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KVM: PPC: Book3S HV P9: Stop using vc->dpdes
authorNicholas Piggin <npiggin@gmail.com>
Tue, 23 Nov 2021 09:52:30 +0000 (19:52 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 24 Nov 2021 10:09:03 +0000 (21:09 +1100)
commit770f1468df557ada42a81d622c199a069163d540
tree401ddcd3111962ec1639932899dab78d3bbdc57etree | snapshot
parent6608d0ef581eada36bb5ba9a18238aa7bed9670fcommit | diff
KVM: PPC: Book3S HV P9: Stop using vc->dpdes

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
arch/powerpc/kvm/book3s_hv.c diff | blob | history
arch/powerpc/kvm/book3s_hv_builtin.c diff | blob | history
arch/powerpc/kvm/book3s_hv_p9_entry.c diff | blob | history
Linux Kernel Source Tree.