Changes between Initial Version and Version 1 of Ticket #8, comment 5


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Timestamp:
Sep 29, 2011, 5:12:11 PM (13 years ago)
Author:
cjm
Comment:

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  • Ticket #8, comment 5

    initial v1  
    33There's a feature in AHCI which allows collecting completion events in order to have a single interrupt for servicing multiple completions which comes with an artificial interrupt delay but this feature is not used by OS2AHCI. I could imagine the following reasons for this behavior:
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    5  * The adapter switches to delayed interrupt signaling when using NCQ. I would need to check this; so far, I haben't heard about such a "feature"
     5 * The adapter switches to delayed interrupt signaling when using NCQ. I would need to check this; so far, I haven't heard about such a "feature"
    66 * The device itself introduces an artificial delay processing NCQ requests. Same thing: I would need to investigate.
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