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| author | Jan Kiszka <jan.kiszka@web.de> | 2009-04-25 12:43:21 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-06-10 11:48:45 +0300 |
| commit | 3438253926822a6bf8487b4f7d82f26a2c0b2388 (patch) | |
| tree | 59ca18a1850b8e61bfc09cd3608a0c7cf75637ab /arch/x86/kvm | |
| parent | 43890ae8bcc5fa88ef3061613efe041b866fbc5a (diff) | |
| download | kernel_samsung_tuna-3438253926822a6bf8487b4f7d82f26a2c0b2388.zip kernel_samsung_tuna-3438253926822a6bf8487b4f7d82f26a2c0b2388.tar.gz kernel_samsung_tuna-3438253926822a6bf8487b4f7d82f26a2c0b2388.tar.bz2 | |
KVM: MMU: Fix auditing code
Fix build breakage of hpa lookup in audit_mappings_page. Moreover, make
this function robust against shadow_notrap_nonpresent_pte entries.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index b39ec62..3592aea 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -3029,11 +3029,13 @@ static void audit_mappings_page(struct kvm_vcpu *vcpu, u64 page_pte, " in nonleaf level: levels %d gva %lx" " level %d pte %llx\n", audit_msg, vcpu->arch.mmu.root_level, va, level, ent); - - audit_mappings_page(vcpu, ent, va, level - 1); + else + audit_mappings_page(vcpu, ent, va, level - 1); } else { gpa_t gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, va); - hpa_t hpa = (hpa_t)gpa_to_pfn(vcpu, gpa) << PAGE_SHIFT; + gfn_t gfn = gpa >> PAGE_SHIFT; + pfn_t pfn = gfn_to_pfn(vcpu->kvm, gfn); + hpa_t hpa = (hpa_t)pfn << PAGE_SHIFT; if (is_shadow_present_pte(ent) && (ent & PT64_BASE_ADDR_MASK) != hpa) |