Re: [RESEND v13 03/11] KVM: VMX: Set guest CET MSRs per KVM and host configuration

On Thu, Jul 16, 2020 at 11:16:19AM +0800, Yang Weijiang wrote: > CET MSRs pass through guest directly to enhance performance. CET runtime > control settings are stored in MSR_IA32_{U,S}_CET, Shadow Stack Pointer(SSP) > are stored in MSR_IA32_PL{0,1,2,3}_SSP, SSP table base address is stored in >

[RESEND v13 03/11] KVM: VMX: Set guest CET MSRs per KVM and host configuration

CET MSRs pass through guest directly to enhance performance. CET runtime control settings are stored in MSR_IA32_{U,S}_CET, Shadow Stack Pointer(SSP) are stored in MSR_IA32_PL{0,1,2,3}_SSP, SSP table base address is stored in MSR_IA32_INT_SSP_TAB, these MSRs are defined in kernel and re-used here.