powerpc/mm/radix: implement LPID based TLB flushes to be used by KVM

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Implement a local TLB flush for invalidating an LPID with variants for
process or partition scope. And a global TLB flush for invalidating
a partition scoped page of an LPID.

These will be used by KVM in subsequent patches.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Nicholas Piggin 2018-05-09 12:20:18 +10:00 • committed by Michael Ellerman

parent 21828c99ee

commit 0078778a86

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7

arch/powerpc/include/asm/book3s/64/tlbflush-radix.h

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207

arch/powerpc/mm/tlb-radix.c

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