Re: [PATCH] perf, x86: Disable perf if the BIOS got its grubby pawson the PMU

[Arjan van de Ven]

On 9/3/2010 2:13 AM, Peter Zijlstra wrote:
> +static void print_BIOS_fail(void)
> +{
> +	printk(KERN_ERR "\n");
> +	printk(KERN_ERR "=============================================\n");
> +	printk(KERN_ERR "It appears the BIOS is actively using the PMU\n");
> +	printk(KERN_ERR "this avoids Linux from using it, please de-  \n");
> +	printk(KERN_ERR "activate this BIOS feature or request a BIOS \n");
> +	printk(KERN_ERR "update from your vendor.                     \n");
> +	printk(KERN_ERR "=============================================\n");
> +
> +	memset(&x86_pmu, 0, sizeof(x86_pmu));
> +}
> +
>    


tell us how you really feel :-)

do you want to add a phone number of the support line of the vendor 
(based on DMI data of course) ?

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