* arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
@ 2024-02-16 18:24 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2024-02-16 18:24 UTC (permalink / raw)
To: David Howells; +Cc: oe-kbuild-all, linux-kernel
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0f1dd5e91e2ba3990143645faff2bcce2d99778e
commit: 453924de6212ac159f946b75c6b59918e2e30944 afs: Overhaul invalidation handling to better support RO volumes
date: 7 weeks ago
config: powerpc64-randconfig-r111-20240216 (https://download.01.org/0day-ci/archive/20240217/202402170208.0xYZculA-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240217/202402170208.0xYZculA-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/202402170208.0xYZculA-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
fs/afs/callback.c: note: in included file (through arch/powerpc/include/asm/pgtable-be-types.h, arch/powerpc/include/asm/page.h, arch/powerpc/include/asm/mmu.h, ...):
>> arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
arch/powerpc/include/asm/cmpxchg.h:243:48: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
fs/afs/callback.c:146:22: sparse: sparse: context imbalance in 'afs_lookup_volume_rcu' - different lock contexts for basic block
--
fs/afs/rotate.c: note: in included file (through arch/powerpc/include/asm/pgtable-be-types.h, arch/powerpc/include/asm/page.h, arch/powerpc/include/asm/mmu.h, ...):
>> arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
arch/powerpc/include/asm/cmpxchg.h:243:48: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
fs/afs/rotate.c:655:42: sparse: sparse: self-comparison always evaluates to true
vim +241 arch/powerpc/include/asm/cmpxchg.h
ae3a197e3d0bfe David Howells 2012-03-28 235
ae3a197e3d0bfe David Howells 2012-03-28 236 static __always_inline unsigned long
26760fc19a7e66 Boqun Feng 2015-12-15 237 __xchg_relaxed(void *ptr, unsigned long x, unsigned int size)
ae3a197e3d0bfe David Howells 2012-03-28 238 {
ae3a197e3d0bfe David Howells 2012-03-28 239 switch (size) {
d0563a1297e234 Pan Xinhui 2016-04-27 240 case 1:
d0563a1297e234 Pan Xinhui 2016-04-27 @241 return __xchg_u8_relaxed(ptr, x);
d0563a1297e234 Pan Xinhui 2016-04-27 242 case 2:
d0563a1297e234 Pan Xinhui 2016-04-27 243 return __xchg_u16_relaxed(ptr, x);
ae3a197e3d0bfe David Howells 2012-03-28 244 case 4:
26760fc19a7e66 Boqun Feng 2015-12-15 245 return __xchg_u32_relaxed(ptr, x);
ae3a197e3d0bfe David Howells 2012-03-28 246 #ifdef CONFIG_PPC64
ae3a197e3d0bfe David Howells 2012-03-28 247 case 8:
26760fc19a7e66 Boqun Feng 2015-12-15 248 return __xchg_u64_relaxed(ptr, x);
ae3a197e3d0bfe David Howells 2012-03-28 249 #endif
ae3a197e3d0bfe David Howells 2012-03-28 250 }
068550631fbe0b Andrzej Hajda 2023-01-18 251 BUILD_BUG_ON_MSG(1, "Unsupported size for __xchg_relaxed");
ae3a197e3d0bfe David Howells 2012-03-28 252 return x;
ae3a197e3d0bfe David Howells 2012-03-28 253 }
9eaa82935dccb7 Mark Rutland 2021-05-25 254 #define arch_xchg_local(ptr,x) \
ae3a197e3d0bfe David Howells 2012-03-28 255 ({ \
ae3a197e3d0bfe David Howells 2012-03-28 256 __typeof__(*(ptr)) _x_ = (x); \
26760fc19a7e66 Boqun Feng 2015-12-15 257 (__typeof__(*(ptr))) __xchg_local((ptr), \
26760fc19a7e66 Boqun Feng 2015-12-15 258 (unsigned long)_x_, sizeof(*(ptr))); \
ae3a197e3d0bfe David Howells 2012-03-28 259 })
ae3a197e3d0bfe David Howells 2012-03-28 260
:::::: The code at line 241 was first introduced by commit
:::::: d0563a1297e234ed37f6b51c2e9321accebd1839 powerpc: Implement {cmp}xchg for u8 and u16
:::::: TO: Pan Xinhui <xinhui.pan@linux.vnet.ibm.com>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread
* arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
@ 2024-09-14 4:51 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2024-09-14 4:51 UTC (permalink / raw)
To: David Howells; +Cc: oe-kbuild-all, linux-kernel
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b7718454f937f50f44f98c1222f5135eaef29132
commit: 453924de6212ac159f946b75c6b59918e2e30944 afs: Overhaul invalidation handling to better support RO volumes
date: 9 months ago
config: powerpc64-randconfig-r111-20240913 (https://download.01.org/0day-ci/archive/20240914/202409141258.oHu7Og9E-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project bf684034844c660b778f0eba103582f582b710c9)
reproduce: (https://download.01.org/0day-ci/archive/20240914/202409141258.oHu7Og9E-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/202409141258.oHu7Og9E-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
fs/afs/callback.c: note: in included file (through arch/powerpc/include/asm/pgtable-be-types.h, arch/powerpc/include/asm/page.h, arch/powerpc/include/asm/mmu.h, ...):
>> arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
arch/powerpc/include/asm/cmpxchg.h:243:48: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
fs/afs/callback.c:146:22: sparse: sparse: context imbalance in 'afs_lookup_volume_rcu' - different lock contexts for basic block
--
fs/afs/rotate.c: note: in included file (through arch/powerpc/include/asm/pgtable-be-types.h, arch/powerpc/include/asm/page.h, arch/powerpc/include/asm/mmu.h, ...):
>> arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
arch/powerpc/include/asm/cmpxchg.h:243:48: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
vim +241 arch/powerpc/include/asm/cmpxchg.h
ae3a197e3d0bfe David Howells 2012-03-28 235
ae3a197e3d0bfe David Howells 2012-03-28 236 static __always_inline unsigned long
26760fc19a7e66 Boqun Feng 2015-12-15 237 __xchg_relaxed(void *ptr, unsigned long x, unsigned int size)
ae3a197e3d0bfe David Howells 2012-03-28 238 {
ae3a197e3d0bfe David Howells 2012-03-28 239 switch (size) {
d0563a1297e234 Pan Xinhui 2016-04-27 240 case 1:
d0563a1297e234 Pan Xinhui 2016-04-27 @241 return __xchg_u8_relaxed(ptr, x);
d0563a1297e234 Pan Xinhui 2016-04-27 242 case 2:
d0563a1297e234 Pan Xinhui 2016-04-27 243 return __xchg_u16_relaxed(ptr, x);
ae3a197e3d0bfe David Howells 2012-03-28 244 case 4:
26760fc19a7e66 Boqun Feng 2015-12-15 245 return __xchg_u32_relaxed(ptr, x);
ae3a197e3d0bfe David Howells 2012-03-28 246 #ifdef CONFIG_PPC64
ae3a197e3d0bfe David Howells 2012-03-28 247 case 8:
26760fc19a7e66 Boqun Feng 2015-12-15 248 return __xchg_u64_relaxed(ptr, x);
ae3a197e3d0bfe David Howells 2012-03-28 249 #endif
ae3a197e3d0bfe David Howells 2012-03-28 250 }
068550631fbe0b Andrzej Hajda 2023-01-18 251 BUILD_BUG_ON_MSG(1, "Unsupported size for __xchg_relaxed");
ae3a197e3d0bfe David Howells 2012-03-28 252 return x;
ae3a197e3d0bfe David Howells 2012-03-28 253 }
9eaa82935dccb7 Mark Rutland 2021-05-25 254 #define arch_xchg_local(ptr,x) \
ae3a197e3d0bfe David Howells 2012-03-28 255 ({ \
ae3a197e3d0bfe David Howells 2012-03-28 256 __typeof__(*(ptr)) _x_ = (x); \
26760fc19a7e66 Boqun Feng 2015-12-15 257 (__typeof__(*(ptr))) __xchg_local((ptr), \
26760fc19a7e66 Boqun Feng 2015-12-15 258 (unsigned long)_x_, sizeof(*(ptr))); \
ae3a197e3d0bfe David Howells 2012-03-28 259 })
ae3a197e3d0bfe David Howells 2012-03-28 260
:::::: The code at line 241 was first introduced by commit
:::::: d0563a1297e234ed37f6b51c2e9321accebd1839 powerpc: Implement {cmp}xchg for u8 and u16
:::::: TO: Pan Xinhui <xinhui.pan@linux.vnet.ibm.com>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread
* arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
@ 2024-10-29 4:42 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2024-10-29 4:42 UTC (permalink / raw)
To: David Howells; +Cc: oe-kbuild-all, linux-kernel
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e42b1a9a2557aa94fee47f078633677198386a52
commit: 453924de6212ac159f946b75c6b59918e2e30944 afs: Overhaul invalidation handling to better support RO volumes
date: 10 months ago
config: powerpc64-randconfig-r111-20241029 (https://download.01.org/0day-ci/archive/20241029/202410291254.6OenFxNK-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 14.1.0
reproduce: (https://download.01.org/0day-ci/archive/20241029/202410291254.6OenFxNK-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/202410291254.6OenFxNK-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
fs/afs/callback.c: note: in included file (through arch/powerpc/include/asm/atomic.h, arch/powerpc/include/asm/paca.h, arch/powerpc/include/asm/current.h, ...):
>> arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
arch/powerpc/include/asm/cmpxchg.h:243:48: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
fs/afs/callback.c:146:22: sparse: sparse: context imbalance in 'afs_lookup_volume_rcu' - different lock contexts for basic block
--
fs/afs/rotate.c: note: in included file (through arch/powerpc/include/asm/atomic.h, arch/powerpc/include/asm/paca.h, arch/powerpc/include/asm/current.h, ...):
>> arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
arch/powerpc/include/asm/cmpxchg.h:243:48: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
vim +241 arch/powerpc/include/asm/cmpxchg.h
ae3a197e3d0bfe David Howells 2012-03-28 235
ae3a197e3d0bfe David Howells 2012-03-28 236 static __always_inline unsigned long
26760fc19a7e66 Boqun Feng 2015-12-15 237 __xchg_relaxed(void *ptr, unsigned long x, unsigned int size)
ae3a197e3d0bfe David Howells 2012-03-28 238 {
ae3a197e3d0bfe David Howells 2012-03-28 239 switch (size) {
d0563a1297e234 Pan Xinhui 2016-04-27 240 case 1:
d0563a1297e234 Pan Xinhui 2016-04-27 @241 return __xchg_u8_relaxed(ptr, x);
d0563a1297e234 Pan Xinhui 2016-04-27 242 case 2:
d0563a1297e234 Pan Xinhui 2016-04-27 243 return __xchg_u16_relaxed(ptr, x);
ae3a197e3d0bfe David Howells 2012-03-28 244 case 4:
26760fc19a7e66 Boqun Feng 2015-12-15 245 return __xchg_u32_relaxed(ptr, x);
ae3a197e3d0bfe David Howells 2012-03-28 246 #ifdef CONFIG_PPC64
ae3a197e3d0bfe David Howells 2012-03-28 247 case 8:
26760fc19a7e66 Boqun Feng 2015-12-15 248 return __xchg_u64_relaxed(ptr, x);
ae3a197e3d0bfe David Howells 2012-03-28 249 #endif
ae3a197e3d0bfe David Howells 2012-03-28 250 }
068550631fbe0b Andrzej Hajda 2023-01-18 251 BUILD_BUG_ON_MSG(1, "Unsupported size for __xchg_relaxed");
ae3a197e3d0bfe David Howells 2012-03-28 252 return x;
ae3a197e3d0bfe David Howells 2012-03-28 253 }
9eaa82935dccb7 Mark Rutland 2021-05-25 254 #define arch_xchg_local(ptr,x) \
ae3a197e3d0bfe David Howells 2012-03-28 255 ({ \
ae3a197e3d0bfe David Howells 2012-03-28 256 __typeof__(*(ptr)) _x_ = (x); \
26760fc19a7e66 Boqun Feng 2015-12-15 257 (__typeof__(*(ptr))) __xchg_local((ptr), \
26760fc19a7e66 Boqun Feng 2015-12-15 258 (unsigned long)_x_, sizeof(*(ptr))); \
ae3a197e3d0bfe David Howells 2012-03-28 259 })
ae3a197e3d0bfe David Howells 2012-03-28 260
:::::: The code at line 241 was first introduced by commit
:::::: d0563a1297e234ed37f6b51c2e9321accebd1839 powerpc: Implement {cmp}xchg for u8 and u16
:::::: TO: Pan Xinhui <xinhui.pan@linux.vnet.ibm.com>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread
* arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
@ 2024-11-29 5:57 kernel test robot
0 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2024-11-29 5:57 UTC (permalink / raw)
To: David Howells; +Cc: oe-kbuild-all, linux-kernel
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7af08b57bcb9ebf78675c50069c54125c0a8b795
commit: 453924de6212ac159f946b75c6b59918e2e30944 afs: Overhaul invalidation handling to better support RO volumes
date: 11 months ago
config: powerpc64-randconfig-r112-20241118 (https://download.01.org/0day-ci/archive/20241129/202411291301.fqIf68PA-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20241129/202411291301.fqIf68PA-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/202411291301.fqIf68PA-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
fs/afs/callback.c: note: in included file (through arch/powerpc/include/asm/atomic.h, arch/powerpc/include/asm/paca.h, arch/powerpc/include/asm/current.h, ...):
>> arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
arch/powerpc/include/asm/cmpxchg.h:243:48: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
fs/afs/callback.c:146:22: sparse: sparse: context imbalance in 'afs_lookup_volume_rcu' - different lock contexts for basic block
--
fs/afs/rotate.c: note: in included file (through arch/powerpc/include/asm/atomic.h, arch/powerpc/include/asm/paca.h, arch/powerpc/include/asm/current.h, ...):
>> arch/powerpc/include/asm/cmpxchg.h:241:47: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
arch/powerpc/include/asm/cmpxchg.h:243:48: sparse: sparse: cast truncates bits from constant value (8000000000000000 becomes 0)
vim +241 arch/powerpc/include/asm/cmpxchg.h
ae3a197e3d0bfe3 David Howells 2012-03-28 235
ae3a197e3d0bfe3 David Howells 2012-03-28 236 static __always_inline unsigned long
26760fc19a7e663 Boqun Feng 2015-12-15 237 __xchg_relaxed(void *ptr, unsigned long x, unsigned int size)
ae3a197e3d0bfe3 David Howells 2012-03-28 238 {
ae3a197e3d0bfe3 David Howells 2012-03-28 239 switch (size) {
d0563a1297e234e Pan Xinhui 2016-04-27 240 case 1:
d0563a1297e234e Pan Xinhui 2016-04-27 @241 return __xchg_u8_relaxed(ptr, x);
d0563a1297e234e Pan Xinhui 2016-04-27 242 case 2:
d0563a1297e234e Pan Xinhui 2016-04-27 243 return __xchg_u16_relaxed(ptr, x);
ae3a197e3d0bfe3 David Howells 2012-03-28 244 case 4:
26760fc19a7e663 Boqun Feng 2015-12-15 245 return __xchg_u32_relaxed(ptr, x);
ae3a197e3d0bfe3 David Howells 2012-03-28 246 #ifdef CONFIG_PPC64
ae3a197e3d0bfe3 David Howells 2012-03-28 247 case 8:
26760fc19a7e663 Boqun Feng 2015-12-15 248 return __xchg_u64_relaxed(ptr, x);
ae3a197e3d0bfe3 David Howells 2012-03-28 249 #endif
ae3a197e3d0bfe3 David Howells 2012-03-28 250 }
068550631fbe0b7 Andrzej Hajda 2023-01-18 251 BUILD_BUG_ON_MSG(1, "Unsupported size for __xchg_relaxed");
ae3a197e3d0bfe3 David Howells 2012-03-28 252 return x;
ae3a197e3d0bfe3 David Howells 2012-03-28 253 }
9eaa82935dccb74 Mark Rutland 2021-05-25 254 #define arch_xchg_local(ptr,x) \
ae3a197e3d0bfe3 David Howells 2012-03-28 255 ({ \
ae3a197e3d0bfe3 David Howells 2012-03-28 256 __typeof__(*(ptr)) _x_ = (x); \
26760fc19a7e663 Boqun Feng 2015-12-15 257 (__typeof__(*(ptr))) __xchg_local((ptr), \
26760fc19a7e663 Boqun Feng 2015-12-15 258 (unsigned long)_x_, sizeof(*(ptr))); \
ae3a197e3d0bfe3 David Howells 2012-03-28 259 })
ae3a197e3d0bfe3 David Howells 2012-03-28 260
:::::: The code at line 241 was first introduced by commit
:::::: d0563a1297e234ed37f6b51c2e9321accebd1839 powerpc: Implement {cmp}xchg for u8 and u16
:::::: TO: Pan Xinhui <xinhui.pan@linux.vnet.ibm.com>
:::::: CC: Michael Ellerman <mpe@ellerman.id.au>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2024-11-29 5:57 UTC | newest]
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