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Re: [Qemu-devel] RFC: This project needs a stable branch

From: Julian Seward
Subject: Re: [Qemu-devel] RFC: This project needs a stable branch
Date: Thu, 15 Mar 2007 14:11:53 +0000
User-agent: KMail/1.9.5

On Thursday 15 March 2007 13:48, Anthony Liguori wrote:
> I'm not necessarily sure I agree that a stable branch is the best thing
> to have (verses aiming for never introducing regressions).

Aiming for no regressions is a worthy aim, but I believe unachieveable
in a project of any size.  For sure it's impossible if there is ever a
need to make large-scale infrastructural changes, which inevitably is
occasionally the case if the project is to live a long time.

For example, if the dyngen/gcc-based backend is replaced by a
self-contained handwritten one, I would be amazed if there were not
a few obscure regressions whilst the new backend is brought up to the 
same level of stability as the current one.  At least, that is what
I know from my own code generator hacking.


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