linux-kernel - Re: [PATCH v2 03/12] cxl/core: Refactor a cxl_lock_class() out of cxl_nested

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Message-ID: <CAPcyv4g-88D=ysgY5aXS9-jDM+KzPqpUoKi8VxBQeK4WKtcRHw@mail.gmail.com>
Date:   Wed, 13 Apr 2022 15:05:58 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     linux-cxl@...r.kernel.org,
        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>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Kevin Tian <kevin.tian@...el.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux NVDIMM <nvdimm@...ts.linux.dev>
Subject: Re: [PATCH v2 03/12] cxl/core: Refactor a cxl_lock_class() out of cxl_nested_lock()

On Wed, Apr 13, 2022 at 2:40 AM Peter Zijlstra <peterz@...radead.org> wrote:
>
>
> *Completely* untested (I wouldn't know where to begin and probably odn't
> have the hardware anyway), and known incomplete.
>
> What's wrong with something like this then?
>

I'll give it a shot, I think it solves all the cringeworthy aspects of
what I proposed.