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| author | Keir Fraser <keir.fraser@citrix.com> | 2007-12-27 12:03:02 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2007-12-27 12:03:02 +0000 |
| commit | e88a23b123a58edde070f6678d1b1bee80574414 (patch) | |
| tree | dd1c1290b5aa4110aafbb077f0c79a0958d56dc6 | |
| parent | 5e1b25eac4788497e8f8d6117794ae4803d3a4f5 (diff) | |
| download | xen-e88a23b123a58edde070f6678d1b1bee80574414.tar.gz xen-e88a23b123a58edde070f6678d1b1bee80574414.tar.bz2 xen-e88a23b123a58edde070f6678d1b1bee80574414.zip | |
vmx: Map the VLAPIC access page as mmio-direct in the p2m. This
prevents emulated accesses to this page, which would not be handled in
the correct way (VMX handles accesses to that page in non-root mode in
a very super-special way).
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
| -rw-r--r-- | xen/arch/x86/hvm/vmx/vmx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c index ddf60430d3..1e700d8d2e 100644 --- a/xen/arch/x86/hvm/vmx/vmx.c +++ b/xen/arch/x86/hvm/vmx/vmx.c @@ -2432,8 +2432,8 @@ static int vmx_alloc_vlapic_mapping(struct domain *d) if ( apic_va == NULL ) return -ENOMEM; share_xen_page_with_guest(virt_to_page(apic_va), d, XENSHARE_writable); - guest_physmap_add_page( - d, paddr_to_pfn(APIC_DEFAULT_PHYS_BASE), virt_to_mfn(apic_va)); + set_mmio_p2m_entry( + d, paddr_to_pfn(APIC_DEFAULT_PHYS_BASE), _mfn(virt_to_mfn(apic_va))); d->arch.hvm_domain.vmx_apic_access_mfn = virt_to_mfn(apic_va); return 0; |