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SubjectRe: new IRQ scalability changes in 2.3.48
Hi,

> Agreed, but what is the point of it? Now every spinlock has to look up
> current. The nice spinlock code that used to be 2 instructions (or 1 for
> the unlock case) suddenly became 5 or more. No, thank you. Especially as I
> don't believe it buys you anything on SMP.

Only i386, arm and sh need to look up current and on all other
architectures it's almost free. I would say, why not experimenting with
and keep as an option, you don't want that on servers of course, where
throughput is far more important, but if want to play qua^H^H^Hmp3s...

bye, Roman



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