[PATCH v4 05/46] KVM: PPC: Book3S HV: Remove redundant mtspr PSPB
From: Nicholas Piggin <npiggin@gmail.com>
Date: 2021-03-23 01:06:03
Subsystem:
kernel virtual machine for powerpc (kvm/powerpc), linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
This SPR is set to 0 twice when exiting the guest. Suggested-by: Fabiano Rosas <redacted> Reviewed-by: Daniel Axtens <redacted> Signed-off-by: Nicholas Piggin <npiggin@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 1ffb0902e779..7cfaabab2c20 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c@@ -3781,7 +3781,6 @@ 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