Steven Rostedt <[email protected]> wrote:
>
> Hi,
>
> I'm resending this since I don't see it in git yet, and I'm wondering if
> there is a problem with this patch. I have a IBM ThinkPad G41 with a
> Mobile Pentium 4 HT. Without this patch, the NMI won't be setup. Is
> there a reason that if the x86_model is greater than 0x3 it will return.
> Since my processor has a 0x4 x86_model, I upped it to that. Otherwise my
> laptop won't be able to use the NMI.
>
Well I was hoping that someone with knowledge of the low-level Intel model
differences would pipe up, but they all seem to be in hiding. (Wildly
bcc's lots of x86 people).
>
> Description:
> This patch is to allow the Mobile Penitum 4 HT to use the NMI.
>
> Signed-off-by: Steven Rostedt <[email protected]>
>
> --- linux-2.6.13-rc6-git10/arch/i386/kernel/nmi.c.orig 2005-08-18 21:51:11.000000000 -0400
> +++ linux-2.6.13-rc6-git10/arch/i386/kernel/nmi.c 2005-08-18 21:52:03.000000000 -0400
> @@ -195,7 +195,7 @@ static void disable_lapic_nmi_watchdog(v
> wrmsr(MSR_P6_EVNTSEL0, 0, 0);
> break;
> case 15:
> - if (boot_cpu_data.x86_model > 0x3)
> + if (boot_cpu_data.x86_model > 0x4)
> break;
>
> wrmsr(MSR_P4_IQ_CCCR0, 0, 0);
> @@ -432,7 +432,7 @@ void setup_apic_nmi_watchdog (void)
> setup_p6_watchdog();
> break;
> case 15:
> - if (boot_cpu_data.x86_model > 0x3)
> + if (boot_cpu_data.x86_model > 0x4)
> return;
>
> if (!setup_p4_watchdog())
-
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