linux-kernel - Re: [PATCH v1 1/1] ACPI: utils: Document for_each_acpi_dev

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Message-ID: <CAHp75Vc3e4FcqKMn3YGGK+sNXLi5UqUL75_GcF-27hyn+iZp9Q@mail.gmail.com>
Date:   Mon, 12 Apr 2021 20:50:28 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:ACPI COMPONENT ARCHITECTURE (ACPICA)" <devel@...ica.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Robert Moore <robert.moore@...el.com>,
        Erik Kaneda <erik.kaneda@...el.com>,
        Daniel Scally <djrscally@...il.com>
Subject: Re: [PATCH v1 1/1] ACPI: utils: Document for_each_acpi_dev_match() macro

On Mon, Apr 12, 2021 at 8:27 PM Rafael J. Wysocki <rafael@...nel.org> wrote:
>
> On Sat, Apr 10, 2021 at 3:29 PM Andy Shevchenko
> <andy.shevchenko@...il.com> wrote:
> >
> > The macro requires to call acpi_dev_put() on each iteration.
> > Due to this it doesn't tolerate sudden disappearence of the devices.

And should be "disappearance" :-)

> >
> > Document all these nuances to prevent users blindly call it without
> > understanding the possible issues.
> >
> > While at it, add the note to the acpi_dev_get_next_match_dev() and
> > advertise acpi_dev_put() instead of put_device() in the whole family
> > of the helper functions.

Thanks for reviewing this, I'll address all in v2.

-- 
With Best Regards,
Andy Shevchenko