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authorRik van Riel <[email protected]>2016-03-21 15:13:27 +0100
committerPaolo Bonzini <[email protected]>2016-03-22 16:38:38 +0100
commit9db284f30311b741a5e74eb8e5800ff7b92c4be3 (patch)
tree07640ab193a4a0cd3750f04db03e04ad6ffe66c9 /tools/perf/scripts/python/stat-cpi.py
parent489153c746746fc44b1e2fd184248dee8aebbaff (diff)
kvm, rt: change async pagefault code locking for PREEMPT_RT
The async pagefault wake code can run from the idle task in exception context, so everything here needs to be made non-preemptible. Conversion to a simple wait queue and raw spinlock does the trick. Signed-off-by: Rik van Riel <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
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