[PATCH v1 06/12] KVM: PPC: Book3S HV: Remove redundant mtspr PSPB
Nicholas Piggin
npiggin at gmail.com
Mon Apr 12 11:48:39 AEST 2021
This SPR is set to 0 twice when exiting the guest.
Acked-by: Paul Mackerras <paulus at ozlabs.org>
Suggested-by: Fabiano Rosas <farosas at linux.ibm.com>
Reviewed-by: Daniel Axtens <dja at axtens.net>
Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
arch/powerpc/kvm/book3s_hv.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 70c6e9c27eb7..b88df175aa76 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -3790,7 +3790,6 @@ static int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit,
mtspr(SPRN_DSCR, host_dscr);
mtspr(SPRN_TIDR, host_tidr);
mtspr(SPRN_IAMR, host_iamr);
- mtspr(SPRN_PSPB, 0);
if (host_amr != vcpu->arch.amr)
mtspr(SPRN_AMR, host_amr);
--
2.23.0
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