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authorLinus Torvalds <torvalds@linux-foundation.org>2020-08-22 10:03:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-22 10:03:05 -0700
commitb2d9e99622796576eb6faa236b2d1f592cc43ace (patch)
treee2216f3c4b2ac3efb39586a4d65d470ab094692b /arch/x86/kvm/x86.c
parent9e574b74b781f14fa7348ba8b980b19a250a9c83 (diff)
parentb5331379bc62611d1026173a09c73573384201d9 (diff)
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini: - PAE and PKU bugfixes for x86 - selftests fix for new binutils - MMU notifier fix for arm64 * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: arm64: Only reschedule if MMU_NOTIFIER_RANGE_BLOCKABLE is not set KVM: Pass MMU notifier range flags to kvm_unmap_hva_range() kvm: x86: Toggling CR4.PKE does not load PDPTEs in PAE mode kvm: x86: Toggling CR4.SMAP does not load PDPTEs in PAE mode KVM: x86: fix access code passed to gva_to_gpa selftests: kvm: Use a shorter encoding to clear RAX
Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 599d73206299..33945283fe07 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -975,7 +975,7 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
{
unsigned long old_cr4 = kvm_read_cr4(vcpu);
unsigned long pdptr_bits = X86_CR4_PGE | X86_CR4_PSE | X86_CR4_PAE |
- X86_CR4_SMEP | X86_CR4_SMAP | X86_CR4_PKE;
+ X86_CR4_SMEP;
if (kvm_valid_cr4(vcpu, cr4))
return 1;
@@ -10751,9 +10751,11 @@ EXPORT_SYMBOL_GPL(kvm_spec_ctrl_test_value);
void kvm_fixup_and_inject_pf_error(struct kvm_vcpu *vcpu, gva_t gva, u16 error_code)
{
struct x86_exception fault;
+ u32 access = error_code &
+ (PFERR_WRITE_MASK | PFERR_FETCH_MASK | PFERR_USER_MASK);
if (!(error_code & PFERR_PRESENT_MASK) ||
- vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, error_code, &fault) != UNMAPPED_GVA) {
+ vcpu->arch.walk_mmu->gva_to_gpa(vcpu, gva, access, &fault) != UNMAPPED_GVA) {
/*
* If vcpu->arch.walk_mmu->gva_to_gpa succeeded, the page
* tables probably do not match the TLB. Just proceed