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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-12 10:39:43 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-12 10:39:43 -0800 |
| commit | 473348891c36ff6de3e224fefa0b3fc86a629178 (patch) | |
| tree | 21213ba19a0c010076da939c8d20d0a652c24c81 /arch | |
| parent | 7b5c8f5226bd0eb77da8a055f43b2f1a06e92ba8 (diff) | |
| parent | 826c1362e79abcd36f99092acd083b5a2d576676 (diff) | |
| download | linux-473348891c36ff6de3e224fefa0b3fc86a629178.tar.bz2 | |
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Radim Krčmář:
"Minor fixes for new code, corner cases, and documentation"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
x86/kvm/nVMX: don't skip emulated instruction twice when vmptr address is not backed
Documentation/virtual/kvm: Update URL for AMD SEV API specification
KVM/VMX: Avoid return error when flush tlb successfully in the hv_remote_flush_tlb_with_range()
kvm: sev: Fail KVM_SEV_INIT if already initialized
KVM: validate userspace input in kvm_clear_dirty_log_protect()
KVM: x86: Fix bit shifting in update_intel_pt_cfg
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/svm.c | 3 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/nested.c | 3 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 4 |
3 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 307e5bddb6d9..a157ca5b6869 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -6278,6 +6278,9 @@ static int sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp) int asid, ret; ret = -EBUSY; + if (unlikely(sev->active)) + return ret; + asid = sev_asid_new(); if (asid < 0) return ret; diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 3170e291215d..2616bd2c7f2c 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -4540,9 +4540,8 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu) * given physical address won't match the required * VMCS12_REVISION identifier. */ - nested_vmx_failValid(vcpu, + return nested_vmx_failValid(vcpu, VMXERR_VMPTRLD_INCORRECT_VMCS_REVISION_ID); - return kvm_skip_emulated_instruction(vcpu); } new_vmcs12 = kmap(page); if (new_vmcs12->hdr.revision_id != VMCS12_REVISION || diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 4d39f731bc33..f6915f10e584 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -453,7 +453,7 @@ static int hv_remote_flush_tlb_with_range(struct kvm *kvm, struct kvm_tlb_range *range) { struct kvm_vcpu *vcpu; - int ret = -ENOTSUPP, i; + int ret = 0, i; spin_lock(&to_kvm_vmx(kvm)->ept_pointer_lock); @@ -7044,7 +7044,7 @@ static void update_intel_pt_cfg(struct kvm_vcpu *vcpu) /* unmask address range configure area */ for (i = 0; i < vmx->pt_desc.addr_range; i++) - vmx->pt_desc.ctl_bitmask &= ~(0xf << (32 + i * 4)); + vmx->pt_desc.ctl_bitmask &= ~(0xfULL << (32 + i * 4)); } static void vmx_cpuid_update(struct kvm_vcpu *vcpu) |