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Date:   Fri, 15 Nov 2019 12:39:06 -0800
From:   Davidlohr Bueso <dave@stgolabs.net>
To:     Peter Zijlstra <peterz@infradead.org>
Cc:     mingo@kernel.org, will@kernel.org, oleg@redhat.com,
        tglx@linutronix.de, linux-kernel@vger.kernel.org,
        bigeasy@linutronix.de, juri.lelli@redhat.com, williams@redhat.com,
        bristot@redhat.com, longman@redhat.com, jack@suse.com
Subject: Re: [PATCH 1/5] locking/percpu-rwsem, lockdep: Make percpu-rwsem use
 its own lockdep_map
Message-ID: <20191115203906.fbo6t7d2n6xk3saw@linux-p48b>
References: <20191113102115.116470462@infradead.org>
 <20191113102855.696893455@infradead.org>
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On Wed, 13 Nov 2019, Peter Zijlstra wrote:
>@@ -37,7 +48,7 @@ static inline void percpu_down_read(stru
> {
> 	might_sleep();
>
>-	rwsem_acquire_read(&sem->rw_sem.dep_map, 0, 0, _RET_IP_);
>+	rwsem_acquire_read(&sem->dep_map, 0, 0, _RET_IP_);

Unrelated to this patch, but we also need a might_sleep() annotation
in percpu_down_write().

Thanks,
Davidlohr