linux-kernel - Re: Problem when function alarmtimer_suspend returns 0 if time delta is zero

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Message-ID: <CAOf5uwnnJKTd2sQvN2Ooi+zVy+yvPY78BLkYJvAvkjSGft9iwg@mail.gmail.com>
Date:   Sat, 11 Feb 2023 07:25:13 +0100
From:   Michael Nazzareno Trimarchi <michael@...rulasolutions.com>
To:     John Stultz <jstultz@...gle.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>, Michael <michael@...isi.de>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-rtc@...r.kernel.org, Stephen Boyd <sboyd@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: Problem when function alarmtimer_suspend returns 0 if time delta
 is zero

Hi John

On Sat, Feb 11, 2023 at 2:18 AM John Stultz <jstultz@...gle.com> wrote:
>
> On Fri, Feb 10, 2023 at 5:04 PM John Stultz <jstultz@...gle.com> wrote:
> > Thomas' patch fixes the erronious 0-as-invalid initialization issue
> > using KTIME_MAX but also simplifies the logic getting rid of the
> > freezer handling.
> >
> > I don't have as much familiarity with the freezer handling change, so
> > while it looks sane, I can't say I would likely catch an issue doing a
> > visual review.
>
> Actually, because of this, I'm going to split Thomas' change in two.
>
> The first to just use KTIME_MAX as the invalid initialization value,
> and the second to cleanup the freezer logic.
>
> That way if the freezer change is problematic we can revert it and not
> lose the fix here.
>
> thanks
> -john

I'm not that Michael but it's ok I think to add both as a reporter. I can try to
test on my side too and then send a tested-by

Michael

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Michael Nazzareno Trimarchi
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M. +39 347 913 2170
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