linux-kernel - Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway

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Message-ID: <18059.32169.906914.258802@cargo.ozlabs.ibm.com>
Date:	Wed, 4 Jul 2007 20:59:53 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	Matthew Garrett <mjg59@...f.ucam.org>
Subject: Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway

Oliver Neukum writes:

> They can't. Device specific protocols are known to the drivers only.
> The fact remains, remove the freezer and you need to go through
> all drivers.

The freezer does not actually mean that you don't have to get the
drivers right, because kernel threads can issue I/O requests.

Paul.
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