linux-kernel - Re: [PATCH] pinctrl: avoid reload of p state in interation

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Message-ID: <CACRpkdYgyASV6ttW=AeAWSh3oiFDk9_Q1WV00=7yTxtuhpdXEg@mail.gmail.com>
Date:   Tue, 14 Nov 2023 14:21:41 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Maria Yu <quic_aiquny@...cinc.com>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...cinc.com, stable@...r.kernel.org
Subject: Re: [PATCH] pinctrl: avoid reload of p state in interation

Hi Maria,

thanks for your patch!

On Tue, Nov 14, 2023 at 9:54 AM Maria Yu <quic_aiquny@...cinc.com> wrote:

> When in the list_for_each_entry interation, reload of p->state->settings
> with a local setting from old_state will makes the list interation in a
> infite loop.
>
> Signed-off-by: Maria Yu <quic_aiquny@...cinc.com>

This makes sense in a way, since this is a compiler-dependent problem,
can you state in the commit message which compiler and architecture
you see this on?

If it is a regression, should this also be queued for stable? (I guess so?)

Yours,
Linus Walleij