From: chen gong <gong.chen@linux.intel.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Li Yang <leoli@freescale.com>, linux-kernel@vger.kernel.org
Subject: Re: nonboot cpu on SMP suspend
Date: Thu, 19 Mar 2009 15:04:29 +0800 [thread overview]
Message-ID: <49C1EE7D.5070507@linux.intel.com> (raw)
In-Reply-To: <200903190000.33572.rjw@sisk.pl>
Rafael J. Wysocki 写道:
> On Wednesday 18 March 2009, Li Yang wrote:
>> Hi all,
>>
>> I'm curious why we need to un-plug all the nonboot cpus before suspend
>> and start them all over again after the suspend(ACPI sleep)? I mean
>> if we can bring the booting cpu back to the exact state as before
>> suspend, why can't we just do the same for non-booting cpus? And that
>> will be much faster. Any thought? Thanks.
>
> Because we need to enter the BIOS with one CPU on-line only.
>
You mean only one CPU can be supported by BIOS when suspend/resume ?
next prev parent reply other threads:[~2009-03-19 7:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-18 6:25 Li Yang
2009-03-18 23:00 ` Rafael J. Wysocki
2009-03-19 7:04 ` chen gong [this message]
2009-03-19 7:18 ` Li Yang
2009-03-19 12:30 ` Rafael J. Wysocki
2009-03-20 18:58 ` Pavel Machek
2009-03-23 7:15 ` Li Yang
2009-03-23 10:38 ` Pavel Machek
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