svn commit: r204309 - in head/sys: amd64/amd64 amd64/isa conf i386/bios i386/cpufreq i386/i386 i386/isa i386/xen isa modules/bios/smbios modules/bios/vpd modules/cpufreq pc98/pc98 x86 x86/bios x86/...

[Xin LI]

On Thu, Feb 25, 2010 at 3:48 PM, Attilio Rao <attilio at freebsd.org> wrote:
> 2010/2/26 M. Warner Losh <imp at bsdimp.com>:
>> In message: <201002251413.o1PEDdKV033584 at svn.freebsd.org>
>>            Attilio Rao <attilio at FreeBSD.org> writes:
>> : Author: attilio
>> : Date: Thu Feb 25 14:13:39 2010
>> : New Revision: 204309
>> : URL: http://svn.freebsd.org/changeset/base/204309
>> :
>> : Log:
>> :   Introduce the new kernel sub-tree x86 which should contain all the code
>> :   shared and generalized between our current amd64, i386 and pc98.
>> :
>> :   This is just an initial step that should lead to a more complete effort.
>> :   For the moment, a very simple porting of cpufreq modules, BIOS calls and
>> :   the whole MD specific ISA bus part is added to the sub-tree but ideally
>> :   a lot of code might be added and more shared support should grow.
>>
>> Cool!
>>
>> :   Sponsored by:       Sandvine Incorporated
>> :   Reviewed by:        emaste, kib, jhb, imp
>> :   Discussed on:       arch
>> :   MFC:                3 weeks
>>
>> Is this really wise?  Are these changes KPI neutral?
>
> I don't think there are (still) KPI changes.
> Which one are you referring to?

I think Warner means that there will be some header files to change
their location, making certain (I doubt there is any but just in case)
kernel modules maintained by third party to break (technically these
are not part of KPI but something that _could_ make third party
developers unhappy I guess).

Cheers,
-- 
Xin LI <delphij at delphij.net> http://www.delphij.net