* net/core/netmem_priv.h:25 netmem_is_pp() warn: masked condition '(netmem_get_pp_magic(netmem) & ~((((0) + (((((1 << (8 * 8 - 1 - (((-1)) < 1))) - 1) + (1 << (8 * 8 - 1 - (((-1)) < 1))))) << ((1 + __fls((64 + (6767463209352822784)) - (6767463209352822784))...
@ 2025-12-30 11:33 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2025-12-30 11:33 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Dan Carpenter
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
CC: Yury Norov <yury.norov@gmail.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8640b74557fc8b4c300030f6ccb8cd078f665ec8
commit: 104ea1c84b91c9f452e497ba51602b903711cdd5 bits: unify the non-asm GENMASK*()
date: 5 months ago
:::::: branch date: 15 hours ago
:::::: commit date: 5 months ago
config: powerpc64-randconfig-r072-20251229 (https://download.01.org/0day-ci/archive/20251230/202512301945.cs89yyZX-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 8.5.0
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>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202512301945.cs89yyZX-lkp@intel.com/
New smatch warnings:
net/core/netmem_priv.h:25 netmem_is_pp() warn: masked condition '(netmem_get_pp_magic(netmem) & ~((((0) + (((((1 << (8 * 8 - 1 - (((-1)) < 1))) - 1) + (1 << (8 * 8 - 1 - (((-1)) < 1))))) << ((1 + __fls((64 + (6767463209352822784)) - (6767463209352822784)))) & ((((1 << (8 * 8 - 1 - (((-1)) < 1))) - 1) + (1 << (8 * 8 - 1 - (((-1)) < 1))))) >> ((8 * 8) - 1 - ((((32) < (__ffs((6767463209352822784)) - (1 + __fls((64 + (6767463209352822784)) - (6767463209352822784))))) ?(32):(__ffs((6767463209352822784)) - (1 + __fls((64 + (6767463209352822784)) - (6767463209352822784))))) + ' is always false.
Old smatch warnings:
net/core/skbuff.c:4812 skb_segment() error: we previously assumed 'list_skb' could be null (see line 4747)
vim +25 net/core/netmem_priv.h
8ab79ed50cf10f3 Mina Almasry 2024-09-10 22
cd3c93167da0e76 Toke Høiland-Jørgensen 2025-04-09 23 static inline bool netmem_is_pp(netmem_ref netmem)
cd3c93167da0e76 Toke Høiland-Jørgensen 2025-04-09 24 {
cd3c93167da0e76 Toke Høiland-Jørgensen 2025-04-09 @25 return (netmem_get_pp_magic(netmem) & PP_MAGIC_MASK) == PP_SIGNATURE;
cd3c93167da0e76 Toke Høiland-Jørgensen 2025-04-09 26 }
cd3c93167da0e76 Toke Høiland-Jørgensen 2025-04-09 27
:::::: The code at line 25 was first introduced by commit
:::::: cd3c93167da0e760b5819246eae7a4ea30fd014b page_pool: Move pp_magic check into helper functions
:::::: TO: Toke Høiland-Jørgensen <toke@redhat.com>
:::::: CC: Jakub Kicinski <kuba@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread* net/core/netmem_priv.h:25 netmem_is_pp() warn: masked condition '(netmem_get_pp_magic(netmem) & ~((((0) + (((((1 << (8 * 8 - 1 - (((-1)) < 1))) - 1) + (1 << (8 * 8 - 1 - (((-1)) < 1))))) << ((1 + __fls((64 + (6767463209352822784)) - (6767463209352822784))...
@ 2025-12-29 22:06 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2025-12-29 22:06 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Dan Carpenter
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
CC: Yury Norov <yury.norov@gmail.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7839932417dd53bb09eb5a585a7a92781dfd7cb2
commit: 104ea1c84b91c9f452e497ba51602b903711cdd5 bits: unify the non-asm GENMASK*()
date: 5 months ago
:::::: branch date: 21 hours ago
:::::: commit date: 5 months ago
config: powerpc64-randconfig-r072-20251229 (https://download.01.org/0day-ci/archive/20251230/202512300530.RJpEi1Qt-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 8.5.0
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>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202512300530.RJpEi1Qt-lkp@intel.com/
New smatch warnings:
net/core/netmem_priv.h:25 netmem_is_pp() warn: masked condition '(netmem_get_pp_magic(netmem) & ~((((0) + (((((1 << (8 * 8 - 1 - (((-1)) < 1))) - 1) + (1 << (8 * 8 - 1 - (((-1)) < 1))))) << ((1 + __fls((64 + (6767463209352822784)) - (6767463209352822784)))) & ((((1 << (8 * 8 - 1 - (((-1)) < 1))) - 1) + (1 << (8 * 8 - 1 - (((-1)) < 1))))) >> ((8 * 8) - 1 - ((((32) < (__ffs((6767463209352822784)) - (1 + __fls((64 + (6767463209352822784)) - (6767463209352822784))))) ?(32):(__ffs((6767463209352822784)) - (1 + __fls((64 + (6767463209352822784)) - (6767463209352822784))))) + ' is always false.
Old smatch warnings:
net/core/skbuff.c:4812 skb_segment() error: we previously assumed 'list_skb' could be null (see line 4747)
vim +25 net/core/netmem_priv.h
8ab79ed50cf10f Mina Almasry 2024-09-10 22
cd3c93167da0e7 Toke Høiland-Jørgensen 2025-04-09 23 static inline bool netmem_is_pp(netmem_ref netmem)
cd3c93167da0e7 Toke Høiland-Jørgensen 2025-04-09 24 {
cd3c93167da0e7 Toke Høiland-Jørgensen 2025-04-09 @25 return (netmem_get_pp_magic(netmem) & PP_MAGIC_MASK) == PP_SIGNATURE;
cd3c93167da0e7 Toke Høiland-Jørgensen 2025-04-09 26 }
cd3c93167da0e7 Toke Høiland-Jørgensen 2025-04-09 27
:::::: The code at line 25 was first introduced by commit
:::::: cd3c93167da0e760b5819246eae7a4ea30fd014b page_pool: Move pp_magic check into helper functions
:::::: TO: Toke Høiland-Jørgensen <toke@redhat.com>
:::::: CC: Jakub Kicinski <kuba@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread* net/core/netmem_priv.h:25 netmem_is_pp() warn: masked condition '(netmem_get_pp_magic(netmem) & ~((((0) + (((((1 << (8 * 8 - 1 - (((-1)) < 1))) - 1) + (1 << (8 * 8 - 1 - (((-1)) < 1))))) << ((1 + __fls((64 + (6767463209352822784)) - (6767463209352822784))...
@ 2025-08-19 12:21 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2025-08-19 12:21 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp, Dan Carpenter
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
CC: Yury Norov <yury.norov@gmail.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: be48bcf004f9d0c9207ff21d0edb3b42f253829e
commit: 104ea1c84b91c9f452e497ba51602b903711cdd5 bits: unify the non-asm GENMASK*()
date: 3 weeks ago
:::::: branch date: 20 hours ago
:::::: commit date: 3 weeks ago
config: powerpc64-randconfig-r073-20250819 (https://download.01.org/0day-ci/archive/20250819/202508192052.0M4kvBQm-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 93d24b6b7b148c47a2fa228a4ef31524fa1d9f3f)
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>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202508192052.0M4kvBQm-lkp@intel.com/
New smatch warnings:
net/core/netmem_priv.h:25 netmem_is_pp() warn: masked condition '(netmem_get_pp_magic(netmem) & ~((((0) + (((((1 << (8 * 8 - 1 - (((-1)) < 1))) - 1) + (1 << (8 * 8 - 1 - (((-1)) < 1))))) << ((1 + __fls((64 + (6767463209352822784)) - (6767463209352822784)))) & ((((1 << (8 * 8 - 1 - (((-1)) < 1))) - 1) + (1 << (8 * 8 - 1 - (((-1)) < 1))))) >> ((8 * 8) - 1 - ((((32) < (__ffs((6767463209352822784)) - (1 + __fls((64 + (6767463209352822784)) - (6767463209352822784))))) ?(32):(__ffs((6767463209352822784)) - (1 + __fls((64 + (6767463209352822784)) - (6767463209352822784))))) + ' is always false.
Old smatch warnings:
net/core/skbuff.c:4812 skb_segment() error: we previously assumed 'list_skb' could be null (see line 4747)
vim +25 net/core/netmem_priv.h
8ab79ed50cf10f3 Mina Almasry 2024-09-10 22
cd3c93167da0e76 Toke Høiland-Jørgensen 2025-04-09 23 static inline bool netmem_is_pp(netmem_ref netmem)
cd3c93167da0e76 Toke Høiland-Jørgensen 2025-04-09 24 {
cd3c93167da0e76 Toke Høiland-Jørgensen 2025-04-09 @25 return (netmem_get_pp_magic(netmem) & PP_MAGIC_MASK) == PP_SIGNATURE;
cd3c93167da0e76 Toke Høiland-Jørgensen 2025-04-09 26 }
cd3c93167da0e76 Toke Høiland-Jørgensen 2025-04-09 27
:::::: The code at line 25 was first introduced by commit
:::::: cd3c93167da0e760b5819246eae7a4ea30fd014b page_pool: Move pp_magic check into helper functions
:::::: TO: Toke Høiland-Jørgensen <toke@redhat.com>
:::::: CC: Jakub Kicinski <kuba@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2025-12-30 11:33 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-12-30 11:33 net/core/netmem_priv.h:25 netmem_is_pp() warn: masked condition '(netmem_get_pp_magic(netmem) & ~((((0) + (((((1 << (8 * 8 - 1 - (((-1)) < 1))) - 1) + (1 << (8 * 8 - 1 - (((-1)) < 1))))) << ((1 + __fls((64 + (6767463209352822784)) - (6767463209352822784)) kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2025-12-29 22:06 kernel test robot
2025-08-19 12:21 kernel test robot
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.