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Date: Sun, 9 Aug 2020 01:37:57 +0800
From: kernel test robot <lkp@...el.com>
To: Hari Bathini <hbathini@...ux.ibm.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Michael Ellerman <mpe@...erman.id.au>
Subject: arch/powerpc/platforms/powernv/opal-fadump.c:70:46: sparse: sparse:
incorrect type in assignment (different base types)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 449dc8c97089a6e09fb2dac4d92b1b7ac0eb7c1e
commit: 2a1b06dd3a17ac278494da3c15cac84684346d22 powerpc/fadump: process the crashdump by exporting it as /proc/vmcore
date: 11 months ago
config: powerpc64-randconfig-s032-20200808 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.2-118-ge1578773-dirty
git checkout 2a1b06dd3a17ac278494da3c15cac84684346d22
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
arch/powerpc/platforms/powernv/opal-fadump.c:37:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] boot_mem_dest_addr @@ got restricted __be64 const [usertype] dest @@
arch/powerpc/platforms/powernv/opal-fadump.c:37:41: sparse: expected unsigned long long [usertype] boot_mem_dest_addr
arch/powerpc/platforms/powernv/opal-fadump.c:37:41: sparse: got restricted __be64 const [usertype] dest
arch/powerpc/platforms/powernv/opal-fadump.c:63:47: sparse: sparse: invalid assignment: +=
arch/powerpc/platforms/powernv/opal-fadump.c:63:47: sparse: left side has type unsigned long
arch/powerpc/platforms/powernv/opal-fadump.c:63:47: sparse: right side has type restricted __be64
>> arch/powerpc/platforms/powernv/opal-fadump.c:70:46: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long reserve_dump_area_start @@ got restricted __be64 const [usertype] dest @@
>> arch/powerpc/platforms/powernv/opal-fadump.c:70:46: sparse: expected unsigned long reserve_dump_area_start
arch/powerpc/platforms/powernv/opal-fadump.c:70:46: sparse: got restricted __be64 const [usertype] dest
arch/powerpc/platforms/powernv/opal-fadump.c:105:58: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be64 [usertype] src @@ got unsigned long long [assigned] [usertype] src_addr @@
arch/powerpc/platforms/powernv/opal-fadump.c:105:58: sparse: expected restricted __be64 [usertype] src
arch/powerpc/platforms/powernv/opal-fadump.c:105:58: sparse: got unsigned long long [assigned] [usertype] src_addr
arch/powerpc/platforms/powernv/opal-fadump.c:106:58: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be64 [usertype] dest @@ got unsigned long long [assigned] [usertype] dest_addr @@
arch/powerpc/platforms/powernv/opal-fadump.c:106:58: sparse: expected restricted __be64 [usertype] dest
arch/powerpc/platforms/powernv/opal-fadump.c:106:58: sparse: got unsigned long long [assigned] [usertype] dest_addr
arch/powerpc/platforms/powernv/opal-fadump.c:107:58: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be64 [usertype] size @@ got int [assigned] cur_size @@
arch/powerpc/platforms/powernv/opal-fadump.c:107:58: sparse: expected restricted __be64 [usertype] size
arch/powerpc/platforms/powernv/opal-fadump.c:107:58: sparse: got int [assigned] cur_size
arch/powerpc/platforms/powernv/opal-fadump.c:119:53: sparse: sparse: restricted __be64 degrades to integer
arch/powerpc/platforms/powernv/opal-fadump.c:171:56: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned long long [usertype] src @@ got restricted __be64 [usertype] src @@
arch/powerpc/platforms/powernv/opal-fadump.c:171:56: sparse: expected unsigned long long [usertype] src
arch/powerpc/platforms/powernv/opal-fadump.c:171:56: sparse: got restricted __be64 [usertype] src
arch/powerpc/platforms/powernv/opal-fadump.c:172:56: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned long long [usertype] dest @@ got restricted __be64 [usertype] dest @@
arch/powerpc/platforms/powernv/opal-fadump.c:172:56: sparse: expected unsigned long long [usertype] dest
arch/powerpc/platforms/powernv/opal-fadump.c:172:56: sparse: got restricted __be64 [usertype] dest
arch/powerpc/platforms/powernv/opal-fadump.c:173:56: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected unsigned long long [usertype] size @@ got restricted __be64 [usertype] size @@
arch/powerpc/platforms/powernv/opal-fadump.c:173:56: sparse: expected unsigned long long [usertype] size
arch/powerpc/platforms/powernv/opal-fadump.c:173:56: sparse: got restricted __be64 [usertype] size
>> arch/powerpc/platforms/powernv/opal-fadump.c:323:38: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long [usertype] dumped_bytes @@ got restricted __be64 const [usertype] size @@
>> arch/powerpc/platforms/powernv/opal-fadump.c:323:38: sparse: expected unsigned long long [usertype] dumped_bytes
>> arch/powerpc/platforms/powernv/opal-fadump.c:323:38: sparse: got restricted __be64 const [usertype] size
arch/powerpc/platforms/powernv/opal-fadump.c:403:16: sparse: sparse: cast to restricted __be64
vim +70 arch/powerpc/platforms/powernv/opal-fadump.c
43
44 /*
45 * This function is called in the capture kernel to get configuration details
46 * from metadata setup by the first kernel.
47 */
48 static void opal_fadump_get_config(struct fw_dump *fadump_conf,
49 const struct opal_fadump_mem_struct *fdm)
50 {
51 int i;
52
53 if (!fadump_conf->dump_active)
54 return;
55
56 fadump_conf->boot_memory_size = 0;
57
58 pr_debug("Boot memory regions:\n");
59 for (i = 0; i < fdm->region_cnt; i++) {
60 pr_debug("\t%d. base: 0x%llx, size: 0x%llx\n",
61 (i + 1), fdm->rgn[i].src, fdm->rgn[i].size);
62
63 fadump_conf->boot_memory_size += fdm->rgn[i].size;
64 }
65
66 /*
67 * Start address of reserve dump area (permanent reservation) for
68 * re-registering FADump after dump capture.
69 */
> 70 fadump_conf->reserve_dump_area_start = fdm->rgn[0].dest;
71
72 opal_fadump_update_config(fadump_conf, fdm);
73 }
74
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
Download attachment ".config.gz" of type "application/gzip" (30345 bytes)
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