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Groups > linux.kernel > #1738960
| From | Paolo Bonzini <pbonzini@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v1 2/4] KVM/vmx: auto switch MSR_IA32_DEBUGCTLMSR |
| Date | 2017-09-25 14:00 +0200 |
| Message-ID | <utAdj-5RX-11@gated-at.bofh.it> (permalink) |
| References | <uttER-1un-3@gated-at.bofh.it> <uttES-1un-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 25/09/2017 06:44, Wei Wang wrote: > Passthrough the MSR_IA32_DEBUGCTLMSR to the guest, and take advantage of > the hardware VT-x feature to auto switch the msr upon VMExit and VMEntry. I think most bits in the MSR should not be passed through (for example FREEZE_WHILE_SMM_EN, FREEZE_LBRS_ON_PMI etc.). Using auto-switch of course is fine instead. Paolo
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[PATCH v1 0/4] Enable LBR for the guest Wei Wang <wei.w.wang@intel.com> - 2017-09-25 07:00 +0200
[PATCH v1 2/4] KVM/vmx: auto switch MSR_IA32_DEBUGCTLMSR Wei Wang <wei.w.wang@intel.com> - 2017-09-25 07:00 +0200
Re: [PATCH v1 2/4] KVM/vmx: auto switch MSR_IA32_DEBUGCTLMSR Paolo Bonzini <pbonzini@redhat.com> - 2017-09-25 14:00 +0200
Re: [PATCH v1 0/4] Enable LBR for the guest Andi Kleen <ak@linux.intel.com> - 2017-09-25 17:00 +0200
Re: [PATCH v1 0/4] Enable LBR for the guest Wei Wang <wei.w.wang@intel.com> - 2017-09-26 10:50 +0200
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