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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-24 13:07:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-24 13:07:18 -0800 |
| commit | 89f883372fa60f604d136924baf3e89ff1870e9e (patch) | |
| tree | cb69b0a14957945ba00d3d392bf9ccbbef56f3b8 /virt/kvm/iommu.c | |
| parent | 9e2d59ad580d590134285f361a0e80f0e98c0207 (diff) | |
| parent | 6b73a96065e89dc9fa75ba4f78b1aa3a3bbd0470 (diff) | |
Merge tag 'kvm-3.9-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM updates from Marcelo Tosatti:
"KVM updates for the 3.9 merge window, including x86 real mode
emulation fixes, stronger memory slot interface restrictions, mmu_lock
spinlock hold time reduction, improved handling of large page faults
on shadow, initial APICv HW acceleration support, s390 channel IO
based virtio, amongst others"
* tag 'kvm-3.9-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (143 commits)
Revert "KVM: MMU: lazily drop large spte"
x86: pvclock kvm: align allocation size to page size
KVM: nVMX: Remove redundant get_vmcs12 from nested_vmx_exit_handled_msr
x86 emulator: fix parity calculation for AAD instruction
KVM: PPC: BookE: Handle alignment interrupts
booke: Added DBCR4 SPR number
KVM: PPC: booke: Allow multiple exception types
KVM: PPC: booke: use vcpu reference from thread_struct
KVM: Remove user_alloc from struct kvm_memory_slot
KVM: VMX: disable apicv by default
KVM: s390: Fix handling of iscs.
KVM: MMU: cleanup __direct_map
KVM: MMU: remove pt_access in mmu_set_spte
KVM: MMU: cleanup mapping-level
KVM: MMU: lazily drop large spte
KVM: VMX: cleanup vmx_set_cr0().
KVM: VMX: add missing exit names to VMX_EXIT_REASONS array
KVM: VMX: disable SMEP feature when guest is in non-paging mode
KVM: Remove duplicate text in api.txt
Revert "KVM: MMU: split kvm_mmu_free_page"
...
Diffstat (limited to 'virt/kvm/iommu.c')
| -rw-r--r-- | virt/kvm/iommu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c index 4a340cb23013..72a130bc448a 100644 --- a/virt/kvm/iommu.c +++ b/virt/kvm/iommu.c @@ -76,7 +76,9 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot) gfn = slot->base_gfn; end_gfn = gfn + slot->npages; - flags = IOMMU_READ | IOMMU_WRITE; + flags = IOMMU_READ; + if (!(slot->flags & KVM_MEM_READONLY)) + flags |= IOMMU_WRITE; if (kvm->arch.iommu_flags & KVM_IOMMU_CACHE_COHERENCY) flags |= IOMMU_CACHE; |