Re: [PATCH 3/3] x86, perf, uncore: Don't make MSR uncore depend on PCI uncore

[Thomas Gleixner]

On Sun, 14 Jun 2015, Andi Kleen wrote:
> @@ -1287,27 +1289,17 @@ static void __init uncore_cpumask_init(void)
>  
>  static int __init intel_uncore_init(void)
>  {
> -	int ret;
> -
>  	if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
>  		return -ENODEV;
>  
>  	if (cpu_has_hypervisor)
>  		return -ENODEV;
>  
> -	ret = uncore_pci_init();
> -	if (ret)
> -		goto fail;
> -	ret = uncore_cpu_init();
> -	if (ret) {
> -		uncore_pci_exit();
> -		goto fail;
> -	}
> +	uncore_pci_init();
> +	uncore_cpu_init();
>  	uncore_cpumask_init();

So, even if the cpu does not support that, we install a completely
useless cpu notifier and invoke equally pointless init code on all
cores.

Sigh,


	tglx
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