linux-kernel - Re: [PATCH] driver core: Make Kconfig text for DEBUG_TEST_DRIVER

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Message-ID: <CAMuHMdW1xaYvcv4RtevyCsLrLQmcujNSQJ1839++cX1US-UKBw@mail.gmail.com>
Date:   Mon, 31 Oct 2016 11:12:45 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Laura Abbott <labbott@...hat.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>
Subject: Re: [PATCH] driver core: Make Kconfig text for DEBUG_TEST_DRIVER_REMOVE
 stronger

On Fri, Oct 7, 2016 at 6:09 PM, Laura Abbott <labbott@...hat.com> wrote:
> The current state of driver removal is not great.
> CONFIG_DEBUG_TEST_DRIVER_REMOVE finds lots of errors. The help text
> currently undersells exactly how many errors this option will find. Add
> a bit more description to indicate this option shouldn't be turned on
> unless you actually want to debug driver removal. The text can be
> changed later when more drivers are fixed up.

Indeed, this is failing miserably for e.g. SoC clock drivers using
platform_driver_probe(), which are never retried, rendering the complete
system useless.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds