Re: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait /notify + callback chains

bsuparna
2001-02-01T04:06:38Z

>Hi,
>
>On Wed, Jan 31, 2001 at 07:28:01PM +0530, bsuparna@in.ibm.com wrote:
>>
>> Do the following modifications to your wait queue extension sound
>> reasonable ?
>>
>> 1. Change add_wait_queue to add elements to the end of queue (fifo, by
>> default) and instead have an add_wait_queue_lifo() routine that adds to
the
>> head of the queue ?
>
>Cache efficiency: you wake up the task whose data set is most likely
>to be in L1 cache by waking it before its triggering event is flushed
>from cache.
>
>--Stephen

Valid point.

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