Hi Vineet, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git topic-zol-remove head: 3138fa6a1832fdb830784a9781e63d739c0fdef7 commit: 3138fa6a1832fdb830784a9781e63d739c0fdef7 [49/49] ARC: entry: assembler macros to emulate pseudo instructions config: arc-randconfig-r021-20200520 (attached as .config) compiler: arc-elf-gcc (GCC) 9.3.0 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 git checkout 3138fa6a1832fdb830784a9781e63d739c0fdef7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <l...@intel.com> All errors (new ones prefixed by >>, old ones prefixed by <<): arch/arc/kernel/entry-arcv2.S: Assembler messages: >> arch/arc/kernel/entry-arcv2.S:212: Error: bad expression >> arch/arc/kernel/entry-arcv2.S:212: Error: Brackets in operand field incorrect >> arch/arc/kernel/entry-arcv2.S:212: Error: syntax error >> arch/arc/kernel/entry-arcv2.S:212: Error: bad expression >> arch/arc/kernel/entry-arcv2.S:212: Error: Brackets in operand field incorrect >> arch/arc/kernel/entry-arcv2.S:212: Error: syntax error arch/arc/kernel/entry-arcv2.S:220: Error: bad expression arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect arch/arc/kernel/entry-arcv2.S:220: Error: syntax error arch/arc/kernel/entry-arcv2.S:220: Error: bad expression arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect arch/arc/kernel/entry-arcv2.S:220: Error: syntax error arch/arc/kernel/entry-arcv2.S:220: Error: bad expression arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect arch/arc/kernel/entry-arcv2.S:220: Error: syntax error arch/arc/kernel/entry-arcv2.S:220: Error: bad expression arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect arch/arc/kernel/entry-arcv2.S:220: Error: syntax error arch/arc/kernel/entry-arcv2.S:220: Error: bad expression arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect arch/arc/kernel/entry-arcv2.S:220: Error: syntax error arch/arc/kernel/entry-arcv2.S:220: Error: bad expression arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect arch/arc/kernel/entry-arcv2.S:220: Error: syntax error arch/arc/kernel/entry-arcv2.S:220: Error: bad expression arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect arch/arc/kernel/entry-arcv2.S:220: Error: syntax error arch/arc/kernel/entry-arcv2.S:220: Error: bad expression arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect arch/arc/kernel/entry-arcv2.S:220: Error: syntax error arch/arc/kernel/entry-arcv2.S:220: Error: bad expression arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect arch/arc/kernel/entry-arcv2.S:220: Error: syntax error arch/arc/kernel/entry-arcv2.S:220: Error: bad expression arch/arc/kernel/entry-arcv2.S:220: Error: Brackets in operand field incorrect arch/arc/kernel/entry-arcv2.S:220: Error: syntax error vim +212 arch/arc/kernel/entry-arcv2.S 75370ad44075e8 Vineet Gupta 2019-05-22 194 1f6ccfff631467 Vineet Gupta 2013-05-13 195 debug_marker_l1: e494239a007e60 Vineet Gupta 2018-06-06 196 ; bbit1.nt r0, STATUS_DE_BIT, .Lintr_ret_to_delay_slot e494239a007e60 Vineet Gupta 2018-06-06 197 btst r0, STATUS_DE_BIT ; Z flag set if bit clear e494239a007e60 Vineet Gupta 2018-06-06 198 bnz .Lintr_ret_to_delay_slot ; branch if STATUS_DE_BIT set 4255b07f2c9c43 Vineet Gupta 2014-09-22 199 1f6ccfff631467 Vineet Gupta 2013-05-13 200 ; Handle special case #1: (Entry via Exception, Return via IRQ) 1f6ccfff631467 Vineet Gupta 2013-05-13 201 ; 1f6ccfff631467 Vineet Gupta 2013-05-13 202 ; Exception in U mode, preempted in kernel, Intr taken (K mode), orig 1f6ccfff631467 Vineet Gupta 2013-05-13 203 ; task now returning to U mode (riding the Intr) 1f6ccfff631467 Vineet Gupta 2013-05-13 204 ; AUX_IRQ_ACTIVE won't have U bit set (since intr in K mode), hence SP 1f6ccfff631467 Vineet Gupta 2013-05-13 205 ; won't be switched to correct U mode value (from AUX_SP) 1f6ccfff631467 Vineet Gupta 2013-05-13 206 ; So force AUX_IRQ_ACT.U for such a case 1f6ccfff631467 Vineet Gupta 2013-05-13 207 1f6ccfff631467 Vineet Gupta 2013-05-13 208 btst r0, STATUS_U_BIT ; Z flag set if K (Z clear for U) 1f6ccfff631467 Vineet Gupta 2013-05-13 209 bset.nz r11, r11, AUX_IRQ_ACT_BIT_U ; NZ means U 1f6ccfff631467 Vineet Gupta 2013-05-13 210 sr r11, [AUX_IRQ_ACT] 1f6ccfff631467 Vineet Gupta 2013-05-13 211 a4880801a72ecc Vineet Gupta 2019-05-15 @212 INTERRUPT_EPILOGUE 1f6ccfff631467 Vineet Gupta 2013-05-13 213 rtie 1f6ccfff631467 Vineet Gupta 2013-05-13 214 :::::: The code at line 212 was first introduced by commit :::::: a4880801a72ecc2dcdfa432f81a754f3e7438567 ARCv2: entry: rewrite to enable use of double load/stores LDD/STD :::::: TO: Vineet Gupta <vgu...@synopsys.com> :::::: CC: Vineet Gupta <vgu...@synopsys.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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