linux-kernel - Re: [PATCH v9 3/9] PCI: Create PCI library functions in support of DOE mailboxes.

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Message-ID: <20220601135909.mvnam4vvfmofpsdb@offworld>
Date:   Wed, 1 Jun 2022 06:59:09 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     Ira Weiny <ira.weiny@...el.com>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Alison Schofield <alison.schofield@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Ben Widawsky <ben@...dawsk.net>, linux-kernel@...r.kernel.org,
        linux-cxl@...r.kernel.org, linux-pci@...r.kernel.org,
        a.manzanares@...sung.com
Subject: Re: [PATCH v9 3/9] PCI: Create PCI library functions in support of
 DOE mailboxes.

On Tue, 31 May 2022, Ira Weiny wrote:
>Thinking about it I don't see a benefit to a rwlock.  We don't have multiple
>readers.

... but you have concurrent workqueues reading the value of cur_task.

Thanks,
Davidlohr