Commit d16dbd1b authored May 06, 2019 by Yuyang Du Committed by Ingo Molnar Jun 03, 2019

locking/lockdep: Update obsolete struct field description



The lock_chain struct definition has outdated comment, update it and add
struct member description.

Signed-off-by: Yuyang Du <duyuyang@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bvanassche@acm.org
Cc: frederic@kernel.org
Cc: ming.lei@redhat.com
Cc: will.deacon@arm.com
Link: https://lkml.kernel.org/r/20190506081939.74287-7-duyuyang@gmail.com


Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent 834494b2

include/linux/lockdep.h

+9 −3

Original line number	Diff line number	Diff line
		@@ -203,11 +203,17 @@ struct lock_list {
		struct lock_list *parent;
		};

		/*
		* We record lock dependency chains, so that we can cache them:
		/**
		* struct lock_chain - lock dependency chain record
		*
		* @irq_context: the same as irq_context in held_lock below
		* @depth: the number of held locks in this chain
		* @base: the index in chain_hlocks for this chain
		* @entry: the collided lock chains in lock_chain hash list
		* @chain_key: the hash key of this lock_chain
		*/
		struct lock_chain {
		/* see BUILD_BUG_ON()s in lookup_chain_cache() */
		/* see BUILD_BUG_ON()s in add_chain_cache() */
		unsigned int irq_context : 2,
		depth : 6,
		base : 24;