Re: [patch V3] lib: GCD: add binary GCD algorithm

From: kbuild test robot
Date: Fri May 20 2016 - 06:28:27 EST


Hi,

[auto build test ERROR on v4.6-rc5]
[cannot apply to next-20160519]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/zengzhaoxiu-163-com/lib-GCD-add-binary-GCD-algorithm/20160428-195527
config: mips-jz4740 (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205
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
# save the attached .config to linux build tree
make.cross ARCH=mips

Note: the linux-review/zengzhaoxiu-163-com/lib-GCD-add-binary-GCD-algorithm/20160428-195527 HEAD 35e1a24e8fc3a5308b053ed3c744f02ec2a76820 builds fine.
It only hurts bisectibility.

All errors (new ones prefixed by >>):

In file included from arch/mips/include/asm/bitops.h:21:0,
from include/linux/bitops.h:36,
from include/linux/kernel.h:10,
from include/asm-generic/bug.h:13,
from arch/mips/include/asm/bug.h:41,
from include/linux/bug.h:4,
from include/linux/page-flags.h:9,
from kernel/bounds.c:9:
arch/mips/include/asm/cpu-features.h:205:28: warning: "cpu_data" is not defined [-Wundef]
# define cpu_has_mips32r6 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R6)
^
arch/mips/include/asm/cpu-features.h:241:5: note: in expansion of macro 'cpu_has_mips32r6'
cpu_has_mips32r6 | cpu_has_mips64r1 | \
^
arch/mips/include/asm/cpu-features.h:289:25: note: in expansion of macro 'cpu_has_mips_r'
#define cpu_has_clo_clz cpu_has_mips_r
^
arch/mips/include/asm/cpu-features.h:291:6: note: in expansion of macro 'cpu_has_clo_clz'
#if !cpu_has_clo_clz
^
>> arch/mips/include/asm/cpu-features.h:205:36: error: token "[" is not valid in preprocessor expressions
# define cpu_has_mips32r6 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R6)
^
arch/mips/include/asm/cpu-features.h:241:5: note: in expansion of macro 'cpu_has_mips32r6'
cpu_has_mips32r6 | cpu_has_mips64r1 | \
^
arch/mips/include/asm/cpu-features.h:289:25: note: in expansion of macro 'cpu_has_mips_r'
#define cpu_has_clo_clz cpu_has_mips_r
^
arch/mips/include/asm/cpu-features.h:291:6: note: in expansion of macro 'cpu_has_clo_clz'
#if !cpu_has_clo_clz
^
make[2]: *** [kernel/bounds.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [sub-make] Error 2

vim +205 arch/mips/include/asm/cpu-features.h

0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 199 # define cpu_has_mips32r1 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R1)
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 200 #endif
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 201 #ifndef cpu_has_mips32r2
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 202 # define cpu_has_mips32r2 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R2)
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 203 #endif
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 204 #ifndef cpu_has_mips32r6
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 @205 # define cpu_has_mips32r6 (cpu_data[0].isa_level & MIPS_CPU_ISA_M32R6)
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 206 #endif
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 207 #ifndef cpu_has_mips64r1
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 208 # define cpu_has_mips64r1 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R1)
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 209 #endif
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 210 #ifndef cpu_has_mips64r2
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 211 # define cpu_has_mips64r2 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R2)
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 212 #endif
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 213 #ifndef cpu_has_mips64r6
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 214 # define cpu_has_mips64r6 (cpu_data[0].isa_level & MIPS_CPU_ISA_M64R6)
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 215 #endif
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 216
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 217 /*
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 218 * Shortcuts ...
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 219 */
08a07904 arch/mips/include/asm/cpu-features.h Ralf Baechle 2014-04-19 220 #define cpu_has_mips_2_3_4_5 (cpu_has_mips_2 | cpu_has_mips_3_4_5)
08a07904 arch/mips/include/asm/cpu-features.h Ralf Baechle 2014-04-19 221 #define cpu_has_mips_3_4_5 (cpu_has_mips_3 | cpu_has_mips_4_5)
08a07904 arch/mips/include/asm/cpu-features.h Ralf Baechle 2014-04-19 222 #define cpu_has_mips_4_5 (cpu_has_mips_4 | cpu_has_mips_5)
08a07904 arch/mips/include/asm/cpu-features.h Ralf Baechle 2014-04-19 223
08a07904 arch/mips/include/asm/cpu-features.h Ralf Baechle 2014-04-19 224 #define cpu_has_mips_2_3_4_5_r (cpu_has_mips_2 | cpu_has_mips_3_4_5_r)
08a07904 arch/mips/include/asm/cpu-features.h Ralf Baechle 2014-04-19 225 #define cpu_has_mips_3_4_5_r (cpu_has_mips_3 | cpu_has_mips_4_5_r)
08a07904 arch/mips/include/asm/cpu-features.h Ralf Baechle 2014-04-19 226 #define cpu_has_mips_4_5_r (cpu_has_mips_4 | cpu_has_mips_5_r)
08a07904 arch/mips/include/asm/cpu-features.h Ralf Baechle 2014-04-19 227 #define cpu_has_mips_5_r (cpu_has_mips_5 | cpu_has_mips_r)
08a07904 arch/mips/include/asm/cpu-features.h Ralf Baechle 2014-04-19 228
2d83fea7 arch/mips/include/asm/cpu-features.h Maciej W. Rozycki 2015-04-03 229 #define cpu_has_mips_3_4_5_64_r2_r6 \
2d83fea7 arch/mips/include/asm/cpu-features.h Maciej W. Rozycki 2015-04-03 230 (cpu_has_mips_3 | cpu_has_mips_4_5_64_r2_r6)
2d83fea7 arch/mips/include/asm/cpu-features.h Maciej W. Rozycki 2015-04-03 231 #define cpu_has_mips_4_5_64_r2_r6 \
2d83fea7 arch/mips/include/asm/cpu-features.h Maciej W. Rozycki 2015-04-03 232 (cpu_has_mips_4_5 | cpu_has_mips64r1 | \
2d83fea7 arch/mips/include/asm/cpu-features.h Maciej W. Rozycki 2015-04-03 233 cpu_has_mips_r2 | cpu_has_mips_r6)
08a07904 arch/mips/include/asm/cpu-features.h Ralf Baechle 2014-04-19 234
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 235 #define cpu_has_mips32 (cpu_has_mips32r1 | cpu_has_mips32r2 | cpu_has_mips32r6)
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 236 #define cpu_has_mips64 (cpu_has_mips64r1 | cpu_has_mips64r2 | cpu_has_mips64r6)
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 237 #define cpu_has_mips_r1 (cpu_has_mips32r1 | cpu_has_mips64r1)
0401572a include/asm-mips/cpu-features.h Ralf Baechle 2005-12-09 238 #define cpu_has_mips_r2 (cpu_has_mips32r2 | cpu_has_mips64r2)
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 239 #define cpu_has_mips_r6 (cpu_has_mips32r6 | cpu_has_mips64r6)
c46b302b arch/mips/include/asm/cpu-features.h Ralf Baechle 2008-10-28 240 #define cpu_has_mips_r (cpu_has_mips32r1 | cpu_has_mips32r2 | \
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 @241 cpu_has_mips32r6 | cpu_has_mips64r1 | \
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 242 cpu_has_mips64r2 | cpu_has_mips64r6)
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 243
34c56fc1 arch/mips/include/asm/cpu-features.h Leonid Yegoshin 2014-11-13 244 /* MIPSR2 and MIPSR6 have a lot of similarities */

:::::: The code at line 205 was first introduced by commit
:::::: 34c56fc1c167facc375d927687df0a3891d164ac MIPS: asm: cpu: Add MIPSR6 ISA definitions

:::::: TO: Leonid Yegoshin <Leonid.Yegoshin@xxxxxxxxxx>
:::::: CC: Markos Chandras <markos.chandras@xxxxxxxxxx>

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