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| author | Sheng Yang <sheng.yang@intel.com> | 2008-09-01 19:41:20 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-10-15 10:15:25 +0200 |
| commit | d40a1ee4859c673677c9811ae84475c4051baca5 (patch) | |
| tree | deedab33a187c41b23db799bd610af0508820cd4 /arch/x86/kvm/paging_tmpl.h | |
| parent | 8c4b537da7eceab1246695df21beea10f180d460 (diff) | |
| download | linux-d40a1ee4859c673677c9811ae84475c4051baca5.tar.gz linux-d40a1ee4859c673677c9811ae84475c4051baca5.tar.bz2 linux-d40a1ee4859c673677c9811ae84475c4051baca5.zip | |
KVM: MMU: Modify kvm_shadow_walk.entry to accept u64 addr
EPT is 4 level by default in 32pae(48 bits), but the addr parameter
of kvm_shadow_walk->entry() only accept unsigned long as virtual
address, which is 32bit in 32pae. This result in SHADOW_PT_INDEX()
overflow when try to fetch level 4 index.
Fix it by extend kvm_shadow_walk->entry() to accept 64bit addr in
parameter.
Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/paging_tmpl.h')
| -rw-r--r-- | arch/x86/kvm/paging_tmpl.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index b7064e1e1e17..b671f61be41e 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -286,7 +286,7 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *page, * Fetch a shadow pte for a specific level in the paging hierarchy. */ static int FNAME(shadow_walk_entry)(struct kvm_shadow_walk *_sw, - struct kvm_vcpu *vcpu, gva_t addr, + struct kvm_vcpu *vcpu, u64 addr, u64 *sptep, int level) { struct shadow_walker *sw = @@ -326,7 +326,7 @@ static int FNAME(shadow_walk_entry)(struct kvm_shadow_walk *_sw, metaphysical = 0; table_gfn = gw->table_gfn[level - 2]; } - shadow_page = kvm_mmu_get_page(vcpu, table_gfn, addr, level-1, + shadow_page = kvm_mmu_get_page(vcpu, table_gfn, (gva_t)addr, level-1, metaphysical, access, sptep); if (!metaphysical) { r = kvm_read_guest_atomic(vcpu->kvm, gw->pte_gpa[level - 2], |