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From: "Rafael J. Wysocki" <rafael@kernel.org>
Date: Tue, 3 Oct 2017 22:41:02 +0200
Message-ID: <CAJZ5v0gSqZAKXHD0DBCv2967LddgNtpC5NTs6UvO8C=q5p2VKw@mail.gmail.com>
Subject: Re: [RFC 5/5] pm: remove kernel thread freezing
To: Jiri Kosina <jikos@kernel.org>
Cc: Pavel Machek <pavel@ucw.cz>,
        "Luis R. Rodriguez" <mcgrof@kernel.org>,
        Al Viro <viro@zeniv.linux.org.uk>, bart.vanassche@wdc.com,
        ming.lei@redhat.com, "Ted Ts'o" <tytso@mit.edu>,
        darrick.wong@oracle.com, "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Len Brown <len.brown@intel.com>, linux-fsdevel@vger.kernel.org,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        Juergen Gross <jgross@suse.com>,
        Todd Brandt <todd.e.brandt@linux.intel.com>, nborisov@suse.com,
        Jan Kara <jack@suse.cz>, martin.petersen@oracle.com,
        Oliver Neukum <ONeukum@suse.com>, oleksandr@natalenko.name,
        oleg.b.antonyan@gmail.com, Linux PM <linux-pm@vger.kernel.org>,
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On Tue, Oct 3, 2017 at 10:38 PM, Jiri Kosina <jikos@kernel.org> wrote:
> On Tue, 3 Oct 2017, Pavel Machek wrote:
>
>> > This point I don't understand. What exactly do you mean?
>>
>> Hibernation:
>>
>> We freeze, do system snapshot, unfreeze, and write image to
>> disk.
>
> Where/why do you unfreeze between creating the snapshot and writing it
> out?

We do not unfreeze then.