powerpc/kvm/nested: Add helper to walk nested shadow linux page table.

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The locking rules for walking nested shadow linux page table is different from process
scoped table. Hence add a helper for nested page table walk and also
add check whether we are holding the right locks.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200505071729.54912-11-aneesh.kumar@linux.ibm.com

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Aneesh Kumar K.V 2020-05-05 12:47:17 +05:30 • committed by Michael Ellerman

parent 4b99412ed6

commit dc891849e0

1 changed files with 21 additions and 7 deletions

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arch/powerpc/kvm/book3s_hv_nested.c

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