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Michael Ellerman authored
In commit 59affcd3 I added context switching of more PMU SPRs, because they are potentially exposed to userspace on Power8. However despite me being a smart arse in the commit message it's actually not correct. In particular it interacts badly with a global perf record. We will have to do something more complicated, but that will have to wait for 3.11. Signed-off-by:
Michael Ellerman <michael@ellerman.id.au> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org>
b11ae951