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Merge tag 'locking-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull locking updates from Ingo Molnar:
 "This was a fairly quiet cycle for the locking subsystem:

   - lockdep: Fix a handful of the more complex lockdep_init_map_*()
     primitives that can lose the lock_type & cause false reports. No
     such mishap was observed in the wild.

   - jump_label improvements: simplify the cross-arch support of initial
     NOP patching by making it arch-specific code (used on MIPS only),
     and remove the s390 initial NOP patching that was superfluous"

* tag 'locking-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/lockdep: Fix lockdep_init_map_*() confusion
  jump_label: make initial NOP patching the special case
  jump_label: mips: move module NOP patching into arch code
  jump_label: s390: avoid pointless initial NOP patching
This commit is contained in:
Linus Torvalds
2022-08-01 12:15:27 -07:00
parent b167fdffe9 eae6d58d67
commit 22a39c3d86
19 changed files with 59 additions and 163 deletions
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7
kernel/locking/lockdep.c
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@@ -5238,9 +5238,10 @@ __lock_set_class(struct lockdep_map *lock, const char *name,
return 0;
}
lockdep_init_map_waits(lock, name, key, 0,
lock->wait_type_inner,
lock->wait_type_outer);
lockdep_init_map_type(lock, name, key, 0,
lock->wait_type_inner,
lock->wait_type_outer,
lock->lock_type);
class = register_lock_class(lock, subclass, 0);
hlock->class_idx = class - lock_classes;