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Thu, 25 Apr 2019 18:56:43 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 1EF2F20321925; Thu, 25 Apr 2019 20:56:41 +0200 (CEST) Date: Thu, 25 Apr 2019 20:56:41 +0200 From: Peter Zijlstra To: Yuyang Du Cc: will.deacon@arm.com, mingo@kernel.org, bvanassche@acm.org, ming.lei@redhat.com, frederic@kernel.org, tglx@linutronix.de, linux-kernel@vger.kernel.org Subject: Re: [PATCH 00/28] Optimize IRQ usage checks and other small bits Message-ID: <20190425185641.GT12232@hirez.programming.kicks-ass.net> References: <20190424101934.51535-1-duyuyang@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190424101934.51535-1-duyuyang@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 24, 2019 at 06:19:06PM +0800, Yuyang Du wrote: > Yuyang Du (28): > locking/lockdep: Change all print_*() return type to void > locking/lockdep: Add description and explanation in lockdep design doc > locking/lockdep: Adjust lock usage bit character checks > locking/lockdep: Remove useless conditional macro > locking/lockdep: Print the right depth for chain key colission > locking/lockdep: Update obsolete struct field description > locking/lockdep: Use lockdep_init_task for task initiation > consistently > locking/lockdep: Define INITIAL_CHAIN_KEY for chain keys to start with > locking/lockdep: Change the range of class_idx in held_lock struct > locking/lockdep: Remove unused argument in validate_chain() and > check_deadlock() > locking/lockdep: Update comment > locking/lockdep: Change type of the element field in circular_queue > locking/lockdep: Change the return type of __cq_dequeue() > locking/lockdep: Avoid constant checks in __bfs by using offset > reference > locking/lockdep: Update comments on dependency search > locking/lockdep: Add explanation to lock usage rules in lockdep design > doc > locking/lockdep: Remove redundant argument in check_deadlock > locking/lockdep: Remove unused argument in __lock_release Those look really good (but don't readily apply to tip/locking/core) now let me try and look at the real changes.. > locking/lockdep: Optimize irq usage check when marking lock usage bit > locking/lockdep: Refactorize check_noncircular and check_redundant > locking/lockdep: Consolidate lock usage bit initialization > locking/lockdep: Adjust new bit cases in mark_lock > locking/lockdep: Update irqsafe lock bitmaps > locking/lockdep: Remove !dir in lock irq usage check > locking/lockdep: Implement new IRQ usage checking algorithm > locking/lockdep: Remove __bfs > locking/lockdep: Remove locks_before > locking/lockdep: Reduce lock_list_entries by half