Re: [PATCH 1/4] async: introduce 'async_domain' type

[Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>]

On 5/25/2012 12:51 AM, James Bottomley wrote:
> On Fri, 2012-05-25 at 00:50 -0700, Dan Williams wrote:
>> This is in preparation for teaching async_synchronize_full() to sync all
>> pending async work, and not just on the async_running domain.  This
>> conversion is functionally equivalent, just embedding the existing list
>> in a new async_domain type.
> 
> This looks good, but I want Arjan and others who invented the async code
> to speed up boot to comment on all of this.  What was the intention of
> async_synchronize_full() and if it wasn't to synchronise all domains,
> should we fix the documentation and add a new primitive to do that,
> since boot clearly assumes the all domains behaviour.

it was not what was intended originally (the domains were supposed to be
completely independent beasts), however I can see that this is confusing
and even undesired, so I am ok with the change.
Ideally we get a way to have an async domain opt out of the global sync,
but until I get an actual user of that into mainline, don't worry about it.
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