Commit 439d19f2 authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

kvm: always update the MPX model specific register 



The original patch from Liu Jinsong restricted them to reset or full
state updates, but that's unnecessary (and wrong) since the BNDCFGS
MSR has no side effects.

Cc: Liu Jinsong <jinsong.liu@intel.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 584f2be7

target-i386/kvm.c

+3 −3
Original line number Diff line number Diff line
@@ -1161,6 +1161,9 @@ static int kvm_put_msrs(X86CPU *cpu, int level) 
        kvm_msr_entry_set(&msrs[n++], MSR_IA32_MISC_ENABLE,

                          env->msr_ia32_misc_enable);

    }

    if (has_msr_bndcfgs) {

        kvm_msr_entry_set(&msrs[n++], MSR_IA32_BNDCFGS, env->msr_bndcfgs);

    }

#ifdef TARGET_X86_64

    if (lm_capable_kernel) {

        kvm_msr_entry_set(&msrs[n++], MSR_CSTAR, env->cstar);
@@ -1224,9 +1227,6 @@ static int kvm_put_msrs(X86CPU *cpu, int level) 
        if (cpu->hyperv_vapic) {

            kvm_msr_entry_set(&msrs[n++], HV_X64_MSR_APIC_ASSIST_PAGE, 0);

        }

        if (has_msr_bndcfgs) {

            kvm_msr_entry_set(&msrs[n++], MSR_IA32_BNDCFGS, env->msr_bndcfgs);

        }



        /* Note: MSR_IA32_FEATURE_CONTROL is written separately, see

         *       kvm_put_msr_feature_control. */