On Tue, Jan 22, 2008 at 09:57:57AM -0700, M. Warner Losh wrote:
> In message: <[EMAIL PROTECTED]>
>             Ruslan Ermilov <[EMAIL PROTECTED]> writes:
> : Hi,
> : 
> : On Mon, Jan 21, 2008 at 03:14:17PM -0700, M. Warner Losh wrote:
> : > In message: <[EMAIL PROTECTED]>
> : >             "David E. O'Brien" <[EMAIL PROTECTED]> writes:
> : > :   Remove 5.x and 6.x cruft - source upgrades to RELENG_8 from versions 
> prior
> : > :   to RELENG_7 are not supported.
> : > 
> : > I've just committed an updating entry for this change.  The commit
> : > message has a typo in it.  It should read "versions prior to RELENG_6"
> : > rather than RELENG_7.
> : 
> : Both messages are bad, because RELENG_[67] are floating targets.
> 
> They are imprecise.  But are a good mnemonic for how to remember
> what's supported.
> 
OK, agreed.

> : > This means we support people back just under 3
> : > years (May 2005: 2 years 8 months) rather than the little over 3 years
> : > we did before (Oct 2004 3 years 3 months).  FreeBSD_vesrion 600029 and
> : > newer will work.  So this delta pushes back things forward only about
> : > 8 months.
> : 
> : I only wonder how was the value of 600029 choosen?
> 
> It was two revisions before the branch point for RELENG_6, which
> happened at 600031.

I think you're twice off-by-one here,

: $ cvs -R ann -rRELENG_6_BP param.h | grep '#define.*__FreeBSD_version'
: 
: Annotations for param.h
: ***************
: 1.244        (sam      11-Jul-05): #define __FreeBSD_version 600032     /* 
Master, propagated to newvers */

but it still doesn't answer my question.  Why you've choosen
this __FreeBSD_version and not RELENG_6_BP (i.e., 600032).
I don't mind it, just want to understand the formulae.  :-)

> It also is one greater than the largest if that
> was removed.

Can you elaborate on what you mean here?  I don't understand.
Thanks.


Cheers,
-- 
Ruslan Ermilov
[EMAIL PROTECTED]
FreeBSD committer
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