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mm: thp: kvm: fix memory corruption in KVM with THP enabled
[deliverable/linux.git]
/
arch
/
x86
/
kvm
/
mmu.c
diff --git
a/arch/x86/kvm/mmu.c
b/arch/x86/kvm/mmu.c
index 1ff4dbb73fb7a7ee56c2c28e0d37a6a049f3adc9..b6f50e8b0a393675009a5dcaad7f30af315bc91d 100644
(file)
--- a/
arch/x86/kvm/mmu.c
+++ b/
arch/x86/kvm/mmu.c
@@
-2823,7
+2823,7
@@
static void transparent_hugepage_adjust(struct kvm_vcpu *vcpu,
*/
if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn) &&
level == PT_PAGE_TABLE_LEVEL &&
*/
if (!is_error_noslot_pfn(pfn) && !kvm_is_reserved_pfn(pfn) &&
level == PT_PAGE_TABLE_LEVEL &&
- PageTransCompound(pfn_to_page(pfn)) &&
+ PageTransCompound
Map
(pfn_to_page(pfn)) &&
!mmu_gfn_lpage_is_disallowed(vcpu, gfn, PT_DIRECTORY_LEVEL)) {
unsigned long mask;
/*
!mmu_gfn_lpage_is_disallowed(vcpu, gfn, PT_DIRECTORY_LEVEL)) {
unsigned long mask;
/*
@@
-4785,7
+4785,7
@@
restart:
*/
if (sp->role.direct &&
!kvm_is_reserved_pfn(pfn) &&
*/
if (sp->role.direct &&
!kvm_is_reserved_pfn(pfn) &&
- PageTransCompound(pfn_to_page(pfn))) {
+ PageTransCompound
Map
(pfn_to_page(pfn))) {
drop_spte(kvm, sptep);
need_tlb_flush = 1;
goto restart;
drop_spte(kvm, sptep);
need_tlb_flush = 1;
goto restart;
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