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| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-02-07 13:47:44 +0100 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-04-27 10:53:20 +0200 |
| commit | fb72d1674d860b0c9ef9b66b7f4f01fe5b3d2c00 (patch) | |
| tree | d24d0f67fde02b87263ebfe8c3bde2d0ff3d67e4 /arch/x86/kvm/mmu.h | |
| parent | KVM: export the load_pdptrs() function to modules (diff) | |
| download | linux-fb72d1674d860b0c9ef9b66b7f4f01fe5b3d2c00.tar.xz linux-fb72d1674d860b0c9ef9b66b7f4f01fe5b3d2c00.zip | |
KVM: MMU: add TDP support to the KVM MMU
This patch contains the changes to the KVM MMU necessary for support of the
Nested Paging feature in AMD Barcelona and Phenom Processors.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/mmu.h')
| -rw-r--r-- | arch/x86/kvm/mmu.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h index 1fce19ec7a23..e64e9f56a65e 100644 --- a/arch/x86/kvm/mmu.h +++ b/arch/x86/kvm/mmu.h @@ -3,6 +3,12 @@ #include <linux/kvm_host.h> +#ifdef CONFIG_X86_64 +#define TDP_ROOT_LEVEL PT64_ROOT_LEVEL +#else +#define TDP_ROOT_LEVEL PT32E_ROOT_LEVEL +#endif + static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu) { if (unlikely(vcpu->kvm->arch.n_free_mmu_pages < KVM_MIN_FREE_MMU_PAGES)) |