Re: [PATCH 1/7] target/i386: disable PerfMonV2 when PERFCORE unavailable

[Zhao Liu <zhao1.liu@intel.com>]

> Thank you very much for the suggestion.
> 
> Yes, this works. The PERFCORE is a prerequisite of PERFMON_V2 (according to
> Linux kernel source code).
> 
> 1403 static int __init amd_core_pmu_init(void)
> 1404 {
> 1405         union cpuid_0x80000022_ebx ebx;
> 1406         u64 even_ctr_mask = 0ULL;
> 1407         int i;
> 1408
> 1409         if (!boot_cpu_has(X86_FEATURE_PERFCTR_CORE))
> 1410                 return 0;
> 
> 
> If you don't mind, I will send the v2 with your Suggested-by.
> 
> Thank you very much!

Sure, welcome! :)

-Zhao

> Dongli Zhang