Re: PATCH: [2.4.21-pre3] Fix for SMP race condition in IDE code

[Alan Cox]

On Fri, 2003-01-10 at 18:12, Ross Biro wrote:
> There is a race condition in all versions of the IDE code that I've 
> looked at including 2.4.18 and 2.4.21-pre3. Basically on an SMP system 
> if mutiple IDE channels are on the same interrupt and 1 channel sends 
> has an interrupt pending on 1 processor while the other processor is 
> calling ide_set_handler, then the interrupt can be mistaken for command 
> completion on both channels, and a command can be completed before it is 
> even issued.

Thanks Ross. I'll go over this in some detail.