diff options
| author | Binbin Wu <binbin.wu@linux.intel.com> | 2023-04-04 06:25:02 +0300 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2023-04-05 21:52:19 +0300 |
| commit | 548bd27428b924cb725ab7c1418c0203e61f9ed7 (patch) | |
| tree | e31954deb6d2fc1a8625c876afc061b8ff68603f /arch/x86/kvm/vmx | |
| parent | f6cde92083dec5cf424504d7029acdffbe5beed8 (diff) | |
| download | linux-548bd27428b924cb725ab7c1418c0203e61f9ed7.tar.xz | |
KVM: VMX: Use is_64_bit_mode() to check 64-bit mode in SGX handler
sgx_get_encls_gva() uses is_long_mode() to check 64-bit mode, however,
SGX system leaf instructions are valid in compatibility mode, should
use is_64_bit_mode() instead.
Fixes: 70210c044b4e ("KVM: VMX: Add SGX ENCLS[ECREATE] handler to enforce CPUID restrictions")
Signed-off-by: Binbin Wu <binbin.wu@linux.intel.com>
Reviewed-by: Kai Huang <kai.huang@intel.com>
Link: https://lore.kernel.org/r/20230404032502.27798-1-binbin.wu@linux.intel.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/x86/kvm/vmx')
| -rw-r--r-- | arch/x86/kvm/vmx/sgx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx/sgx.c b/arch/x86/kvm/vmx/sgx.c index aa53c98034bf..0574030b071f 100644 --- a/arch/x86/kvm/vmx/sgx.c +++ b/arch/x86/kvm/vmx/sgx.c @@ -29,14 +29,14 @@ static int sgx_get_encls_gva(struct kvm_vcpu *vcpu, unsigned long offset, /* Skip vmcs.GUEST_DS retrieval for 64-bit mode to avoid VMREADs. */ *gva = offset; - if (!is_long_mode(vcpu)) { + if (!is_64_bit_mode(vcpu)) { vmx_get_segment(vcpu, &s, VCPU_SREG_DS); *gva += s.base; } if (!IS_ALIGNED(*gva, alignment)) { fault = true; - } else if (likely(is_long_mode(vcpu))) { + } else if (likely(is_64_bit_mode(vcpu))) { fault = is_noncanonical_address(*gva, vcpu); } else { *gva &= 0xffffffff; |