Hi Al, FYI, kernel build failed on tree: git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal.git arch-avr32 head: 5c6f3d0025bfb03370912475c01d090c41c785d6 commit: cd8962829fa4942151a26dc51fd5d5863fecbb3e [1/2] avr32: switch to generic kernel_thread()/kernel_execve() config: avr32-atngw100_defconfig # make ARCH=avr32 atngw100_defconfig All error/warnings: In file included from include/linux/sched.h:11, from arch/avr32/kernel/process.c:8: arch/avr32/include/asm/param.h:6:1: warning: "HZ" redefined In file included from arch/avr32/include/asm/param.h:4, from include/linux/sched.h:11, from arch/avr32/kernel/process.c:8: arch/avr32/include/uapi/asm/param.h:6:1: warning: this is the location of the previous definition arch/avr32/kernel/process.c: In function 'copy_thread': arch/avr32/kernel/process.c:310: warning: assignment makes integer from pointer without a cast arch/avr32/kernel/process.c:312: error: 'chilregs' undeclared (first use in this function) arch/avr32/kernel/process.c:312: error: (Each undeclared identifier is reported only once arch/avr32/kernel/process.c:312: error: for each function it appears in.) vim +312 arch/avr32/kernel/process.c cd896282 Al Viro 2012-10-15 306 if (unlikely(!regs)) { cd896282 Al Viro 2012-10-15 307 memset(childregs, 0, sizeof(struct pt_regs)); cd896282 Al Viro 2012-10-15 308 p->thread.cpu_context.r0 = arg; cd896282 Al Viro 2012-10-15 309 p->thread.cpu_context.r1 = usp; /* fn */ cd896282 Al Viro 2012-10-15 310 p->thread.cpu_context.r2 = syscall_return; cd896282 Al Viro 2012-10-15 311 p->thread.cpu_context.pc = (unsigned long)ret_from_kernel_thread; cd896282 Al Viro 2012-10-15 @312 chilregs->sr = MODE_SUPERVISOR; cd896282 Al Viro 2012-10-15 313 } else { cd896282 Al Viro 2012-10-15 314 *childregs = *regs; 5f97f7f9 Haavard Skinnemoen 2006-09-25 315 childregs->sp = usp; --- 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