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

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Message-ID: <18060.14341.341604.666867@cargo.ozlabs.ibm.com>
Date:	Thu, 5 Jul 2007 10:15:01 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	linux-kernel@...r.kernel.org, Pavel Machek <pavel@....cz>,
	linux-pm@...ts.linux-foundation.org
Subject: Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway

Rafael J. Wysocki writes:

> This is incompatible with the code in kernel/power/main.c, since we only
> disable the nonboot CPUs after devices have been suspended.  Do you think that
> your framework can be modified to work without disabling the nonboot CPUs
> by the user space?

Sure.  It was a "if it can be done in userspace, do it in userspace"
kind of decision, but I'm not wedded to it.

I actually do want to converge to using the generic suspend-to-ram
code on powerbooks.  I just want to avoid causing regressions for
powerbook users, including myself. :)

Paul.
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