Le 11/06/2020 à 18:01, kernel test robot a écrit :
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 <l...@intel.com>
That's the second time the robot reports sparse errors on that commit,
but the only thing I did is move code, that commit didn't add any code,
so I don't know what I should do about it.
Christophe
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 <an...@samba.org>
:::::: CC: Benjamin Herrenschmidt <b...@kernel.crashing.org>
---
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