Re: CVS commit: src/sys/arch/x86/x86

[SAITOH Masanobu <msaitoh%execsw.org@localhost>]

(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 :-<

-- 
-----------------------------------------------
                SAITOH Masanobu (msaitoh%execsw.org@localhost
                                 msaitoh%netbsd.org@localhost)

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