[RFC][PATCH 0/3] perf fixes

From: Peter Zijlstra
Date: Fri Jan 23 2015 - 08:00:47 EST


Hi,

Here are a few perf patches that (hopefully) fix a number of reported
(and at least one unreported afaik) issues as triggered by Vince's
fuzzer.

After a few days of staring at that event->ctx mess and writing
increasingly horrible patches, I came up with the approach from patch 3.
It still isn't pretty or straight forward though; please give it careful
consideration.

Jiri reported some success on an slightly older stack.

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