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| author | Alex Williamson <alex.williamson@redhat.com> | 2013-10-30 11:02:23 -0600 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-10-30 19:02:13 +0100 |
| commit | d96eb2c6f480769bff32054e78b964860dae4d56 (patch) | |
| tree | 48245bcee8cd688c11c2974c4a0c7391660dd423 /arch/x86 | |
| parent | ec53500fae421e07c5d035918ca454a429732ef4 (diff) | |
| download | blackbird-op-linux-d96eb2c6f480769bff32054e78b964860dae4d56.tar.gz blackbird-op-linux-d96eb2c6f480769bff32054e78b964860dae4d56.zip | |
kvm/x86: Convert iommu_flags to iommu_noncoherent
Default to operating in coherent mode. This simplifies the logic when
we switch to a model of registering and unregistering noncoherent I/O
with KVM.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 5cbf3166257c..91b35e4005d3 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -564,7 +564,7 @@ struct kvm_arch { struct list_head assigned_dev_head; struct iommu_domain *iommu_domain; - int iommu_flags; + bool iommu_noncoherent; struct kvm_pic *vpic; struct kvm_ioapic *vioapic; struct kvm_pit *vpit; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 6850b0f1d52b..727a5e980c43 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -7446,7 +7446,7 @@ static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) if (is_mmio) ret = MTRR_TYPE_UNCACHABLE << VMX_EPT_MT_EPTE_SHIFT; else if (vcpu->kvm->arch.iommu_domain && - !(vcpu->kvm->arch.iommu_flags & KVM_IOMMU_CACHE_COHERENCY)) + vcpu->kvm->arch.iommu_noncoherent) ret = kvm_get_guest_memory_type(vcpu, gfn) << VMX_EPT_MT_EPTE_SHIFT; else diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 15f9540a2b1f..92ad83e5b132 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2719,7 +2719,7 @@ static void wbinvd_ipi(void *garbage) static bool need_emulate_wbinvd(struct kvm_vcpu *vcpu) { return vcpu->kvm->arch.iommu_domain && - !(vcpu->kvm->arch.iommu_flags & KVM_IOMMU_CACHE_COHERENCY); + vcpu->kvm->arch.iommu_noncoherent; } void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) |
