Re: [PATCH] spi/pl022: Add high priority message pump support

2012-01-27 Thread Grant Likely
On Thu, Jan 26, 2012 at 7:48 AM, Linus Walleij linus.wall...@linaro.org wrote: On Wed, Jan 25, 2012 at 3:02 PM, Mark Brown broo...@sirena.org.uk wrote: On Tue, Jan 24, 2012 at 10:14:32PM +0100, Linus Walleij wrote: This switches the PL022 worker to a kthread in order to get hold of a

Re: [PATCH] spi/pl022: Add high priority message pump support

2012-01-26 Thread Linus Walleij
On Wed, Jan 25, 2012 at 3:02 PM, Mark Brown broo...@sirena.org.uk wrote: On Tue, Jan 24, 2012 at 10:14:32PM +0100, Linus Walleij wrote: This switches the PL022 worker to a kthread in order to get hold of a mechanism to control the message pump priority. On low-latency systems elevating the

Re: [PATCH] spi/pl022: Add high priority message pump support

2012-01-26 Thread Mark Brown
On Thu, Jan 26, 2012 at 03:48:59PM +0100, Linus Walleij wrote: On Wed, Jan 25, 2012 at 3:02 PM, Mark Brown broo...@sirena.org.uk wrote: It really feels like we should be pulling this into the core - lots of drivers use a workqueue to drive data through the system and they're all going to

Re: [PATCH] spi/pl022: Add high priority message pump support

2012-01-25 Thread Mark Brown
On Tue, Jan 24, 2012 at 10:14:32PM +0100, Linus Walleij wrote: From: Chris Blair chris.bl...@stericsson.com This switches the PL022 worker to a kthread in order to get hold of a mechanism to control the message pump priority. On low-latency systems elevating the message kthread to realtime

Re: [PATCH] spi/pl022: Add high priority message pump support

2012-01-24 Thread Viresh Kumar
On 1/25/2012 2:44 AM, Linus WALLEIJ wrote: From: Chris Blair chris.bl...@stericsson.com This switches the PL022 worker to a kthread in order to get hold of a mechanism to control the message pump priority. On low-latency systems elevating the message kthread to realtime priority give a real