Re: [PATCH 3/3] x86, AMD: Disable wrongly set X86_FEATURE_LAHF_LM CPUID bit

H. Peter Anvin
2009-08-31T18:04:20Z

On 08/31/2009 01:14 AM, Borislav Petkov wrote:
> On Sun, Aug 30, 2009 at 01:48:49PM -0700, H. Peter Anvin wrote:
>> The 2x32 bit interface is the legacy interface. It turned out to be a
>> bad idea, but it's hard to clean up all the users.
>
> By the way, do we want to switch all rd/wrmsr users to the rd/wrmsrl et
> al interfaces? I could do that gradually - there are only about 400+
> callsites :)
>

Probably, but I don't consider it a high-priority project. To me it's
more of a "clean it up as you go" kind of thing.

-hpa