From: Davidlohr Bueso <dave@stgolabs.net>
To: Waiman Long <longman@redhat.com>
Cc: Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 1/2] locking/rwsem: Add DEBUG_RWSEMS to look for lock/unlock mismatches
Date: Thu, 29 Mar 2018 08:01:48 -0700 [thread overview]
Message-ID: <20180329150148.ydmsymzupgi5v7ql@linux-n805> (raw)
In-Reply-To: <1b8d58b1-faf3-f210-7356-9d67930a2efb@redhat.com>
On Thu, 29 Mar 2018, Waiman Long wrote:
>Because it checks the owner field which is present only if
>RWSEM_SPIN_ON_OWNER is defined. Mutex is different in the sense that the
>owner field is always there no matter if MUTEX_SPIN_ON_OWNER is set or not.
Ah right; that's after Peter's mutex rewrite iirc. No objections from me.
Acked-by: Davidlohr Bueso <dave@stgolabs.net>
next prev parent reply other threads:[~2018-03-29 15:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-28 14:20 [PATCH v4 0/2] locking/rwsem: Add DEBUG_RWSEMS Waiman Long
2018-03-28 14:20 ` [PATCH v4 1/2] locking/rwsem: Add DEBUG_RWSEMS to look for lock/unlock mismatches Waiman Long
2018-03-29 1:32 ` Davidlohr Bueso
2018-03-29 14:55 ` Waiman Long
2018-03-29 15:01 ` Davidlohr Bueso [this message]
2018-03-29 15:17 ` Waiman Long
2018-03-28 14:20 ` [PATCH v4 2/2] locking/debug: Restructure the lock debugging menu Waiman Long
2018-03-29 1:35 ` Davidlohr Bueso
2018-03-30 11:17 ` Ingo Molnar
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