Re: [PATCH] locking/lockdep: Zap lock classes even with lock debugging disabled

[Bart Van Assche]

On Wed, 2019-04-03 at 13:44 +-0100, Will Deacon wrote:
+AD4 +AD4 --- a/kernel/locking/lockdep.c
+AD4 +AD4 +-+-+- b/kernel/locking/lockdep.c
+AD4 +AD4 +AEAAQA -4689,8 +-4689,7 +AEAAQA static void free+AF8-zapped+AF8-rcu(struct rcu+AF8-head +ACo-ch)
+AD4 +AD4  		return+ADs
+AD4 +AD4  
+AD4 +AD4  	raw+AF8-local+AF8-irq+AF8-save(flags)+ADs
+AD4 +AD4 -	if (+ACE-graph+AF8-lock())
+AD4 +AD4 -		goto out+AF8-irq+ADs
+AD4 +AD4 +-	arch+AF8-spin+AF8-lock(+ACY-lockdep+AF8-lock)+ADs
+AD4 
+AD4 This also throws out the recursion counting. Is that ok?

Apparently not, as the build bot just figured out. I will restore recursion
counting. See also
https://lore.kernel.org/lkml/5ca4ea66.eVtXtf5CmqRjP7xF+ACU-25lkp+AEA-intel.com/.

Bart.