From: Arjan van de Ven <arjan@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: linux-kernel@vger.kernel.org, Chris Wilson <chris@chris-wilson.co.uk>
Subject: Re: [PATCH] async: Manage execution domains
Date: Sun, 7 Mar 2010 14:11:50 -0800 [thread overview]
Message-ID: <20100307141150.51b3518a@linux.intel.com> (raw)
In-Reply-To: <1267989149-10825-1-git-send-email-chris@chris-wilson.co.uk>
On Sun, 7 Mar 2010 19:12:29 +0000
Chris Wilson <chris@chris-wilson.co.uk> wrote:
> Currently execution domains do not interact well with full
> synchronisation requests. If the sync request is performed before the
> async task has begun, then the manager will never schedule() and so
> busy-wait forever on a UP box. By reorganising the tasks into both a
> per-domain and global list, we can either wait on a single execution
> domain or globally over all tasks, as intended.
the intention has never been to wait for all tasks, at least not for
tasks that have their own domain rather than using the global domain.
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
prev parent reply other threads:[~2010-03-07 22:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-07 19:12 [PATCH] async: Manage execution domains Chris Wilson
2010-03-07 22:11 ` Arjan van de Ven [this message]
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