On Fri, Jun 03, 2016 at 02:09:43PM +0800, Haozhong Zhang wrote:
[...]
> +
> + if (cpu->enable_lmce) {
> + if (lmce_supported()) {
> + cenv->mcg_cap |= MCG_LMCE_P;
> + cenv->msr_ia32_feature_control |=
> + MSR_IA32_FEATURE_CONTROL_LMCE |
> + MSR_IA32_FEATURE_CONTROL_LOCKED;
> + } else {
> + error_report("Warning: KVM unavailable or not support LMCE, "
> + "LMCE disabled");
> + cpu->enable_lmce = false;
Please don't do that. If the user explicitly asked for LMCE, you
should refuse to start if the host doesn't have the required
capabilities.
> + }
> + }
> +
> cenv->mcg_ctl = ~(uint64_t)0;
> for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
> cenv->mce_banks[bank * 4] = ~(uint64_t)0;
[...]
--
Eduardo
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