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Fri, 17 Jan 2020 20:07:38 -0800 (PST) Date: Sat, 18 Jan 2020 09:37:30 +0530 From: Amol Grover To: Olof Johansson Subject: Re: [PATCH v2] drivers: soc: ti: knav_qmss_queue: Pass lockdep expression to RCU lists Message-ID: <20200118040730.GA6783@workstation-portable> References: <20200117133048.31708-1-frextrite@gmail.com> <5d77df7f-8693-0232-dbfe-0acfc37e040f@oracle.com> <20200117192555.baoxu4xd7krxgfjz@localhost> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200117192555.baoxu4xd7krxgfjz@localhost> User-Agent: Mutt/1.12.2 (2019-09-21) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200117_200741_962205_C753AEA2 X-CRM114-Status: GOOD ( 17.55 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Paul E . McKenney" , santosh.shilimkar@oracle.com, linux-kernel@vger.kernel.org, arm-soc , Madhuparna Bhowmik , Santosh Shilimkar , Joel Fernandes , linux-kernel-mentees@lists.linuxfoundation.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Jan 17, 2020 at 11:25:55AM -0800, Olof Johansson wrote: > On Fri, Jan 17, 2020 at 10:24:04AM -0800, santosh.shilimkar@oracle.com wrote: > > On 1/17/20 5:30 AM, Amol Grover wrote: > > > inst->handles is traversed using list_for_each_entry_rcu > > > outside an RCU read-side critical section but under the protection > > > of knav_dev_lock. > > > > > > Hence, add corresponding lockdep expression to silence false-positive > > > lockdep warnings, and harden RCU lists. > > > > > > Add macro for the corresponding lockdep expression. > > > > > > Signed-off-by: Amol Grover > > > --- > > > v2: > > > - Remove rcu_read_lock_held() from lockdep expression since it is > > > implicitly checked for. > > > > > Looks fine to me. > > > > Hi Olof, Arnd, > > Can you please pick this one and apply to your driver-soc branch ? > > I already sent out pull request and hence the request. > > Hi, > > Can you please email the whole patch with sign-off to > soc@kernel.org? Otherwise it won't end up in patchwork, which is how we track > patches and pull requests these days. > Thank you Santosh and Olof. I'm resending the patch to soc@kernel.org as well. Thanks Amol > > Thanks, > > -Olof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel