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30 May 2022 16:41:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,263,1647327600"; d="scan'208";a="562078151" Received: from lkp-server01.sh.intel.com (HELO 60dabacc1df6) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 30 May 2022 16:41:44 -0700 Received: from kbuild by 60dabacc1df6 with local (Exim 4.95) (envelope-from ) id 1nvp15-00025U-VS; Mon, 30 May 2022 23:41:43 +0000 Date: Tue, 31 May 2022 07:41:16 +0800 From: kernel test robot To: Greg Ungerer Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: arch/m68k/68000/ints.c:82:30: error: 'ISR' undeclared Message-ID: <202205310707.ppwnnzce-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Greg, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ab2afa23bd197df47819a87f0265c0ac95c5b6a commit: 6b8be804ff376f6657ccdf6b29974e7c793d88c4 m68knommu: fix 68000 CPU link with no platform selected date: 6 days ago config: m68k-buildonly-randconfig-r004-20220530 (https://download.01.org/0day-ci/archive/20220531/202205310707.ppwnnzce-lkp@intel.com/config) compiler: m68k-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6b8be804ff376f6657ccdf6b29974e7c793d88c4 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6b8be804ff376f6657ccdf6b29974e7c793d88c4 # 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=m68k SHELL=/bin/bash arch/m68k/68000/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): arch/m68k/68000/ints.c:77:6: warning: no previous prototype for 'process_int' [-Wmissing-prototypes] 77 | void process_int(int vec, struct pt_regs *fp) | ^~~~~~~~~~~ arch/m68k/68000/ints.c: In function 'process_int': >> arch/m68k/68000/ints.c:82:30: error: 'ISR' undeclared (first use in this function) 82 | unsigned long pend = ISR; | ^~~ arch/m68k/68000/ints.c:82:30: note: each undeclared identifier is reported only once for each function it appears in arch/m68k/68000/ints.c: In function 'intc_irq_unmask': >> arch/m68k/68000/ints.c:135:9: error: 'IMR' undeclared (first use in this function) 135 | IMR &= ~(1 << d->irq); | ^~~ arch/m68k/68000/ints.c: In function 'intc_irq_mask': arch/m68k/68000/ints.c:140:9: error: 'IMR' undeclared (first use in this function) 140 | IMR |= (1 << d->irq); | ^~~ arch/m68k/68000/ints.c: At top level: arch/m68k/68000/ints.c:153:13: warning: no previous prototype for 'trap_init' [-Wmissing-prototypes] 153 | void __init trap_init(void) | ^~~~~~~~~ arch/m68k/68000/ints.c:172:13: warning: no previous prototype for 'init_IRQ' [-Wmissing-prototypes] 172 | void __init init_IRQ(void) | ^~~~~~~~ arch/m68k/68000/ints.c: In function 'init_IRQ': >> arch/m68k/68000/ints.c:176:9: error: 'IVR' undeclared (first use in this function) 176 | IVR = 0x40; /* Set DragonBall IVR (interrupt base) to 64 */ | ^~~ arch/m68k/68000/ints.c:179:9: error: 'IMR' undeclared (first use in this function) 179 | IMR = ~0; | ^~~ vim +/ISR +82 arch/m68k/68000/ints.c ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 70 ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 71 /* The 68k family did not have a good way to determine the source ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 72 * of interrupts until later in the family. The EC000 core does ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 73 * not provide the vector number on the stack, we vector everything ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 74 * into one vector and look in the blasted mask register... ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 75 * This code is designed to be fast, almost constant time, not clean! ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 76 */ ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 77 void process_int(int vec, struct pt_regs *fp) ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 78 { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 79 int irq; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 80 int mask; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 81 ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 @82 unsigned long pend = ISR; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 83 ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 84 while (pend) { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 85 if (pend & 0x0000ffff) { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 86 if (pend & 0x000000ff) { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 87 if (pend & 0x0000000f) { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 88 mask = 0x00000001; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 89 irq = 0; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 90 } else { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 91 mask = 0x00000010; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 92 irq = 4; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 93 } ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 94 } else { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 95 if (pend & 0x00000f00) { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 96 mask = 0x00000100; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 97 irq = 8; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 98 } else { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 99 mask = 0x00001000; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 100 irq = 12; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 101 } ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 102 } ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 103 } else { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 104 if (pend & 0x00ff0000) { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 105 if (pend & 0x000f0000) { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 106 mask = 0x00010000; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 107 irq = 16; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 108 } else { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 109 mask = 0x00100000; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 110 irq = 20; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 111 } ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 112 } else { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 113 if (pend & 0x0f000000) { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 114 mask = 0x01000000; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 115 irq = 24; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 116 } else { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 117 mask = 0x10000000; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 118 irq = 28; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 119 } ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 120 } ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 121 } ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 122 ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 123 while (! (mask & pend)) { ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 124 mask <<=1; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 125 irq++; ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 126 } ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 127 2502b667ea835e arch/m68knommu/platform/68328/ints.c Greg Ungerer 2007-07-19 128 do_IRQ(irq, fp); 2502b667ea835e arch/m68knommu/platform/68328/ints.c Greg Ungerer 2007-07-19 129 pend &= ~mask; 2502b667ea835e arch/m68knommu/platform/68328/ints.c Greg Ungerer 2007-07-19 130 } 2502b667ea835e arch/m68knommu/platform/68328/ints.c Greg Ungerer 2007-07-19 131 } ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 132 39a17940abc4d0 arch/m68knommu/platform/68328/ints.c Thomas Gleixner 2011-02-06 133 static void intc_irq_unmask(struct irq_data *d) 2502b667ea835e arch/m68knommu/platform/68328/ints.c Greg Ungerer 2007-07-19 134 { 39a17940abc4d0 arch/m68knommu/platform/68328/ints.c Thomas Gleixner 2011-02-06 @135 IMR &= ~(1 << d->irq); ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 136 } 2502b667ea835e arch/m68knommu/platform/68328/ints.c Greg Ungerer 2007-07-19 137 39a17940abc4d0 arch/m68knommu/platform/68328/ints.c Thomas Gleixner 2011-02-06 138 static void intc_irq_mask(struct irq_data *d) 2502b667ea835e arch/m68knommu/platform/68328/ints.c Greg Ungerer 2007-07-19 139 { 39a17940abc4d0 arch/m68knommu/platform/68328/ints.c Thomas Gleixner 2011-02-06 140 IMR |= (1 << d->irq); ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 141 } 2502b667ea835e arch/m68knommu/platform/68328/ints.c Greg Ungerer 2007-07-19 142 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 143 static struct irq_chip intc_irq_chip = { 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 144 .name = "M68K-INTC", 39a17940abc4d0 arch/m68knommu/platform/68328/ints.c Thomas Gleixner 2011-02-06 145 .irq_mask = intc_irq_mask, 39a17940abc4d0 arch/m68knommu/platform/68328/ints.c Thomas Gleixner 2011-02-06 146 .irq_unmask = intc_irq_unmask, 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 147 }; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 148 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 149 /* 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 150 * This function should be called during kernel startup to initialize 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 151 * the machine vector table. 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 152 */ 622e9472dd723d arch/m68k/platform/68328/ints.c Greg Ungerer 2011-06-23 153 void __init trap_init(void) 2502b667ea835e arch/m68knommu/platform/68328/ints.c Greg Ungerer 2007-07-19 154 { 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 155 int i; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 156 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 157 /* set up the vectors */ 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 158 for (i = 72; i < 256; ++i) 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 159 _ramvec[i] = (e_vector) bad_interrupt; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 160 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 161 _ramvec[32] = system_call; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 162 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 163 _ramvec[65] = (e_vector) inthandler1; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 164 _ramvec[66] = (e_vector) inthandler2; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 165 _ramvec[67] = (e_vector) inthandler3; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 166 _ramvec[68] = (e_vector) inthandler4; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 167 _ramvec[69] = (e_vector) inthandler5; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 168 _ramvec[70] = (e_vector) inthandler6; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 169 _ramvec[71] = (e_vector) inthandler7; 622e9472dd723d arch/m68k/platform/68328/ints.c Greg Ungerer 2011-06-23 170 } 622e9472dd723d arch/m68k/platform/68328/ints.c Greg Ungerer 2011-06-23 171 622e9472dd723d arch/m68k/platform/68328/ints.c Greg Ungerer 2011-06-23 172 void __init init_IRQ(void) 622e9472dd723d arch/m68k/platform/68328/ints.c Greg Ungerer 2011-06-23 173 { 622e9472dd723d arch/m68k/platform/68328/ints.c Greg Ungerer 2011-06-23 174 int i; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 175 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 @176 IVR = 0x40; /* Set DragonBall IVR (interrupt base) to 64 */ 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 177 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 178 /* turn off all interrupts */ 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 179 IMR = ~0; 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 180 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 181 for (i = 0; (i < NR_IRQS); i++) { 0b98b1636cf2e1 arch/m68k/platform/68328/ints.c Thomas Gleixner 2011-03-28 182 irq_set_chip(i, &intc_irq_chip); 0b98b1636cf2e1 arch/m68k/platform/68328/ints.c Thomas Gleixner 2011-03-28 183 irq_set_handler(i, handle_level_irq); 1985d2538cccdc arch/m68knommu/platform/68328/ints.c Greg Ungerer 2009-05-01 184 } ^1da177e4c3f41 arch/m68knommu/platform/68328/ints.c Linus Torvalds 2005-04-16 185 } 2502b667ea835e arch/m68knommu/platform/68328/ints.c Greg Ungerer 2007-07-19 186 :::::: The code at line 82 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp