tree: https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git
libnvdimm-fixes
head: 5ca46d3ef704a0d0ddd79a7dfa164a6a5b6ccef2
commit: 5ba388db58497496fbeb952c9454e8e6e59584ac [2/3] dm: Call proper helper
to determine dax support
config: m68k-hp300_defconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
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
git checkout 5ba388db58497496fbeb952c9454e8e6e59584ac
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
ARCH=m68k
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
All errors (new ones prefixed by >>):
In file included from arch/m68k/include/asm/page.h:60,
from arch/m68k/include/asm/thread_info.h:6,
from include/linux/thread_info.h:38,
from include/asm-generic/preempt.h:5,
from ./arch/m68k/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:78,
from include/linux/spinlock.h:51,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:6,
from include/linux/mm.h:10,
from include/linux/pagemap.h:8,
from drivers/dax/super.c:5:
include/linux/pfn_t.h: In function 'pfn_t_valid':
arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of
pointer with null pointer [-Wextra]
169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void
*)PAGE_OFFSET && (void *)(kaddr) < high_memory)
| ^~
arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro
'virt_addr_valid'
170 | #define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn))
| ^~~~~~~~~~~~~~~
include/linux/pfn_t.h:76:9: note: in expansion of macro 'pfn_valid'
76 | return pfn_valid(pfn_t_to_pfn(pfn));
| ^~~~~~~~~
drivers/dax/super.c: At top level:
>> drivers/dax/super.c:31:5: error: redefinition of 'dax_read_lock'
31 | int dax_read_lock(void)
| ^~~~~~~~~~~~~
In file included from drivers/dax/super.c:16:
include/linux/dax.h:205:19: note: previous definition of 'dax_read_lock' was
here
205 | static inline int dax_read_lock(void)
| ^~~~~~~~~~~~~
>> drivers/dax/super.c:37:6: error: redefinition of 'dax_read_unlock'
37 | void dax_read_unlock(int id)
| ^~~~~~~~~~~~~~~
In file included from drivers/dax/super.c:16:
include/linux/dax.h:210:20: note: previous definition of 'dax_read_unlock'
was here
210 | static inline void dax_read_unlock(int id)
| ^~~~~~~~~~~~~~~
drivers/dax/super.c:69:6: warning: no previous prototype for
'__generic_fsdax_supported' [-Wmissing-prototypes]
69 | bool __generic_fsdax_supported(struct dax_device *dax_dev,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/dax/super.c:167:6: warning: no previous prototype for
'__bdev_dax_supported' [-Wmissing-prototypes]
167 | bool __bdev_dax_supported(struct block_device *bdev, int blocksize)
| ^~~~~~~~~~~~~~~~~~~~
>> drivers/dax/super.c:325:6: error: redefinition of 'dax_supported'
325 | bool dax_supported(struct dax_device *dax_dev, struct block_device
*bdev,
| ^~~~~~~~~~~~~
In file included from drivers/dax/super.c:16:
include/linux/dax.h:162:20: note: previous definition of 'dax_supported' was
here
162 | static inline bool dax_supported(struct dax_device *dax_dev,
| ^~~~~~~~~~~~~
drivers/dax/super.c:451:6: warning: no previous prototype for 'run_dax'
[-Wmissing-prototypes]
451 | void run_dax(struct dax_device *dax_dev)
| ^~~~~~~
#
https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git/commit/?id=5ba388db58497496fbeb952c9454e8e6e59584ac
git remote add linux-nvdimm
https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git
git fetch --no-tags linux-nvdimm libnvdimm-fixes
git checkout 5ba388db58497496fbeb952c9454e8e6e59584ac
vim +/dax_read_lock +31 drivers/dax/super.c
72058005411ffd Dan Williams 2017-04-19 30
7b6be8444e0f0d Dan Williams 2017-04-11 @31 int dax_read_lock(void)
7b6be8444e0f0d Dan Williams 2017-04-11 32 {
7b6be8444e0f0d Dan Williams 2017-04-11 33 return
srcu_read_lock(&dax_srcu);
7b6be8444e0f0d Dan Williams 2017-04-11 34 }
7b6be8444e0f0d Dan Williams 2017-04-11 35 EXPORT_SYMBOL_GPL(dax_read_lock);
7b6be8444e0f0d Dan Williams 2017-04-11 36
7b6be8444e0f0d Dan Williams 2017-04-11 @37 void dax_read_unlock(int id)
7b6be8444e0f0d Dan Williams 2017-04-11 38 {
7b6be8444e0f0d Dan Williams 2017-04-11 39 srcu_read_unlock(&dax_srcu, id);
7b6be8444e0f0d Dan Williams 2017-04-11 40 }
7b6be8444e0f0d Dan Williams 2017-04-11 41 EXPORT_SYMBOL_GPL(dax_read_unlock);
7b6be8444e0f0d Dan Williams 2017-04-11 42
:::::: The code at line 31 was first introduced by commit
:::::: 7b6be8444e0f0dd675b54d059793423d3c9b4c03 dax: refactor dax-fs into a
generic provider of 'struct dax_device' instances
:::::: TO: Dan Williams <dan.j.willi...@intel.com>
:::::: CC: Dan Williams <dan.j.willi...@intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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