GIANT-FREE ciss

[Paul Saab]

I did experiments and found that ciss did not gain any thing by making 
it MPSAFE.  This may have changed with newer cards, but with all the 
older cards, there was no gain.

Mike Jakubik wrote:
> Are there any plans/work to make a giant-less ciss driver? Its a 
> fairly popular driver that is used on some high end systems, and many 
> systems now are running in SMP mode. Its a shame that they have to 
> endure the performance penalty of the GIANT lock.
>
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