Il 04/06/2013 18:02, Bandan Das ha scritto:
> +static u64 kvm_get_platform_info(struct kvm_vcpu *vcpu)
> +{
> + u8 cpumodel;
> + u32 bclk;
> +
> + /*
> + * Programmable Ratio Limit for Turbo Mode (bit 28): 0
> + * Programmable TDC-TDP Limit for Turbo Mode (bit 29): 0
> + */
> + u64 platform_info = 0, max_nonturbo_ratio = 0, max_effi_ratio = 0;
> +
> + cpumodel = kvm_cpuid_get_intel_model(vcpu);
> +
> + switch (cpumodel) {
> + case MODEL_NEHALEM_CLARKSFIELD:
> + case MODEL_NEHALEM_BLOOMFIELD:
> + case MODEL_NEHALEM_EX:
> + case MODEL_WESTMERE_ARRANDALE:
> + case MODEL_WESTMERE_GULFTOWN:
> + case MODEL_WESTMERE_EX:
> + bclk = BCLK_133_DEFAULT;
Just one change: please rename this to base_clock_khz and remove the
BCLK_*_DEFAULT constants please.
Paolo
> + break;
> + case MODEL_SANDYBRIDGE_SANDY:
> + case MODEL_SANDYBRIDGE_E:
> + case MODEL_IVYBRIDGE_IVY:
> + case MODEL_HASWELL_HASWELL:
> + bclk = BCLK_100_DEFAULT;
> + break;
> + default:
> + bclk = 0;
> + break;
> + }
> +
> + if (bclk) {
> + max_nonturbo_ratio = max_effi_ratio
> + = (u8)(vcpu->arch.virtual_tsc_khz / bclk);
> + platform_info = (max_effi_ratio << 40)
> + | (max_nonturbo_ratio << 8);
> + }
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