Re: [PATCH v3 18/52] KVM: PPC: Book3S HV P9: Move SPRG restore to restore_p9_host_os_sprs
From: Fabiano Rosas <hidden>
Date: 2021-10-16 13:00:40
Nicholas Piggin [off-list ref] writes:
Move the SPR update into its relevant helper function. This will help with SPR scheduling improvements in later changes. Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <redacted>
quoted hunk ↗ jump to hunk
--- arch/powerpc/kvm/book3s_hv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 1c5b81bd02c1..fca89ed2244f 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c@@ -4093,6 +4093,8 @@ static void save_p9_host_os_sprs(struct p9_host_os_sprs *host_os_sprs) static void restore_p9_host_os_sprs(struct kvm_vcpu *vcpu, struct p9_host_os_sprs *host_os_sprs) { + mtspr(SPRN_SPRG_VDSO_WRITE, local_paca->sprg_vdso); + mtspr(SPRN_PSPB, 0); mtspr(SPRN_UAMOR, 0);@@ -4293,8 +4295,6 @@ static int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit, timer_rearm_host_dec(tb); - mtspr(SPRN_SPRG_VDSO_WRITE, local_paca->sprg_vdso); - kvmppc_subcore_exit_guest(); return trap;