From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mihai Caraman Subject: [RFC PATCH 6/6] KVM: PPC: Book3E: Enhance FPU laziness Date: Mon, 3 Jun 2013 23:54:28 +0300 Message-ID: <1370292868-2697-7-git-send-email-mihai.caraman@freescale.com> References: <1370292868-2697-1-git-send-email-mihai.caraman@freescale.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , Mihai Caraman To: Return-path: In-Reply-To: <1370292868-2697-1-git-send-email-mihai.caraman@freescale.com> Sender: kvm-ppc-owner@vger.kernel.org List-Id: kvm.vger.kernel.org Adopt AltiVec approach to increase laziness by calling kvmppc_load_guest_fp() just before returning to guest instaed of each sched in. Signed-off-by: Mihai Caraman --- arch/powerpc/kvm/booke.c | 1 + arch/powerpc/kvm/e500mc.c | 2 -- 2 files changed, 1 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 019496d..5382238 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -1258,6 +1258,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, } else { kvmppc_lazy_ee_enable(); kvmppc_load_guest_altivec(vcpu); + kvmppc_load_guest_fp(vcpu); } } diff --git a/arch/powerpc/kvm/e500mc.c b/arch/powerpc/kvm/e500mc.c index 9d7f38e..29cf97a 100644 --- a/arch/powerpc/kvm/e500mc.c +++ b/arch/powerpc/kvm/e500mc.c @@ -138,8 +138,6 @@ void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu) if (vcpu->arch.oldpir != mfspr(SPRN_PIR)) kvmppc_e500_tlbil_all(vcpu_e500); - - kvmppc_load_guest_fp(vcpu); } void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu) -- 1.7.4.1