* drivers/misc/cxl/guest.c:68:33: sparse: sparse: incorrect type in assignment (different base types)
@ 2023-12-03 10:38 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-12-03 10:38 UTC (permalink / raw)
To: Christophe Lombard
Cc: oe-kbuild-all, linux-kernel, Michael Ellerman, Frederic Barrat,
Manoj Kumar
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 968f35f4ab1c0966ceb39af3c89f2e24afedf878
commit: 14baf4d9c739e6e69150512d2eb23c71fffcc192 cxl: Add guest-specific code
date: 8 years ago
config: powerpc64-randconfig-r113-20231107 (https://download.01.org/0day-ci/archive/20231203/202312031832.x2ghPHYm-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231203/202312031832.x2ghPHYm-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/202312031832.x2ghPHYm-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/misc/cxl/guest.c:68:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] phys_addr @@ got restricted __be64 [usertype] @@
drivers/misc/cxl/guest.c:68:33: sparse: expected unsigned long long [usertype] phys_addr
drivers/misc/cxl/guest.c:68:33: sparse: got restricted __be64 [usertype]
>> drivers/misc/cxl/guest.c:69:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] len @@ got restricted __be64 [usertype] @@
drivers/misc/cxl/guest.c:69:27: sparse: expected unsigned long long [usertype] len
drivers/misc/cxl/guest.c:69:27: sparse: got restricted __be64 [usertype]
drivers/misc/cxl/guest.c:71:35: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] len @@ got restricted __be64 [usertype] @@
drivers/misc/cxl/guest.c:71:35: sparse: expected unsigned long long [usertype] len
drivers/misc/cxl/guest.c:71:35: sparse: got restricted __be64 [usertype]
drivers/misc/cxl/guest.c:363:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned short const volatile [noderef] [usertype] <asn:2> *addr @@ got unsigned short [usertype] * @@
drivers/misc/cxl/guest.c:363:33: sparse: expected unsigned short const volatile [noderef] [usertype] <asn:2> *addr
drivers/misc/cxl/guest.c:363:33: sparse: got unsigned short [usertype] *
drivers/misc/cxl/guest.c:366:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned int const volatile [noderef] [usertype] <asn:2> *addr @@ got unsigned int * @@
drivers/misc/cxl/guest.c:366:33: sparse: expected unsigned int const volatile [noderef] [usertype] <asn:2> *addr
drivers/misc/cxl/guest.c:366:33: sparse: got unsigned int *
drivers/misc/cxl/guest.c:369:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected unsigned long long const volatile [noderef] [usertype] <asn:2> *addr @@ got unsigned long long [usertype] * @@
drivers/misc/cxl/guest.c:369:33: sparse: expected unsigned long long const volatile [noderef] [usertype] <asn:2> *addr
drivers/misc/cxl/guest.c:369:33: sparse: got unsigned long long [usertype] *
>> drivers/misc/cxl/guest.c:439:23: sparse: sparse: invalid assignment: |=
>> drivers/misc/cxl/guest.c:439:23: sparse: left side has type restricted __be64
>> drivers/misc/cxl/guest.c:439:23: sparse: right side has type unsigned long long
drivers/misc/cxl/guest.c:440:23: sparse: sparse: invalid assignment: |=
drivers/misc/cxl/guest.c:440:23: sparse: left side has type restricted __be64
drivers/misc/cxl/guest.c:440:23: sparse: right side has type unsigned long long
drivers/misc/cxl/guest.c:442:31: sparse: sparse: invalid assignment: |=
drivers/misc/cxl/guest.c:442:31: sparse: left side has type restricted __be64
drivers/misc/cxl/guest.c:442:31: sparse: right side has type unsigned long long
drivers/misc/cxl/guest.c:445:23: sparse: sparse: invalid assignment: |=
drivers/misc/cxl/guest.c:445:23: sparse: left side has type restricted __be64
drivers/misc/cxl/guest.c:445:23: sparse: right side has type unsigned long long
drivers/misc/cxl/guest.c:446:23: sparse: sparse: invalid assignment: |=
drivers/misc/cxl/guest.c:446:23: sparse: left side has type restricted __be64
drivers/misc/cxl/guest.c:446:23: sparse: right side has type unsigned long long
drivers/misc/cxl/guest.c:448:31: sparse: sparse: invalid assignment: |=
drivers/misc/cxl/guest.c:448:31: sparse: left side has type restricted __be64
drivers/misc/cxl/guest.c:448:31: sparse: right side has type unsigned long long
drivers/misc/cxl/guest.c:451:31: sparse: sparse: invalid assignment: |=
drivers/misc/cxl/guest.c:451:31: sparse: left side has type restricted __be64
drivers/misc/cxl/guest.c:451:31: sparse: right side has type unsigned long long
>> drivers/misc/cxl/guest.c:454:31: sparse: sparse: cast from restricted __be64
drivers/misc/cxl/guest.c:454:31: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long long [usertype] val @@ got restricted __be64 [usertype] flags @@
drivers/misc/cxl/guest.c:454:31: sparse: expected unsigned long long [usertype] val
drivers/misc/cxl/guest.c:454:31: sparse: got restricted __be64 [usertype] flags
>> drivers/misc/cxl/guest.c:454:31: sparse: sparse: cast from restricted __be64
>> drivers/misc/cxl/guest.c:454:31: sparse: sparse: cast from restricted __be64
>> drivers/misc/cxl/guest.c:454:31: sparse: sparse: cast from restricted __be64
>> drivers/misc/cxl/guest.c:454:31: sparse: sparse: cast from restricted __be64
>> drivers/misc/cxl/guest.c:454:31: sparse: sparse: cast from restricted __be64
>> drivers/misc/cxl/guest.c:454:31: sparse: sparse: cast from restricted __be64
>> drivers/misc/cxl/guest.c:454:31: sparse: sparse: cast from restricted __be64
>> drivers/misc/cxl/guest.c:454:31: sparse: sparse: cast from restricted __be64
drivers/misc/cxl/guest.c: In function 'afu_properties_look_ok':
drivers/misc/cxl/guest.c:708:26: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
708 | if (afu->crs_len < 0) {
| ^
vim +68 drivers/misc/cxl/guest.c
27
28 static ssize_t guest_collect_vpd(struct cxl *adapter, struct cxl_afu *afu,
29 void *buf, size_t len)
30 {
31 unsigned int entries, mod;
32 unsigned long **vpd_buf = NULL;
33 struct sg_list *le;
34 int rc = 0, i, tocopy;
35 u64 out = 0;
36
37 if (buf == NULL)
38 return -EINVAL;
39
40 /* number of entries in the list */
41 entries = len / SG_BUFFER_SIZE;
42 mod = len % SG_BUFFER_SIZE;
43 if (mod)
44 entries++;
45
46 if (entries > SG_MAX_ENTRIES) {
47 entries = SG_MAX_ENTRIES;
48 len = SG_MAX_ENTRIES * SG_BUFFER_SIZE;
49 mod = 0;
50 }
51
52 vpd_buf = kzalloc(entries * sizeof(unsigned long *), GFP_KERNEL);
53 if (!vpd_buf)
54 return -ENOMEM;
55
56 le = (struct sg_list *)get_zeroed_page(GFP_KERNEL);
57 if (!le) {
58 rc = -ENOMEM;
59 goto err1;
60 }
61
62 for (i = 0; i < entries; i++) {
63 vpd_buf[i] = (unsigned long *)get_zeroed_page(GFP_KERNEL);
64 if (!vpd_buf[i]) {
65 rc = -ENOMEM;
66 goto err2;
67 }
> 68 le[i].phys_addr = cpu_to_be64(virt_to_phys(vpd_buf[i]));
> 69 le[i].len = cpu_to_be64(SG_BUFFER_SIZE);
70 if ((i == (entries - 1)) && mod)
71 le[i].len = cpu_to_be64(mod);
72 }
73
74 if (adapter)
75 rc = cxl_h_collect_vpd_adapter(adapter->guest->handle,
76 virt_to_phys(le), entries, &out);
77 else
78 rc = cxl_h_collect_vpd(afu->guest->handle, 0,
79 virt_to_phys(le), entries, &out);
80 pr_devel("length of available (entries: %i), vpd: %#llx\n",
81 entries, out);
82
83 if (!rc) {
84 /*
85 * hcall returns in 'out' the size of available VPDs.
86 * It fills the buffer with as much data as possible.
87 */
88 if (out < len)
89 len = out;
90 rc = len;
91 if (out) {
92 for (i = 0; i < entries; i++) {
93 if (len < SG_BUFFER_SIZE)
94 tocopy = len;
95 else
96 tocopy = SG_BUFFER_SIZE;
97 memcpy(buf, vpd_buf[i], tocopy);
98 buf += tocopy;
99 len -= tocopy;
100 }
101 }
102 }
103 err2:
104 for (i = 0; i < entries; i++) {
105 if (vpd_buf[i])
106 free_page((unsigned long) vpd_buf[i]);
107 }
108 free_page((unsigned long) le);
109 err1:
110 kfree(vpd_buf);
111 return rc;
112 }
113
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2023-12-03 10:39 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-12-03 10:38 drivers/misc/cxl/guest.c:68:33: sparse: sparse: incorrect type in assignment (different base types) kernel test robot
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.