linux-kernel - Re: [PATCH 0/4] PM: Hibernate: Add hibernation cancellation support

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Message-ID: <aVhJeJ93EbF8BEp+@duo.ucw.cz>
Date: Fri, 2 Jan 2026 23:40:56 +0100
From: Pavel Machek <pavel@....cz>
To: Muhammad Usama Anjum <usama.anjum@...labora.com>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Danilo Krummrich <dakr@...nel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-input@...r.kernel.org, kernel@...labora.com,
	superm1@...nel.org
Subject: Re: [PATCH 0/4] PM: Hibernate: Add hibernation cancellation support

Hi!

> On a normal laptop/PC, the hibernation takes 15-20 seconds which is
> considerable time. Once hibernation is triggered from command line or by
> some GUI option, the hibernation cannot be cancelled until completed.
> Its not a blocker, but poor user experience.

In-kernel hibernation is basic and simple. It is not great, and not
designed to be great.

You can do fancy progress bars, cancellations and probably better
encryption in userspace.

Documentation/power/swsusp.rst

Best regards,
								Pavel
-- 
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