linux-kernel - Re: [PATCH v6 1/1] gpio: add sloppy logic analyzer using polling

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Message-ID: <YcL7p5nzZs8vnojl@shikoro>
Date:   Wed, 22 Dec 2021 11:19:19 +0100
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 1/1] gpio: add sloppy logic analyzer using polling

> Anyone with a clue? Thanks!

Yes, the search engines helped[1]. I run a minimal system, so when I
mount cpusets, it will actually mount cgroups with a default mount
option of "noprefix". But you likely run a rootfs with cgroups already,
so it gets mounted directly without "noprefix". Then, when the logic
analyzer tries to mount again, the implied default "noprefix" is
discarded.

[1] https://cgroups.vger.kernel.narkive.com/20fAhMNN/noprefix-mount-option

So, I will update the script to mount "cgroups" instead of "cpuset" and
use the newer filenames instead. This seems to be the proper way.

Thanks for testing, Geert!

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