Re: RT-Linux and SMP

David S. Miller (
Thu, 24 Apr 1997 16:50:04 -0400

Date: Thu, 24 Apr 1997 10:44:11 -0700 (PDT)
From: Linus Torvalds <>

> In any event, I think that the rtlinux soft-interrupts fits into
> this scheme quite well and should make the irq_lock unecessary.

I don't believe you can make the irq_lock unnecessary - _something_
like that is needed anyway.

Unless you want to make our drivers require knowledge of SMP safety,
something we specifically do not want, it is a huge win to completely
hide the details of SMP from driver writers.

Yow! 11.26 MB/s remote host TCP bandwidth & ////
199 usec remote TCP latency over 100Mb/s ////
ethernet. Beat that! ////
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David S. Miller, /_____________/ / // /_/ ><