On Mon, Mar 21, 2016 at 04:03:50AM +0800, kbuild test robot wrote: > Hi Will, > > FYI, the error/warning still remains. ... as does my patch to fix it [1] Will [1] http://lkml.kernel.org/r/1457541344-16961-1-git-send-email-will.deacon@xxxxxxx > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 1e75a9f34a5ed5902707fb74b468356c55142b71 > commit: da48d094ce5d7c7dcdad9011648a81c42fd1c2ef Kconfig: remove HAVE_LATENCYTOP_SUPPORT > date: 9 weeks ago > config: ia64-allmodconfig (attached as .config) > reproduce: > wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout da48d094ce5d7c7dcdad9011648a81c42fd1c2ef > # save the attached .config to linux build tree > make.cross ARCH=ia64 > > All errors (new ones prefixed by >>): > > arch/ia64/kernel/entry.S: Assembler messages: > >> arch/ia64/kernel/entry.S:621: Error: Operand 2 of `adds' should be a 14-bit integer (-8192-8191) > arch/ia64/kernel/entry.S:728: Error: Operand 2 of `adds' should be a 14-bit integer (-8192-8191) > arch/ia64/kernel/entry.S:859: Error: Operand 2 of `adds' should be a 14-bit integer (-8192-8191) > -- > arch/ia64/kernel/fsys.S: Assembler messages: > >> arch/ia64/kernel/fsys.S:67: Error: Operand 3 of `add' should be a general register r0-r3 > arch/ia64/kernel/fsys.S:97: Error: Operand 3 of `add' should be a general register r0-r3 > arch/ia64/kernel/fsys.S:193: Error: Operand 3 of `add' should be a general register r0-r3 > arch/ia64/kernel/fsys.S:336: Error: Operand 3 of `add' should be a general register r0-r3 > arch/ia64/kernel/fsys.S:338: Error: Operand 3 of `add' should be a general register r0-r3 > -- > arch/ia64/kernel/ivt.S: Assembler messages: > >> arch/ia64/kernel/ivt.S:759: Error: Operand 3 of `add' should be a general register r0-r3 > > vim +621 arch/ia64/kernel/entry.S > > ^1da177e Linus Torvalds 2005-04-16 605 PT_REGS_UNWIND_INFO(0) > ^1da177e Linus Torvalds 2005-04-16 606 { /* > ^1da177e Linus Torvalds 2005-04-16 607 * Some versions of gas generate bad unwind info if the first instruction of a > ^1da177e Linus Torvalds 2005-04-16 608 * procedure doesn't go into the first slot of a bundle. This is a workaround. > ^1da177e Linus Torvalds 2005-04-16 609 */ > ^1da177e Linus Torvalds 2005-04-16 610 nop.m 0 > ^1da177e Linus Torvalds 2005-04-16 611 nop.i 0 > ^1da177e Linus Torvalds 2005-04-16 612 /* > ^1da177e Linus Torvalds 2005-04-16 613 * We need to call schedule_tail() to complete the scheduling process. > ^1da177e Linus Torvalds 2005-04-16 614 * Called by ia64_switch_to() after do_fork()->copy_thread(). r8 contains the > ^1da177e Linus Torvalds 2005-04-16 615 * address of the previously executing task. > ^1da177e Linus Torvalds 2005-04-16 616 */ > ^1da177e Linus Torvalds 2005-04-16 617 br.call.sptk.many rp=ia64_invoke_schedule_tail > ^1da177e Linus Torvalds 2005-04-16 618 } > ^1da177e Linus Torvalds 2005-04-16 619 .ret8: > 54d496c3 Al Viro 2012-10-14 620 (pKStk) br.call.sptk.many rp=call_payload > ^1da177e Linus Torvalds 2005-04-16 @621 adds r2=TI_FLAGS+IA64_TASK_SIZE,r13 > ^1da177e Linus Torvalds 2005-04-16 622 ;; > ^1da177e Linus Torvalds 2005-04-16 623 ld4 r2=[r2] > ^1da177e Linus Torvalds 2005-04-16 624 ;; > ^1da177e Linus Torvalds 2005-04-16 625 mov r8=0 > ^1da177e Linus Torvalds 2005-04-16 626 and r2=_TIF_SYSCALL_TRACEAUDIT,r2 > ^1da177e Linus Torvalds 2005-04-16 627 ;; > ^1da177e Linus Torvalds 2005-04-16 628 cmp.ne p6,p0=r2,r0 > ^1da177e Linus Torvalds 2005-04-16 629 (p6) br.cond.spnt .strace_check_retval > > :::::: The code at line 621 was first introduced by commit > :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 > > :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> > :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>