powerpc/mm/radix: Update LPCR HR bit as per ISA

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PowerISA 3.0 requires the MMU mode (radix vs. hash) of the hypervisor
to be mirrored in the LPCR register, in addition to the partition table.
This is done to avoid fetching from the table when deciding, among other
things, how to perform transitions to HV mode on some interrupts.
So let's set it up appropriately

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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This commit is contained in:

Aneesh Kumar K.V 2016-07-13 15:05:21 +05:30 • committed by Michael Ellerman

parent 8cd6d3c23e

commit bf16cdf48a

2 changed files with 3 additions and 2 deletions

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1

arch/powerpc/include/asm/reg.h

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4

arch/powerpc/mm/pgtable-radix.c

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