2 files changed, 7 insertions(+), 3 deletions(-) arch/powerpc/kvm/emulate.c | 5 +++++ arch/powerpc/kvm/powerpc.c | 5 ++---
This patch handles a guest that is in a wait state. This ensures that the guest is not allways eating up 100% cpu when it is idle. Signed-off-by: Jerone Young <[EMAIL PROTECTED]> diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -265,6 +265,11 @@ int kvmppc_emulate_instruction(struct kv case 146: /* mtmsr */ rs = get_rs(inst); kvmppc_set_msr(vcpu, vcpu->arch.gpr[rs]); + + /* handle guest vcpu that is in wait state */ + if (vcpu->arch.msr & MSR_WE) { + kvm_vcpu_block(vcpu); + } break; case 163: /* wrteei */ diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -36,13 +36,12 @@ gfn_t unalias_gfn(struct kvm *kvm, gfn_t int kvm_cpu_has_interrupt(struct kvm_vcpu *v) { - /* XXX implement me */ - return 0; + return !!(v->arch.pending_exceptions); } int kvm_arch_vcpu_runnable(struct kvm_vcpu *v) { - return 1; + return !(v->arch.msr & MSR_WE); } ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel