diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 545936428bf692c26a4ba5fd43aa7b6a75801a54..3dfc437fb9d9623da01aec95422d279aba4cfc28 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -112,7 +112,7 @@ extern int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong val); extern int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *val); -extern void kvmppc_core_check_requests(struct kvm_vcpu *vcpu); +extern int kvmppc_core_check_requests(struct kvm_vcpu *vcpu); extern int kvmppc_booke_init(void); extern void kvmppc_booke_exit(void); diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 71fa0f1873b3c1c6a19dab11bcfc9e5e513d0edb..b3c584f94cb33860d90150c6ec0da3b2ebf8bd50 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -86,12 +86,16 @@ void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu) kvmppc_giveup_ext(vcpu, MSR_VSX); } -void kvmppc_core_check_requests(struct kvm_vcpu *vcpu) +int kvmppc_core_check_requests(struct kvm_vcpu *vcpu) { + int r = 1; /* Indicate we want to get back into the guest */ + /* We misuse TLB_FLUSH to indicate that we want to clear all shadow cache entries */ if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu)) kvmppc_mmu_pte_flush(vcpu, 0, 0); + + return r; } /************* MMU Notifiers *************/ diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 1917802463f5a765afaa74e79eb9914dac542f79..c36493087dbf896b6672ea4016431dfe6593a972 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -455,14 +455,18 @@ int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu) return r; } -void kvmppc_core_check_requests(struct kvm_vcpu *vcpu) +int kvmppc_core_check_requests(struct kvm_vcpu *vcpu) { + int r = 1; /* Indicate we want to get back into the guest */ + if (kvm_check_request(KVM_REQ_PENDING_TIMER, vcpu)) update_timer_ints(vcpu); #if defined(CONFIG_KVM_E500V2) || defined(CONFIG_KVM_E500MC) if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu)) kvmppc_core_flush_tlb(vcpu); #endif + + return r; } int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 0e2a98ab6a77147ae97b449bde6514bfc378ba77..54b12af577d05245541f8ec95b5e56900b586b0c 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -83,9 +83,11 @@ int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu) /* Make sure we process requests preemptable */ local_irq_enable(); trace_kvm_check_requests(vcpu); - kvmppc_core_check_requests(vcpu); + r = kvmppc_core_check_requests(vcpu); local_irq_disable(); - continue; + if (r > 0) + continue; + break; } if (kvmppc_core_prepare_to_enter(vcpu)) {