(2013/12/08 19:21), Jukka Ruohonen wrote:
> On Sun, Dec 08, 2013 at 04:07:38AM +0000, SAITOH Masanobu wrote:
>> Module Name: src
>> Committed By: msaitoh
>> Date: Sun Dec 8 04:07:38 UTC 2013
>>
>> Modified Files:
>> src/sys/arch/x86/x86: tsc.c
>>
>> Log Message:
>> Update invariant TSC detect code from both Intel and AMD documents.
>> The best way to check whether the TSC counter is invariant or not is to check
>> CPUID 80000007.
>
> It might be worth to refactor this as a function, given that the code is
> replicated in arch/x86/acpi/acpi_cpu_md.c.
>
> - Jukkal.
Yes, the code can be shared. I'm new to x86 and I'm not familiar
with acpi, so please do it if you can :)
For last few months, I have been reading documents and code around
CPUID and MSR registers. While reading the code, I knew I had to check
ACPI stuff, but I've not done it yet :-<
--
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SAITOH Masanobu (msai...@execsw.org
msai...@netbsd.org)
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