Date: Fri, 26 Feb 2010 02:32:19 +0100 From: Attilio Rao <attilio@freebsd.org> To: Xin LI <delphij@gmail.com> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, "M. Warner Losh" <imp@bsdimp.com> Subject: Re: 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/... Message-ID: <3bbf2fe11002251732t35179d9ar3c3f39aafe75d5c2@mail.gmail.com> In-Reply-To: <a78074951002251708x52435f63g8d22b371f54cd2f7@mail.gmail.com> References: <201002251413.o1PEDdKV033584@svn.freebsd.org> <20100225.163850.864172011105110621.imp@bsdimp.com> <3bbf2fe11002251548y773c661gd4946f371bcbbd6f@mail.gmail.com> <a78074951002251708x52435f63g8d22b371f54cd2f7@mail.gmail.com>
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2010/2/26 Xin LI <delphij@gmail.com>: > On Thu, Feb 25, 2010 at 3:48 PM, Attilio Rao <attilio@freebsd.org> wrote: >> 2010/2/26 M. Warner Losh <imp@bsdimp.com>: >>> In message: <201002251413.o1PEDdKV033584@svn.freebsd.org> >>> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Attilio Rao <attilio@FreeBSD.o= rg> writes: >>> : Author: attilio >>> : Date: Thu Feb 25 14:13:39 2010 >>> : New Revision: 204309 >>> : URL: http://svn.freebsd.org/changeset/base/204309 >>> : >>> : Log: >>> : =C2=A0 Introduce the new kernel sub-tree x86 which should contain all= the code >>> : =C2=A0 shared and generalized between our current amd64, i386 and pc9= 8. >>> : >>> : =C2=A0 This is just an initial step that should lead to a more comple= te effort. >>> : =C2=A0 For the moment, a very simple porting of cpufreq modules, BIOS= calls and >>> : =C2=A0 the whole MD specific ISA bus part is added to the sub-tree bu= t ideally >>> : =C2=A0 a lot of code might be added and more shared support should gr= ow. >>> >>> Cool! >>> >>> : =C2=A0 Sponsored by: =C2=A0 =C2=A0 =C2=A0 Sandvine Incorporated >>> : =C2=A0 Reviewed by: =C2=A0 =C2=A0 =C2=A0 =C2=A0emaste, kib, jhb, imp >>> : =C2=A0 Discussed on: =C2=A0 =C2=A0 =C2=A0 arch >>> : =C2=A0 MFC: =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A03 = weeks >>> >>> Is this really wise? =C2=A0Are 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). Yes but what is already compiled (thirdy-part modules included) will keep working without a glance. I think there have been already MFCed patches doing headers movements in the past. Attilio --=20 Peace can only be achieved by understanding - A. Einstein
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