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Groups > linux.kernel > #1447511
| From | Bandan Das <bsd@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 1/4] nvmx: use warn_on for buggy cases when emulating invept/invvpid |
| Date | 2016-07-21 00:30 +0200 |
| Message-ID | <rX8a6-7mz-7@gated-at.bofh.it> (permalink) |
| References | <rX8a6-7mz-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
If L1 hypervisor decides to try out something weird, alert the host but only less aggressively. Also, remove the comment regarding nested vpid support since it is no longer valid. Signed-off-by: Bandan Das <bsd@redhat.com> --- arch/x86/kvm/vmx.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 64a79f2..9fd0681 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2854,7 +2854,6 @@ static int vmx_get_vmx_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata) vmx->nested.nested_vmx_secondary_ctls_high); break; case MSR_IA32_VMX_EPT_VPID_CAP: - /* Currently, no nested vpid support */ *pdata = vmx->nested.nested_vmx_ept_caps | ((u64)vmx->nested.nested_vmx_vpid_caps << 32); break; @@ -7462,7 +7461,7 @@ static int handle_invept(struct kvm_vcpu *vcpu) break; default: /* Trap single context invalidation invept calls */ - BUG_ON(1); + WARN_ON(1); break; } @@ -7525,7 +7524,7 @@ static int handle_invvpid(struct kvm_vcpu *vcpu) break; default: /* Trap individual address invalidation invvpid calls */ - BUG_ON(1); + WARN_ON(1); break; } -- 2.5.5
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[PATCH 1/4] nvmx: use warn_on for buggy cases when emulating invept/invvpid Bandan Das <bsd@redhat.com> - 2016-07-21 00:30 +0200
Re: [PATCH 1/4] nvmx: use warn_on for buggy cases when emulating invept/invvpid Paolo Bonzini <pbonzini@redhat.com> - 2016-07-21 11:20 +0200
Re: [PATCH 1/4] nvmx: use warn_on for buggy cases when emulating invept/invvpid Bandan Das <bsd@redhat.com> - 2016-07-21 21:20 +0200
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