linux-kernel - Re: [PATCH v2 1/3] locking: Document the semantics of spin_is

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Date:   Thu, 5 Apr 2018 00:47:49 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     David Howells <dhowells@...hat.com>
Cc:     Andrea Parri <andrea.parri@...rulasolutions.com>,
        paulmck@...ux.vnet.ibm.com, Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-kernel@...r.kernel.org,
        Andrea Parri <parri.andrea@...il.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Will Deacon <will.deacon@....com>,
        Boqun Feng <boqun.feng@...il.com>,
        Nicholas Piggin <npiggin@...il.com>,
        Jade Alglave <j.alglave@....ac.uk>,
        Luc Maranget <luc.maranget@...ia.fr>,
        Akira Yokosawa <akiyks@...il.com>
Subject: Re: [PATCH v2 1/3] locking: Document the semantics of
 spin_is_locked()

Can't we just kill off spin_is_locked?  It seems pretty much all uses
should simply be replaced with lockdep annotations, and there aren't
many to start with.