linux-kernel - Re: [PATCH v2] PM / core: Allow configuring the DPM watchdog to warn earlier than panic

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Message-ID: <CAJZ5v0hd-OCGuYKxrk8c0NaKHjAEw+7u1RF3xYbyBBLJHXyxiw@mail.gmail.com>
Date: Tue, 14 Jan 2025 21:25:49 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Tomasz Figa <tfiga@...omium.org>, Douglas Anderson <dianders@...omium.org>
Cc: Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org, 
	linux-pm@...r.kernel.org
Subject: Re: [PATCH v2] PM / core: Allow configuring the DPM watchdog to warn
 earlier than panic

On Fri, Jan 10, 2025 at 3:50 AM Tomasz Figa <tfiga@...omium.org> wrote:
>
> On Fri, Jan 10, 2025 at 6:01 AM Douglas Anderson <dianders@...omium.org> wrote:
> >
> > Allow configuring the DPM watchdog to warn about slow suspend/resume
> > functions without causing a system panic(). This allows you to set the
> > DPM_WATCHDOG_WARNING_TIMEOUT to something like 5 or 10 seconds to get
> > warnings about slow suspend/resume functions that eventually succeed.
> >
> > Signed-off-by: Douglas Anderson <dianders@...omium.org>
> > ---
> >
> > Changes in v2:
> > - Print the warning at warn level, not emergency level.
> > - Add help text to DPM_WATCHDOG_WARNING_TIMEOUT.
> >
> >  drivers/base/power/main.c | 24 +++++++++++++++++++-----
> >  kernel/power/Kconfig      | 21 ++++++++++++++++++++-
> >  2 files changed, 39 insertions(+), 6 deletions(-)
> >
>
> Thanks for addressing my comments.
>
> Reviewed-by: Tomasz Figa <tfiga@...omium.org>

Applied as 6.14 material, thanks!