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SubjectRe: [PATCH] [8/12] x86_64: Use global flag to disable broken local apic timer on AMD CPUs.
On Thu, 9 Aug 2007, Andi Kleen wrote:

> Index: linux/arch/i386/kernel/apic.c
> ===================================================================
> --- linux.orig/arch/i386/kernel/apic.c
> +++ linux/arch/i386/kernel/apic.c
> @@ -61,8 +61,9 @@ static int enable_local_apic __initdata
>
> /* Local APIC timer verification ok */
> static int local_apic_timer_verify_ok;
> -/* Disable local APIC timer from the kernel commandline or via dmi quirk */
> -static int local_apic_timer_disabled;
> +/* Disable local APIC timer from the kernel commandline or via dmi quirk
> + or using CPU MSR check */
> +int local_apic_timer_disabled;
> /* Local APIC timer works in C2 */
> int local_apic_timer_c2_ok;
> EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
> @@ -370,9 +371,6 @@ void __init setup_boot_APIC_clock(void)
> long delta, deltapm;
> int pm_referenced = 0;
>
> - if (boot_cpu_has(X86_FEATURE_LAPIC_TIMER_BROKEN))
> - local_apic_timer_disabled = 1;
> -
> /*
> * The local apic timer can be disabled via the kernel
> * commandline or from the test above. Register the lapic

Andi, just noticed that the comment above needs to be updated now.

--
Cal Peake

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