Quoting Robert Watson <[EMAIL PROTECTED]> (from Thu, 29 May 2008
16:29:34 +0100 (BST)):
On Thu, 29 May 2008, Daniel Eischen wrote:
So, this is neither a vote for nor against a backout, but this is
a general call to resist the conservative tendancy that says
"don't MFC minor things" because, in macro, it has a significant
drag effect on the MFC process that keeps RELENG branches
maintainable.
Ok, but consider the prior email with kan about MFC's after an 8.0
release. Since you must be able to run 7.x binaries on 8.0, then
you can't MFC any symbol changes from 8.0+ back to 7.x. The
symbols are basically frozen in 7.x after 8.0 is released.
Sounds like a bug. :-)
We have the possibility of this behavior even in older releases.
Imagine a 8.0 release and a 8.1 release before a 7.4 release. And let
8.1 have a symbol which is not available in 8.0 (MF9). Now let's MFC
this symbol to 7-stable before 7.4. Boom, you can not run a 7.4 binary
which uses this symbol on 8.0.
More or less it comes down to be careful about things to MFC (don't
MFC symbols to the second last branch).
Bye,
Alexander.
--
I used to think I was indecisive, but now I'm not so sure.
http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7
http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137
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