KVM: PPC: Book3S HV P9: Stop using vc->dpdes

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The P9 path uses vc->dpdes only for msgsndp / SMT emulation. This adds
an ordering requirement between vcpu->doorbell_request and vc->dpdes for
no real benefit. Use vcpu->doorbell_request directly.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-53-npiggin@gmail.com

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Nicholas Piggin 2021-11-23 19:52:30 +10:00 • committed by Michael Ellerman

parent 617326ff01

commit 6398326b9b

3 changed files with 22 additions and 12 deletions

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18

arch/powerpc/kvm/book3s_hv.c

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2

arch/powerpc/kvm/book3s_hv_builtin.c

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14

arch/powerpc/kvm/book3s_hv_p9_entry.c

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