linux-kernel - Re: [PATCH 02/11] cxl/core: Refactor a cxl_lock_class() out of cxl_nested

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Date:   Wed, 9 Mar 2022 10:34:21 -0800
From:   Dan Williams <dan.j.williams@...el.com>
To:     Jonathan Cameron <Jonathan.Cameron@...wei.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>,
        Rafael J Wysocki <rafael.j.wysocki@...el.com>,
        Alison Schofield <alison.schofield@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Ben Widawsky <ben.widawsky@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-cxl@...r.kernel.org, Linux NVDIMM <nvdimm@...ts.linux.dev>
Subject: Re: [PATCH 02/11] cxl/core: Refactor a cxl_lock_class() out of cxl_nested_lock()

On Wed, Mar 9, 2022 at 10:19 AM Jonathan Cameron
<Jonathan.Cameron@...wei.com> wrote:
>
> On Mon, 28 Feb 2022 18:49:00 -0800
> Dan Williams <dan.j.williams@...el.com> wrote:
>
> > In preparation for upleveling device_lock() lockdep annotation support into
> > the core, provide a helper to retrieve the lock class. This lock_class
> > will be used with device_set_lock_class() to idenify the CXL nested
>
> idenify?

Indeed.

>
> > locking rules.
> >
> > Cc: Alison Schofield <alison.schofield@...el.com>
> > Cc: Vishal Verma <vishal.l.verma@...el.com>
> > Cc: Ira Weiny <ira.weiny@...el.com>
> > Cc: Ben Widawsky <ben.widawsky@...el.com>
> > Signed-off-by: Dan Williams <dan.j.williams@...el.com>
>
> Otherwise looks fine to me.
>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>

Thanks!