On Thu, Oct 25, 2012 at 05:28:00PM +0800, Ivan Hu wrote:
> Intel IA32 program guild doesn't mention that this MSR should be set by
> BIOS, instead, it mentions "Software can use whatever criteria it sees
> fit to program the MSR with the appropriate value.". Discuss with IBV,
> they'd like to keep this MSR as default, and let OS to change value if
> desired.
> This message should be more proper set as an info than a warning.
What is the difference? It'll appear in default dmesg loglevel settings
anyway.
> Signed-off-by: Ivan Hu <ivan...@canonical.com>
> ---
> arch/x86/kernel/cpu/intel.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
> index 198e019..2bdc6bf 100644
> --- a/arch/x86/kernel/cpu/intel.c
> +++ b/arch/x86/kernel/cpu/intel.c
> @@ -466,7 +466,7 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
>
> rdmsrl(MSR_IA32_ENERGY_PERF_BIAS, epb);
> if ((epb & 0xF) == ENERGY_PERF_BIAS_PERFORMANCE) {
> - printk_once(KERN_WARNING "ENERGY_PERF_BIAS:"
> + printk_once(KERN_INFO "ENERGY_PERF_BIAS:"
While you're at it, you can do pr_info_once to shorten this line a bit.
> " Set to 'normal', was 'performance'\n"
> "ENERGY_PERF_BIAS: View and update with"
> " x86_energy_perf_policy(8)\n");
> --
> 1.7.10.4
--
Regards/Gruss,
Boris.
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