Messages in this thread | | | Date | Thu, 15 May 2008 14:30:48 +0100 | From | Alan Cox <> | Subject | Re: [announce] "kill the Big Kernel Lock (BKL)" tree |
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> 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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