 4777474d7fd941142a914d54350cd34584f8ca14 commit: c8320e4430c3079ae3fddf42089eb26bfb898f70 [26/36] mn10300: sigaltstack conversion config: mn10300-asb2364_defconfig # make ARCH=mn10300 asb2364_defconfig branch date: 44 minutes ago commit date: 46 minutes ago All error/warnings: arch/mn10300/kernel/signal.c: In function 'sys_rt_sigreturn': arch/mn10300/kernel/signal.c:188:2: error: implicit declaration of function 'sys_sigaltstack' [-Werror=implicit-function-declaration] cc1: some warnings being treated as errors vim +188 arch/mn10300/kernel/signal.c b920de1b David Howells 2008-02-08 182 00f35785 Matt Fleming 2012-05-11 183 set_current_blocked(&set); b920de1b David Howells 2008-02-08 184 c8320e44 Al Viro 2012-09-20 185 if (restore_sigcontext(&frame->uc.uc_mcontext, &d0)) b920de1b David Howells 2008-02-08 186 goto badframe; b920de1b David Howells 2008-02-08 187 c8320e44 Al Viro 2012-09-20 @188 if (sys_sigaltstack(&frame->uc.uc_stack, NULL) == -EFAULT) b920de1b David Howells 2008-02-08 189 goto badframe; b920de1b David Howells 2008-02-08 190 b920de1b David Howells 2008-02-08 191 return d0; --- 0-DAY kernel build testing backend Open Source Technology Center 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