From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabiano Rosas Date: Sat, 16 Oct 2021 12:59:49 +0000 Subject: Re: [PATCH v3 18/52] KVM: PPC: Book3S HV P9: Move SPRG restore to restore_p9_host_os_sprs Message-Id: <87tuhhw2ey.fsf@linux.ibm.com> List-Id: References: <20211004160049.1338837-1-npiggin@gmail.com> <20211004160049.1338837-19-npiggin@gmail.com> In-Reply-To: <20211004160049.1338837-19-npiggin@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Nicholas Piggin , kvm-ppc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: Nicholas Piggin Nicholas Piggin 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 Reviewed-by: Fabiano Rosas > --- > 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;