Re: bottom half handler choice

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Hi...

Trying my best to answer....

On Thu, May 14, 2009 at 6:51 PM, Kalpesh Rathod <kalpeshrathod@xxxxxxxxx> wrote:
> Hi,
>
> I want to implement bottom half handler for my driver. As per my
> design it can sleep, so I have two choices:
>
> 1. separate kernel thread and managing its sleep-wakeup with waitqueue

pros: your bottom half could be executed right away without awaiting
other works get done

cons: your processor is now handling one more task...so more context
switching happens

> 2. Use single threaded workqueue

pros: simpler...just use predefined workqueue function to manage your job

cons: your work must wait for others which are submitted first to be completed.

CMIIW guys...

regards,

Mulyadi.

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