Re: [announce] "kill the Big Kernel Lock (BKL)" tree

[Alan Cox]

> own lock_kernel calls, but why in the old drivers? For those it's very
> unlikely they are used on any SMP system anyways (e.g. anything
> depending on CONFIG_ISA) or if they do only on 2 CPU systems.

Because

- You need to verify the locking assumptions that remain are entirely
driver internal
- At the point you achieve that you've done *ALL* the work required to
add a driver specific lock

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