Hi Heiko, I love your patch! Yet something to improve: [auto build test ERROR on s390/features] [also build test ERROR on tip/locking/core masahiroy-kbuild/for-next linus/master v5.18-rc6] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Heiko-Carstens/s390-allow-to-build-with-llvm-s-integrated-assembler/20220511-201054 base: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features config: s390-randconfig-p001-20220512 (https://download.01.org/0day-ci/archive/20220512/202205122320.fTZIQ9dT-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/ad8a0a6488ba252aaa84b813dee2c949ae59d88a git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Heiko-Carstens/s390-allow-to-build-with-llvm-s-integrated-assembler/20220511-201054 git checkout ad8a0a6488ba252aaa84b813dee2c949ae59d88a # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash arch/s390/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arch/s390/kernel/entry.S: Assembler messages: >> arch/s390/kernel/entry.S:378: Error: Unrecognized opcode: `slgrk' arch/s390/kernel/entry.S:488: Error: Unrecognized opcode: `slgrk' arch/s390/kernel/entry.S:489: Error: Unrecognized opcode: `slgrk' arch/s390/kernel/entry.S:554: Error: Unrecognized opcode: `slgrk' arch/s390/kernel/entry.S:555: Error: Unrecognized opcode: `slgrk' vim +378 arch/s390/kernel/entry.S 26a374ae7af8d7 arch/s390/kernel/entry.S Martin Schwidefsky 2019-01-17 359 ^1da177e4c3f41 arch/s390/kernel/entry64.S Linus Torvalds 2005-04-16 360 /* ^1da177e4c3f41 arch/s390/kernel/entry64.S Linus Torvalds 2005-04-16 361 * Program check handler routine ^1da177e4c3f41 arch/s390/kernel/entry64.S Linus Torvalds 2005-04-16 362 */ ^1da177e4c3f41 arch/s390/kernel/entry64.S Linus Torvalds 2005-04-16 363 144d634a21caff arch/s390/kernel/entry64.S Jan Glauber 2011-07-24 364 ENTRY(pgm_check_handler) 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 365 stpt __LC_SYS_ENTER_TIMER d768bd892fc8f0 arch/s390/kernel/entry.S Martin Schwidefsky 2018-01-16 366 BPOFF c5328901aa1db1 arch/s390/kernel/entry64.S Martin Schwidefsky 2011-12-27 367 stmg %r8,%r15,__LC_SAVE_AREA_SYNC 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 368 lg %r12,__LC_CURRENT 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 369 lghi %r10,0 c5328901aa1db1 arch/s390/kernel/entry64.S Martin Schwidefsky 2011-12-27 370 lmg %r8,%r9,__LC_PGM_OLD_PSW 87d5986345219a arch/s390/kernel/entry.S Heiko Carstens 2020-11-16 371 tmhh %r8,0x0001 # coming from user space? 87d5986345219a arch/s390/kernel/entry.S Heiko Carstens 2020-11-16 372 jno .Lpgm_skip_asce 87d5986345219a arch/s390/kernel/entry.S Heiko Carstens 2020-11-16 373 lctlg %c1,%c1,__LC_KERNEL_ASCE 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 374 j 3f # -> fault in user space 87d5986345219a arch/s390/kernel/entry.S Heiko Carstens 2020-11-16 375 .Lpgm_skip_asce: d0fc41071a6884 arch/s390/kernel/entry.S Martin Schwidefsky 2015-06-22 376 #if IS_ENABLED(CONFIG_KVM) 0a5e2ec2647737 arch/s390/kernel/entry.S Martin Schwidefsky 2017-10-05 377 # cleanup critical section for program checks in sie64a b5415c8f975506 arch/s390/kernel/entry.S Alexander Gordeev 2021-06-07 @378 OUTSIDE %r9,.Lsie_gmap,.Lsie_done,1f fbbdfca5c5535f arch/s390/kernel/entry.S Alexander Gordeev 2021-06-18 379 SIEEXIT 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 380 lghi %r10,_PIF_GUEST_FAULT d0fc41071a6884 arch/s390/kernel/entry.S Martin Schwidefsky 2015-06-22 381 #endif 0b38b5e1d0e2f3 arch/s390/kernel/entry.S Sven Schnelle 2020-01-22 382 1: tmhh %r8,0x4000 # PER bit set in old PSW ? 0b38b5e1d0e2f3 arch/s390/kernel/entry.S Sven Schnelle 2020-01-22 383 jnz 2f # -> enabled, can't be a double fault c5328901aa1db1 arch/s390/kernel/entry64.S Martin Schwidefsky 2011-12-27 384 tm __LC_PGM_ILC+3,0x80 # check for per exception 86ed42f401cb8f arch/s390/kernel/entry64.S Martin Schwidefsky 2014-12-03 385 jnz .Lpgm_svcper # -> single stepped svc 0b38b5e1d0e2f3 arch/s390/kernel/entry.S Sven Schnelle 2020-01-22 386 2: CHECK_STACK __LC_SAVE_AREA_SYNC dc7ee00d4771b3 arch/s390/kernel/entry64.S Martin Schwidefsky 2013-04-24 387 aghi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE) 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 388 # CHECK_VMAP_STACK branches to stack_overflow or 4f 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 389 CHECK_VMAP_STACK __LC_SAVE_AREA_SYNC,4f 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 390 3: BPENTER __TI_flags(%r12),_TIF_ISOLATE_BP c5328901aa1db1 arch/s390/kernel/entry64.S Martin Schwidefsky 2011-12-27 391 lg %r15,__LC_KERNEL_STACK 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 392 4: la %r11,STACK_FRAME_OVERHEAD(%r15) 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 393 stg %r10,__PT_FLAGS(%r11) 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 394 xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15) c5328901aa1db1 arch/s390/kernel/entry64.S Martin Schwidefsky 2011-12-27 395 stmg %r0,%r7,__PT_R0(%r11) 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 396 mvc __PT_R8(64,%r11),__LC_SAVE_AREA_SYNC 3b051e89da70d4 arch/s390/kernel/entry.S Sven Schnelle 2021-04-07 397 mvc __PT_LAST_BREAK(8,%r11),__LC_PGM_LAST_BREAK 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 398 stmg %r8,%r9,__PT_PSW(%r11) 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 399 7041d28115e91f arch/s390/kernel/entry.S Martin Schwidefsky 2018-01-16 400 # clear user controlled registers to prevent speculative use 7041d28115e91f arch/s390/kernel/entry.S Martin Schwidefsky 2018-01-16 401 xgr %r0,%r0 7041d28115e91f arch/s390/kernel/entry.S Martin Schwidefsky 2018-01-16 402 xgr %r1,%r1 7041d28115e91f arch/s390/kernel/entry.S Martin Schwidefsky 2018-01-16 403 xgr %r3,%r3 7041d28115e91f arch/s390/kernel/entry.S Martin Schwidefsky 2018-01-16 404 xgr %r4,%r4 7041d28115e91f arch/s390/kernel/entry.S Martin Schwidefsky 2018-01-16 405 xgr %r5,%r5 7041d28115e91f arch/s390/kernel/entry.S Martin Schwidefsky 2018-01-16 406 xgr %r6,%r6 7041d28115e91f arch/s390/kernel/entry.S Martin Schwidefsky 2018-01-16 407 xgr %r7,%r7 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 408 lgr %r2,%r11 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 409 brasl %r14,__do_pgm_check 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 410 tmhh %r8,0x0001 # returning to user space? 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 411 jno .Lpgm_exit_kernel 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 412 lctlg %c1,%c1,__LC_USER_ASCE 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 413 BPEXIT __TI_flags(%r12),_TIF_ISOLATE_BP 0cd9b7230cc57b arch/s390/kernel/entry.S Heiko Carstens 2020-11-11 414 stpt __LC_EXIT_TIMER 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 415 .Lpgm_exit_kernel: 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 416 mvc __LC_RETURN_PSW(16),STACK_FRAME_OVERHEAD+__PT_PSW(%r15) 3b051e89da70d4 arch/s390/kernel/entry.S Sven Schnelle 2021-04-07 417 LBEAR STACK_FRAME_OVERHEAD+__PT_LAST_BREAK(%r15) 56e62a73702836 arch/s390/kernel/entry.S Sven Schnelle 2020-11-21 418 lmg %r0,%r15,STACK_FRAME_OVERHEAD+__PT_R0(%r15) 3b051e89da70d4 arch/s390/kernel/entry.S Sven Schnelle 2021-04-07 419 LPSWEY __LC_RETURN_PSW,__LC_RETURN_LPSWE ^1da177e4c3f41 arch/s390/kernel/entry64.S Linus Torvalds 2005-04-16 420 -- 0-DAY CI Kernel Test Service https://01.org/lkp