SA_INTERRUPT

From: Sandy Harris (sandy@storm.ca)
Date: Sat Sep 30 2000 - 21:50:21 EDT

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    Don Becker has some text at:

    http://www.scyld.com/expert/irq-conflict.html

    which includes a section:

    > Why SA_INTERRUPT in the SCSI drivers is a Bad Thing

    > ... it could potentially have a very negative impact on all other interrupt-driven
    > kernel service. That includes just about everything ...
    >
    > I believe that very few complex devices can be correctly run by a device driver
    > that uses SA_INTERRUPT.

    So I grepped drivers/*/*.c in the nearest handy kernel source, which happened to be
    2.2.16, and found 113 uses of SA_INTEERUPT, 64 in drivers/scsi/*.c and the rest spread
    around.

    Do we have a problem? Should it be fixed as part of the cleanup before 2.4.0?
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