Messages in this thread | | | Date | Tue, 05 May 2015 18:45:50 +0200 | From | Paolo Bonzini <> | Subject | Re: [PATCH 07/13] KVM: x86: API changes for SMM support |
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On 05/05/2015 18:36, Bandan Das wrote: >> > @@ -3116,29 +3121,31 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu, >> > struct kvm_vcpu_events *events) >> > { >> > process_nmi(vcpu); >> > + >> > + memset(events, 0, sizeof(*events)); > I think that it's better that the caller memsets this before passing it over > to the *_get_vcpu_events function.
I should have actually removed the
memset(&events->reserved, 0, sizeof(events->reserved));
and padding memsets as well. But I'll instead remove the memset and make sure to zero out events->smi.pad.
>> > >> > /* in (pre_kvm_run), out (post_kvm_run) */ >> > __u64 cr8; >> > @@ -814,6 +814,7 @@ struct kvm_ppc_smmu_info { >> > #define KVM_CAP_S390_INJECT_IRQ 113 >> > #define KVM_CAP_S390_IRQ_STATE 114 >> > #define KVM_CAP_PPC_HWRNG 115 >> > +#define KVM_CAP_X86_SMM 120 > Why didn't we reserve the next available number here ?
Because it will be a while before this series is ready, and I got bored of having to modify QEMU every time somebody used the next capability. :)
Paolo
>> > #ifdef KVM_CAP_IRQ_ROUTING >> > >> > @@ -1199,6 +1200,8 @@ struct kvm_s390_ucas_mapping { >> > /* Available with KVM_CAP_S390_IRQ_STATE */ >> > #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state) >> > #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state) >> > +/* Available with KVM_CAP_X86_SMM */ >> > +#define KVM_SMI _IO(KVMIO, 0xb7) >> > >> > #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0) >> > #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
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