linux-kernel - Re: [PATCH 1/3] infiniband: hw: hfi1: verbs.c: Use built-in RCU list checking

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Date:   Thu, 9 Jan 2020 14:10:38 -0400
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     madhuparnabhowmik04@...il.com
Cc:     dennis.dalessandro@...el.com, mike.marciniszyn@...el.com,
        dledford@...hat.com, paulmck@...nel.org, rcu@...r.kernel.org,
        joel@...lfernandes.org, frextrite@...il.com,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] infiniband: hw: hfi1: verbs.c: Use built-in RCU list
 checking

On Wed, Jan 08, 2020 at 01:38:50PM +0530, madhuparnabhowmik04@...il.com wrote:

> Alternatively, it can be lockdep_is_held(ibp->rvp.lock).
> Please refer to the macro(link below) and let me know if the usage of lock_is_held()
> in the patch is correct.

lock_is_held is the normal way to write this

Jason