powerpc/kvm/book3s: Add helper to walk partition scoped linux page table.

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The locking rules for walking partition scoped table is different from process
scoped table. Hence add a helper for secondary linux 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/20200505071729.54912-10-aneesh.kumar@linux.ibm.com

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Aneesh Kumar K.V 2020-05-05 12:47:16 +05:30 • committed by Michael Ellerman

parent 87013f9c60

commit 4b99412ed6

3 changed files with 20 additions and 7 deletions

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13

arch/powerpc/include/asm/kvm_book3s_64.h

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12

arch/powerpc/kvm/book3s_64_mmu_radix.c

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2

arch/powerpc/kvm/book3s_hv_nested.c

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