Re: [PATCH 1/6] fastboot: Asynchronous function calls to speed upkernel boot

From: Arjan van de Ven
Date: Wed Jan 14 2009 - 04:03:11 EST


On Wed, 14 Jan 2009 13:32:43 +0800
Zhang Rui <rui.zhang@xxxxxxxxx> wrote:
> > +
> > + wait_event(async_done, lowest_in_progress >= cookie);
> > +
>
> In some cases, we only want to wait for a specific cookie
> rather than all the cookies smaller than it.
>
> For example:
> device cookie
> ACPI battery 1
> ata port 0 2
> ata port 1 3
> ata port 0 and port 1 in the same host can not be probed in parallel.
>
> In this case, ata port1 should only wait for cookie 2 rather than
> both 1 and 2.
>

I really don't want to go this way; ordering is really important and I
don't want to break this.

If you really have a fully separate domain (and there's only few of
those in our kernel), then use a special run list.



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Arjan van de Ven Intel Open Source Technology Centre
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