linux-kernel - Re: [linux-pm] [PATCH -mm 2/2] kexec jump -v11: save/restore device state

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Date:	Mon, 16 Jun 2008 09:29:23 +0800
From:	"Huang, Ying" <ying.huang@...el.com>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	Len Brown <lenb@...nel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Pavel Machek <pavel@....cz>, nigel@...el.suspend2.net,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-pm@...ts.linux-foundation.org,
	Kexec Mailing List <kexec@...ts.infradead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [linux-pm] [PATCH -mm 2/2] kexec jump -v11: save/restore
	device state

Hi, Vivek,

On Fri, 2008-06-13 at 14:05 -0400, Vivek Goyal wrote:
[...]
> 
> Can't we implement ACPI S5 state as an option in current hibernation
> framework? Or kexec jump is a requirement for that? 

ACPI S5 has been implemented in current hibernation framework. If you
do:

    echo shutdown > /sys/power/disk

ACPI S5 instead of S4 will be used. That is, corresponding ACPI method
is not executed.

Best Regards,
Huang Ying

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