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List:       fedora-devel-list
Subject:    Re: Fedora 32 System-Wide Change proposal: x86-64 micro-architecture update
From:       Kevin Kofler <kevin.kofler () chello ! at>
Date:       2019-07-23 22:26:00
Message-ID: qh81hp$6l0u$1 () blaine ! gmane ! org
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Peter Robinson wrote:
> The problem with that is getting someone to do the work. The whole
> reason that the i686 kernel was retired was due to people not stepping
> up to do the maintenance of the kernel, and the kernel alone. Having
> been one of the few people in the community that's been involved in
> and lead arch bring ups and maintained architectures in the bad old
> days of secondary koji instances and continue to lead the ARMv7 and
> aarch64 architectures I can tell you it's not an insignificant amount
> of work, both the initial boot strap and ongoing maintenance. I've
> been involved in the alternate architecture projects in Fedora for ~
> 9.5 years and it's a LOT of work and it's not a do it once and it's
> done, it's constant and ongoing.

Well, to be fair, the initial bootstrapping wouldn't be that big an issue 
because the bootstrap for x86_64+AVX2 would just be a copy of the normal 
x86_64, which would then be gradually replaced by mass rebuilds.

The bigger issue is the resource overhead, and especially the scarce 
resource that is time humans have to spend for debugging.

        Kevin Kofler
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