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Date:      Fri, 15 Sep 2000 16:23:04 -0700 (PDT)
From:      Matthew Jacob <mjacob@feral.com>
To:        Jason Evans <jasone@canonware.com>
Cc:        alpha@freebsd.org
Subject:   Re: PRE_SMPNG question....
Message-ID:  <Pine.BSF.4.21.0009151621530.75597-100000@beppo.feral.com>
In-Reply-To: <20000915115239.E7247@blitz.canonware.com>

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If it's ok with the CVS meisters, I'd like the tag shifted one for
sys/alpha/pci/cia.c then- the tree wasn't quite stable at the point it was
tagged. There should be other required changes.



On 15 Sep 2000, Jason Evans wrote:

> On Thu, Sep 14, 2000 at 07:17:54PM -0700, Matthew Jacob wrote:
> > 
> > If I want to make sure that PC164's boot and run in the source tree
> > that was tagged PRE_SMPNG, is it acceptable to MFC, as it were, the fix?
> > 
> > I've had to, hah hah (coz I wasn't as careful as I should) spend most of the
> > day reinstalling 4.1 so I could get back to having some stable disks I can
> > actually boot from prior to moving ahead back into -current for alpha. It
> > strikes me that having the PRE_SMPNG stuff be stable would be good.
> > 
> > But I'll admit that I'm a bit hazy as to how branches work vs. tags.
> 
> PRE_SMPNG is a static tag.  That means that the only way to modify the
> PRE_SMPNG version of a file is to move the tag to a different version of a
> file.  So, unless the file hasn't changed since the PRE_SMPNG tag was
> created, moving the tag will prove very difficult.  Indeed, the purpose of
> the PRE_SMPNG tag was not to provide a branch point; it was merely meant to
> mark the last moment before the SMP code destabilized the tree.
> 
> Jason
> 



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