linux-kernel - Re: [PATCH] x86: Remove 4095 enabling x2apic messages

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Date:	Sat, 12 Dec 2009 01:27:04 +0300
From:	Cyrill Gorcunov <gorcunov@...nvz.org>
To:	Mike Travis <travis@....com>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>, x86@...nel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Jack Steiner <steiner@....com>
Subject: Re: [PATCH] x86: Remove 4095 enabling x2apic messages

On Fri, Dec 11, 2009 at 08:08:50AM -0800, Mike Travis wrote:
> x86: Remove 4095 enabling x2apic messages
>
> Print only once that the system is supporting x2apic mode.
>
> Signed-off-by: Mike Travis <travis@....com>
> ---
> arch/x86/kernel/apic/apic.c |    2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- linux.orig/arch/x86/kernel/apic/apic.c
> +++ linux/arch/x86/kernel/apic/apic.c
> @@ -1358,7 +1358,7 @@
>
> 	rdmsr(MSR_IA32_APICBASE, msr, msr2);
> 	if (!(msr & X2APIC_ENABLE)) {
> -		pr_info("Enabling x2apic\n");
> +		printk_once(KERN_INFO "Enabling x2apic\n");
> 		wrmsr(MSR_IA32_APICBASE, msr | X2APIC_ENABLE, 0);
> 	}
> }
>

FWIW, looks good to me,
Acked-by: Cyrill Gorcunov <gorcunov@...nvz.org>

thanks!

	-- Cyrill
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