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powerpc/pseries: Flush lazy kernel mappings after unplug operations
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Tue, 6 Apr 2010 15:03:40 +0000 (15:03 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 28 Apr 2010 06:23:24 +0000 (16:23 +1000)
This ensures that the translations for unmapped IO mappings or
unmapped memory are properly removed from the MMU hash table
before such an unplug. Without this, the hypervisor refuses the
unplug operations due to those resources still being mapped by
the partition.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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