linux-kernel - Re: [PATCH 02/35] ivtv: use kthread

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Date:	Mon, 05 Jul 2010 13:11:00 -0400
From:	Andy Walls <awalls@...metrocast.net>
To:	Tejun Heo <tj@...nel.org>
Cc:	torvalds@...ux-foundation.org, mingo@...e.hu,
	linux-kernel@...r.kernel.org, jeff@...zik.org,
	akpm@...ux-foundation.org, rusty@...tcorp.com.au,
	cl@...ux-foundation.org, dhowells@...hat.com,
	arjan@...ux.intel.com, oleg@...hat.com, axboe@...nel.dk,
	fweisbec@...il.com, dwalker@...eaurora.org,
	stefanr@...6.in-berlin.de, florian@...kler.org,
	andi@...stfloor.org, mst@...hat.com, randy.dunlap@...cle.com,
	ivtv-devel@...vdriver.org, linux-media@...r.kernel.org
Subject: Re: [PATCH 02/35] ivtv: use kthread_worker instead of workqueue

On Mon, 2010-06-28 at 23:03 +0200, Tejun Heo wrote:
> Upcoming workqueue updates will no longer guarantee fixed workqueue to
> worker kthread association, so giving RT priority to the irq worker
> won't work.  Use kthread_worker which guarantees specific kthread
> association instead.  This also makes setting the priority cleaner.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Cc: Andy Walls <awalls@...metrocast.net>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: ivtv-devel@...vdriver.org
> Cc: linux-media@...r.kernel.org


Assuming the new kthread_worker implementation is OK, this change for
ivtv looks good.

Reviewed-by: Andy Walls <awalls@...metrocast.net>
Acked-by: Andy Walls <awalls@...metrocast.net>

Regards,
Andy

>  drivers/media/video/ivtv/ivtv-driver.c |   26 ++++++++++++++++----------
>  drivers/media/video/ivtv/ivtv-driver.h |    8 ++++----
>  drivers/media/video/ivtv/ivtv-irq.c    |   15 +++------------
>  drivers/media/video/ivtv/ivtv-irq.h    |    2 +-
>  4 files changed, 24 insertions(+), 27 deletions(-)
> 
> diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c
> index 1b79475..49e0b1c 100644
> --- a/drivers/media/video/ivtv/ivtv-driver.c
> +++ b/drivers/media/video/ivtv/ivtv-driver.c


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