Andi Kleen wrote:
quoted text
> Alan Cox wrote:
>>> 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?
> 
>> 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)
> 

... assuming that the ISDN code doesn't assume lock continuity across 
the TTY call.

	-hpa
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