Date: Wed, 28 May 2008 14:50:22 -0400 (EDT) From: Daniel Eischen <deischen@freebsd.org> To: David Schultz <das@freebsd.org> Cc: Maxim Sobolev <sobomax@freebsd.org>, src-committers@freebsd.org, d@delphij.net, cvs-src@freebsd.org, cvs-all@freebsd.org, Xin LI <delphij@freebsd.org>, re@freebsd.org Subject: Re: cvs commit: src/include string.h src/lib/libc/string Makefile.inc memchr.3 memrchr.c src/sys/sys param.h Message-ID: <Pine.GSO.4.64.0805281445030.8149@sea.ntplx.net> In-Reply-To: <20080528184143.GA7624@zim.MIT.EDU> References: <200805272004.m4RK4SZt029194@repoman.freebsd.org> <483C7FF2.6000607@FreeBSD.org> <483C977F.20105@delphij.net> <20080528060333.GA4699@zim.MIT.EDU> <Pine.GSO.4.64.0805281049150.7240@sea.ntplx.net> <20080528184143.GA7624@zim.MIT.EDU>
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On Wed, 28 May 2008, David Schultz wrote: > On Wed, May 28, 2008, Daniel Eischen wrote: >> No, all new symbols in 8-current go into FBSD_1.1, not 1.2. The >> only time we go to 1.2 is when 8.x branches to 9.0. If for some >> reason memrchr() were to change its ABI, then we would go to 1.1.1 >> in -current for the ABI change and any subsequent new symbols, and >> the MFC to 7.x would also be 1.1.1. >> >> It is ok for a FBSD_1.1 in -current to be a superset of FBSD_1.1 >> in a previous branch. In fact you can't prevent them from being >> different unless you mandate that all new symbols get MFC'd to >> their respective namespaces in previous branches. > > Perhaps I misinterpreted what you said about this last year, but I > thought you said you didn't want symbols added to existing > namespaces in -STABLE. In 7.X, why would it be okay to add new > symbols to FBSD_1.1 between releases but not to FBSD_1.0? I think you're just off by a version. -stable didn't have FBSD_1.1, so we just _did_ add memrchr() to a _new_ namespace in -stable. All new and changed symbols in 8-current go in FBSD_1.1, never in FBSD_1.0. So they can be MFC'd in the same namespace that -current as using. After we branched 7.0 from -current, the FBSD_1.0 namespace was frozen. This will happen everytime we branch from -current. -- DE
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