[PATCH xserver] dix: Allow secondary threads to use the work queue

[Keith Packard]

Peter Hutterer <peter.hutterer at who-t.net> writes:

> looking at this again because I realised that timers are used as well and it
> turns out they already have input_lock(), see 8174daa6bd3f. Can we just use
> input_lock()/input_unlock() here rather than a new mutex?

A fine plan. We should call this the 'BXL' -- the Big X server Lock :-)

-- 
-keith
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