[PATCH v5 05/48] KVM: PPC: Book3S HV: Remove redundant mtspr PSPB
STALE2011d
REVIEWED: 2 (0M)
From: Nicholas Piggin <npiggin@gmail.com>
Date: 2021-04-01 15:06:25
Subsystem:
kernel virtual machine for powerpc (kvm/powerpc), linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Revision v5 of 4 in this series; 2 review trailers.
Revisions (4)
- rfc [diff vs current]
- v4 [diff vs current]
- v5 current
- v6 [diff vs current]
This SPR is set to 0 twice when exiting the guest. Acked-by: Paul Mackerras <redacted> 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 a6b5d79d9306..8bc2a5ee9ece 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c@@ -3787,7 +3787,6 @@ 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