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Subject[tip:core/urgent 2/2] fs/afs/flock.o: warning: objtool: afs_do_unlk()+0x0: duplicate frame pointer save
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/urgent
head: d1091c7fa3d52ebce4dd3f15d04155b3469b2f90
commit: d1091c7fa3d52ebce4dd3f15d04155b3469b2f90 [2/2] objtool: Improve detection of BUG() and other dead ends
config: x86_64-randconfig-in0-02241553 (attached as .config)
compiler: gcc-4.6 (Debian 4.6.4-7) 4.6.4
reproduce:
git checkout d1091c7fa3d52ebce4dd3f15d04155b3469b2f90
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

>> fs/afs/flock.o: warning: objtool: afs_do_unlk()+0x0: duplicate frame pointer save
>> fs/afs/flock.o: warning: objtool: afs_do_unlk()+0x0: frame pointer state mismatch
--
>> fs/btrfs/delayed-inode.o: warning: objtool: btrfs_delete_delayed_dir_index()+0x0: duplicate frame pointer save
>> fs/btrfs/delayed-inode.o: warning: objtool: btrfs_delete_delayed_dir_index()+0x0: frame pointer state mismatch
--
>> fs/dlm/lock.o: warning: objtool: _grant_lock()+0x0: duplicate frame pointer save
>> fs/dlm/lock.o: warning: objtool: _grant_lock()+0x0: frame pointer state mismatch
--
>> fs/ocfs2/alloc.o: warning: objtool: ocfs2_mv_path()+0x0: duplicate frame pointer save
>> fs/ocfs2/alloc.o: warning: objtool: ocfs2_mv_path()+0x0: frame pointer state mismatch

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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