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Message-ID: <202206120828.ShiYm445-lkp@intel.com>
Date: Sun, 12 Jun 2022 08:23:58 +0800
From: kernel test robot <lkp@...el.com>
To: Greg Ungerer <gerg@...ux-m68k.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arch/m68k/68000/ints.c:82:30: error: 'ISR' undeclared
Hi Greg,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0678afa6055d14799c1dc1eee47c8025eba56cab
commit: 6b8be804ff376f6657ccdf6b29974e7c793d88c4 m68knommu: fix 68000 CPU link with no platform selected
date: 3 weeks ago
config: m68k-randconfig-r025-20220612 (https://download.01.org/0day-ci/archive/20220612/202206120828.ShiYm445-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 <lkp@...el.com>
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 <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>
--
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https://01.org/lkp
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