Alan Cox wrote:
quoted text
>> Most of the legacy users are unlikely to be latency problems,
>> simply because only very few people (or nobody) still has that hardware
>> and the code will never run.
>>
>> Also I wouldn't lose sleep over e.g. let ISDN continue using BKL forever.
> 
> Most 

Most?

quoted text
>of the legacy users inflict that locking on other code - eg the ISN
> use of the BKL directly impacts on the tty layer work.

So you just stick unlock_kernel()/lock_kernel() around the call
to TTY (or similar to the entry points)

-Andi




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