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SubjectRe: [PATCH] perf, x86: Disable perf if the BIOS got its grubby paws on the PMU
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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