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

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Message-ID: <18060.16250.191996.324672@cargo.ozlabs.ibm.com>
Date:	Thu, 5 Jul 2007 10:46:50 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	Pavel Machek <pavel@....cz>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM
	pathway

Pavel Machek writes:

> How well does it work on SMP PPC?

Just fine, on those machines where we know how to reinitialize the
video card.  We currently require userspace to offline all except the
boot cpu before suspending, but that could be moved into the kernel.
I have no particular attachment to that way of doing it; it was just a
"don't do things in the kernel that can be reasonably be done in
userspace" kind of thing.

Paul.
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