tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b29482fde649c72441d5478a4ea2c52c56d97a5e commit: 793b08e2efff3ec020c5c5861d00ed394fcdd488 powerpc/kexec: Move kexec files into a dedicated subdir. date: 7 months ago config: powerpc-randconfig-s032-20200611 (attached as .config) compiler: powerpc-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-250-g42323db3-dirty git checkout 793b08e2efff3ec020c5c5861d00ed394fcdd488 # save the attached .config to linux build tree make W=1 C=1 ARCH=powerpc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> arch/powerpc/kexec/core.c:246:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long static [addressable] [toplevel] [usertype] crashk_base @@ got restricted __be32 [usertype] @@ arch/powerpc/kexec/core.c:246:29: sparse: expected unsigned long long static [addressable] [toplevel] [usertype] crashk_base arch/powerpc/kexec/core.c:246:29: sparse: got restricted __be32 [usertype] >> arch/powerpc/kexec/core.c:248:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long static [addressable] [toplevel] [usertype] crashk_size @@ got restricted __be32 [usertype] @@ arch/powerpc/kexec/core.c:248:29: sparse: expected unsigned long long static [addressable] [toplevel] [usertype] crashk_size arch/powerpc/kexec/core.c:248:29: sparse: got restricted __be32 [usertype] arch/powerpc/kexec/core.c:256:19: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long static [addressable] [toplevel] mem_limit @@ got restricted __be32 [usertype] @@ arch/powerpc/kexec/core.c:256:19: sparse: expected unsigned long long static [addressable] [toplevel] mem_limit arch/powerpc/kexec/core.c:256:19: sparse: got restricted __be32 [usertype] >> arch/powerpc/kexec/core.c:272:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned long long static [addressable] [toplevel] [usertype] kernel_end @@ got restricted __be32 [usertype] @@ arch/powerpc/kexec/core.c:272:20: sparse: expected unsigned long long static [addressable] [toplevel] [usertype] kernel_end arch/powerpc/kexec/core.c:272:20: sparse: got restricted __be32 [usertype] vim +246 arch/powerpc/kexec/core.c ea961a828fe725 arch/powerpc/kernel/machine_kexec.c Anton Blanchard 2014-01-22 235 6f29c3298b1821 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-17 236 static void __init export_crashk_values(struct device_node *node) 6f29c3298b1821 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-17 237 { 6f29c3298b1821 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-17 238 /* There might be existing crash kernel properties, but we can't 6f29c3298b1821 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-17 239 * be sure what's in them, so remove them. */ 925e2d1ded80fc arch/powerpc/kernel/machine_kexec.c Suraj Jitindar Singh 2016-04-28 240 of_remove_property(node, of_find_property(node, 925e2d1ded80fc arch/powerpc/kernel/machine_kexec.c Suraj Jitindar Singh 2016-04-28 241 "linux,crashkernel-base", NULL)); 925e2d1ded80fc arch/powerpc/kernel/machine_kexec.c Suraj Jitindar Singh 2016-04-28 242 of_remove_property(node, of_find_property(node, 925e2d1ded80fc arch/powerpc/kernel/machine_kexec.c Suraj Jitindar Singh 2016-04-28 243 "linux,crashkernel-size", NULL)); 6f29c3298b1821 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-17 244 6f29c3298b1821 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-17 245 if (crashk_res.start != 0) { ea961a828fe725 arch/powerpc/kernel/machine_kexec.c Anton Blanchard 2014-01-22 @246 crashk_base = cpu_to_be_ulong(crashk_res.start), 79d1c712958f94 arch/powerpc/kernel/machine_kexec.c Nathan Fontenot 2012-10-02 247 of_add_property(node, &crashk_base_prop); ea961a828fe725 arch/powerpc/kernel/machine_kexec.c Anton Blanchard 2014-01-22 @248 crashk_size = cpu_to_be_ulong(resource_size(&crashk_res)); 79d1c712958f94 arch/powerpc/kernel/machine_kexec.c Nathan Fontenot 2012-10-02 249 of_add_property(node, &crashk_size_prop); 6f29c3298b1821 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-17 250 } 4bc77a5ed215b4 arch/powerpc/kernel/machine_kexec.c Suzuki Poulose 2012-08-21 251 4bc77a5ed215b4 arch/powerpc/kernel/machine_kexec.c Suzuki Poulose 2012-08-21 252 /* 4bc77a5ed215b4 arch/powerpc/kernel/machine_kexec.c Suzuki Poulose 2012-08-21 253 * memory_limit is required by the kexec-tools to limit the 4bc77a5ed215b4 arch/powerpc/kernel/machine_kexec.c Suzuki Poulose 2012-08-21 254 * crash regions to the actual memory used. 4bc77a5ed215b4 arch/powerpc/kernel/machine_kexec.c Suzuki Poulose 2012-08-21 255 */ ea961a828fe725 arch/powerpc/kernel/machine_kexec.c Anton Blanchard 2014-01-22 256 mem_limit = cpu_to_be_ulong(memory_limit); 79d1c712958f94 arch/powerpc/kernel/machine_kexec.c Nathan Fontenot 2012-10-02 257 of_update_property(node, &memory_limit_prop); 6f29c3298b1821 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-17 258 } 6f29c3298b1821 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-17 259 2e8e4f5b80e101 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-16 260 static int __init kexec_setup(void) 2e8e4f5b80e101 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-16 261 { 2e8e4f5b80e101 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-16 262 struct device_node *node; 2e8e4f5b80e101 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-16 263 2e8e4f5b80e101 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-16 264 node = of_find_node_by_path("/chosen"); 2e8e4f5b80e101 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-16 265 if (!node) 2e8e4f5b80e101 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-16 266 return -ENOENT; 2e8e4f5b80e101 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-16 267 2e8e4f5b80e101 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-16 268 /* remove any stale properties so ours can be found */ 925e2d1ded80fc arch/powerpc/kernel/machine_kexec.c Suraj Jitindar Singh 2016-04-28 269 of_remove_property(node, of_find_property(node, kernel_end_prop.name, NULL)); 2e8e4f5b80e101 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-16 270 2e8e4f5b80e101 arch/powerpc/kernel/machine_kexec.c Dale Farnsworth 2008-12-16 271 /* information needed by userspace when using default_machine_kexec */ ea961a828fe725 arch/powerpc/kernel/machine_kexec.c Anton Blanchard 2014-01-22 @272 kernel_end = cpu_to_be_ulong(__pa(_end)); :::::: The code at line 246 was first introduced by commit :::::: ea961a828fe7250e954f086d74d9323c3d44c3e4 powerpc: Fix endian issues in kexec and crash dump code :::::: TO: Anton Blanchard :::::: CC: Benjamin Herrenschmidt --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org