From: kernel test robot <lkp@intel.com>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>
Subject: [linux-next:master 11052/11963] arch/powerpc/include/asm/reg_fsl_emb.h:18:9: error: impossible constraint in 'asm'
Date: Tue, 5 Mar 2024 18:27:45 +0800 [thread overview]
Message-ID: <202403051835.iqLGz996-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 11afac187274a6177a7ac82997f8691c0f469e41
commit: f01dbd73ccf122486ad4b52e74f5505985dd6af4 [11052/11963] powerpc/fsl: Modernise mt/mfpmr
config: powerpc-randconfig-r016-20220116 (https://download.01.org/0day-ci/archive/20240305/202403051835.iqLGz996-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240305/202403051835.iqLGz996-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/202403051835.iqLGz996-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
In file included from arch/powerpc/include/asm/reg.h:26,
from arch/powerpc/include/asm/processor.h:11,
from include/linux/sched.h:13,
from arch/powerpc/perf/core-fsl-emb.c:9:
arch/powerpc/include/asm/reg_fsl_emb.h: In function 'mfpmr':
>> arch/powerpc/include/asm/reg_fsl_emb.h:18:9: warning: 'asm' operand 1 probably does not match constraints
18 | asm (".machine push; "
| ^~~
>> arch/powerpc/include/asm/reg_fsl_emb.h:18:9: error: impossible constraint in 'asm'
vim +/asm +18 arch/powerpc/include/asm/reg_fsl_emb.h
11
12 #ifndef __ASSEMBLY__
13 /* Performance Monitor Registers */
14 static inline unsigned int mfpmr(unsigned int rn)
15 {
16 unsigned int rval;
17
> 18 asm (".machine push; "
19 ".machine e300; "
20 "mfpmr %[rval], %[rn];"
21 ".machine pop;"
22 : [rval] "=r" (rval) : [rn] "i" (rn));
23
24 return rval;
25 }
26
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2024-03-05 10:28 UTC|newest]
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