From: Paolo Bonzini Date: Mon, 20 Jan 2014 13:22:25 +0000 (+0100) Subject: kvm: always update the MPX model specific register X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=439d19f2922ac409ee224bc1e5522cee7009d829;p=qemu.git 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 Signed-off-by: Paolo Bonzini --- diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 221c8a036e..d34981fd63 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -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. */