On Thu, 18 Aug 2005 20:23:00 -0700, Andrew Morton wrote:
>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]>
The patch is OK, but it doesn't fix a bug or regression.
Since Linus' kernel seems to be in bug-fix-only mode, it
shouldn't go in there until after 2.6.13.
Acked-by: Mikael Pettersson <[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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