Date: Wed, 30 Jul 2008 11:34:42 +0200 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: "David Southwell" <david@vizion2000.net>, freebsd-stable@freebsd.org Cc: Ken Smith <kensmith@cse.buffalo.edu>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: Upcoming ABI Breakage in RELENG_7 Message-ID: <op.ue3l74qv8527sy@82-170-177-25.ip.telfort.nl> In-Reply-To: <200807300247.34948.david@vizion2000.net> References: <1217346345.12322.31.camel@bauer.cse.buffalo.edu> <200807300247.34948.david@vizion2000.net>
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On Wed, 30 Jul 2008 11:47:34 +0200, David Southwell <david@vizion2000.net> wrote: > On Tuesday 29 July 2008 08:45:45 Ken Smith wrote: >> Normally the FreeBSD Project tries very hard to avoid ABI breakage in >> "Stable Branches". However occasionally the fix for a bug can not be >> implemented without ABI breakage, and it is decided that the fix >> warrants the impact of the ABI breakage. We have one of those >> situations coming along for RELENG_7 (what will become FreeBSD 7.1). >> The ABI breakage should only impact kernel modules that are not part of >> the baseline system (those will be patched by the MFC) which deal with >> advisory locks. As such the impact should not cause many people >> problems. >> >> The work that will be MFCed fixes issues with filesystem advisory locks, >> and moves the advisory locks list from filesystem-private data >> structures into the vnode structure. >> >> The MFC will be done by Kostantin Belousov some time this coming Friday >> (August 1st, 2008) if you have concerns and want to watch for it. >> >> Thanks. > Sometimes information gets posted to this list on the assumption that > everyone > understand what the writer means. > > This is one of those occasions!! > > For those of us who are not as well informed and experienced as others > could > someone please explain what is meant by an ABI breakage, its > implications > and how to deal with them. > > Thanks > > David Googling for ABI gives me this: http://en.wikipedia.org/wiki/Application_binary_interface That is part of what you want to know. Ronald.
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