linux-kernel - [tip:locking/core] locking/lockdep: Remove ::version from lock

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Message-ID: <tip-2421b7f3573babfe1673a5ffee1677a5013e6df1@git.kernel.org>
Date:   Tue, 11 Dec 2018 07:22:04 -0800
From:   tip-bot for Waiman Long <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     aryabinin@...tuozzo.com, akpm@...ux-foundation.org,
        will.deacon@....com, longman@...hat.com, peterz@...radead.org,
        mingo@...nel.org, sasha.levin@...cle.com, tj@...nel.org,
        sergey.senozhatsky@...il.com, hpa@...or.com, tglx@...utronix.de,
        pmladek@...e.com, torvalds@...ux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: [tip:locking/core] locking/lockdep: Remove ::version from
 lock_class structure

Commit-ID:  2421b7f3573babfe1673a5ffee1677a5013e6df1
Gitweb:     https://git.kernel.org/tip/2421b7f3573babfe1673a5ffee1677a5013e6df1
Author:     Waiman Long <longman@...hat.com>
AuthorDate: Mon, 19 Nov 2018 13:55:10 -0500
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 11 Dec 2018 14:54:46 +0100

locking/lockdep: Remove ::version from lock_class structure

It turns out the version field in the lock_class structure isn't used
anywhere. Just remove it.

Signed-off-by: Waiman Long <longman@...hat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Andrey Ryabinin <aryabinin@...tuozzo.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Petr Mladek <pmladek@...e.com>
Cc: Sasha Levin <sasha.levin@...cle.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc: Tejun Heo <tj@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Will Deacon <will.deacon@....com>
Cc: iommu@...ts.linux-foundation.org
Cc: kasan-dev@...glegroups.com
Link: https://lkml.kernel.org/r/1542653726-5655-2-git-send-email-longman@redhat.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 include/linux/lockdep.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 1fd82ff99c65..c5335df2372f 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -97,8 +97,6 @@ struct lock_class {
 	 * Generation counter, when doing certain classes of graph walking,
 	 * to ensure that we check one node only once:
 	 */
-	unsigned int			version;
-
 	int				name_version;
 	const char			*name;