From: Fabio Comolli <fabio.comolli@gmail.com>
To: Arjan van de Ven <arjan@linux.intel.com>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>,
Zhang Rui <rui.zhang@intel.com>, Andi Kleen <andi@firstfloor.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-pm <linux-pm@lists.linux-foundation.org>,
linux-acpi <linux-acpi@vger.kernel.org>,
Len Brown <lenb@kernel.org>
Subject: Re: [PATCH 0/8] device async action mechanism
Date: Thu, 16 Jul 2009 16:36:17 +0200 [thread overview]
Message-ID: <b637ec0b0907160736r3477301fn25c495b03a18dc4a@mail.gmail.com> (raw)
In-Reply-To: <4A5F2EEC.8010508@linux.intel.com>
On Thu, Jul 16, 2009 at 3:45 PM, Arjan van de Ven<arjan@linux.intel.com> wrote:
> Henrique de Moraes Holschuh wrote:
>>
>> On Thu, 16 Jul 2009, Zhang Rui wrote:
>>>
>>> the kernel device suspend time is reduced from 3.2s to 2.8s after
>>> applying this patch set in my test box.
>>
>> It will give even a bigger boot time saving on ThinkPads, where there is a
>> Synaptics (or ALPS if you are unlucky) touchpad with the trackpoint behind
>> it... it takes about 2s to init both devices here. That's two seconds of
>> boot time you can shove off if it is being initialized assyncronously :-)
>>
>
> that's a different problem that I don't think this will solve; as long
> as you keep the boot of the kernel wait for all async actions, you're going
> to hit that wait. In Moblin we have a (bad) patch to not do the wait,
> at some point we need to figure how to get a mainline-able patch....
> --
Is it possible for you to post that patch (or point to a website hosting it)?
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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>
next prev parent reply other threads:[~2009-07-16 14:36 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-15 7:38 Zhang Rui
2009-07-15 0:29 ` Pavel Machek
2009-07-17 1:40 ` Zhang Rui
2009-07-15 10:41 ` Andi Kleen
2009-07-16 2:14 ` Zhang Rui
2009-07-16 8:07 ` Andi Kleen
2009-07-16 8:30 ` Zhang Rui
2009-07-16 11:40 ` Henrique de Moraes Holschuh
2009-07-16 13:45 ` Arjan van de Ven
2009-07-16 14:36 ` Fabio Comolli [this message]
2009-07-17 1:37 ` Zhang Rui
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