Re: [PATCH 07/10] staging: lustre: Handle nodemask on UMP machines

kbuild test robot
2015-11-04T22:07:18Z

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Hi James,

[auto build test WARNING on: staging/staging-next]
[also build test WARNING on: next-20151104]
[cannot apply to: v4.3]

url: https://github.com/0day-ci/linux/commits/James-Simmons/staging-lustre-wrong-parameter-to-cfs_hash_keycpy/20151105-024407
config: i386-randconfig-b0-11050505 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All warnings (new ones prefixed by >>):

drivers/staging/lustre/lustre/libcfs/libcfs_cpu.c: In function 'cfs_cpt_table_alloc':
>> drivers/staging/lustre/lustre/libcfs/libcfs_cpu.c:61:14: warning: passing argument 2 of 'set_bit' from incompatible pointer type [-Wincompatible-pointer-types]
set_bit(0, &cptab->ctb_nodemask);
^
In file included from include/linux/bitops.h:36:0,
from drivers/staging/lustre/lustre/libcfs/../../include/linux/libcfs/linux/libcfs.h:44,
from drivers/staging/lustre/lustre/libcfs/../../include/linux/libcfs/libcfs.h:40,
from drivers/staging/lustre/lustre/libcfs/libcfs_cpu.c:38:
arch/x86/include/asm/bitops.h:72:1: note: expected 'volatile long unsigned int *' but argument is of type 'nodemask_t * {aka struct <anonymous> *}'
set_bit(long nr, volatile unsigned long *addr)
^

vim +/set_bit +61 drivers/staging/lustre/lustre/libcfs/libcfs_cpu.c

45
46 #define CFS_CPU_VERSION_MAGIC 0xbabecafe
47
48 struct cfs_cpt_table *
49 cfs_cpt_table_alloc(unsigned int ncpt)
50 {
51 struct cfs_cpt_table *cptab;
52
53 if (ncpt != 1) {
54 CERROR("Can't support cpu partition number %d\n", ncpt);
55 return NULL;
56 }
57
58 LIBCFS_ALLOC(cptab, sizeof(*cptab));
59 if (cptab != NULL) {
60 cptab->ctb_version = CFS_CPU_VERSION_MAGIC;
> 61 set_bit(0, &cptab->ctb_nodemask);
62 cptab->ctb_nparts = ncpt;
63 }
64
65 return cptab;
66 }
67 EXPORT_SYMBOL(cfs_cpt_table_alloc);
68
69 void

---
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