From: kernel test robot <lkp@intel.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [willy-pagecache:folio-flags 15/19] arch/alpha/include/asm/bitops.h:315:33: error: 'nr' undeclared
Date: Fri, 21 Jul 2023 10:34:18 +0800 [thread overview]
Message-ID: <202307211029.TtjwANfr-lkp@intel.com> (raw)
tree: git://git.infradead.org/users/willy/pagecache folio-flags
head: 35ffa765605bc8156660ed51b97fa97f21d88aba
commit: bcf25031ae39ec676a85a99bf0cacdefde781901 [15/19] bitops: Add change_and_unlock_is_negative_byte()
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230721/202307211029.TtjwANfr-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230721/202307211029.TtjwANfr-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307211029.TtjwANfr-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/bitops.h:68,
from include/linux/log2.h:12,
from kernel/bounds.c:13:
arch/alpha/include/asm/bitops.h: In function 'change_and_unlock_is_negative_byte':
>> arch/alpha/include/asm/bitops.h:315:33: error: 'nr' undeclared (first use in this function)
315 | int *m = ((int *) p) + (nr >> 5);
| ^~
arch/alpha/include/asm/bitops.h:315:33: note: each undeclared identifier is reported only once for each function it appears in
make[3]: *** [scripts/Makefile.build:116: kernel/bounds.s] Error 1
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1275: prepare0] Error 2
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:234: __sub-make] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:234: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/nr +315 arch/alpha/include/asm/bitops.h
309
310 static inline bool change_and_unlock_is_negative_byte(int change_bit,
311 int lock_bit, volatile unsigned long *p)
312 {
313 unsigned long temp, old;
314 unsigned long mask = (1 << change_bit) | (1 << lock_bit);
> 315 int *m = ((int *) p) + (nr >> 5);
316
317 __asm__ __volatile__(
318 "1: ldl_l %0,%4\n"
319 " xor %0,%3,%0\n"
320 " xor %0,%3,%2\n"
321 " stl_c %0,%1\n"
322 " beq %0,2f\n"
323 ".subsection 2\n"
324 "2: br 1b\n"
325 ".previous"
326 :"=&r" (temp), "=m" (*m), "=&r" (old)
327 :"Ir" (mask), "m" (*m));
328
329 return (old & BIT(7)) != 0;
330 }
331
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2023-07-21 2:36 UTC|newest]
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