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Date: Sun, 24 Apr 2022 20:08:19 +0800
From: kernel test robot <lkp@...el.com>
To: Michael Ellerman <mpe@...erman.id.au>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arch/powerpc/platforms/powernv/opal-fadump.c:683:60: sparse: sparse:
incorrect type in argument 2 (different base types)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 22da5264abf497a10a4ed629f07f4ba28a7ed5eb
commit: d936f8182e1bd18f5e9e6c5e8d8b69261200ca96 powerpc/powernv: Fix type of opal_mpipl_query_tag() addr argument
date: 1 year ago
config: powerpc64-randconfig-s032-20220424 (https://download.01.org/0day-ci/archive/20220424/202204241902.m4kglRy4-lkp@intel.com/config)
compiler: powerpc64le-linux-gcc (GCC) 11.2.0
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: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d936f8182e1bd18f5e9e6c5e8d8b69261200ca96
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d936f8182e1bd18f5e9e6c5e8d8b69261200ca96
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/platforms/powernv/
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:104:41: 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:104:41: sparse: expected unsigned long long [usertype] boot_mem_dest_addr
arch/powerpc/platforms/powernv/opal-fadump.c:104:41: sparse: got restricted __be64 const [usertype] dest
arch/powerpc/platforms/powernv/opal-fadump.c:130:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long base @@ got restricted __be64 const [usertype] src @@
arch/powerpc/platforms/powernv/opal-fadump.c:130:22: sparse: expected unsigned long base
arch/powerpc/platforms/powernv/opal-fadump.c:130:22: sparse: got restricted __be64 const [usertype] src
arch/powerpc/platforms/powernv/opal-fadump.c:131:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long size @@ got restricted __be64 const [usertype] size @@
arch/powerpc/platforms/powernv/opal-fadump.c:131:22: sparse: expected unsigned long size
arch/powerpc/platforms/powernv/opal-fadump.c:131:22: sparse: got restricted __be64 const [usertype] size
arch/powerpc/platforms/powernv/opal-fadump.c:146:46: 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:146:46: sparse: expected unsigned long reserve_dump_area_start
arch/powerpc/platforms/powernv/opal-fadump.c:146:46: sparse: got restricted __be64 const [usertype] dest
arch/powerpc/platforms/powernv/opal-fadump.c:196:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be64 [usertype] src @@ got unsigned long long @@
arch/powerpc/platforms/powernv/opal-fadump.c:196:41: sparse: expected restricted __be64 [usertype] src
arch/powerpc/platforms/powernv/opal-fadump.c:196:41: sparse: got unsigned long long
arch/powerpc/platforms/powernv/opal-fadump.c:197:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be64 [usertype] dest @@ got unsigned long long [usertype] addr @@
arch/powerpc/platforms/powernv/opal-fadump.c:197:41: sparse: expected restricted __be64 [usertype] dest
arch/powerpc/platforms/powernv/opal-fadump.c:197:41: sparse: got unsigned long long [usertype] addr
arch/powerpc/platforms/powernv/opal-fadump.c:198:41: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be64 [usertype] size @@ got unsigned long long @@
arch/powerpc/platforms/powernv/opal-fadump.c:198:41: sparse: expected restricted __be64 [usertype] size
arch/powerpc/platforms/powernv/opal-fadump.c:198:41: sparse: got unsigned long long
arch/powerpc/platforms/powernv/opal-fadump.c:208:53: sparse: sparse: restricted __be64 degrades to integer
arch/powerpc/platforms/powernv/opal-fadump.c:276:56: 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:276:56: sparse: expected unsigned long long [usertype] src
arch/powerpc/platforms/powernv/opal-fadump.c:276:56: sparse: got restricted __be64 [usertype] src
arch/powerpc/platforms/powernv/opal-fadump.c:277:56: 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:277:56: sparse: expected unsigned long long [usertype] dest
arch/powerpc/platforms/powernv/opal-fadump.c:277:56: sparse: got restricted __be64 [usertype] dest
arch/powerpc/platforms/powernv/opal-fadump.c:278:56: 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:278:56: sparse: expected unsigned long long [usertype] size
arch/powerpc/platforms/powernv/opal-fadump.c:278:56: sparse: got restricted __be64 [usertype] size
arch/powerpc/platforms/powernv/opal-fadump.c:573:38: 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:573:38: sparse: expected unsigned long long [usertype] dumped_bytes
arch/powerpc/platforms/powernv/opal-fadump.c:573:38: sparse: got restricted __be64 const [usertype] size
>> arch/powerpc/platforms/powernv/opal-fadump.c:683:60: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected restricted __be64 [usertype] *addr @@ got unsigned long long * @@
arch/powerpc/platforms/powernv/opal-fadump.c:683:60: sparse: expected restricted __be64 [usertype] *addr
arch/powerpc/platforms/powernv/opal-fadump.c:683:60: sparse: got unsigned long long *
arch/powerpc/platforms/powernv/opal-fadump.c:689:16: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:689:16: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:689:16: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:689:16: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:689:16: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:689:16: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:689:16: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:689:16: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:689:16: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:689:16: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:705:57: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected restricted __be64 [usertype] *addr @@ got unsigned long long * @@
arch/powerpc/platforms/powernv/opal-fadump.c:705:57: sparse: expected restricted __be64 [usertype] *addr
arch/powerpc/platforms/powernv/opal-fadump.c:705:57: sparse: got unsigned long long *
arch/powerpc/platforms/powernv/opal-fadump.c:707:24: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:707:24: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:707:24: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:707:24: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:707:24: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:707:24: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:707:24: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:707:24: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:707:24: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c:707:24: sparse: sparse: cast to restricted __be64
arch/powerpc/platforms/powernv/opal-fadump.c: note: in included file:
arch/powerpc/platforms/powernv/opal-fadump.h:138:33: sparse: sparse: restricted __be64 degrades to integer
vim +683 arch/powerpc/platforms/powernv/opal-fadump.c
41df5928721ff4 Hari Bathini 2019-09-11 622
41df5928721ff4 Hari Bathini 2019-09-11 623 void __init opal_fadump_dt_scan(struct fw_dump *fadump_conf, u64 node)
41df5928721ff4 Hari Bathini 2019-09-11 624 {
2a1b06dd3a17ac Hari Bathini 2019-09-11 625 const __be32 *prop;
41df5928721ff4 Hari Bathini 2019-09-11 626 unsigned long dn;
2a1b06dd3a17ac Hari Bathini 2019-09-11 627 u64 addr = 0;
7b1b3b48250acb Hari Bathini 2019-09-11 628 int i, len;
2a1b06dd3a17ac Hari Bathini 2019-09-11 629 s64 ret;
2a1b06dd3a17ac Hari Bathini 2019-09-11 630
41df5928721ff4 Hari Bathini 2019-09-11 631 /*
41df5928721ff4 Hari Bathini 2019-09-11 632 * Check if Firmware-Assisted Dump is supported. if yes, check
41df5928721ff4 Hari Bathini 2019-09-11 633 * if dump has been initiated on last reboot.
41df5928721ff4 Hari Bathini 2019-09-11 634 */
41df5928721ff4 Hari Bathini 2019-09-11 635 dn = of_get_flat_dt_subnode_by_name(node, "dump");
41df5928721ff4 Hari Bathini 2019-09-11 636 if (dn == -FDT_ERR_NOTFOUND) {
41df5928721ff4 Hari Bathini 2019-09-11 637 pr_debug("FADump support is missing!\n");
41df5928721ff4 Hari Bathini 2019-09-11 638 return;
41df5928721ff4 Hari Bathini 2019-09-11 639 }
41df5928721ff4 Hari Bathini 2019-09-11 640
41df5928721ff4 Hari Bathini 2019-09-11 641 if (!of_flat_dt_is_compatible(dn, "ibm,opal-dump")) {
41df5928721ff4 Hari Bathini 2019-09-11 642 pr_err("Support missing for this f/w version!\n");
41df5928721ff4 Hari Bathini 2019-09-11 643 return;
41df5928721ff4 Hari Bathini 2019-09-11 644 }
41df5928721ff4 Hari Bathini 2019-09-11 645
7b1b3b48250acb Hari Bathini 2019-09-11 646 prop = of_get_flat_dt_prop(dn, "fw-load-area", &len);
7b1b3b48250acb Hari Bathini 2019-09-11 647 if (prop) {
7b1b3b48250acb Hari Bathini 2019-09-11 648 /*
7b1b3b48250acb Hari Bathini 2019-09-11 649 * Each f/w load area is an (address,size) pair,
7b1b3b48250acb Hari Bathini 2019-09-11 650 * 2 cells each, totalling 4 cells per range.
7b1b3b48250acb Hari Bathini 2019-09-11 651 */
7b1b3b48250acb Hari Bathini 2019-09-11 652 for (i = 0; i < len / (sizeof(*prop) * 4); i++) {
7b1b3b48250acb Hari Bathini 2019-09-11 653 u64 base, end;
7b1b3b48250acb Hari Bathini 2019-09-11 654
7b1b3b48250acb Hari Bathini 2019-09-11 655 base = of_read_number(prop + (i * 4) + 0, 2);
7b1b3b48250acb Hari Bathini 2019-09-11 656 end = base;
7b1b3b48250acb Hari Bathini 2019-09-11 657 end += of_read_number(prop + (i * 4) + 2, 2);
7b1b3b48250acb Hari Bathini 2019-09-11 658 if (end > OPAL_FADUMP_MIN_BOOT_MEM) {
7b1b3b48250acb Hari Bathini 2019-09-11 659 pr_err("F/W load area: 0x%llx-0x%llx\n",
7b1b3b48250acb Hari Bathini 2019-09-11 660 base, end);
7b1b3b48250acb Hari Bathini 2019-09-11 661 pr_err("F/W version not supported!\n");
7b1b3b48250acb Hari Bathini 2019-09-11 662 return;
7b1b3b48250acb Hari Bathini 2019-09-11 663 }
7b1b3b48250acb Hari Bathini 2019-09-11 664 }
7b1b3b48250acb Hari Bathini 2019-09-11 665 }
7b1b3b48250acb Hari Bathini 2019-09-11 666
41df5928721ff4 Hari Bathini 2019-09-11 667 fadump_conf->ops = &opal_fadump_ops;
41df5928721ff4 Hari Bathini 2019-09-11 668 fadump_conf->fadump_supported = 1;
2a1b06dd3a17ac Hari Bathini 2019-09-11 669
7dee93a9a8808b Hari Bathini 2019-09-11 670 /*
7dee93a9a8808b Hari Bathini 2019-09-11 671 * Firmware supports 32-bit field for size. Align it to PAGE_SIZE
7dee93a9a8808b Hari Bathini 2019-09-11 672 * and request firmware to copy multiple kernel boot memory regions.
7dee93a9a8808b Hari Bathini 2019-09-11 673 */
e96d904ede6756 Christophe Leroy 2020-04-20 674 fadump_conf->max_copy_size = ALIGN_DOWN(U32_MAX, PAGE_SIZE);
7dee93a9a8808b Hari Bathini 2019-09-11 675
2a1b06dd3a17ac Hari Bathini 2019-09-11 676 /*
2a1b06dd3a17ac Hari Bathini 2019-09-11 677 * Check if dump has been initiated on last reboot.
2a1b06dd3a17ac Hari Bathini 2019-09-11 678 */
2a1b06dd3a17ac Hari Bathini 2019-09-11 679 prop = of_get_flat_dt_prop(dn, "mpipl-boot", NULL);
2a1b06dd3a17ac Hari Bathini 2019-09-11 680 if (!prop)
2a1b06dd3a17ac Hari Bathini 2019-09-11 681 return;
2a1b06dd3a17ac Hari Bathini 2019-09-11 682
2a1b06dd3a17ac Hari Bathini 2019-09-11 @683 ret = opal_mpipl_query_tag(OPAL_MPIPL_TAG_KERNEL, &addr);
:::::: The code at line 683 was first introduced by commit
:::::: 2a1b06dd3a17ac278494da3c15cac84684346d22 powerpc/fadump: process the crashdump by exporting it as /proc/vmcore
:::::: TO: Hari Bathini <hbathini@...ux.ibm.com>
:::::: CC: Michael Ellerman <mpe@...erman.id.au>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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