Subject: Re: [PATCH v2] drivers: soc: ti: knav_qmss_queue: Pass lockdep expression to RCU lists

From: Amol Grover <[email-masked]>
Date: Sat, 18 Jan 2020 09:37:30 +0530

On Fri, Jan 17, 2020 at 11:25:55AM -0800, Olof Johansson wrote:
> On Fri, Jan 17, 2020 at 10:24:04AM -0800, [email-masked] 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 <[email-masked]>
> > > ---
> > > 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
> [email-masked]? 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 [email-masked]
as well.

Thanks
Amol

> Thanks,
> -Olof

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