KVM: PPC: Book3S HV P9: implement kvmppc_xive_pull_vcpu in C

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This is more symmetric with kvmppc_xive_push_vcpu, and has the advantage
that it runs with the MMU on.

The extra test added to the asm will go away with a future change.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210528090752.3542186-9-npiggin@gmail.com

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Nicholas Piggin 2021-05-28 19:07:28 +10:00 • committed by Michael Ellerman

parent e2762743c6

commit 023c3c96ca

4 changed files with 40 additions and 0 deletions

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2

arch/powerpc/include/asm/kvm_ppc.h

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2

arch/powerpc/kvm/book3s_hv.c

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5

arch/powerpc/kvm/book3s_hv_rmhandlers.S

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31

arch/powerpc/kvm/book3s_xive.c

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