Re: [rtl] DMA and real time interrupts

[SteenbeckDigital <steenbeckdigital@compuserve.com>]

Nachricht geschrieben von "Andris Pavenis"
>
It will work Ok if this is only thing on computer which is using DMA
(not counting IDE BM-DMA). Programing DMA controller requires
to write ports which are common for all channels of one DMA 
controller. Therefore if some driver in Linux kernel itself is using
DMA then it can mess up controller as such drivers will
use cli() before programing DMA controller, but this does not
prevent rt-linux drivers from accessing same ports
<

Thats why I do the DMA setup outside RtLinuX :-)
Only the polling is done from inside RtLinuX AND 
without stopping the DMA transfer :-))

Jens Michaelsen
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